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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . bitwise-v0.43/ChangeLog0000664000175100017510000000047314137727742012015 00000000000000Bitwise v0.20 ========================================== * Added calculator mode * Added support for commandline interface in interactive mode. 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All rights reserved. // // Use of this source code is governed by the BSD 2-Clause License that can be // found in the LICENSE file. #ifndef SHUNTING_YARD_STACK_H #define SHUNTING_YARD_STACK_H typedef struct Stack Stack; // Inserts an item at the top of the stack. void stack_push(Stack **stack, const void *value); // Removes an item from the top of the stack. const void *stack_pop(Stack **stack); // Returns the item at the top of the stack without removing it. const void *stack_top(const Stack *stack); #endif // SHUNTING_YARD_STACK_H bitwise-v0.43/inc/bitwise.h0000664000175100017510000000751214137727742012634 00000000000000/* Copyright 2019 * Ramon Fried #include #include #include #include #include #include "config.h" /* Readine checks */ #ifdef HAVE_LIBREADLINE # if defined(HAVE_READLINE_READLINE_H) # include # elif defined(HAVE_READLINE_H) # include # else /* !defined(HAVE_READLINE_H) */ extern char *readline(); # endif /* !defined(HAVE_READLINE_H) */ #else /* !defined(HAVE_READLINE_READLINE_H) */ /* no readline */ #endif /* HAVE_LIBREADLINE */ #ifdef HAVE_READLINE_HISTORY # if defined(HAVE_READLINE_HISTORY_H) # include # elif defined(HAVE_HISTORY_H) # include # else /* !defined(HAVE_HISTORY_H) */ extern void add_history(); extern int write_history(); extern int read_history(); # endif /* defined(HAVE_READLINE_HISTORY_H) */ /* no history */ #endif /* HAVE_READLINE_HISTORY */ #define MAX_HISTORY_LEN 100 #define FIELDS_WIN 0 #define BINARY_WIN 1 #define COMMAND_WIN 2 #define BIT(nr) (1ULL << (nr)) #define MASK(s) (~0ULL >> (64 - s)) #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) typedef enum output_type { CMD_OUTPUT_DECIMAL, CMD_OUTPUT_HEXADECIMAL, CMD_OUTPUT_OCTAL, CMD_OUTPUT_BINARY, CMD_OUTPUT_ALL, } output_type; /* Misc */ int lltostr(uint64_t val, char *buf, int base); int set_width(char width); void set_width_by_val(uint64_t val); void die(const char *fmt, ...); int parse_input(const char *input, uint64_t *val); int validate_input(int ch, int base); int sprintf_type(uint64_t val, char *buf, output_type type); void init_terminal(void); void deinit_terminal(void); /* Interactive */ extern FORM *form; int sprintf_size(uint64_t val, char *buf, bool si); int start_interactive(uint64_t start); void set_active_field(bool none); void set_fields_width(int width); void position_binary_curser(int previous_pos, int next_pos); void paint_screen(void); void unpaint_screen(void); void update_binary(); int update_fields(int index); /* Command */ void process_cmd(int ch); void init_readline(void); void deinit_readline(void); void readline_redisplay(void); /* calc */ int calc(int argc, char *argv[]); /* Help */ void show_help(void); #ifdef TRACE #define LOG(...) do { \ fprintf(fd, __VA_ARGS__); \ fflush(fd);\ } while (0) extern FILE *fd; #else #define LOG(...) do { } while (0) #endif /* Colors */ void init_colors(void); extern char *color_green; extern char *color_red; extern char *color_blue; extern char *color_magenta; extern char *color_cyan; extern char *color_white; extern char *color_reset; extern WINDOW *fields_win; extern WINDOW *binary_win; extern WINDOW *cmd_win; extern int active_win; extern int last_win; extern int bit_pos; extern int g_has_color; extern int g_width; extern int g_output; extern bool g_input_avail; extern int g_input; extern bool g_leave_req; extern uint64_t g_val; /* History */ typedef enum history_type { TYPE_INPUT_COMMAND = 0, TYPE_INPUT_EXPRESSION, TYPE_OUTPUT_RESULT, TYPE_OUTPUT_ERROR, } history_type; struct history_entry { history_type type; char *line; }; extern struct history_entry history[]; extern unsigned int history_pos; void flush_history(void); void update_history_win(void); static inline void append_to_history(const char *str, history_type type) { char *new_line; new_line = strdup(str); if (!new_line) { LOG("No memory to allocate string\n"); return; } history[history_pos % MAX_HISTORY_LEN].line = new_line; history[history_pos % MAX_HISTORY_LEN].type = type; history_pos++; update_history_win(); } static inline WINDOW *get_win(int win) { if (win == FIELDS_WIN) return fields_win; else if (win == BINARY_WIN) return binary_win; else if (win == COMMAND_WIN) return cmd_win; else return NULL; } #endif /* end of include guard: BITWISE_H */ bitwise-v0.43/inc/config.h.in0000664000175100017510000000754414137730423013033 00000000000000/* inc/config.h.in. Generated from configure.ac by autoheader. */ /* Define to 1 if you have the header file. */ #undef HAVE_CURSES_H /* Define to 1 if you have the declaration of `bswap_32', and to 0 if you don't. */ #undef HAVE_DECL_BSWAP_32 /* Define to 1 if you have the header file. */ #undef HAVE_FCNTL_H /* Define to 1 if you have the header file. */ #undef HAVE_FORM_H /* Define to 1 if you have the header file. */ #undef HAVE_HISTORY_H /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H /* Define to 1 if you have the `form' library (-lform). */ #undef HAVE_LIBFORM /* Define to 1 if you have the `ncurses' library (-lncurses). */ #undef HAVE_LIBNCURSES /* Define if you have a readline compatible library */ #undef HAVE_LIBREADLINE /* Define to 1 if you have the `memchr' function. */ #undef HAVE_MEMCHR /* Define to 1 if you have the `memmove' function. */ #undef HAVE_MEMMOVE /* Define to 1 if you have the header file. */ #undef HAVE_MEMORY_H /* Define to 1 if you have the `memset' function. */ #undef HAVE_MEMSET /* Define to 1 if you have the header file. */ #undef HAVE_READLINE_H /* Define if your readline library has \`add_history' */ #undef HAVE_READLINE_HISTORY /* Define to 1 if you have the header file. */ #undef HAVE_READLINE_HISTORY_H /* Define to 1 if you have the header file. */ #undef HAVE_READLINE_READLINE_H /* Define to 1 if you have the header file. */ #undef HAVE_STDINT_H /* Define to 1 if you have the header file. */ #undef HAVE_STDLIB_H /* Define to 1 if you have the `stpcpy' function. */ #undef HAVE_STPCPY /* Define to 1 if you have the `strchr' function. */ #undef HAVE_STRCHR /* Define to 1 if you have the `strcoll' function and it is properly defined. */ #undef HAVE_STRCOLL /* Define to 1 if you have the `strcspn' function. */ #undef HAVE_STRCSPN /* Define to 1 if you have the `strdup' function. */ #undef HAVE_STRDUP /* Define to 1 if you have the `strerror' function. */ #undef HAVE_STRERROR /* Define to 1 if you have the header file. */ #undef HAVE_STRINGS_H /* Define to 1 if you have the header file. */ #undef HAVE_STRING_H /* Define to 1 if you have the `strpbrk' function. */ #undef HAVE_STRPBRK /* Define to 1 if you have the `strrchr' function. */ #undef HAVE_STRRCHR /* Define to 1 if you have the `strspn' function. */ #undef HAVE_STRSPN /* Define to 1 if you have the `strstr' function. */ #undef HAVE_STRSTR /* Define to 1 if you have the header file. */ #undef HAVE_SYS_STAT_H /* Define to 1 if you have the header file. */ #undef HAVE_SYS_TYPES_H /* Define to 1 if you have the header file. */ #undef HAVE_UNISTD_H /* Define to 1 if the system has the type `_Bool'. */ #undef HAVE__BOOL /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION /* Define for Solaris 2.5.1 so the uint64_t typedef from , , or is not used. If the typedef were allowed, the #define below would cause a syntax error. */ #undef _UINT64_T /* Define to the type of an unsigned integer type of width exactly 64 bits if such a type exists and the standard includes do not define it. */ #undef uint64_t bitwise-v0.43/inc/shunting-yard.h0000664000175100017510000000120514137727742013753 00000000000000// Copyright 2011 - 2012, 2014 Brian Marshall. All rights reserved. // // Use of this source code is governed by the BSD 2-Clause License that can be // found in the LICENSE file. #include #ifndef SHUNTING_YARD_H #define SHUNTING_YARD_H typedef enum { STATUS_OK, ERROR_SYNTAX, ERROR_OPEN_PARENTHESIS, ERROR_CLOSE_PARENTHESIS, ERROR_UNRECOGNIZED, ERROR_NO_INPUT, ERROR_UNDEFINED_FUNCTION, ERROR_FUNCTION_ARGUMENTS, ERROR_UNDEFINED_CONSTANT, ERROR_WRONG_ARGUMENTS, } Status; // Calculates the result of a mathematical expression. Status shunting_yard(const char *expression, uint64_t *result); #endif // SHUNTING_YARD_H bitwise-v0.43/tests/0000775000175100017510000000000014137730423011447 500000000000000bitwise-v0.43/tests/test-shunting-yard.c0000664000175100017510000000671214137727742015324 00000000000000// Copyright 2012 - 2014 Brian Marshall. All rights reserved. // // Use of this source code is governed by the BSD 2-Clause License that can be // found in the LICENSE file. // // Based on CUnit example code: . #include "../inc/shunting-yard.h" #include #include #define ASSERT_RESULT(expression, expected) \ ASSERT_STATUS(expression, STATUS_OK); \ CU_ASSERT_EQUAL(result, expected) #define ASSERT_STATUS(expression, expected) \ CU_ASSERT(shunting_yard(expression, &result) == expected) static uint64_t result = 0; uint64_t g_val = 0x512; static void test_addition() { ASSERT_RESULT("2+2", 4); ASSERT_RESULT("0x2+0x2", 0x4); ASSERT_RESULT("0x2 + 0x2", 0x4); ASSERT_RESULT("0x2 + b101", 7); ASSERT_RESULT("0x2 + 0b101", 7); ASSERT_RESULT("0b101 + 0x2", 7); ASSERT_RESULT("2 + 2", 4); ASSERT_RESULT("3 + (5 + 1 + (2 + 2))", 13); ASSERT_RESULT("1+2+4+8+16 + 11", 42); } static void test_shifts() { ASSERT_RESULT("1<<0", 1); ASSERT_RESULT("1 << 2", 4); ASSERT_RESULT("2 >> 1", 1); ASSERT_RESULT("0x2 >> 1", 1); } static void test_subtraction() { ASSERT_RESULT("8-4", 4); ASSERT_RESULT("15-10", 5); ASSERT_RESULT("27 - (10 - 11)", 28); } static void test_multiplication() { ASSERT_RESULT("13 * 2", 26); ASSERT_RESULT("2(3)", 6); ASSERT_RESULT("(2)(3)", 6); ASSERT_RESULT("0x2(0x3)", 6); } static void test_division() { ASSERT_RESULT("2987898/34743", 86); } static void test_modulus() { ASSERT_RESULT("10 % 6", 4); ASSERT_RESULT("2+3 % 3", 2); ASSERT_RESULT("6*5%21", 9); ASSERT_RESULT("10%11", 10); ASSERT_RESULT("5 %5", 0); } static void test_functions() { ASSERT_RESULT("BIT(3)", 8); } static void test_constants() { ASSERT_RESULT("$+0x30", 0x542); } static void test_precedence() { ASSERT_RESULT("6/3*5", 10); ASSERT_RESULT("6+3*2", 12); ASSERT_RESULT("2+6/2*5+10/3-2/6", 20); } static void test_errors() { ASSERT_STATUS("2+*2", ERROR_SYNTAX); ASSERT_STATUS("2**2", ERROR_SYNTAX); ASSERT_STATUS("*1", ERROR_SYNTAX); ASSERT_STATUS("2*.", ERROR_SYNTAX); ASSERT_STATUS("2*2 3", ERROR_SYNTAX); ASSERT_STATUS("(2+2", ERROR_OPEN_PARENTHESIS); ASSERT_STATUS("(2+2)+(2+2", ERROR_OPEN_PARENTHESIS); ASSERT_STATUS("(2+2))", ERROR_CLOSE_PARENTHESIS); ASSERT_STATUS("", ERROR_NO_INPUT); ASSERT_STATUS(" ", ERROR_NO_INPUT); ASSERT_STATUS("foo(2)", ERROR_UNDEFINED_FUNCTION); // ASSERT_STATUS("bit(foo)", ERROR_FUNCTION_ARGUMENTS); // ASSERT_STATUS("foo", ERROR_UNDEFINED_CONSTANT); } int main() { if (CU_initialize_registry() != CUE_SUCCESS) return CU_get_error(); unsigned int tests_failed = 0; CU_pSuite suite = CU_add_suite("Shunting Yard", NULL, NULL); if (!suite) goto exit; if (!CU_add_test(suite, "addition", test_addition) || !CU_add_test(suite, "shifts", test_shifts) || !CU_add_test(suite, "subtraction", test_subtraction) || !CU_add_test(suite, "multiplication", test_multiplication) || !CU_add_test(suite, "division", test_division) || !CU_add_test(suite, "modulus", test_modulus) || !CU_add_test(suite, "functions", test_functions) || !CU_add_test(suite, "constants", test_constants) || !CU_add_test(suite, "operator precedence", test_precedence) || !CU_add_test(suite, "error handling", test_errors)) goto exit; CU_basic_set_mode(CU_BRM_NORMAL); CU_basic_run_tests(); tests_failed = CU_get_number_of_tests_failed(); exit: CU_cleanup_registry(); return tests_failed ? EXIT_FAILURE : CU_get_error(); } bitwise-v0.43/depcomp0000755000175100017510000005602014137730000011572 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2020 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by 'PROGRAMS ARGS'. object Object file output by 'PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac # Get the directory component of the given path, and save it in the # global variables '$dir'. Note that this directory component will # be either empty or ending with a '/' character. This is deliberate. set_dir_from () { case $1 in */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; *) dir=;; esac } # Get the suffix-stripped basename of the given path, and save it the # global variable '$base'. set_base_from () { base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` } # If no dependency file was actually created by the compiler invocation, # we still have to create a dummy depfile, to avoid errors with the # Makefile "include basename.Plo" scheme. make_dummy_depfile () { echo "#dummy" > "$depfile" } # Factor out some common post-processing of the generated depfile. # Requires the auxiliary global variable '$tmpdepfile' to be set. aix_post_process_depfile () { # If the compiler actually managed to produce a dependency file, # post-process it. if test -f "$tmpdepfile"; then # Each line is of the form 'foo.o: dependency.h'. # Do two passes, one to just change these to # $object: dependency.h # and one to simply output # dependency.h: # which is needed to avoid the deleted-header problem. { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" } > "$depfile" rm -f "$tmpdepfile" else make_dummy_depfile fi } # A tabulation character. tab=' ' # A newline character. nl=' ' # Character ranges might be problematic outside the C locale. # These definitions help. upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ lower=abcdefghijklmnopqrstuvwxyz digits=0123456789 alpha=${upper}${lower} if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Avoid interferences from the environment. gccflag= dashmflag= # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi if test "$depmode" = xlc; then # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. gccflag=-qmakedep=gcc,-MF depmode=gcc fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. ## Unfortunately, FreeBSD c89 acceptance of flags depends upon ## the command line argument order; so add the flags where they ## appear in depend2.am. Note that the slowdown incurred here ## affects only configure: in makefiles, %FASTDEP% shortcuts this. for arg do case $arg in -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; *) set fnord "$@" "$arg" ;; esac shift # fnord shift # $arg done "$@" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. ## (see the conditional assignment to $gccflag above). ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). Also, it might not be ## supported by the other compilers which use the 'gcc' depmode. ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # The second -e expression handles DOS-style file names with drive # letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the "deleted header file" problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. ## Some versions of gcc put a space before the ':'. On the theory ## that the space means something, we add a space to the output as ## well. hp depmode also adds that space, but also prefixes the VPATH ## to the object. Take care to not repeat it in the output. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -ne 0; then rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and replace this with sed code, as IRIX sed won't handle # lines with more than a fixed number of characters (4096 in # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; # the IRIX cc adds comments like '#:fec' to the end of the # dependency line. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ | tr "$nl" ' ' >> "$depfile" echo >> "$depfile" # The second pass generates a dummy entry for each header file. tr ' ' "$nl" < "$tmpdepfile" \ | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ >> "$depfile" else make_dummy_depfile fi rm -f "$tmpdepfile" ;; xlc) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; aix) # The C for AIX Compiler uses -M and outputs the dependencies # in a .u file. In older versions, this file always lives in the # current directory. 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It's a handy tool for low level hackers, kernel developers and device drivers developers. Some of the features include: * Interactive ncurses interface * Command line calculator supporting all bitwise operations. * Individual bit manipulator. * Bitwise operations such as NOT, OR, AND, XOR, and shifts. ## ![Demo](https://github.com/mellowcandle/bitwise/raw/master/resources/bitwise.gif "Bitwise demo2") ## Usage _bitwise_ can be used both Interactively and in command line mode. ### Command line calculator mode In command line mode, bitwise will calculate the given expression and will output the result in all bases including binary representation. _bitwise_ detects the base by the preface of the input (_0x/0X_ for hexadecimal, leading _0_ for octal, _b_ for binary, and the rest is decimal). **NEW** Bitwise now support parsing IPv4 addresses, it will also output the possible IPv4 address in both Network and reveresed byte order. ### Examples: #### Simple base conversion ![conversion](https://github.com/mellowcandle/bitwise/raw/master/resources/cmdline.png "Bitwise conversion") #### C style syntax Calculator ![calculator](https://github.com/mellowcandle/bitwise/raw/master/resources/conversion.png "Bitwise calculator") ### Interactive mode _bitwise_ starts in interactive mode if no command line parameters are passed or if the _-i | --interactive_ flag is passed. In this mode, you can input a number and manipulate it and see the other bases change dynamically. It also allows changing individual bits in the binary. You can show the help screen by pressing F1 . #### Navigation in interactive mode To move around use the arrow keys, or use _vi_ key bindings : h j k l . Leave the program by pressing q . ##### Binary specific movement You can toggle a bit bit using the space key. You can jump a byte forward using w and backwards one byte using b . #### Bitwise operation in interactive mode ##### Setting the bit width: Reducing or extending the bit width interactively is also very easy, just use: ! for 8bit, @ for 16Bit, $ for 32Bit and * for 64Bit. When changing the bit width, the number is *masked* with the new width, so you might lost precision, use with care. ##### NOT: Press ~ to perform the NOT operator. ##### Shifts Press < and > to perform the left or right shift. #### expression calculator in interactive mode You can enter expression calculator mode by typing : (Just like in vim). To exit the mode, just press ESC . In this mode, you can type any expression you like to be evaluated. The result will be printed in the history window and also printed in the binary and various bases on top. ###### operators and functions * All C operators are supported, additionally, you can use the "$" symbol to refer to the last result. * Refer to a specific bit by using the function _BIT(x)_. ###### commands * _help_ - Show the help screen. * _clear_ - Clear the history window. * _width_ [8 | 16 | 32 | 64] - Set the required width mask * _output_ [decimal | hex | octal | binary | all] - Set the default output for results. * _q_ - Exit ## Integration with other software ### Vim * [vim-bitwise](https://github.com/mellowcandle/vim-bitwise "vim bitwise") ## Installation ### Linux #### Ubuntu From 20.04 you can just type ``` sudo apt-get install bitwise ``` For earlier versions: ``` sudo add-apt-repository ppa:ramon-fried/bitwise sudo apt-get update sudo apt-get install bitwise ``` #### Snap If your distribution supports Snap just type: ` sudo snap install bitwise ` #### OpenSuse ` zypper install bitwise ` #### Arch You can use the AUR repository: https://aur.archlinux.org/packages/bitwise/ #### Void _bitwise_ is in the default repository, so just type: ` sudo xbps-install -S bitwise ` #### Buildroot / Yocto Bitwise is available both in Buildroot and in Yocto, please refer to the documentation on how to add those to your target image. ### macOS #### MacPorts ``` sudo port install bitwise ``` #### Homebrew ``` brew install bitwise ``` ### Windows NCurses doesn't support windows. You can use the windows subsystem for Linux as a workaround. ### Nix ``` nix-env -i bitwise ``` ### Building from source #### Prerequisites * libreadline * libncurses (with forms) * libcunit (only needed for testing) On Ubuntu/Debian system you can just paste: ``` sudo apt-get install build-essential sudo apt-get install libncurses5-dev sudo apt-get install libreadline-dev sudo apt-get install libcunit1-dev ``` On Mac systems: ``` brew install automake brew install autoconf brew install readline export LDFLAGS="-L/usr/local/opt/readline/lib" export CPPFLAGS="-I/usr/local/opt/readline/include" ``` - Download [the latest release](https://github.com/mellowcandle/bitwise/releases/latest) ```sh tar xfz RELEASE-FILE.TAR.GZ cd RELEASE-DIR ./configure make sudo make install ``` Running unit tests by typing ``` make check ``` ### Contribution * Instal prerequisites * Fork the repo * Run ```./bootstrap.sh``` * Follow the building from source section. * commit and send pull request bitwise-v0.43/m4/0000775000175100017510000000000014137730423010625 500000000000000bitwise-v0.43/m4/ax_lib_readline.m40000664000175100017510000000752214137727742014130 00000000000000# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_lib_readline.html # =========================================================================== # # SYNOPSIS # # AX_LIB_READLINE # # DESCRIPTION # # Searches for a readline compatible library. If found, defines # `HAVE_LIBREADLINE'. If the found library has the `add_history' function, # sets also `HAVE_READLINE_HISTORY'. Also checks for the locations of the # necessary include files and sets `HAVE_READLINE_H' or # `HAVE_READLINE_READLINE_H' and `HAVE_READLINE_HISTORY_H' or # 'HAVE_HISTORY_H' if the corresponding include files exists. # # The libraries that may be readline compatible are `libedit', # `libeditline' and `libreadline'. Sometimes we need to link a termcap # library for readline to work, this macro tests these cases too by trying # to link with `libtermcap', `libcurses' or `libncurses' before giving up. # # Here is an example of how to use the information provided by this macro # to perform the necessary includes or declarations in a C file: # # #ifdef HAVE_LIBREADLINE # # if defined(HAVE_READLINE_READLINE_H) # # include # # elif defined(HAVE_READLINE_H) # # include # # else /* !defined(HAVE_READLINE_H) */ # extern char *readline (); # # endif /* !defined(HAVE_READLINE_H) */ # char *cmdline = NULL; # #else /* !defined(HAVE_READLINE_READLINE_H) */ # /* no readline */ # #endif /* HAVE_LIBREADLINE */ # # #ifdef HAVE_READLINE_HISTORY # # if defined(HAVE_READLINE_HISTORY_H) # # include # # elif defined(HAVE_HISTORY_H) # # include # # else /* !defined(HAVE_HISTORY_H) */ # extern void add_history (); # extern int write_history (); # extern int read_history (); # # endif /* defined(HAVE_READLINE_HISTORY_H) */ # /* no history */ # #endif /* HAVE_READLINE_HISTORY */ # # LICENSE # # Copyright (c) 2008 Ville Laurikari # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 8 AU_ALIAS([VL_LIB_READLINE], [AX_LIB_READLINE]) AC_DEFUN([AX_LIB_READLINE], [ AC_CACHE_CHECK([for a readline compatible library], ax_cv_lib_readline, [ ORIG_LIBS="$LIBS" for readline_lib in readline edit editline; do for termcap_lib in "" termcap curses ncurses; do if test -z "$termcap_lib"; then TRY_LIB="-l$readline_lib" else TRY_LIB="-l$readline_lib -l$termcap_lib" fi LIBS="$ORIG_LIBS $TRY_LIB" AC_LINK_IFELSE([AC_LANG_CALL([], [readline])], [ax_cv_lib_readline="$TRY_LIB"]) if test -n "$ax_cv_lib_readline"; then break fi done if test -n "$ax_cv_lib_readline"; then break fi done if test -z "$ax_cv_lib_readline"; then ax_cv_lib_readline="no" fi LIBS="$ORIG_LIBS" ]) if test "$ax_cv_lib_readline" != "no"; then LIBS="$LIBS $ax_cv_lib_readline" AC_DEFINE(HAVE_LIBREADLINE, 1, [Define if you have a readline compatible library]) AC_CHECK_HEADERS(readline.h readline/readline.h) AC_CACHE_CHECK([whether readline supports history], ax_cv_lib_readline_history, [ ax_cv_lib_readline_history="no" AC_LINK_IFELSE([AC_LANG_CALL([], [add_history])], [ax_cv_lib_readline_history="yes"]) ]) if test "$ax_cv_lib_readline_history" = "yes"; then AC_DEFINE(HAVE_READLINE_HISTORY, 1, [Define if your readline library has \`add_history']) AC_CHECK_HEADERS(history.h readline/history.h) fi fi ])dnl bitwise-v0.43/AUTHORS0000664000175100017510000000000014137727742011275 00000000000000bitwise-v0.43/NEWS0000664000175100017510000000000014137727742010724 00000000000000bitwise-v0.43/bitwise.10000664000175100017510000000155414137730062011761 00000000000000.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.10. .TH BITWISE "1" "November 2021" "bitwise v0.43" "User Commands" .SH NAME bitwise \- Terminal based bit manipulator in ncurses .SH SYNOPSIS .B bitwise [\fI\,OPTION\/\fR...] [\fI\,expression\/\fR] .SH DESCRIPTION [expression] mathematical expression .TP \fB\-i\fR, \fB\-\-interactive\fR Load interactive mode (default if no input) .TP \fB\-w\fR, \fB\-\-width[b\fR|w|l|d] Set bit width (default: l) .TP \fB\-h\fR, \fB\-\-help\fR Display this help and exit .TP \fB\-v\fR, \fB\-\-version\fR Output version information and exit .TP \fB\-s\fR, \fB\-\-si\fR Output sizes according to SI standard. (default: IEC standard) .TP \fB\-\-no\-color\fR Start without color support .SH AUTHOR Written by Ramon Fried .SH "SEE ALSO" The full documentation for .B bitwise can be found at https://github.com/mellowcandle/bitwise bitwise-v0.43/test-driver0000755000175100017510000001112714137730000012412 00000000000000#! /bin/sh # test-driver - basic testsuite driver script. scriptversion=2018-03-07.03; # UTC # Copyright (C) 2011-2020 Free Software Foundation, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . # Make unconditional expansion of undefined variables an error. This # helps a lot in preventing typo-related bugs. set -u usage_error () { echo "$0: $*" >&2 print_usage >&2 exit 2 } print_usage () { cat <$log_file 2>&1 estatus=$? if test $enable_hard_errors = no && test $estatus -eq 99; then tweaked_estatus=1 else tweaked_estatus=$estatus fi case $tweaked_estatus:$expect_failure in 0:yes) col=$red res=XPASS recheck=yes gcopy=yes;; 0:*) col=$grn res=PASS recheck=no gcopy=no;; 77:*) col=$blu res=SKIP recheck=no gcopy=yes;; 99:*) col=$mgn res=ERROR recheck=yes gcopy=yes;; *:yes) col=$lgn res=XFAIL recheck=no gcopy=yes;; *:*) col=$red res=FAIL recheck=yes gcopy=yes;; esac # Report the test outcome and exit status in the logs, so that one can # know whether the test passed or failed simply by looking at the '.log' # file, without the need of also peaking into the corresponding '.trs' # file (automake bug#11814). echo "$res $test_name (exit status: $estatus)" >>$log_file # Report outcome to console. echo "${col}${res}${std}: $test_name" # Register the test result, and other relevant metadata. echo ":test-result: $res" > $trs_file echo ":global-test-result: $res" >> $trs_file echo ":recheck: $recheck" >> $trs_file echo ":copy-in-global-log: $gcopy" >> $trs_file # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: bitwise-v0.43/compile0000755000175100017510000001635014137727777011630 00000000000000#! /bin/sh # Wrapper for compilers which do not understand '-c -o'. scriptversion=2018-03-07.03; # UTC # Copyright (C) 1999-2020 Free Software Foundation, Inc. # Written by Tom Tromey . # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # This file is maintained in Automake, please report # bugs to or send patches to # . nl=' ' # We need space, tab and new line, in precisely that order. Quoting is # there to prevent tools from complaining about whitespace usage. IFS=" "" $nl" file_conv= # func_file_conv build_file lazy # Convert a $build file to $host form and store it in $file # Currently only supports Windows hosts. If the determined conversion # type is listed in (the comma separated) LAZY, no conversion will # take place. func_file_conv () { file=$1 case $file in / | /[!/]*) # absolute file, and not a UNC file if test -z "$file_conv"; then # lazily determine how to convert abs files case `uname -s` in MINGW*) file_conv=mingw ;; CYGWIN* | MSYS*) file_conv=cygwin ;; *) file_conv=wine ;; esac fi case $file_conv/,$2, in *,$file_conv,*) ;; mingw/*) file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` ;; cygwin/* | msys/*) file=`cygpath -m "$file" || echo "$file"` ;; wine/*) file=`winepath -w "$file" || echo "$file"` ;; esac ;; esac } # func_cl_dashL linkdir # Make cl look for libraries in LINKDIR func_cl_dashL () { func_file_conv "$1" if test -z "$lib_path"; then lib_path=$file else lib_path="$lib_path;$file" fi linker_opts="$linker_opts -LIBPATH:$file" } # func_cl_dashl library # Do a library search-path lookup for cl func_cl_dashl () { lib=$1 found=no save_IFS=$IFS IFS=';' for dir in $lib_path $LIB do IFS=$save_IFS if $shared && test -f "$dir/$lib.dll.lib"; then found=yes lib=$dir/$lib.dll.lib break fi if test -f "$dir/$lib.lib"; then found=yes lib=$dir/$lib.lib break fi if test -f "$dir/lib$lib.a"; then found=yes lib=$dir/lib$lib.a break fi done IFS=$save_IFS if test "$found" != yes; then lib=$lib.lib fi } # func_cl_wrapper cl arg... # Adjust compile command to suit cl func_cl_wrapper () { # Assume a capable shell lib_path= shared=: linker_opts= for arg do if test -n "$eat"; then eat= else case $1 in -o) # configure might choose to run compile as 'compile cc -o foo foo.c'. eat=1 case $2 in *.o | *.[oO][bB][jJ]) func_file_conv "$2" set x "$@" -Fo"$file" shift ;; *) func_file_conv "$2" set x "$@" -Fe"$file" shift ;; esac ;; -I) eat=1 func_file_conv "$2" mingw set x "$@" -I"$file" shift ;; -I*) func_file_conv "${1#-I}" mingw set x "$@" -I"$file" shift ;; -l) eat=1 func_cl_dashl "$2" set x "$@" "$lib" shift ;; -l*) func_cl_dashl "${1#-l}" set x "$@" "$lib" shift ;; -L) eat=1 func_cl_dashL "$2" ;; -L*) func_cl_dashL "${1#-L}" ;; -static) shared=false ;; -Wl,*) arg=${1#-Wl,} save_ifs="$IFS"; IFS=',' for flag in $arg; do IFS="$save_ifs" linker_opts="$linker_opts $flag" done IFS="$save_ifs" ;; -Xlinker) eat=1 linker_opts="$linker_opts $2" ;; -*) set x "$@" "$1" shift ;; *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) func_file_conv "$1" set x "$@" -Tp"$file" shift ;; *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) func_file_conv "$1" mingw set x "$@" "$file" shift ;; *) set x "$@" "$1" shift ;; esac fi shift done if test -n "$linker_opts"; then linker_opts="-link$linker_opts" fi exec "$@" $linker_opts exit 1 } eat= case $1 in '') echo "$0: No command. Try '$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: compile [--help] [--version] PROGRAM [ARGS] Wrapper for compilers which do not understand '-c -o'. Remove '-o dest.o' from ARGS, run PROGRAM with the remaining arguments, and rename the output as expected. If you are trying to build a whole package this is not the right script to run: please start by reading the file 'INSTALL'. Report bugs to . EOF exit $? ;; -v | --v*) echo "compile $scriptversion" exit $? ;; cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \ icl | *[/\\]icl | icl.exe | *[/\\]icl.exe ) func_cl_wrapper "$@" # Doesn't return... ;; esac ofile= cfile= for arg do if test -n "$eat"; then eat= else case $1 in -o) # configure might choose to run compile as 'compile cc -o foo foo.c'. # So we strip '-o arg' only if arg is an object. eat=1 case $2 in *.o | *.obj) ofile=$2 ;; *) set x "$@" -o "$2" shift ;; esac ;; *.c) cfile=$1 set x "$@" "$1" shift ;; *) set x "$@" "$1" shift ;; esac fi shift done if test -z "$ofile" || test -z "$cfile"; then # If no '-o' option was seen then we might have been invoked from a # pattern rule where we don't need one. That is ok -- this is a # normal compilation that the losing compiler can handle. If no # '.c' file was seen then we are probably linking. That is also # ok. exec "$@" fi # Name of file we expect compiler to create. cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` # Create the lock directory. # Note: use '[/\\:.-]' here to ensure that we don't use the same name # that we are using for the .o file. Also, base the name on the expected # object file name, since that is what matters with a parallel build. lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d while true; do if mkdir "$lockdir" >/dev/null 2>&1; then break fi sleep 1 done # FIXME: race condition here if user kills between mkdir and trap. trap "rmdir '$lockdir'; exit 1" 1 2 15 # Run the compile. "$@" ret=$? if test -f "$cofile"; then test "$cofile" = "$ofile" || mv "$cofile" "$ofile" elif test -f "${cofile}bj"; then test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" fi rmdir "$lockdir" exit $ret # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'before-save-hook 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC0" # time-stamp-end: "; # UTC" # End: bitwise-v0.43/src/0000775000175100017510000000000014137730423011074 500000000000000bitwise-v0.43/src/help.c0000664000175100017510000000536414137727742012132 00000000000000/* Copyright 2019 * Ramon Fried */ #include "bitwise.h" static const char *help_header = PACKAGE " " VERSION; static const char *interactive_mode = "Type numbers in different bases and directly manipulate bits.\n" \ "To move around use the arrow keys, or use vi key bindings ('h|j|k|l').\n" \ "In the binary field, toggle a bit using 'SPACE'.\n" \ "You can jump a byte forward using 'w' and backwards one byte using 'b'.\n\n" \ "Additional key mapping:\n" \ "'F1' Show this help screen.\n" \ "'~' Perform logical NOT.\n" \ "'<' Perform left shift.\n" \ "'>' Perform right shift.\n\n" \ "'!' Set bit width to 8bit.\n" \ "'@' Set bit width to 16bit.\n" \ "'$' Set bit width to 32bit.\n" \ "'*' Set bit width to 64bit.\n" \ "':' Switch to command mode.\n" \ "'q' Exit back to shell.\n"; static const char *command_mode = "Type expressions or commands, result will be appended to history window.\n" \ "Supported operators: (,),+, -, *, /, !, ~, <<_, >>_, BIT(_).\n" \ "Precedence of operators is defined as C language precedence.\n\n" \ "You can referr to the last result with '$' inside an expression.\n" \ "To return to interactive mode type 'ESC'.\n\n" \ "Supported commands:\n" \ "'help' Show this help screen.\n" \ "'clear' Clear the history window.\n" \ "'width []' Set the bit width to [8 | 16 | 32 | 64]\n" \ "'output []' Set the default output for results [decimal | hex | octal | binary | all]\n" \ "'q' Exit back to shell.\n"; void show_help(void) { WINDOW *help_win; int ch; /* Create full screen window */ help_win = newwin(0, 0, 0, 0); if (g_has_color) wattron(help_win, COLOR_PAIR(2)); mvwprintw(help_win, 0, COLS / 2 - strlen(help_header), "%s", help_header); if (g_has_color) wattroff(help_win, COLOR_PAIR(2)); wmove(help_win, 1, 0); if (g_has_color) wattron(help_win, A_UNDERLINE | COLOR_PAIR(3)); wprintw(help_win, "Interactive Mode:\n\n"); if (g_has_color) wattroff(help_win, A_UNDERLINE | COLOR_PAIR(3)); wprintw(help_win, "%s\n", interactive_mode); if (g_has_color) wattroff(help_win, A_UNDERLINE | COLOR_PAIR(1)); if (g_has_color) wattron(help_win, A_UNDERLINE | COLOR_PAIR(3)); wprintw(help_win, "Command Mode:\n\n"); if (g_has_color) wattroff(help_win, A_UNDERLINE | COLOR_PAIR(3)); wprintw(help_win, "%s", command_mode); wrefresh(help_win); refresh(); ch = wgetch(help_win); werase(help_win); wrefresh(help_win); delwin(help_win); if (ch == 'q' || ch == 'Q') g_leave_req = true; if (ch == KEY_RESIZE) { rl_resize_terminal(); show_help(); } } bitwise-v0.43/src/stack.c0000664000175100017510000000117714137727742012305 00000000000000// Copyright 2011 - 2014 Brian Marshall. All rights reserved. // // Use of this source code is governed by the BSD 2-Clause License that can be // found in the LICENSE file. #include "stack.h" #include struct Stack { const void *value; Stack *next; }; void stack_push(Stack **stack, const void *value) { Stack *item = malloc(sizeof * item); item->value = value; item->next = *stack; *stack = item; } const void *stack_pop(Stack **stack) { Stack *item = *stack; const void *value = item->value; *stack = item->next; free(item); return value; } const void *stack_top(const Stack *stack) { return stack->value; } bitwise-v0.43/src/interactive.c0000664000175100017510000003744014137727742013517 00000000000000/* Copyright 2019 * Ramon Fried */ #include #include #include #include #include #include #include #include #include #include #include #include "bitwise.h" #define MAX_DEC_DIGITS_64 20 #define MAX_HEX_DIGITS_64 16 #define MAX_OCT_DIGITS_64 32 #define MAX_DEC_DIGITS_32 10 #define MAX_HEX_DIGITS_32 8 #define MAX_OCT_DIGITS_32 16 #define MAX_DEC_DIGITS_16 5 #define MAX_HEX_DIGITS_16 4 #define MAX_OCT_DIGITS_16 8 #define MAX_DEC_DIGITS_8 3 #define MAX_HEX_DIGITS_8 2 #define MAX_OCT_DIGITS_8 4 #define CLEAR_BIT 0 #define SET_BIT 1 #define TOGGLE_BIT 2 #ifdef TRACE FILE *fd; #endif int max_dec_digits, max_hex_digits, max_oct_digits; int min_frame_size; static char title[] = "Bitwise"; static char *width_str; WINDOW *fields_win; WINDOW *binary_win; WINDOW *cmd_win; WINDOW *history_win; int active_win, last_win; int g_output = CMD_OUTPUT_HEXADECIMAL; static FIELD *field[5]; FORM *form; uint64_t g_val; int bit_pos; static int binary_field_size; static int base[3] = { 10, 16, 8, }; struct history_entry history[MAX_HISTORY_LEN] = { { 0, NULL } }; unsigned int history_pos = 0; int max_display_history; #define BINARY_WIN_LEN 17 #define BYTE_BINARY_WIN_LEN (BINARY_WIN_LEN + 2) #define WORD_BINARY_WIN_LEN (BINARY_WIN_LEN * 2) + 3 #define LONG_BINARY_WIN_LEN (BINARY_WIN_LEN * 4) + 5 #define DBL_BINARY_WIN_LEN (BINARY_WIN_LEN * 8) + 9 void flush_history(void) { int i; history_pos = 0; for (i = 0; i < MAX_HISTORY_LEN; i++) if (history[i].line) { free(history[i].line); history[i].line = NULL; } } void update_history_win(void) { unsigned int max_display = LINES - 17; int i, j; if (history_pos < max_display) max_display = history_pos; werase(history_win); box(history_win, 0, 0); for (i = max_display, j = 1; i > 0; i--, j++) { if (g_has_color) switch (history[history_pos -i].type) { case TYPE_INPUT_COMMAND: wattron(history_win, COLOR_PAIR(2)); break; case TYPE_INPUT_EXPRESSION: wattron(history_win, COLOR_PAIR(1)); break; case TYPE_OUTPUT_RESULT: wattron(history_win, COLOR_PAIR(3)); break; case TYPE_OUTPUT_ERROR: wattron(history_win, COLOR_PAIR(5)); break; } mvwprintw(history_win, j, 2, "%s", history[history_pos - i].line); } if (g_has_color) wattroff(history_win, COLOR_PAIR(1)); wrefresh(history_win); } char binary_field[DBL_BINARY_WIN_LEN]; int dec_pos, hex_pos, oct_pos; bool g_leave_req; void set_fields_width(int width) { int min_field_distance; g_width = width; switch (width) { case 64: binary_field_size = DBL_BINARY_WIN_LEN; max_dec_digits = MAX_DEC_DIGITS_64; max_hex_digits = MAX_HEX_DIGITS_64; max_oct_digits = MAX_OCT_DIGITS_64; min_field_distance = 4; width_str = " 64Bit "; break; case 32: g_val &= 0xFFFFFFFF; binary_field_size = LONG_BINARY_WIN_LEN; max_dec_digits = MAX_DEC_DIGITS_32; max_hex_digits = MAX_HEX_DIGITS_32; max_oct_digits = MAX_OCT_DIGITS_32; min_field_distance = 6; width_str = " 32Bit "; break; case 16: g_val &= 0xFFFF; binary_field_size = WORD_BINARY_WIN_LEN; max_dec_digits = MAX_DEC_DIGITS_16; max_hex_digits = MAX_HEX_DIGITS_16; max_oct_digits = MAX_OCT_DIGITS_16; min_field_distance = 8; width_str = " 16Bit "; break; case 8: g_val &= 0xFF; binary_field_size = BYTE_BINARY_WIN_LEN; max_dec_digits = MAX_DEC_DIGITS_8; max_hex_digits = MAX_HEX_DIGITS_8; max_oct_digits = MAX_OCT_DIGITS_8; min_field_distance = 10; width_str = " 8Bit "; break; } /* Reserve space for the cursor at the end */ max_dec_digits += 1; max_hex_digits += 1; max_oct_digits += 1; dec_pos = 0; hex_pos = dec_pos + max_dec_digits + min_field_distance - 2; oct_pos = hex_pos + max_hex_digits + min_field_distance + 1; } static void update_bit(int pos, int op) { if (op == SET_BIT) g_val |= BIT(g_width - 1 - pos); else if (op == CLEAR_BIT) g_val &= ~(BIT(g_width - 1 - pos)); else g_val ^= BIT(g_width - 1 - pos); LOG("g_width: %d\ng_val: %llu\n", g_width, g_val); update_binary(); } void update_binary() { int i; int pos = 0; for (i = g_width; i > 0; i--) { if ((i % 8 == 0) && (i != g_width)) { binary_field[pos] = '|'; binary_field[pos + 1] = ' '; pos += 2; } if (g_val & BIT(i - 1)) binary_field[pos] = '1'; else binary_field[pos] = '0'; binary_field[pos + 1] = ' '; pos += 2; } binary_field[pos] = '\0'; mvwprintw(binary_win, 1, 2, "%s", binary_field); pos = 6; if (g_has_color) wattron(binary_win, COLOR_PAIR(3)); for (i = 0; i < g_width / 8; i++, pos += 18) mvwprintw(binary_win, 2, pos, "%2d - %2d", (g_width - 1) - (i * 8), (g_width - 8) - (i * 8)); if (g_has_color) wattroff(binary_win, COLOR_PAIR(3)); wrefresh(binary_win); } void mouse_to_bit(int xPos){ int binaryDigitWinSize = 18; //Indicates that user is clicking a separating bar if(xPos % binaryDigitWinSize == 0){ return; } int field = floor(xPos / binaryDigitWinSize); // How many bits from the previous separating line was the click int bitFromLine = floor((xPos%binaryDigitWinSize)/2) - 1; // If they are on the first bit if (bitFromLine < 0) { bitFromLine = 0; } int relativeBit = (8 * (field)) + bitFromLine; update_bit(relativeBit, TOGGLE_BIT); update_fields(-1); } WINDOW * process_mouse(MEVENT *event) { WINDOW *mouse_window = NULL; if (wmouse_trafo(binary_win, &event->y, &event->x, FALSE) == TRUE) { mouse_window = binary_win; mouse_to_bit(event->x); } else if (wmouse_trafo(fields_win, &event->y, &event->x, FALSE) == TRUE) { mouse_window = fields_win; } return mouse_window; } int update_fields(int index) { FIELD *tmp_field = current_field(form); int *cur_base = field_userptr(tmp_field); char *buffer; char number[64]; int *base; uint64_t tmp_val; if (index != -1) { buffer = field_buffer(tmp_field, 0); assert(buffer); tmp_val = strtoull(buffer, NULL, *cur_base); if (tmp_val == LLONG_MAX) { /* * Make sure we don't get a number which is * too big to represent in 64bit */ beep(); return 1; } if (tmp_val > MASK(g_width)) { FIELD *tmp_field = current_field(form); unpaint_screen(); set_fields_width(g_width * 2); paint_screen(); set_current_field(form, tmp_field); set_active_field(false); LOG("Overflow: tmp_val = %" PRIu64 "\n", tmp_val); index = -1; } g_val = tmp_val; } LOG("Val = %" PRIu64 "\n", g_val); for (int i = 0; i < 3; i++) { base = field_userptr(field[i]); if (g_val) lltostr(g_val, number, *base); else number[0] = '\0'; LOG("updating field %d\n", i); set_field_buffer(field[i], 0, number); } form_driver(form, REQ_VALIDATION); form_driver(form, REQ_END_FIELD); wrefresh(fields_win); return 0; } void set_active_field(bool none) { if (!g_has_color) return; if (!none) { set_field_fore(current_field(form), COLOR_PAIR(1)); set_field_back(current_field(form), A_UNDERLINE | COLOR_PAIR(1)); } for (int i = 0; i < 3; i++) { if ((field[i] == current_field(form)) && (!none)) continue; set_field_fore(field[i], COLOR_PAIR(0)); set_field_back(field[i], COLOR_PAIR(0)); } } void position_binary_curser(int previous_pos, int next_pos) { int pos; pos = 2 + (2 * previous_pos) + (2 * (previous_pos / 8)); mvwchgat(binary_win, 1, pos, 1, A_NORMAL, COLOR_PAIR(0), NULL); if (next_pos != -1) { pos = 2 + (2 * next_pos) + (2 * (next_pos / 8)); mvwchgat(binary_win, 1, pos, 1, A_UNDERLINE, COLOR_PAIR(0), NULL); mvwprintw(binary_win, 3, 1, "bit %.2u\t\t", g_width - 1 - next_pos); } wrefresh(binary_win); } void process_binary(int ch) { int tmp; switch (ch) { case 'w': case 'W': LOG("word right\n"); tmp = (bit_pos + 8) & ~(8 - 1); if (tmp >= g_width - 1) { beep(); break; } position_binary_curser(bit_pos, tmp); bit_pos = tmp; break; case 'b': case 'B': LOG("word left\n"); tmp = (bit_pos - 8) & ~(8 - 1); if (tmp < 0) { beep(); break; } position_binary_curser(bit_pos, tmp); bit_pos = tmp; break; case KEY_RIGHT: case 'l': LOG("Key right\n"); if (bit_pos == g_width - 1) { beep(); break; } position_binary_curser(bit_pos, bit_pos + 1); bit_pos++; break; case KEY_LEFT: case 'h': LOG("Key left\n"); if (bit_pos == 0) { beep(); break; } position_binary_curser(bit_pos, bit_pos - 1); bit_pos--; break; case KEY_UP: case 'k': case '\t': LOG("Key up\n"); active_win = FIELDS_WIN; set_active_field(false); position_binary_curser(bit_pos, -1); form_driver(form, REQ_END_LINE); form_driver(form, REQ_VALIDATION); curs_set(1); wrefresh(fields_win); break; case KEY_BACKSPACE: case 127: LOG("Backspace\n"); if (bit_pos != 0) { bit_pos--; update_bit(bit_pos, CLEAR_BIT); update_fields(-1); } else beep(); break; default: if (ch == '1') { update_bit(bit_pos, SET_BIT); position_binary_curser(bit_pos, (bit_pos + 1) == (g_width) ? (bit_pos) : (bit_pos + 1)); update_fields(-1); if (bit_pos != g_width - 1) bit_pos++; break; } else if (ch == '0') { update_bit(bit_pos, CLEAR_BIT); position_binary_curser(bit_pos, (bit_pos + 1) == (g_width) ? (bit_pos) : (bit_pos + 1)); update_fields(-1); if (bit_pos != g_width - 1) bit_pos++; break; } else if (ch == ' ') { update_bit(bit_pos, TOGGLE_BIT); position_binary_curser(bit_pos, bit_pos); update_fields(-1); } break; } } void process_fields(int ch) { FIELD *tmp_field; int *cur_base; switch (ch) { case KEY_RIGHT: case 'l': LOG("Key right\n"); /* Go to next field */ form_driver(form, REQ_NEXT_FIELD); /* Go to the end of the present buffer */ /* Leaves nicely at the last character */ form_driver(form, REQ_END_FIELD); set_active_field(false); wrefresh(fields_win); break; case KEY_LEFT: case 'h': LOG("Key left\n"); /* Go to previous field */ form_driver(form, REQ_PREV_FIELD); form_driver(form, REQ_END_FIELD); set_active_field(false); wrefresh(fields_win); break; case KEY_DOWN: case 'j': case '\t': LOG("Key down\n"); active_win = BINARY_WIN; curs_set(0); set_active_field(true); form_driver(form, REQ_VALIDATION); position_binary_curser(0, bit_pos); wrefresh(fields_win); break; case KEY_BACKSPACE: case 127: LOG("Backspace\n"); form_driver(form, REQ_DEL_CHAR); form_driver(form, REQ_DEL_PREV); form_driver(form, REQ_VALIDATION); update_fields(field_index(current_field(form))); set_active_field(false); update_binary(); wrefresh(fields_win); break; default: LOG("default char\n"); tmp_field = current_field(form); cur_base = field_userptr(tmp_field); if (validate_input(ch, *cur_base)) break; form_driver(form, ch); form_driver(form, REQ_VALIDATION); if (update_fields(field_index(tmp_field))) { form_driver(form, REQ_DEL_CHAR); form_driver(form, REQ_PREV_CHAR); form_driver(form, REQ_VALIDATION); } update_binary(); wrefresh(fields_win); break; } } void paint_screen(void) { int rows, cols; int rc; /* Initialize the fields */ field[0] = new_field(1, max_dec_digits, 1, dec_pos, 0, 0); field[1] = new_field(1, max_hex_digits, 1, hex_pos, 0, 0); field[2] = new_field(1, max_oct_digits, 1, oct_pos, 0, 0); field[3] = NULL; for (int i = 0; i < 3; i++) { set_field_back(field[i], A_UNDERLINE); field_opts_off(field[i], O_AUTOSKIP); set_field_userptr(field[i], &base[i]); } if (g_has_color) { init_pair(1, COLOR_BLUE, COLOR_BLACK); init_pair(2, COLOR_GREEN, COLOR_BLACK); init_pair(3, COLOR_CYAN, COLOR_BLACK); init_pair(4, COLOR_MAGENTA, COLOR_BLACK); init_pair(5, COLOR_RED, COLOR_BLACK); } form = new_form(field); if (!form) die("new form failed\n"); scale_form(form, &rows, &cols); fields_win = newwin(rows + 3, cols + 6, 2, 0); keypad(fields_win, TRUE); binary_win = newwin(5, binary_field_size, 8, 0); keypad(binary_win, TRUE); box(binary_win, 0, 0); history_win = newwin(LINES - 15, COLS, 13, 0); box(history_win, 0, 0); rc = set_form_win(form, fields_win); if (rc != E_OK) die("set_form_win failed\n"); rc = set_form_sub(form, derwin(fields_win, rows, cols, 2, 2)); if (rc != E_OK) die("set_form_sub failed\n"); set_current_field(form, field[0]); set_active_field(false); mvprintw(0, (COLS - strlen(title)) / 2, "%s", title); box(fields_win, 0, 0); mvwprintw(fields_win, 0, (cols + 6 - strlen(width_str)) / 2, "%s", width_str); if (g_has_color) wattron(fields_win, COLOR_PAIR(2)); mvwprintw(fields_win, 1, dec_pos + 2, "Decimal:"); mvwprintw(fields_win, 1, hex_pos + 2, "Hexdecimal:"); mvwprintw(fields_win, 1, oct_pos + 2, "Octal:"); if (g_has_color) wattroff(binary_win, COLOR_PAIR(2)); cmd_win = newwin(1, COLS, LINES - 1, 0); wrefresh(fields_win); update_binary(); update_history_win(); wrefresh(cmd_win); refresh(); rc = post_form(form); if (rc != E_OK) die("post_form failed: %d\n", rc); update_fields(-1); } void unpaint_screen(void) { int i; unpost_form(form); free_form(form); for (i = 0; i < 3; i++) free_field(field[i]); delwin(fields_win); delwin(binary_win); delwin(history_win); delwin(cmd_win); clear(); refresh(); } int start_interactive(uint64_t start) { int ch; uint64_t tmp_val; MEVENT event; g_val = start; init_terminal(); init_readline(); mousemask(BUTTON1_CLICKED, NULL); refresh(); set_fields_width(g_width); paint_screen(); last_win = active_win = FIELDS_WIN; while (true) { if (g_leave_req) break; ch = wgetch(get_win(active_win)); LOG("%d window ch= %d\n", active_win, ch); if (active_win == COMMAND_WIN) { process_cmd(ch); continue; } switch (ch) { case KEY_MOUSE: if(getmouse(&event) == OK){ process_mouse(&event); } break; case KEY_F(1): unpaint_screen(); show_help(); paint_screen(); break; case 'q': case 'Q': g_leave_req = true; continue; case KEY_RESIZE: LOG("Terminal resize\n"); unpaint_screen(); paint_screen(); rl_resize_terminal(); break; case '!': unpaint_screen(); set_fields_width(8); if (bit_pos > 7) bit_pos = 7; paint_screen(); break; case '@': unpaint_screen(); set_fields_width(16); if (bit_pos > 15) bit_pos = 15; paint_screen(); break; case '$': unpaint_screen(); set_fields_width(32); if (bit_pos > 31) bit_pos = 31; paint_screen(); break; case '*': unpaint_screen(); set_fields_width(64); paint_screen(); break; case '~': unpaint_screen(); g_val = ~g_val & MASK(g_width); paint_screen(); break; case '>': unpaint_screen(); g_val = g_val >> 1; paint_screen(); break; case '<': tmp_val = (g_val << 1); if (tmp_val < MASK(g_width)) { unpaint_screen(); g_val = tmp_val; paint_screen(); } break; case ':': last_win = active_win; active_win = COMMAND_WIN; if (last_win == FIELDS_WIN) { set_active_field(true); form_driver(form, REQ_VALIDATION); wrefresh(fields_win); } else if (last_win == BINARY_WIN) position_binary_curser(bit_pos, -1); curs_set(1); keypad(stdscr, FALSE); intrflush(NULL, FALSE); readline_redisplay(); break; default: if (active_win == BINARY_WIN) process_binary(ch); else if (active_win == FIELDS_WIN) process_fields(ch); } if (active_win == BINARY_WIN) { LOG("Bit pos = %u\n", bit_pos); position_binary_curser(0, bit_pos); } } unpaint_screen(); /* OK. this is really weird, it seems that by calling * deinit_readline() before exiting is breaking bash * afterwards and must be fixed by typing reset in the * terminal. * I couldn't figure this one out, let's just leave it like * this, hopefully it won't affect other env */ /* deinit_readline(); */ flush_history(); deinit_terminal(); return 0; } bitwise-v0.43/src/misc.c0000664000175100017510000001412214137727742012125 00000000000000/* Copyright 2019 * Ramon Fried */ #include #include #include "bitwise.h" /* IEC Standard */ #define KiB (1ULL << 10) #define MiB (1ULL << 20) #define GiB (1ULL << 30) #define TiB (1ULL << 40) #define PiB (1ULL << 50) /* SI Standard */ #define kB (1000ULL) #define MB (1000 * kB) #define GB (1000 * MB) #define TB (1000 * GB) #define PB (1000 * TB) int g_has_color = 1; int g_width = 0; bool g_input_avail; int g_input; #define RED "\x1B[31m" #define GREEN "\x1B[32m" #define YEL "\x1B[33m" #define BLUE "\x1B[34m" #define MAGENTA "\x1B[35m" #define CYAN "\x1B[36m" #define WHITE "\x1B[37m" #define RESET "\x1B[0m" #define NOTHING "" char *color_green = NOTHING; char *color_red = NOTHING; char *color_blue = NOTHING; char *color_magenta = NOTHING; char *color_cyan = NOTHING; char *color_white = NOTHING; char *color_reset = NOTHING; void init_colors(void) { if (g_has_color) { color_green = GREEN; color_red = RED; color_blue = BLUE; color_magenta = MAGENTA; color_cyan = CYAN; color_white = WHITE; color_reset = RESET; } else { color_green = NOTHING; color_red = NOTHING; color_blue = NOTHING; color_magenta = NOTHING; color_cyan = NOTHING; color_white = NOTHING; color_reset = NOTHING; } } void init_terminal(void) { initscr(); if (has_colors() == FALSE) g_has_color = 0; else { start_color(); init_colors(); } cbreak(); noecho(); nonl(); intrflush(NULL, FALSE); keypad(stdscr, TRUE); curs_set(2); } void deinit_terminal(void) { endwin(); } void die(const char *fmt, ...) { va_list args; va_start(args, fmt); deinit_terminal(); /* See interactive.c for reasoning */ /* deinit_readline(); */ vfprintf(stderr, fmt, args); va_end(args); exit(EXIT_FAILURE); } int validate_input(int ch, int base) { switch (base) { case 2: if (ch == '0' || ch == '1') return 0; break; case 8: if (ch >= '0' && ch <= '7') return 0; break; case 16: if ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f')) return 0; break; case 10: if (isdigit(ch)) return 0; break; default: break; } return 1; } int binary_scanf(const char *buf, uint64_t *val) { uint64_t value = 0; /* Skip the leading 0 */ if (buf[0] == '0') { buf++; } /* Skip the leading b */ buf++; while (*buf) { switch (*buf) { case '0': value <<= 1; break; case '1': value <<= 1; value++; break; default: return 0; } buf++; } *val = value; return 1; } int base_scanf(const char *buf, int base, uint64_t *value) { int ret = 0; switch (base) { case 10: ret = sscanf(buf, "%" PRIu64, value); break; case 16: ret = sscanf(buf, "%" PRIX64, value); break; case 8: ret = sscanf(buf, "%" PRIo64, value); break; case 2: ret = binary_scanf(buf, value); break; default: fprintf(stderr, "Unknown base\n"); break; } if (ret == EOF || !ret) { LOG("Couldn't parse number: %s\n", buf); return 1; } return 0; } int ip_scanf(const char *input, uint64_t *val) { union { uint8_t ip[4]; uint32_t ip32; } ip; if (sscanf(input, "%hhu.%hhu.%hhu.%hhu", &ip.ip[0], &ip.ip[1], &ip.ip[2], &ip.ip[3]) != 4) { fprintf(stderr, "Failed parsing IPv4 address\n"); return 1; } *val = ip.ip32; return 0; } int parse_input(const char *input, uint64_t *val) { int base; if (strchr(input, '.')) return ip_scanf(input, val); if (tolower(input[0]) == 'b') base = 2; else if (input[0] == '0') if (tolower(input[1] == 'b')) base = 2; else if (input[1] == 'x' || input[1] == 'X') base = 16; else base = 8; else base = 10; return base_scanf(input, base, val); } int lltostr(uint64_t val, char *buf, int base) { int rc; switch (base) { case 10: rc = sprintf(buf, "%" PRIu64, val); break; case 16: rc = sprintf(buf, "%" PRIx64, val); break; case 8: rc = sprintf(buf, "%" PRIo64, val); break; case 2: default: sprintf(buf, "Not implemeted"); return -1; } if (rc < 0) LOG("sprintf failed with error: %d\n", rc); return rc; } int sprintf_type(uint64_t val, char *buf, output_type type) { int i; int pos = 0; switch (type) { case CMD_OUTPUT_DECIMAL: sprintf(buf, "Decimal: %" PRIu64, val); break; case CMD_OUTPUT_HEXADECIMAL: sprintf(buf, "Hexadecimal: 0x%" PRIx64, val); break; case CMD_OUTPUT_OCTAL: sprintf(buf, "Octal: 0%" PRIo64, val); break; case CMD_OUTPUT_BINARY: pos = sprintf(buf, "Binary: "); for (i = g_width; i > 0; i--) { if ((i % 8 == 0) && (i != g_width)) { buf[pos] = '|'; buf[pos + 1] = ' '; pos += 2; } if (val & BIT(i - 1)) { buf[pos] = '1'; } else { buf[pos] = '0'; } buf[pos + 1] = ' '; pos += 2; } buf[pos-1] = '\0'; break; default: break; } return 0; } int sprintf_size(uint64_t val, char *buf, bool si) { int ret; double f_val = val; if (si) { if (val >= PB) ret = sprintf(buf, "%.2lf PB", f_val / PB); else if (val >= TB) ret = sprintf(buf, "%.2lf TB", f_val / TB); else if (val >= GB) ret = sprintf(buf, "%.2lf GB", f_val / GB); else if (val >= MB) ret = sprintf(buf, "%.2lf MB", f_val / MB); else if (val >= kB) ret = sprintf(buf, "%.2lf Kb", f_val / kB); else ret = sprintf(buf, "%" PRIu64, val); } else { if (val >= PiB) ret = sprintf(buf, "%.2lf PiB", f_val / PiB); else if (val >= TiB) ret = sprintf(buf, "%.2lf TiB", f_val / TiB); else if (val >= GiB) ret = sprintf(buf, "%.2lf GiB", f_val / GiB); else if (val >= MiB) ret = sprintf(buf, "%.2lf MiB", f_val / MiB); else if (val >= KiB) ret = sprintf(buf, "%.2lf KiB", f_val / KiB); else ret = sprintf(buf, "%" PRIu64, val); } return ret; } void set_width_by_val(uint64_t val) { if (val & 0xFFFFFFFF00000000) g_width = 64; else if (val & 0xFFFF0000) g_width = 32; else if (val & 0xFF00) g_width = 16; else if (val & 0xFF) g_width = 8; else g_width = 32; } int set_width(char width) { if (tolower(width) == 'b') g_width = 8; else if (tolower(width) == 'w') g_width = 16; else if (tolower(width) == 'l') g_width = 32; else if (tolower(width) == 'd') g_width = 64; else return 1; return 0; } bitwise-v0.43/src/cmd.c0000664000175100017510000001674414137727742011751 00000000000000/* Copyright 2019 * Ramon Fried */ #include #include #include #include "bitwise.h" #include "shunting-yard.h" #define MAX_TOKENS 4 static int cmd_clear(char **argv, int argc); static int cmd_help(char **argv, int argc); static int cmd_set_width(char **argv, int argc); static int cmd_set_output(char **argv, int argc); struct cmd { const char *name; int min_args; int max_args; int (*func)(char **argv, int argc); }; static struct cmd cmds[] = { {"clear", 0, 0, cmd_clear}, {"help", 0, 0, cmd_help}, {"width", 1, 1, cmd_set_width}, {"output", 1, 1, cmd_set_output}, }; static int get_cmd(const char *cmd_name) { size_t i = 0; for (i = 0; i < ARRAY_SIZE(cmds); i++) { LOG("comparing %s to command %s\n", cmd_name, cmds[i].name); if (!strncmp(cmds[i].name, cmd_name, strlen(cmds[i].name))) return i; } return -1; } void show_error(Status status) { char *message = NULL; switch (status) { case ERROR_SYNTAX: message = "Syntax error"; break; case ERROR_OPEN_PARENTHESIS: message = "Missing parenthesis"; break; case ERROR_CLOSE_PARENTHESIS: message = "Extra parenthesis"; break; case ERROR_UNRECOGNIZED: message = "Unknown character"; break; case ERROR_NO_INPUT: message = "Empty expression"; break; case ERROR_UNDEFINED_FUNCTION: message = "Unknown function"; break; case ERROR_FUNCTION_ARGUMENTS: message = "Missing function arguments"; break; case ERROR_UNDEFINED_CONSTANT: message = "Unknown constant"; break; case ERROR_WRONG_ARGUMENTS: message = "Wrong arguments"; break; default: message = "Unknown error"; } werase(cmd_win); mvwprintw(cmd_win, 0, 0, "%s", message); append_to_history(message, TYPE_OUTPUT_ERROR); wrefresh(cmd_win); } static int is_whitespace(const char *string) { size_t i; for (i = 0; i < strlen(string); i++) if (!isspace(string[i])) return false; return true; } static int parse_cmd(char *cmdline) { static char *tokens[MAX_TOKENS]; int cmd_entry; int i = 0; int rc = 0; uint64_t result; if (is_whitespace(cmdline)) return 0; LOG("got command: %s\n", cmdline); /* First let's see if this is a command */ cmd_entry = get_cmd(cmdline); if (cmd_entry >= 0) { /* It looks like a command, let's tokenize this */ append_to_history(cmdline, TYPE_INPUT_COMMAND); tokens[i] = strtok(cmdline, " "); LOG("%s\n", tokens[i]); do { i++; tokens[i] = strtok(NULL, " "); LOG("%s\n", tokens[i]); } while (tokens[i] != NULL && (i) < MAX_TOKENS); LOG("Finished tokenizing %d tokens\n", i); if ((i - 1 >= cmds[cmd_entry].min_args) && (i - 1 <= cmds[cmd_entry].max_args)) rc = cmds[cmd_entry].func(&tokens[1], i - 1); else { werase(cmd_win); mvwprintw(cmd_win, 0, 0, "%s: Invalid parameter(s)", tokens[0]); wrefresh(cmd_win); LOG("Invalid parameters\n"); return -1; } if (rc) { show_error(rc); return -1; } } else { append_to_history(cmdline, TYPE_INPUT_EXPRESSION); Status status = shunting_yard(cmdline, &result); if (status != OK) { show_error(status); return -1; } else { char result_string[256]; g_val = result; if (g_output == CMD_OUTPUT_ALL) { sprintf_type(result, result_string, CMD_OUTPUT_DECIMAL); append_to_history(result_string, TYPE_OUTPUT_RESULT); sprintf_type(result, result_string, CMD_OUTPUT_HEXADECIMAL); append_to_history(result_string, TYPE_OUTPUT_RESULT); sprintf_type(result, result_string, CMD_OUTPUT_OCTAL); append_to_history(result_string, TYPE_OUTPUT_RESULT); sprintf_type(result, result_string, CMD_OUTPUT_BINARY); append_to_history(result_string, TYPE_OUTPUT_RESULT); update_binary(); update_fields(-1); } else { sprintf_type(result, result_string, g_output); update_binary(); update_fields(-1); append_to_history(result_string, TYPE_OUTPUT_RESULT); } } } return 0; } static int readline_input_avail(void) { return g_input_avail; } static int readline_getc(FILE *dummy) { g_input_avail = false; return g_input; } static void got_command(char *line) { int rc; /* Handle exit commands immediately */ if (!line) { /* Handle CTL-D */ g_leave_req = true; return; } if (strcmp("q", line) == 0) g_leave_req = true; if (*line) add_history(line); rc = parse_cmd(line); free(line); if (!rc) { keypad(stdscr, FALSE); werase(cmd_win); wrefresh(cmd_win); } return; } void readline_redisplay(void) { if (active_win != COMMAND_WIN) return; werase(cmd_win); mvwprintw(cmd_win, 0, 0, "%s%s", rl_display_prompt, rl_line_buffer); wmove(cmd_win, 0, rl_point + 1); wrefresh(cmd_win); } void init_readline(void) { rl_catch_signals = 0; rl_catch_sigwinch = 0; rl_deprep_term_function = NULL; rl_prep_term_function = NULL; rl_change_environment = 0; rl_getc_function = readline_getc; rl_input_available_hook = readline_input_avail; rl_redisplay_function = readline_redisplay; //rl_bind_key('\t', rl_insert); rl_callback_handler_install(":", got_command); } void deinit_readline(void) { rl_callback_handler_remove(); } void process_cmd(int ch) { int new_char; LOG("Process cmd %u\n", ch); if (ch == 27) { nodelay(get_win(active_win), true); new_char = wgetch(get_win(active_win)); nodelay(get_win(active_win), false); if (new_char == ERR) { LOG("IT's a real escape\n"); active_win = last_win; if (active_win == FIELDS_WIN) { set_active_field(false); form_driver(form, REQ_END_LINE); form_driver(form, REQ_VALIDATION); curs_set(1); wrefresh(fields_win); } else if (active_win == BINARY_WIN) { curs_set(0); position_binary_curser(0, bit_pos); wrefresh(binary_win); } keypad(stdscr, FALSE); werase(cmd_win); wrefresh(cmd_win); return; } else ungetch(new_char); } /* If TAB || BACKSPACE (to -1) */ if (ch == 127 && !rl_point) { LOG("Detected exit cmd\n"); active_win = last_win; if (active_win == FIELDS_WIN) { set_active_field(false); form_driver(form, REQ_END_LINE); form_driver(form, REQ_VALIDATION); curs_set(1); wrefresh(fields_win); } else if (active_win == BINARY_WIN) { curs_set(0); position_binary_curser(0, bit_pos); wrefresh(binary_win); } keypad(stdscr, FALSE); werase(cmd_win); wrefresh(cmd_win); return; } g_input = ch; g_input_avail = true; rl_callback_read_char(); } static int cmd_clear(char **argv, int argc) { LOG("%s: argc %d\n", __func__, argc); flush_history(); update_history_win(); return 0; } static int cmd_set_width(char **argv, int argc) { LOG("%s: argc %d\n", __func__, argc); if (!strcmp("64", argv[0])) set_fields_width(64); else if (!strcmp("32", argv[0])) set_fields_width(32); else if (!strcmp("16", argv[0])) set_fields_width(16); else if (!strcmp("8", argv[0])) set_fields_width(8); else return ERROR_WRONG_ARGUMENTS; unpaint_screen(); paint_screen(); return 0; } static int cmd_set_output(char **argv, int argc) { LOG("%s: argc %d\n", __func__, argc); if (!strcmp("hex", argv[0])) g_output = CMD_OUTPUT_HEXADECIMAL; else if (!strcmp("decimal", argv[0])) g_output = CMD_OUTPUT_DECIMAL; else if (!strcmp("octal", argv[0])) g_output = CMD_OUTPUT_OCTAL; else if (!strcmp("binary", argv[0])) g_output = CMD_OUTPUT_BINARY; else if (!strcmp("all", argv[0])) g_output = CMD_OUTPUT_ALL; else return ERROR_WRONG_ARGUMENTS; return 0; } static int cmd_help(char **argv, int argc) { unpaint_screen(); curs_set(0); show_help(); curs_set(2); paint_screen(); return 0; } bitwise-v0.43/src/shunting-yard.c0000664000175100017510000002616314137727742013776 00000000000000// Copyright 2011 - 2014 Brian Marshall. All rights reserved. // // Use of this source code is governed by the BSD 2-Clause License that can be // found in the LICENSE file. #include #include #include #include #include #include #include "bitwise.h" #include "shunting-yard.h" #include "stack.h" typedef enum { TOKEN_NONE, TOKEN_UNKNOWN, TOKEN_OPEN_PARENTHESIS, TOKEN_CLOSE_PARENTHESIS, TOKEN_OPERATOR, TOKEN_NUMBER, TOKEN_IDENTIFIER } TokenType; typedef struct { TokenType type; char *value; } Token; typedef enum { OPERATOR_OTHER, OPERATOR_UNARY, OPERATOR_BINARY } OperatorArity; typedef enum { OPERATOR_NONE, OPERATOR_LEFT, OPERATOR_RIGHT } OperatorAssociativity; typedef struct { char *symbol; int op_len; int precedence; OperatorArity arity; OperatorAssociativity associativity; } Operator; static const Token NO_TOKEN = {TOKEN_NONE, NULL}; static const Operator OPERATORS[] = { {"!", 1, 1, OPERATOR_UNARY, OPERATOR_RIGHT}, {"~", 1, 1, OPERATOR_UNARY, OPERATOR_RIGHT}, {"*", 1, 2, OPERATOR_BINARY, OPERATOR_LEFT}, {"/", 1, 2, OPERATOR_BINARY, OPERATOR_LEFT}, {"%", 1, 2, OPERATOR_BINARY, OPERATOR_LEFT}, {"+", 1, 3, OPERATOR_BINARY, OPERATOR_LEFT}, {"-", 1, 3, OPERATOR_BINARY, OPERATOR_LEFT}, {">>", 2, 4, OPERATOR_BINARY, OPERATOR_LEFT}, {"<<", 2, 4, OPERATOR_BINARY, OPERATOR_LEFT}, {"&", 1, 5, OPERATOR_BINARY, OPERATOR_LEFT}, {"^", 1, 5, OPERATOR_BINARY, OPERATOR_LEFT}, {"|", 1, 6, OPERATOR_BINARY, OPERATOR_LEFT}, {"(", 1, 7, OPERATOR_OTHER, OPERATOR_NONE} }; // Returns an array of tokens extracted from the expression. The array is // terminated by a token with type `TOKEN_NONE`. static Token *tokenize(const char *expression); // Parses a tokenized expression. static Status parse(const Token *tokens, Stack **operands, Stack **operators, Stack **functions); // Pushes an operator to the stack after applying operators with a higher // precedence. static Status push_operator(const Operator *operator, Stack **operands, Stack **operators); // Pushes the multiplication operator to the stack. static Status push_multiplication(Stack **operands, Stack **operators); // Allocates memory for a double and pushes it to the stack. static void push_num(uint64_t x, Stack **operands); // Pops a double from the stack, frees its memory and returns its value. static uint64_t pop_num(Stack **operands); // Converts a string into a number and pushes it to the stack. static Status push_number(const char *value, Stack **operands); // Converts a constant identifier into its value and pushes it to the stack. static Status push_constant(const char *value, Stack **operands); // Applies an operator to the top one or two operands, depending on if the // operator is unary or binary. static Status apply_operator(const Operator *operator, Stack **operands); // Applies a unary operator to the top operand. static Status apply_unary_operator(const Operator *operator, Stack **operands); // Applies a function to the top operand. static Status apply_function(const char *function, Stack **operands); // Returns the arity of an operator, using the previous token for context. static OperatorArity get_arity(char *symbol, const Token *previous); // Returns a matching operator. static const Operator *get_operator(char *symbol, OperatorArity arity); Status shunting_yard(const char *expression, uint64_t *result) { Token *tokens = tokenize(expression); Stack *operands = NULL, *operators = NULL, *functions = NULL; Status status = parse(tokens, &operands, &operators, &functions); if (operands) *result = pop_num(&operands); else if (status == STATUS_OK) status = ERROR_NO_INPUT; for (Token *token = tokens; token->type != TOKEN_NONE; token++) free(token->value); free(tokens); while (operands) pop_num(&operands); while (operators) stack_pop(&operators); while (functions) stack_pop(&functions); return status; } #define MAX_TOKEN_SIZE 64 Token *tokenize(const char *expression) { int length = 0; Token *tokens = malloc(sizeof * tokens); const char *c = expression; while (*c) { char cur_token[MAX_TOKEN_SIZE]; Token token = {TOKEN_UNKNOWN, NULL}; if (*c == '(') token.type = TOKEN_OPEN_PARENTHESIS; else if (*c == ')') token.type = TOKEN_CLOSE_PARENTHESIS; else if (!strncmp("<<", c, 2) || !strncmp(">>", c, 2)) { token.type = TOKEN_OPERATOR; token.value = strndup(c, 2); } else if (strchr("~!^*/%+-|&", *c)) { token.type = TOKEN_OPERATOR; token.value = strndup(c, 1); } else if (!strncmp("bit", c, 3) || !strncmp("BIT", c, 3)) { token.value = strndup(c, 3); token.type = TOKEN_IDENTIFIER; } else if (sscanf(c, "%[xX0-9a-fA-F.]", cur_token)) { token.type = TOKEN_NUMBER; token.value = strdup(cur_token); } else if (sscanf(c, "%[A-Za-z$]", cur_token)) { token.type = TOKEN_IDENTIFIER; token.value = strdup(cur_token); } if (!isspace(*c)) { tokens = realloc(tokens, sizeof * tokens * (++length + 1)); tokens[length - 1] = token; } c += token.value ? strlen(token.value) : 1; } tokens[length] = NO_TOKEN; return tokens; } Status parse(const Token *tokens, Stack **operands, Stack **operators, Stack **functions) { Status status = STATUS_OK; for (const Token *token = tokens, *previous = &NO_TOKEN, *next = token + 1; token->type != TOKEN_NONE; previous = token, token = next++) { switch (token->type) { case TOKEN_OPEN_PARENTHESIS: // Implicit multiplication: "(2)(2)". if (previous->type == TOKEN_CLOSE_PARENTHESIS) status = push_multiplication(operands, operators); stack_push(operators, get_operator("(", OPERATOR_OTHER)); break; case TOKEN_CLOSE_PARENTHESIS: { // Apply operators until the previous open parenthesis is found. bool found_parenthesis = false; while (*operators && status == STATUS_OK && !found_parenthesis) { const Operator *operator = stack_pop(operators); if (!strncmp(operator->symbol, "(", 1)) found_parenthesis = true; else status = apply_operator(operator, operands); } if (!found_parenthesis) status = ERROR_CLOSE_PARENTHESIS; else if (*functions) status = apply_function(stack_pop(functions), operands); break; } case TOKEN_OPERATOR: status = push_operator( get_operator(token->value, get_arity(token->value, previous)), operands, operators); break; case TOKEN_NUMBER: if (previous->type == TOKEN_CLOSE_PARENTHESIS || previous->type == TOKEN_NUMBER || previous->type == TOKEN_IDENTIFIER) status = ERROR_SYNTAX; else { status = push_number(token->value, operands); // Implicit multiplication: "2(2)" or "2a". if (next->type == TOKEN_OPEN_PARENTHESIS || next->type == TOKEN_IDENTIFIER) status = push_multiplication(operands, operators); } break; case TOKEN_IDENTIFIER: // The identifier could be either a constant or function. status = push_constant(token->value, operands); if ((status == ERROR_UNDEFINED_CONSTANT) && (next->type == TOKEN_OPEN_PARENTHESIS)) { stack_push(functions, token->value); status = STATUS_OK; } else if (next->type == TOKEN_OPEN_PARENTHESIS || next->type == TOKEN_IDENTIFIER) { // Implicit multiplication: "a(2)" or "a b". status = push_multiplication(operands, operators); } break; default: status = ERROR_UNRECOGNIZED; } if (status != STATUS_OK) return status; } // Apply all remaining operators. while (*operators && status == STATUS_OK) { const Operator *operator = stack_pop(operators); if (!strncmp(operator->symbol, "(", 1)) status = ERROR_OPEN_PARENTHESIS; else status = apply_operator(operator, operands); } return status; } Status push_operator(const Operator *operator, Stack **operands, Stack **operators) { if (!operator) return ERROR_SYNTAX; Status status = STATUS_OK; while (*operators && status == STATUS_OK) { const Operator *stack_operator = stack_top(*operators); if (operator->arity == OPERATOR_UNARY || operator->precedence < stack_operator->precedence || (operator->associativity == OPERATOR_RIGHT && operator->precedence == stack_operator->precedence)) break; status = apply_operator(stack_pop(operators), operands); } stack_push(operators, operator); return status; } Status push_multiplication(Stack **operands, Stack **operators) { return push_operator(get_operator("*", OPERATOR_BINARY), operands, operators); } void push_num(uint64_t x, Stack **operands) { uint64_t *pointer = malloc(sizeof * pointer); *pointer = x; stack_push(operands, pointer); } uint64_t pop_num(Stack **operands) { const uint64_t *pointer = stack_pop(operands); uint64_t x = *pointer; free((void *)pointer); return x; } Status push_number(const char *value, Stack **operands) { uint64_t x; if (parse_input(value, &x)) return ERROR_SYNTAX; push_num(x, operands); return STATUS_OK; } Status push_constant(const char *value, Stack **operands) { uint64_t x; if (strncmp(value, "$", 1) == 0) x = g_val; else return ERROR_UNDEFINED_CONSTANT; push_num(x, operands); return STATUS_OK; } Status apply_operator(const Operator *operator, Stack **operands) { if (!operator || !*operands) return ERROR_SYNTAX; if (operator->arity == OPERATOR_UNARY) return apply_unary_operator(operator, operands); uint64_t y = pop_num(operands); if (!*operands) return ERROR_SYNTAX; uint64_t x = pop_num(operands); Status status = STATUS_OK; switch (*operator->symbol) { case '*': x = x * y; break; case '/': x = x / y; break; case '%': x = x % y; break; case '+': x = x + y; break; case '-': x = x - y; break; case '>': x = x >> y; break; case '<': x = x << y; break; case '|': x = x | y; break; case '&': x = x & y; break; case '^': x = x ^ y; break; default: return ERROR_UNRECOGNIZED; } push_num(x, operands); return status; } Status apply_unary_operator(const Operator *operator, Stack **operands) { uint64_t x = pop_num(operands); switch (*operator->symbol) { case '+': break; case '-': x = -x; break; case '~': x = ~x; break; case '!': x = !x; break; default: return ERROR_UNRECOGNIZED; } push_num(x, operands); return STATUS_OK; } Status apply_function(const char *function, Stack **operands) { if (!*operands) return ERROR_FUNCTION_ARGUMENTS; uint64_t x = pop_num(operands); if (strcasecmp(function, "bit") == 0) x = 1 << x; else return ERROR_UNDEFINED_FUNCTION; push_num(x, operands); return STATUS_OK; } OperatorArity get_arity(char *symbol, const Token *previous) { if (*symbol == '!' || previous->type == TOKEN_NONE || previous->type == TOKEN_OPEN_PARENTHESIS || (previous->type == TOKEN_OPERATOR && *previous->value != '!')) return OPERATOR_UNARY; return OPERATOR_BINARY; } const Operator *get_operator(char *symbol, OperatorArity arity) { for (size_t i = 0; i < sizeof OPERATORS / sizeof OPERATORS[0]; i++) { if (!strncmp(OPERATORS[i].symbol, symbol, OPERATORS[i].op_len) && OPERATORS[i].arity == arity) return &OPERATORS[i]; } LOG("couldn't find %s operator\n", symbol); return NULL; } bitwise-v0.43/src/main.c0000664000175100017510000001326414137727742012124 00000000000000/* Copyright 2019 * Ramon Fried */ #include #include #include #include #include #include #include #include #ifdef HAVE_DECL_BSWAP_32 #include #else #define bswap_32(x) \ ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \ (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) #endif #include "bitwise.h" #include "shunting-yard.h" int print_conversions(uint64_t val, bool si) { char buf_size[16]; char binary[512]; int pos = 0; int i, j; struct in_addr ip_addr; buf_size[0] = '\0'; sprintf_size(val, buf_size, si); printf("%sUnsigned decimal: %s%" PRIu64 "\n", color_green, color_blue, val); switch (g_width) { case 64: printf("%sSigned decimal: %s%" PRId64 "\n", color_green, color_blue, (int64_t)val); break; case 32: printf("%sSigned decimal: %s%" PRId32 "\n", color_green, color_blue, (int32_t)val); break; case 16: printf("%sSigned decimal: %s%" PRId16 "\n", color_green, color_blue, (int16_t)val); break; case 8: printf("%sSigned decimal: %s%" PRId8 "\n", color_green, color_blue, (int8_t)val); break; default: break; } printf("%sHexadecimal: %s0x%" PRIx64 "\n", color_green, color_blue, val); printf("%sOctal: %s0%" PRIo64 "\n", color_green, color_blue, val); if (buf_size[0]) printf("%sHuman: %s%s\n", color_green, color_blue, buf_size); if (g_width < 64) printf("%sRadix64: %s%s\n", color_green, color_blue, l64a(val)); if (val >= UINT_MAX) { printf("%sIPv4: %s%s\n", color_green, color_blue, "Value to big to be a valid IPv4 address"); } else { ip_addr.s_addr = val; printf("%sIPv4 (Network byte order - Big): %s %s\n", color_green, color_blue, inet_ntoa(ip_addr)); ip_addr.s_addr = bswap_32(val); printf("%sIPv4 (Reverwsed byte order - Little): %s %s\n", color_green, color_blue, inet_ntoa(ip_addr)); } printf("%sASCII: %s", color_green, color_blue); for (i = sizeof(uint64_t) - 1; i >= 0; i--) { char c = ((char *)&val)[i]; if (isgraph(c)) printf("%s%c", color_blue, c); else printf("%s.", color_white); } printf("\n%sBinary:\n%s", color_green, color_reset); for (i = g_width; i > 0; i--) { if ((i % 8 == 0) && (i != g_width)) { pos += sprintf(&binary[pos], "%s", color_white); binary[pos] = '|'; binary[pos + 1] = ' '; pos += 2; } if (val & BIT(i - 1)) { pos += sprintf(&binary[pos], "%s", color_blue); binary[pos] = '1'; } else { pos += sprintf(&binary[pos], "%s", color_magenta); binary[pos] = '0'; } binary[pos + 1] = ' '; pos += 2; } binary[pos-1] = '\0'; printf("%s\n ", binary); fputs(color_cyan, stdout); for (i = 0; i < g_width / 8; i++) { printf("%2d - %2d", g_width - 1 - (i * 8), (g_width - 8) - (i * 8)); if (i != (g_width / 8) - 1) for (j = 0; j < 11; j++) putchar(' '); } printf("\n"); puts(color_reset); return 0; } static void print_version(void) { printf(PACKAGE " " VERSION "\n"); } static void print_help(FILE *out) { fprintf(out, "Usage: bitwise [OPTION...] [expression]\n\n"); fprintf(out, "[expression] mathematical expression\n\n"); fprintf(out, " -i, --interactive\t Load interactive mode (default if no input)\n"); fprintf(out, " -w, --width[b|w|l|d]\t Set bit width (default: l)\n"); fprintf(out, " -h, --help\t\t Display this help and exit\n"); fprintf(out, " -v, --version\t\t Output version information and exit\n"); fprintf(out, " -s, --si\t\t Print size according to SI standard. (default: IEC standard)\n"); fprintf(out, " --no-color\t Start without color support\n\n"); } int main(int argc, char *argv[]) { int c; char width; int interactive = 0; uint64_t val = 0; int rc; bool si = false; #ifdef TRACE fd = fopen("log.txt", "w"); #endif setlocale(LC_ALL, ""); while (1) { static struct option long_options[] = { {"no-color", no_argument, &g_has_color, 0}, {"version", no_argument, 0, 'v'}, {"help", no_argument, 0, 'h'}, {"interactive", no_argument, 0, 'i'}, {"si", no_argument, 0, 's'}, {"width", required_argument, 0, 'w'}, {0, 0, 0, 0} }; int option_index = 0; c = getopt_long(argc, argv, "vhisw:", long_options, &option_index); if (c == -1) break; switch (c) { case 0: break; case 'v': print_version(); exit(EXIT_SUCCESS); case 'h': print_help(stdout); exit(EXIT_SUCCESS); case 'i': interactive = 1; break; case 's': si = true; break; case 'w': width = *optarg; if (!set_width(width)) break; fprintf(stderr, "Unsupported width size: accepted values are: [b|w|l|d]\n"); // fall through case '?': default: print_help(stderr); exit(EXIT_FAILURE); } } init_colors(); if (optind < argc) { // non-interactive mode uint32_t expr_len = argc - optind; // account for ' ' between args for (int i = optind; i < argc; i++) expr_len += strlen(argv[i]); char *expression = malloc(sizeof(char) * expr_len); if (expression == NULL) { fprintf(stderr, "Error parsing arguments"); exit(EXIT_FAILURE); } uint32_t expr_pos = 0; for (int i = optind; i < argc; i++) { strncpy(&expression[expr_pos], argv[i], expr_len - expr_pos); expr_pos += strlen(argv[i]); expression[expr_pos++] = ' '; } expression[expr_pos - 1] = '\0'; rc = shunting_yard(expression, &val); if (rc) { fprintf(stderr, "Couldn't parse expression: %s\n", expression); print_help(stderr); exit(EXIT_FAILURE); } free(expression); if (!g_width) set_width_by_val(val); val &= MASK(g_width); if (!interactive) return print_conversions(val, si); } if (!g_width) g_width = 32; start_interactive(val); #ifdef TRACE fclose(fd); #endif return 0; } bitwise-v0.43/Makefile.am0000664000175100017510000000145014137727742012273 00000000000000bin_PROGRAMS=bitwise bitwise_SOURCES= src/main.c src/misc.c \ src/interactive.c src/cmd.c \ src/stack.c src/shunting-yard.c \ src/help.c inc/bitwise.h inc/stack.h \ inc/shunting-yard.h dist_man_MANS=bitwise.1 if COND_GCOV MAYBE_COVERAGE=--coverage --no-inline endif if COND_TRACE MAYBE_TRACE=-DTRACE endif if COND_DEBUG MAYBE_DEBUG=-g -O0 endif AM_CFLAGS = $(MAYBE_COVERAGE) $(MAYBE_DEBUG) $(MAYBE_TRACE) check_PROGRAMS = tests/test-shunting-yard tests_test_shunting_yard_SOURCES = src/shunting-yard.c inc/shunting-yard.h \ src/stack.c inc/stack.h inc/bitwise.h \ src/misc.c \ tests/test-shunting-yard.c tests_test_shunting_yard_LDADD = -lcunit TESTS = $(check_PROGRAMS) clean-local: rm -f *.gcno