X-Git-Url: http://git.refcnt.org/?a=blobdiff_plain;f=colorize.c;h=30d03bc1d1c3e65733f5bf8fc380b2f926c8a2f0;hb=32458f1006aa98c549909ebcdd731dec08f0c474;hp=3c87727adbb9557118fb19b3f871b67a4752ebec;hpb=3670d233d1dd376d13ad73f14212cc83d5a4ecbf;p=colorize.git diff --git a/colorize.c b/colorize.c index 3c87727..30d03bc 100644 --- a/colorize.c +++ b/colorize.c @@ -2,7 +2,7 @@ * colorize - Read text from standard input stream or file and print * it colorized through use of ANSI escape sequences * - * Copyright (c) 2011-2013 Steven Schubiger + * Copyright (c) 2011-2014 Steven Schubiger * * 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 @@ -19,7 +19,8 @@ * */ -#define _POSIX_C_SOURCE 200809L +#define _BSD_SOURCE +#define _XOPEN_SOURCE 700 #include #include #include @@ -43,20 +44,20 @@ #define streq(s1, s2) (strcmp (s1, s2) == 0) -#if DEBUG -# define xmalloc(size) malloc_wrap_debug(size, __FILE__, __LINE__) -# define xcalloc(nmemb, size) calloc_wrap_debug(nmemb, size, __FILE__, __LINE__) -# define xrealloc(ptr, size) realloc_wrap_debug(ptr, size, __FILE__, __LINE__) -#else +#if !DEBUG # define xmalloc(size) malloc_wrap(size) # define xcalloc(nmemb, size) calloc_wrap(nmemb, size) # define xrealloc(ptr, size) realloc_wrap(ptr, size) +#else +# define xmalloc(size) malloc_wrap_debug(size, __FILE__, __LINE__) +# define xcalloc(nmemb, size) calloc_wrap_debug(nmemb, size, __FILE__, __LINE__) +# define xrealloc(ptr, size) realloc_wrap_debug(ptr, size, __FILE__, __LINE__) #endif #define free_null(ptr) free_wrap((void **)&ptr) #define xstrdup(str) strdup_wrap(str) -#if BUF_SIZE <= 0 +#if BUF_SIZE <= 0 || BUF_SIZE > 65536 # undef BUF_SIZE #endif #ifndef BUF_SIZE @@ -68,6 +69,8 @@ #define SKIP_LINE_ENDINGS(flags) (((flags) & CR) && ((flags) & LF) ? 2 : 1) +#define VALID_FILE_TYPE(mode) (S_ISREG (mode) || S_ISLNK (mode) || S_ISFIFO (mode)) + #define STACK_VAR(ptr) do { \ stack_var (&vars_list, &stacked_vars, stacked_vars, ptr); \ } while (false) @@ -76,14 +79,17 @@ release_var (vars_list, stacked_vars, (void **)&ptr); \ } while (false) -#define MEM_ALLOC_FAIL_DEBUG(file, line) do { \ - fprintf (stderr, "Memory allocation failure in source file %s, line %u\n", file, line); \ - exit (2); \ -} while (false) -#define MEM_ALLOC_FAIL() do { \ +#if !DEBUG +# define MEM_ALLOC_FAIL() do { \ fprintf (stderr, "%s: memory allocation failure\n", program_name); \ exit (2); \ } while (false) +#else +# define MEM_ALLOC_FAIL_DEBUG(file, line) do { \ + fprintf (stderr, "Memory allocation failure in source file %s, line %u\n", file, line); \ + exit (2); \ +} while (false) +#endif #define ABORT_TRACE() \ fprintf (stderr, "Aborting in source file %s, line %u\n", __FILE__, __LINE__); \ @@ -96,11 +102,9 @@ #define COLOR_SEP_CHAR '/' -#define VERSION "0.52" +#define VERSION "0.54" -typedef unsigned short bool; - -enum { false, true }; +typedef enum { false, true } bool; struct color_name { char *name; @@ -121,8 +125,8 @@ static const struct color fg_colors[] = { { "green", "32m" }, { "yellow", "33m" }, { "blue", "34m" }, - { "cyan", "35m" }, - { "magenta", "36m" }, + { "magenta", "35m" }, + { "cyan", "36m" }, { "white", "37m" }, { "default", "39m" }, }; @@ -133,25 +137,36 @@ static const struct color bg_colors[] = { { "green", "42m" }, { "yellow", "43m" }, { "blue", "44m" }, - { "cyan", "45m" }, - { "magenta", "46m" }, + { "magenta", "45m" }, + { "cyan", "46m" }, { "white", "47m" }, { "default", "49m" }, }; +struct bytes_size { + unsigned int size; + char unit; +}; + enum fmts { FMT_GENERIC, + FMT_STRING, + FMT_QUOTE, FMT_COLOR, FMT_RANDOM, FMT_ERROR, - FMT_FILE + FMT_FILE, + FMT_TYPE }; static const char *formats[] = { "%s", /* generic */ + "%s '%s'", /* string */ + "%s `%s' %s", /* quote */ "%s color '%s' %s", /* color */ "%s color '%s' %s '%s'", /* random */ "less than %u bytes %s", /* error */ "%s: %s", /* file */ + "%s: %s: %s", /* type */ }; enum { FOREGROUND, BACKGROUND }; @@ -177,6 +192,7 @@ static char *exclude = NULL; static const char *program_name; +static void print_hint (void); static void print_help (void); static void print_version (void); static void cleanup (void); @@ -189,15 +205,20 @@ static void find_color_entry (const struct color_name *, unsigned int, const str static void print_line (bool, const struct color **, const char * const, unsigned int); static void print_clean (const char *); static void print_free_offsets (const char *, char ***, unsigned int); +#if !DEBUG static void *malloc_wrap (size_t); static void *calloc_wrap (size_t, size_t); static void *realloc_wrap (void *, size_t); +#else static void *malloc_wrap_debug (size_t, const char *, unsigned int); static void *calloc_wrap_debug (size_t, size_t, const char *, unsigned int); static void *realloc_wrap_debug (void *, size_t, const char *, unsigned int); +#endif static void free_wrap (void **); static char *strdup_wrap (const char *); static char *str_concat (const char *, const char *); +static bool get_bytes_size (unsigned long, struct bytes_size *); +static char *get_file_type (mode_t); static bool has_color_name (const char *, const char *); static void vfprintf_diag (const char *, ...); static void vfprintf_fail (const char *, ...); @@ -212,6 +233,8 @@ static void release_var (void **, unsigned int, void **); extern char *optarg; extern int optind; +static int opt_type = 0; + int main (int argc, char **argv) { @@ -225,7 +248,7 @@ main (int argc, char **argv) OPT_VERSION }; - int opt, opt_type = 0; + int opt; struct option long_opts[] = { { "clean", no_argument, &opt_type, OPT_CLEAN }, { "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL }, @@ -296,7 +319,7 @@ main (int argc, char **argv) case 'v': SET_OPT_TYPE (OPT_VERSION); case '?': - print_help (); + print_hint (); exit (EXIT_FAILURE); default: /* never reached */ ABORT_TRACE (); @@ -323,8 +346,8 @@ main (int argc, char **argv) { if (arg_cnt == 0 || arg_cnt > 2) { - vfprintf_diag ("%u arguments provided, expected 1-2 arguments or option", arg_cnt); - print_help (); + vfprintf_diag ("%u arguments provided, expected 1-2 arguments or clean option", arg_cnt); + print_hint (); exit (EXIT_FAILURE); } } @@ -340,6 +363,12 @@ main (int argc, char **argv) exit (EXIT_SUCCESS); } +static void +print_hint (void) +{ + fprintf (stderr, "Type `%s --help' for help screen.\n", program_name); +} + static void print_help (void) { @@ -374,15 +403,40 @@ print_help (void) static void print_version (void) { +#ifdef HAVE_VERSION +# include "version.h" +#else + const char *version = NULL; +#endif const char *c_flags; - printf ("%s v%s (compiled at %s, %s)\n", "colorize", VERSION, __DATE__, __TIME__); + struct bytes_size bytes_size; + bool debug; #ifdef CFLAGS c_flags = to_str (CFLAGS); #else c_flags = "unknown"; #endif +#if DEBUG + debug = true; +#else + debug = false; +#endif + if (version) + printf ("colorize %s (compiled at %s, %s)\n", version, __DATE__, __TIME__); + else + printf ("colorize v%s (compiled at %s, %s)\n", VERSION, __DATE__, __TIME__); printf ("Compiler flags: %s\n", c_flags); - printf ("Buffer size: %u bytes\n", BUF_SIZE); + if (get_bytes_size (BUF_SIZE, &bytes_size)) + { + if (BUF_SIZE % 1024 == 0) + printf ("Buffer size: %u%c\n", bytes_size.size, bytes_size.unit); + else + printf ("Buffer size: %u%c, %u byte%s\n", bytes_size.size, bytes_size.unit, + BUF_SIZE % 1024, BUF_SIZE % 1024 > 1 ? "s" : ""); + } + else + printf ("Buffer size: %lu byte%s\n", (unsigned long)BUF_SIZE, BUF_SIZE > 1 ? "s" : ""); + printf ("Debugging: %s\n", debug ? "yes" : "no"); } static void @@ -437,7 +491,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceeded by color string"); } - ret = stat (color_string, &sb); + ret = lstat (color_string, &sb); /* Ensure that we don't fail if there's a file with one or more color names in its path. */ @@ -446,6 +500,7 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct bool have_file; unsigned int c; const char *color = color_string; + const mode_t mode = sb.st_mode; for (c = 1; c <= 2 && *color; c++) { @@ -476,21 +531,27 @@ process_args (unsigned int arg_cnt, char **arg_strings, bool *bold, const struct if (have_file) { + const char *file_exists = color_string; if (file_string) - vfprintf_fail (formats[FMT_GENERIC], "file cannot be used as color string"); + vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "cannot be used as color string"); else - vfprintf_fail (formats[FMT_GENERIC], "file must be preceeded by color string"); + { + if (VALID_FILE_TYPE (mode)) + vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "must be preceeded by color string"); + else + vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_exists, "is not a valid file type"); + } } } if ((p = strchr (color_string, COLOR_SEP_CHAR))) { if (p == color_string) - vfprintf_fail (formats[FMT_GENERIC], "foreground color missing"); + vfprintf_fail (formats[FMT_STRING], "foreground color missing in string", color_string); else if (p == color_string + strlen (color_string) - 1) - vfprintf_fail (formats[FMT_GENERIC], "background color missing"); + vfprintf_fail (formats[FMT_STRING], "background color missing in string", color_string); else if (strchr (++p, COLOR_SEP_CHAR)) - vfprintf_fail (formats[FMT_GENERIC], "one color pair allowed only"); + vfprintf_fail (formats[FMT_STRING], "one color pair allowed only for string", color_string); } str = xstrdup (color_string); @@ -589,16 +650,16 @@ process_file_arg (const char *file_string, const char **file, FILE **stream) FILE *s; const char *file = file_string; struct stat sb; - int errno, ret; + int ret; errno = 0; - ret = stat (file, &sb); + ret = lstat (file, &sb); if (ret == -1) vfprintf_fail (formats[FMT_FILE], file, strerror (errno)); - if (!(S_ISREG (sb.st_mode) || S_ISLNK (sb.st_mode) || S_ISFIFO (sb.st_mode))) - vfprintf_fail (formats[FMT_FILE], file, "unrecognized file type"); + if (!VALID_FILE_TYPE (sb.st_mode)) + vfprintf_fail (formats[FMT_TYPE], file, "unrecognized type", get_file_type (sb.st_mode)); errno = 0; @@ -911,6 +972,7 @@ print_free_offsets (const char *line, char ***offsets, unsigned int count) free_null (offsets); } +#if !DEBUG static void * malloc_wrap (size_t size) { @@ -937,7 +999,7 @@ realloc_wrap (void *ptr, size_t size) MEM_ALLOC_FAIL (); return p; } - +#else static void * malloc_wrap_debug (size_t size, const char *file, unsigned int line) { @@ -964,6 +1026,7 @@ realloc_wrap_debug (void *ptr, size_t size, const char *file, unsigned int line) MEM_ALLOC_FAIL_DEBUG (file, line); return p; } +#endif /* !DEBUG */ static void free_wrap (void **ptr) @@ -997,6 +1060,45 @@ str_concat (const char *str1, const char *str2) return str; } +static bool +get_bytes_size (unsigned long bytes, struct bytes_size *bytes_size) +{ + const char *unit, units[] = { '0', 'K', 'M', 'G', '\0' }; + unsigned long size = bytes; + if (bytes < 1024) + return false; + unit = units; + while (size >= 1024 && *(unit + 1)) + { + size /= 1024; + unit++; + } + bytes_size->size = (unsigned int)size; + bytes_size->unit = *unit; + return true; +} + +static char * +get_file_type (mode_t mode) +{ + if (S_ISREG (mode)) + return "file"; + else if (S_ISDIR (mode)) + return "directory"; + else if (S_ISCHR (mode)) + return "character device"; + else if (S_ISBLK (mode)) + return "block device"; + else if (S_ISFIFO (mode)) + return "named pipe"; + else if (S_ISLNK (mode)) + return "symbolic link"; + else if (S_ISSOCK (mode)) + return "socket"; + else + return "file"; +} + static bool has_color_name (const char *str, const char *name) {