* 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) 2011-2017 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
*
*/
-#define _POSIX_SOURCE
+#define _DEFAULT_SOURCE
+#define _BSD_SOURCE
+#define _XOPEN_SOURCE 700
+#define _FILE_OFFSET_BITS 64
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#define to_str(arg) str(arg)
#define streq(s1, s2) (strcmp (s1, s2) == 0)
-
-#define vfprintf_fail(fmt, ...) vfprintf_name(true, fmt, __VA_ARGS__)
-#define vfprintf_diag(fmt, ...) vfprintf_name(false, fmt, __VA_ARGS__)
-
-#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__)
+#define strneq(s1, s2, n) (strncmp (s1, s2, n) == 0)
+
+#if !DEBUG
+# define xmalloc(size) malloc_wrap(size)
+# define xcalloc(nmemb, size) calloc_wrap(nmemb, size)
+# define xrealloc(ptr, size) realloc_wrap(ptr, size)
+# define xstrdup(str) strdup_wrap(str, NULL, 0)
+# define str_concat(str1, str2) str_concat_wrap(str1, str2, NULL, 0)
#else
-# define xmalloc(size) malloc_wrap(size)
-# define xcalloc(nmemb, size) calloc_wrap(nmemb, size)
-# define xrealloc(ptr, size) realloc_wrap(ptr, size)
+# 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__)
+# define xstrdup(str) strdup_wrap(str, __FILE__, __LINE__)
+# define str_concat(str1, str2) str_concat_wrap(str1, str2, __FILE__, __LINE__)
#endif
#define free_null(ptr) free_wrap((void **)&ptr)
-#define xstrdup(str) strdup_wrap(str)
-#if !defined BUF_SIZE || BUF_SIZE <= 0
+#if defined(BUF_SIZE) && (BUF_SIZE <= 0 || BUF_SIZE > 65536)
# undef BUF_SIZE
-# define BUF_SIZE 4096 + 1
+#endif
+#ifndef BUF_SIZE
+# define BUF_SIZE 4096
#endif
#define LF 0x01
#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);
+} while (false)
#define RELEASE_VAR(ptr) do { \
release_var (vars_list, stacked_vars, (void **)&ptr); \
-} while (false);
+} 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);
+ exit (EXIT_FAILURE); \
+} 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 (EXIT_FAILURE); \
+} while (false)
+#endif
#define ABORT_TRACE() \
fprintf (stderr, "Aborting in source file %s, line %u\n", __FILE__, __LINE__); \
&& (streq (color_names[color2]->name, "none") \
|| streq (color_names[color2]->name, "default")) \
-#define COLOR_SEP_CHAR '/'
+#define ALLOC_COMPLETE_PART_LINE 8
-#define VERSION "0.50"
+#if defined(COLOR_SEP_CHAR_COLON)
+# define COLOR_SEP_CHAR ':'
+#elif defined(COLOR_SEP_CHAR_SLASH)
+# define COLOR_SEP_CHAR '/'
+#else
+# define COLOR_SEP_CHAR '/'
+#endif
-typedef unsigned short bool;
+#define DEBUG_FILE "debug.txt"
-enum { false, true };
+#define MAX_ATTRIBUTE_CHARS (5 * 2)
+
+#define VERSION "0.61"
+
+typedef enum { false, true } bool;
struct color_name {
char *name;
char *orig;
};
-static struct color_name *color_names[3] = { NULL, NULL, NULL };
-
struct color {
const char *name;
const char *code;
{ "green", "32m" },
{ "yellow", "33m" },
{ "blue", "34m" },
- { "cyan", "35m" },
- { "magenta", "36m" },
+ { "magenta", "35m" },
+ { "cyan", "36m" },
{ "white", "37m" },
{ "default", "39m" },
};
{ "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 color '%s' %s", /* color */
- "%s color '%s' %s '%s'", /* random */
- "less than %u bytes %s", /* error */
- "%s: %s", /* file */
+ "%s", /* generic */
+ "%s '%s'", /* string */
+ "%s `%s' %s", /* quote */
+ "%s color '%s' %s", /* color */
+ "%s color '%s' %s '%s'", /* random */
+ "less than %lu bytes %s", /* error */
+ "%s: %s", /* file */
+ "%s: %s: %s", /* type */
};
-enum { FOREGROUND, BACKGROUND };
+enum { GENERIC, FOREGROUND = 0, BACKGROUND };
static const struct {
struct color const *entries;
{ bg_colors, sizeof (bg_colors) / sizeof (struct color), "background" },
};
-static FILE *stream = NULL;
+enum {
+ OPT_ATTR = 1,
+ OPT_CLEAN,
+ OPT_CLEAN_ALL,
+ OPT_EXCLUDE_RANDOM,
+ OPT_HELP,
+ OPT_VERSION
+};
+static int opt_type;
+static const struct option long_opts[] = {
+ { "attr", required_argument, &opt_type, OPT_ATTR },
+ { "clean", no_argument, &opt_type, OPT_CLEAN },
+ { "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL },
+ { "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM },
+ { "help", no_argument, &opt_type, OPT_HELP },
+ { "version", no_argument, &opt_type, OPT_VERSION },
+ { NULL, 0, NULL, 0 },
+};
+
+enum attr_type {
+ ATTR_BOLD = 0x01,
+ ATTR_UNDERSCORE = 0x02,
+ ATTR_BLINK = 0x04,
+ ATTR_REVERSE = 0x08,
+ ATTR_CONCEALED = 0x10
+};
+struct attr {
+ const char *name;
+ unsigned int val;
+ enum attr_type type;
+};
+
+static FILE *stream;
+#if DEBUG
+static FILE *log;
+#endif
-static unsigned int stacked_vars = 0;
-static void **vars_list = NULL;
+static unsigned int stacked_vars;
+static void **vars_list;
-static bool clean = false;
-static bool clean_all = false;
+static bool clean;
+static bool clean_all;
-static char *exclude = NULL;
+static char attr[MAX_ATTRIBUTE_CHARS + 1];
+static char *exclude;
static const char *program_name;
+static void process_opts (int, char **);
+static void process_opt_attr (const char *);
+static void write_attr (const struct attr *, unsigned int *);
+static void print_hint (void);
static void print_help (void);
static void print_version (void);
static void cleanup (void);
static void free_color_names (struct color_name **);
-static void process_options (unsigned int, char **, bool *, const struct color **, const char **, FILE **);
-static void process_file_option (const char *, const char **, FILE **);
-static void read_print_stream (bool, const struct color **, const char *, FILE *);
+static void process_args (unsigned int, char **, char *, const struct color **, const char **, FILE **);
+static void process_file_arg (const char *, const char **, FILE **);
+static void skip_path_colors (const char *, const char *, const struct stat *);
+static void gather_color_names (const char *, char *, struct color_name **);
+static void read_print_stream (const char *, const struct color **, const char *, FILE *);
+static void merge_print_line (const char *, const char *, FILE *);
+static void complete_part_line (const char *, char **, FILE *);
+static bool get_next_char (char *, const char **, FILE *, bool *);
+static void save_char (char, char **, size_t *, size_t *);
static void find_color_entries (struct color_name **, const struct color **);
-static void find_color_entry (const char *const, unsigned int, const struct color **);
-static void print_line (const struct color **, bool, const char * const, unsigned int);
+static void find_color_entry (const struct color_name *, unsigned int, const struct color **);
+static void print_line (const char *, const struct color **, const char * const, unsigned int);
static void print_clean (const char *);
-static void print_free_offsets (const char *, char ***, unsigned int);
+static bool is_esc (const char *);
+static const char *get_end_of_esc (const char *);
+static const char *get_end_of_text (const char *);
+static void print_text (const char *, size_t);
+static bool gather_esc_offsets (const char *, const char **, const char **);
+static bool validate_esc_clean_all (const char **);
+static bool validate_esc_clean (int, unsigned int, unsigned int *, const char **, bool *);
+static bool is_reset (int, unsigned int, const char **);
+static bool is_attr (int, unsigned int, unsigned int, const char **);
+static bool is_fg_color (int, const char **);
+static bool is_bg_color (int, unsigned int, const char **);
+#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 void vfprintf_name (bool, const char *, ...);
+static char *strdup_wrap (const char *, const char *, unsigned int);
+static char *str_concat_wrap (const char *, const char *, const char *, unsigned int);
+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 FILE *open_file (const char *, const char *);
+static void vfprintf_diag (const char *, ...);
+static void vfprintf_fail (const char *, ...);
static void stack_var (void ***, unsigned int *, unsigned int, void *);
static void release_var (void **, unsigned int, void **);
-#define SET_OPT_TYPE(type) \
- opt_type = type; \
- opt = 0; \
- goto PARSE_OPT; \
-
-extern char *optarg;
extern int optind;
int
main (int argc, char **argv)
{
- unsigned int arg_cnt = 0;
-
- enum {
- OPT_CLEAN = 1,
- OPT_CLEAN_ALL,
- OPT_EXCLUDE_RANDOM,
- OPT_HELP,
- OPT_VERSION
- };
-
- int opt, opt_type = 0;
- struct option long_opts[] = {
- { "clean", no_argument, &opt_type, OPT_CLEAN },
- { "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL },
- { "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM },
- { "help", no_argument, &opt_type, OPT_HELP },
- { "version", no_argument, &opt_type, OPT_VERSION },
- { 0, 0, 0, 0 },
- };
-
- bool bold = false;
+ unsigned int arg_cnt;
const struct color *colors[2] = {
NULL, /* foreground */
NULL, /* background */
};
- const char *file;
+ const char *file = NULL;
program_name = argv[0];
atexit (cleanup);
setvbuf (stdout, NULL, _IOLBF, 0);
- while ((opt = getopt_long (argc, argv, "hv", long_opts, NULL)) != -1)
+#if DEBUG
+ log = open_file (DEBUG_FILE, "w");
+#endif
+
+ attr[0] = '\0';
+
+ process_opts (argc, argv);
+
+ arg_cnt = argc - optind;
+
+ if (clean || clean_all)
+ {
+ if (clean && clean_all)
+ vfprintf_fail (formats[FMT_GENERIC], "--clean and --clean-all switch are mutually exclusive");
+ if (arg_cnt > 1)
+ {
+ const char *format = "%s %s";
+ const char *message = "switch cannot be used with more than one file";
+ if (clean)
+ vfprintf_fail (format, "--clean", message);
+ else if (clean_all)
+ vfprintf_fail (format, "--clean-all", message);
+ }
+ }
+ else
+ {
+ if (arg_cnt == 0 || arg_cnt > 2)
+ {
+ vfprintf_diag ("%u arguments provided, expected 1-2 arguments or clean option", arg_cnt);
+ print_hint ();
+ exit (EXIT_FAILURE);
+ }
+ }
+
+ if (clean || clean_all)
+ process_file_arg (argv[optind], &file, &stream);
+ else
+ process_args (arg_cnt, &argv[optind], &attr[0], colors, &file, &stream);
+ read_print_stream (&attr[0], colors, file, stream);
+
+ RELEASE_VAR (exclude);
+
+ exit (EXIT_SUCCESS);
+}
+
+#define PRINT_HELP_EXIT() \
+ print_help (); \
+ exit (EXIT_SUCCESS); \
+
+#define PRINT_VERSION_EXIT() \
+ print_version (); \
+ exit (EXIT_SUCCESS); \
+
+extern char *optarg;
+
+static void
+process_opts (int argc, char **argv)
+{
+ int opt;
+ while ((opt = getopt_long (argc, argv, "hV", long_opts, NULL)) != -1)
{
- PARSE_OPT:
switch (opt)
{
case 0: /* long opts */
switch (opt_type)
{
+ case OPT_ATTR:
+ process_opt_attr (optarg);
+ break;
case OPT_CLEAN:
clean = true;
break;
clean_all = true;
break;
case OPT_EXCLUDE_RANDOM: {
- char *p;
+ bool valid = false;
+ unsigned int i;
exclude = xstrdup (optarg);
STACK_VAR (exclude);
- for (p = exclude; *p; p++)
- *p = tolower (*p);
- if (streq (exclude, "random"))
- vfprintf_fail (formats[FMT_GENERIC], "--exclude-random switch must be provided a color");
+ for (i = 1; i < tables[GENERIC].count - 1; i++) /* skip color none and default */
+ {
+ const struct color *entry = &tables[GENERIC].entries[i];
+ if (streq (exclude, entry->name))
+ {
+ valid = true;
+ break;
+ }
+ }
+ if (!valid)
+ vfprintf_fail (formats[FMT_GENERIC], "--exclude-random switch must be provided a plain color");
break;
}
case OPT_HELP:
- print_help ();
- exit (EXIT_SUCCESS);
+ PRINT_HELP_EXIT ();
case OPT_VERSION:
- print_version ();
- exit (EXIT_SUCCESS);
+ PRINT_VERSION_EXIT ();
default: /* never reached */
ABORT_TRACE ();
}
break;
case 'h':
- SET_OPT_TYPE (OPT_HELP);
- case 'v':
- SET_OPT_TYPE (OPT_VERSION);
+ PRINT_HELP_EXIT ();
+ case 'V':
+ PRINT_VERSION_EXIT ();
case '?':
- print_help ();
+ print_hint ();
exit (EXIT_FAILURE);
default: /* never reached */
ABORT_TRACE ();
}
}
+}
- arg_cnt = argc - optind;
+static void
+process_opt_attr (const char *p)
+{
+ /* If attributes are added to this "list", also increase MAX_ATTRIBUTE_CHARS! */
+ const struct attr attrs[] = {
+ { "bold", 1, ATTR_BOLD },
+ { "underscore", 4, ATTR_UNDERSCORE },
+ { "blink", 5, ATTR_BLINK },
+ { "reverse", 7, ATTR_REVERSE },
+ { "concealed", 8, ATTR_CONCEALED },
+ };
+ unsigned int attr_types = 0;
- if (clean || clean_all)
- {
- if (clean && clean_all)
- vfprintf_fail (formats[FMT_GENERIC], "--clean and --clean-all switch are mutually exclusive");
- if (arg_cnt > 1)
- {
- const char *format = "%s %s";
- const char *message = "switch cannot be used with more than one file";
- if (clean)
- vfprintf_fail (format, "--clean", message);
- else if (clean_all)
- vfprintf_fail (format, "--clean-all", message);
- }
- }
- else
+ while (*p)
{
- if (arg_cnt == 0 || arg_cnt > 2)
+ const char *s;
+ if (!isalnum (*p))
+ vfprintf_fail (formats[FMT_GENERIC], "--attr switch must be provided a string");
+ s = p;
+ while (isalnum (*p))
+ p++;
+ if (*p != '\0' && *p != ',')
+ vfprintf_fail (formats[FMT_GENERIC], "--attr switch must have strings separated by ,");
+ else
{
- print_help ();
- exit (EXIT_FAILURE);
+ bool valid_attr = false;
+ unsigned int i;
+ for (i = 0; i < sizeof (attrs) / sizeof (struct attr); i++)
+ {
+ const size_t name_len = strlen (attrs[i].name);
+ if ((size_t)(p - s) == name_len && strneq (s, attrs[i].name, name_len))
+ {
+ write_attr (&attrs[i], &attr_types);
+ valid_attr = true;
+ break;
+ }
+ }
+ if (!valid_attr)
+ {
+ char *sep;
+ char *attr_invalid = xstrdup (s);
+ STACK_VAR (attr_invalid);
+ if ((sep = strchr (attr_invalid, ',')))
+ *sep = '\0';
+ vfprintf_fail ("--attr switch attribute '%s' is not valid", attr_invalid);
+ }
}
+ if (*p)
+ p++;
}
+}
- if (clean || clean_all)
- process_file_option (argv[optind], &file, &stream);
- else
- process_options (arg_cnt, &argv[optind], &bold, colors, &file, &stream);
- read_print_stream (bold, colors, file, stream);
-
- RELEASE_VAR (exclude);
+static void
+write_attr (const struct attr *attr_i, unsigned int *attr_types)
+{
+ const unsigned int val = attr_i->val;
+ const enum attr_type attr_type = attr_i->type;
+ const char *attr_name = attr_i->name;
+
+ if (*attr_types & attr_type)
+ vfprintf_fail ("--attr switch has attribute '%s' twice or more", attr_name);
+ snprintf (attr + strlen (attr), 3, "%u;", val);
+ *attr_types |= attr_type;
+}
- exit (EXIT_SUCCESS);
+static void
+print_hint (void)
+{
+ fprintf (stderr, "Type `%s --help' for help screen.\n", program_name);
}
static void
print_help (void)
{
+ struct short_opt {
+ const char *name;
+ const char *short_opt;
+ };
+ const struct short_opt short_opts[] = {
+ { "help", "h" },
+ { "version", "V" },
+ };
+ const struct option *opt = long_opts;
unsigned int i;
printf ("Usage: %s (foreground) OR (foreground)%c(background) OR --clean[-all] [-|file]\n\n", program_name, COLOR_SEP_CHAR);
printf ("\twhereas for lower case colors will be of normal intensity.\n");
printf ("\n\tOptions\n");
- printf ("\t\t --clean\n");
- printf ("\t\t --clean-all\n");
- printf ("\t\t --exclude-random\n");
- printf ("\t\t-h, --help\n");
- printf ("\t\t-v, --version\n\n");
+ for (; opt->name; opt++)
+ {
+ const char *short_opt = NULL;
+ unsigned int i;
+ for (i = 0; i < sizeof (short_opts) / sizeof (struct short_opt); i++)
+ {
+ if (streq (opt->name, short_opts[i].name))
+ {
+ short_opt = short_opts[i].short_opt;
+ break;
+ }
+ }
+ if (short_opt)
+ printf ("\t\t-%s, --%s\n", short_opt, opt->name);
+ else
+ printf ("\t\t --%s\n", opt->name);
+ }
+ printf ("\n");
}
static void
print_version (void)
{
- const char *c_flags;
- printf ("%s v%s (compiled at %s, %s)\n", "colorize", VERSION, __DATE__, __TIME__);
+#ifdef HAVE_VERSION
+# include "version.h"
+#else
+ const char *version = NULL;
+#endif
+ const char *version_prefix, *version_string;
+ const char *c_flags, *ld_flags, *cpp_flags;
+ const char *const desc_flags_unknown = "unknown";
+ struct bytes_size bytes_size;
+ bool debug;
#ifdef CFLAGS
c_flags = to_str (CFLAGS);
#else
- c_flags = "unknown";
+ c_flags = desc_flags_unknown;
+#endif
+#ifdef LDFLAGS
+ ld_flags = to_str (LDFLAGS);
+#else
+ ld_flags = desc_flags_unknown;
#endif
+#ifdef CPPFLAGS
+ cpp_flags = to_str (CPPFLAGS);
+#else
+ cpp_flags = desc_flags_unknown;
+#endif
+#if DEBUG
+ debug = true;
+#else
+ debug = false;
+#endif
+ version_prefix = version ? "" : "v";
+ version_string = version ? version : VERSION;
+ printf ("colorize %s%s (compiled at %s, %s)\n", version_prefix, version_string, __DATE__, __TIME__);
+
printf ("Compiler flags: %s\n", c_flags);
- printf ("Buffer size: %u bytes\n", BUF_SIZE - 1);
+ printf ("Linker flags: %s\n", ld_flags);
+ printf ("Preprocessor flags: %s\n", cpp_flags);
+ 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 ("Color separator: '%c'\n", COLOR_SEP_CHAR);
+ printf ("Debugging: %s\n", debug ? "yes" : "no");
}
static void
cleanup (void)
{
- free_color_names (color_names);
-
if (stream && fileno (stream) != STDIN_FILENO)
fclose (stream);
+#if DEBUG
+ if (log)
+ fclose (log);
+#endif
if (vars_list)
{
unsigned int i;
for (i = 0; i < stacked_vars; i++)
- if (vars_list[i])
- free_null (vars_list[i]);
-
+ free (vars_list[i]);
free_null (vars_list);
}
}
unsigned int i;
for (i = 0; color_names[i]; i++)
{
- free_null (color_names[i]->name);
- free_null (color_names[i]->orig);
- free_null (color_names[i]);
+ RELEASE_VAR (color_names[i]->name);
+ RELEASE_VAR (color_names[i]->orig);
+ RELEASE_VAR (color_names[i]);
}
}
static void
-process_options (unsigned int arg_cnt, char **option_strings, bool *bold, const struct color **colors, const char **file, FILE **stream)
+process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct color **colors, const char **file, FILE **stream)
{
int ret;
- unsigned int index;
- char *color, *p, *str;
+ char *p;
struct stat sb;
+ struct color_name *color_names[3] = { NULL, NULL, NULL };
- const char *color_string = arg_cnt >= 1 ? option_strings[0] : NULL;
- const char *file_string = arg_cnt == 2 ? option_strings[1] : NULL;
+ const char *color_string = arg_cnt >= 1 ? arg_strings[0] : NULL;
+ const char *file_string = arg_cnt == 2 ? arg_strings[1] : NULL;
assert (color_string);
if (file_string)
vfprintf_fail (formats[FMT_GENERIC], "hyphen cannot be used as color string");
else
- vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceeded by color string");
+ vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceded 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. */
- if (ret != -1)
+ if (ret == 0) /* success */
+ skip_path_colors (color_string, file_string, &sb);
+
+ if ((p = strchr (color_string, COLOR_SEP_CHAR)))
{
- bool have_file;
- unsigned int c;
- const char *color = color_string;
+ if (p == color_string)
+ 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_STRING], "background color missing in string", color_string);
+ else if (strchr (++p, COLOR_SEP_CHAR))
+ vfprintf_fail (formats[FMT_STRING], "one color pair allowed only for string", color_string);
+ }
- for (c = 1; c <= 2 && *color; c++)
+ gather_color_names (color_string, attr, color_names);
+
+ assert (color_names[FOREGROUND]);
+
+ if (color_names[BACKGROUND])
+ {
+ unsigned int i;
+ const unsigned int color_sets[2][2] = { { FOREGROUND, BACKGROUND }, { BACKGROUND, FOREGROUND } };
+ for (i = 0; i < 2; i++)
{
- bool matched = false;
- unsigned int i;
- for (i = 0; i < tables[FOREGROUND].count; i++)
+ const unsigned int color1 = color_sets[i][0];
+ const unsigned int color2 = color_sets[i][1];
+ if (CHECK_COLORS_RANDOM (color1, color2))
+ vfprintf_fail (formats[FMT_RANDOM], tables[color1].desc, color_names[color1]->orig, "cannot be combined with", color_names[color2]->orig);
+ }
+ }
+
+ find_color_entries (color_names, colors);
+ free_color_names (color_names);
+
+ if (!colors[FOREGROUND]->code && colors[BACKGROUND] && colors[BACKGROUND]->code)
+ {
+ struct color_name color_name;
+ color_name.name = color_name.orig = "default";
+
+ find_color_entry (&color_name, FOREGROUND, colors);
+ }
+
+ process_file_arg (file_string, file, stream);
+}
+
+static void
+process_file_arg (const char *file_string, const char **file, FILE **stream)
+{
+ if (file_string)
+ {
+ if (streq (file_string, "-"))
+ *stream = stdin;
+ else
+ {
+ const char *file = file_string;
+ struct stat sb;
+ int ret;
+
+ errno = 0;
+ ret = stat (file, &sb);
+
+ if (ret == -1)
+ vfprintf_fail (formats[FMT_FILE], file, strerror (errno));
+
+ if (!VALID_FILE_TYPE (sb.st_mode))
+ vfprintf_fail (formats[FMT_TYPE], file, "unrecognized type", get_file_type (sb.st_mode));
+
+ *stream = open_file (file, "r");
+ }
+ *file = file_string;
+ }
+ else
+ {
+ *stream = stdin;
+ *file = "stdin";
+ }
+
+ assert (*stream);
+ assert (*file);
+}
+
+static void
+skip_path_colors (const char *color_string, const char *file_string, const struct stat *sb)
+{
+ 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++)
+ {
+ bool matched = false;
+ unsigned int i;
+ for (i = 0; i < tables[GENERIC].count; i++)
+ {
+ const struct color *entry = &tables[GENERIC].entries[i];
+ if (has_color_name (color, entry->name))
{
- const struct color *entry = &tables[FOREGROUND].entries[i];
- char *p;
- if ((p = strstr (color, entry->name)) && p == color)
- {
- color = p + strlen (entry->name);
- matched = true;
- break;
- }
+ color += strlen (entry->name);
+ matched = true;
+ break;
}
- if (matched && *color == COLOR_SEP_CHAR && *(color + 1))
- color++;
- else
- break;
}
+ if (!matched && has_color_name (color, "random"))
+ {
+ color += strlen ("random");
+ matched = true;
+ }
+ if (matched && *color == COLOR_SEP_CHAR && *(color + 1))
+ color++;
+ else
+ break;
+ }
- have_file = (*color != '\0');
+ have_file = (*color != '\0');
- if (have_file)
+ if (have_file)
+ {
+ const char *file_existing = color_string;
+ if (file_string)
+ vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_existing, "cannot be used as color string");
+ else
{
- if (file_string)
- vfprintf_fail (formats[FMT_GENERIC], "file cannot be used as color string");
+ if (VALID_FILE_TYPE (mode))
+ vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_existing, "must be preceded by color string");
else
- vfprintf_fail (formats[FMT_GENERIC], "file must be preceeded by color string");
+ vfprintf_fail (formats[FMT_QUOTE], get_file_type (mode), file_existing, "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");
- else if (p == color_string + strlen (color_string) - 1)
- vfprintf_fail (formats[FMT_GENERIC], "background color missing");
- else if (strchr (++p, COLOR_SEP_CHAR))
- vfprintf_fail (formats[FMT_GENERIC], "one color pair allowed only");
- }
+static void
+gather_color_names (const char *color_string, char *attr, struct color_name **color_names)
+{
+ unsigned int index;
+ char *color, *p, *str;
str = xstrdup (color_string);
STACK_VAR (str);
for (index = 0, color = str; *color; index++, color = p)
{
char *ch, *sep;
+
+ p = NULL;
if ((sep = strchr (color, COLOR_SEP_CHAR)))
{
*sep = '\0';
}
else
p = color + strlen (color);
+ assert (p);
for (ch = color; *ch; ch++)
if (!isalpha (*ch))
switch (index)
{
case FOREGROUND:
- *bold = true;
+ snprintf (attr + strlen (attr), 3, "1;");
break;
case BACKGROUND:
vfprintf_fail (formats[FMT_COLOR], tables[BACKGROUND].desc, color, "cannot be bold");
- break;
default: /* never reached */
ABORT_TRACE ();
}
}
color_names[index] = xcalloc (1, sizeof (struct color_name));
+ STACK_VAR (color_names[index]);
color_names[index]->orig = xstrdup (color);
+ STACK_VAR (color_names[index]->orig);
for (ch = color; *ch; ch++)
*ch = tolower (*ch);
color_names[index]->name = xstrdup (color);
+ STACK_VAR (color_names[index]->name);
}
RELEASE_VAR (str);
-
- assert (color_names[FOREGROUND]);
-
- if (color_names[BACKGROUND])
- {
- unsigned int i;
- unsigned int color_sets[2][2] = { { FOREGROUND, BACKGROUND }, { BACKGROUND, FOREGROUND } };
- for (i = 0; i < 2; i++)
- {
- unsigned int color1 = color_sets[i][0];
- unsigned int color2 = color_sets[i][1];
- if (CHECK_COLORS_RANDOM (color1, color2))
- vfprintf_fail (formats[FMT_RANDOM], tables[color1].desc, color_names[color1]->orig, "cannot be combined with", color_names[color2]->orig);
- }
- }
-
- find_color_entries (color_names, colors);
- free_color_names (color_names);
-
- if (!colors[FOREGROUND]->code && colors[BACKGROUND] && colors[BACKGROUND]->code)
- find_color_entry ("default", FOREGROUND, colors);
-
- process_file_option (file_string, file, stream);
-}
-
-static void
-process_file_option (const char *file_string, const char **file, FILE **stream)
-{
- if (file_string)
- {
- if (streq (file_string, "-"))
- *stream = stdin;
- else
- {
- FILE *s;
- const char *file = file_string;
- struct stat sb;
- int errno, ret;
-
- errno = 0;
- ret = stat (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");
-
- errno = 0;
-
- s = fopen (file, "r");
- if (!s)
- vfprintf_fail (formats[FMT_FILE], file, strerror (errno));
- *stream = s;
- }
- *file = file_string;
- }
- else
- {
- *stream = stdin;
- *file = "stdin";
- }
-
- assert (*stream);
}
-#define MERGE_PRINT_LINE(part_line, line, flags, check_eof) do { \
- char *current_line, *merged_line = NULL; \
- if (part_line) \
- { \
- merged_line = str_concat (part_line, line); \
- free_null (part_line); \
- } \
- current_line = merged_line ? merged_line : (char *)line; \
- if (!check_eof || *current_line != '\0') \
- print_line (colors, bold, current_line, flags); \
- free (merged_line); \
-} while (false);
-
static void
-read_print_stream (bool bold, const struct color **colors, const char *file, FILE *stream)
+read_print_stream (const char *attr, const struct color **colors, const char *file, FILE *stream)
{
- char buf[BUF_SIZE], *part_line = NULL;
+ char buf[BUF_SIZE + 1];
unsigned int flags = 0;
while (!feof (stream))
size_t bytes_read;
char *eol;
const char *line;
- memset (buf, '\0', BUF_SIZE);
- bytes_read = fread (buf, 1, BUF_SIZE - 1, stream);
- if (bytes_read != (BUF_SIZE - 1) && ferror (stream))
- vfprintf_fail (formats[FMT_ERROR], BUF_SIZE - 1, "read");
+ bytes_read = fread (buf, 1, BUF_SIZE, stream);
+ if (bytes_read != BUF_SIZE && ferror (stream))
+ vfprintf_fail (formats[FMT_ERROR], BUF_SIZE, "read");
+ buf[bytes_read] = '\0';
line = buf;
while ((eol = strpbrk (line, "\n\r")))
{
- char *p;
+ const char *p;
flags &= ~(CR|LF);
if (*eol == '\r')
{
vfprintf_fail (formats[FMT_FILE], file, "unrecognized line ending");
p = eol + SKIP_LINE_ENDINGS (flags);
*eol = '\0';
- MERGE_PRINT_LINE (part_line, line, flags, false);
+ print_line (attr, colors, line, flags);
line = p;
}
- if (feof (stream)) {
- MERGE_PRINT_LINE (part_line, line, 0, true);
- }
+ if (feof (stream))
+ {
+ if (*line != '\0')
+ print_line (attr, colors, line, 0);
+ }
else if (*line != '\0')
{
- if (!clean && !clean_all) /* efficiency */
- print_line (colors, bold, line, 0);
- else if (!part_line)
- part_line = xstrdup (line);
+ char *p;
+ if ((clean || clean_all) && (p = strrchr (line, '\033')))
+ merge_print_line (line, p, stream);
else
- {
- char *merged_line = str_concat (part_line, line);
- free (part_line);
- part_line = merged_line;
- }
+ print_line (attr, colors, line, 0);
+ }
+ }
+}
+
+static void
+merge_print_line (const char *line, const char *p, FILE *stream)
+{
+ char *buf = NULL;
+ char *merged_esc = NULL;
+ const char *esc = "";
+ const char char_restore = *p;
+
+ complete_part_line (p + 1, &buf, stream);
+
+ if (buf)
+ {
+ /* form escape sequence */
+ esc = merged_esc = str_concat (p, buf);
+ /* shorten partial line accordingly */
+ *(char *)p = '\0';
+ free (buf);
+ }
+
+#ifdef TEST_MERGE_PART_LINE
+ printf ("%s%s", line, esc);
+ fflush (stdout);
+ _exit (EXIT_SUCCESS);
+#else
+ print_clean (line);
+ *(char *)p = char_restore;
+ print_clean (esc);
+ free (merged_esc);
+#endif
+}
+
+static void
+complete_part_line (const char *p, char **buf, FILE *stream)
+{
+ bool got_next_char = false, read_from_stream;
+ char ch;
+ size_t i = 0, size;
+
+ if (get_next_char (&ch, &p, stream, &read_from_stream))
+ {
+ if (ch == '[')
+ {
+ if (read_from_stream)
+ save_char (ch, buf, &i, &size);
+ }
+ else
+ {
+ if (read_from_stream)
+ ungetc ((int)ch, stream);
+ return; /* cancel */
+ }
+ }
+ else
+ return; /* cancel */
+
+ while (get_next_char (&ch, &p, stream, &read_from_stream))
+ {
+ if (isdigit (ch) || ch == ';')
+ {
+ if (read_from_stream)
+ save_char (ch, buf, &i, &size);
+ }
+ else /* got next character */
+ {
+ got_next_char = true;
+ break;
+ }
+ }
+
+ if (got_next_char)
+ {
+ if (ch == 'm')
+ {
+ if (read_from_stream)
+ save_char (ch, buf, &i, &size);
+ }
+ else
+ {
+ if (read_from_stream)
+ ungetc ((int)ch, stream);
+ return; /* cancel */
+ }
+ }
+ else
+ return; /* cancel */
+}
+
+static bool
+get_next_char (char *ch, const char **p, FILE *stream, bool *read_from_stream)
+{
+ if (**p == '\0')
+ {
+ int c;
+ if ((c = fgetc (stream)) != EOF)
+ {
+ *ch = (char)c;
+ *read_from_stream = true;
+ return true;
+ }
+ else
+ {
+ *read_from_stream = false;
+ return false;
}
}
+ else
+ {
+ *ch = **p;
+ (*p)++;
+ *read_from_stream = false;
+ return true;
+ }
+}
+
+static void
+save_char (char ch, char **buf, size_t *i, size_t *size)
+{
+ if (!*buf)
+ {
+ *size = ALLOC_COMPLETE_PART_LINE;
+ *buf = xmalloc (*size);
+ }
+ /* +1: effective occupied size of buffer */
+ else if ((*i + 1) == *size)
+ {
+ *size *= 2;
+ *buf = xrealloc (*buf, *size);
+ }
+ (*buf)[*i] = ch;
+ (*buf)[*i + 1] = '\0';
+ (*i)++;
}
static void
colors[index] = (struct color *)&color_entries[i];
}
else
- find_color_entry (color_name, index, colors);
+ find_color_entry (color_names[index], index, colors);
}
}
static void
-find_color_entry (const char *const color_name, unsigned int index, const struct color **colors)
+find_color_entry (const struct color_name *color_name, unsigned int index, const struct color **colors)
{
bool found = false;
unsigned int i;
const struct color *const color_entries = tables[index].entries;
for (i = 0; i < count; i++)
- if (streq (color_name, color_entries[i].name))
+ if (streq (color_name->name, color_entries[i].name))
{
colors[index] = (struct color *)&color_entries[i];
found = true;
break;
}
if (!found)
- vfprintf_fail (formats[FMT_COLOR], tables[index].desc, color_name, "not recognized");
+ vfprintf_fail (formats[FMT_COLOR], tables[index].desc, color_name->orig, "not recognized");
}
static void
-print_line (const struct color **colors, bool bold, const char *const line, unsigned int flags)
+print_line (const char *attr, const struct color **colors, const char *const line, unsigned int flags)
{
/* --clean[-all] */
if (clean || clean_all)
if (colors[BACKGROUND] && colors[BACKGROUND]->code)
printf ("\033[%s", colors[BACKGROUND]->code);
if (colors[FOREGROUND]->code)
- printf ("\033[%s%s%s\033[0m", bold ? "1;" : "", colors[FOREGROUND]->code, line);
+ printf ("\033[%s%s%s\033[0m", attr, colors[FOREGROUND]->code, line);
else
printf (formats[FMT_GENERIC], line);
}
static void
print_clean (const char *line)
{
- const char *p;
- char ***offsets = NULL;
- unsigned int count = 0, i = 0;
+ const char *p = line;
+
+ if (is_esc (p))
+ p = get_end_of_esc (p);
- for (p = line; *p;)
+ while (*p != '\0')
{
- /* ESC[ */
- if (*p == 27 && *(p + 1) == '[')
- {
- const char *begin = p;
- p += 2;
- if (clean_all)
- {
- while (isdigit (*p) || *p == ';')
- p++;
- }
- else if (clean)
- {
- bool check_values;
- unsigned int iter = 0;
- const char *digit;
- do {
- check_values = false;
- iter++;
- if (!isdigit (*p))
- goto DISCARD;
- digit = p;
- while (isdigit (*p))
- p++;
- if (p - digit > 2)
- goto DISCARD;
- else /* check range */
- {
- char val[3];
- int value;
- unsigned int i;
- const unsigned int digits = p - digit;
- for (i = 0; i < digits; i++)
- val[i] = *digit++;
- val[i] = '\0';
- value = atoi (val);
- if (value == 0) /* reset */
- {
- if (iter > 1)
- goto DISCARD;
- goto END;
- }
- else if (value == 1) /* bold */
- {
- bool discard = false;
- if (iter > 1)
- discard = true;
- else if (*p != ';')
- discard = true;
- if (discard)
- goto DISCARD;
- p++;
- check_values = true;
- }
- else if ((value >= 30 && value <= 37) || value == 39) /* foreground colors */
- goto END;
- else if ((value >= 40 && value <= 47) || value == 49) /* background colors */
- {
- if (iter > 1)
- goto DISCARD;
- goto END;
- }
- else
- goto DISCARD;
- }
- } while (iter == 1 && check_values);
- }
- END: if (*p == 'm')
- {
- const char *end = p++;
- if (!offsets)
- offsets = xmalloc (++count * sizeof (char **));
- else
- offsets = xrealloc (offsets, ++count * sizeof (char **));
- offsets[i] = xmalloc (2 * sizeof (char *));
- offsets[i][0] = (char *)begin; /* ESC */
- offsets[i][1] = (char *)end; /* m */
- i++;
- continue;
- }
- DISCARD:
- continue;
- }
- p++;
+ const char *text_start = p;
+ const char *text_end = get_end_of_text (p);
+ print_text (text_start, text_end - text_start);
+ p = get_end_of_esc (text_end);
}
+}
- if (offsets)
- print_free_offsets (line, offsets, count);
- else
- printf (formats[FMT_GENERIC], line);
+static bool
+is_esc (const char *p)
+{
+ return gather_esc_offsets (p, NULL, NULL);
}
-#define SET_CHAR(offset, new, old) \
- *old = *offset; \
- *offset = new; \
+static const char *
+get_end_of_esc (const char *p)
+{
+ const char *esc;
+ const char *end = NULL;
+ while ((esc = strchr (p, '\033')))
+ {
+ if (gather_esc_offsets (esc, NULL, &end))
+ break;
+ p = esc + 1;
+ }
+ return end ? end + 1 : p + strlen (p);
+}
-#define RESTORE_CHAR(offset, old) \
- *offset = old; \
+static const char *
+get_end_of_text (const char *p)
+{
+ const char *esc;
+ const char *start = NULL;
+ while ((esc = strchr (p, '\033')))
+ {
+ if (gather_esc_offsets (esc, &start, NULL))
+ break;
+ p = esc + 1;
+ }
+ return start ? start : p + strlen (p);
+}
static void
-print_free_offsets (const char *line, char ***offsets, unsigned int count)
+print_text (const char *p, size_t len)
{
- char ch;
- unsigned int i;
-
- SET_CHAR (offsets[0][0], '\0', &ch);
- printf (formats[FMT_GENERIC], line);
- RESTORE_CHAR (offsets[0][0], ch);
+ size_t bytes_written;
+ bytes_written = fwrite (p, 1, len, stdout);
+ if (bytes_written != len)
+ vfprintf_fail (formats[FMT_ERROR], (unsigned long)len, "written");
+}
- for (i = 0; i < count; i++)
+static bool
+gather_esc_offsets (const char *p, const char **start, const char **end)
+{
+ /* ESC[ */
+ if (*p == 27 && *(p + 1) == '[')
{
- char ch;
- bool next_offset = false;
- if (i + 1 < count)
+ bool valid = false;
+ const char *const begin = p;
+ p += 2;
+ if (clean_all)
+ valid = validate_esc_clean_all (&p);
+ else if (clean)
+ {
+ bool check_values;
+ unsigned int prev_iter, iter;
+ const char *digit;
+ prev_iter = iter = 0;
+ do {
+ check_values = false;
+ iter++;
+ if (!isdigit (*p))
+ break;
+ digit = p;
+ while (isdigit (*p))
+ p++;
+ if (p - digit > 2)
+ break;
+ else /* check range */
+ {
+ char val[3];
+ int value;
+ unsigned int i;
+ const unsigned int digits = p - digit;
+ for (i = 0; i < digits; i++)
+ val[i] = *digit++;
+ val[i] = '\0';
+ value = atoi (val);
+ valid = validate_esc_clean (value, iter, &prev_iter, &p, &check_values);
+ }
+ } while (check_values);
+ }
+ if (valid)
{
- SET_CHAR (offsets[i + 1][0], '\0', &ch);
- next_offset = true;
+ if (start)
+ *start = begin;
+ if (end)
+ *end = p;
+ return true;
}
- printf (formats[FMT_GENERIC], offsets[i][1] + 1);
- if (next_offset)
- RESTORE_CHAR (offsets[i + 1][0], ch);
}
- for (i = 0; i < count; i++)
- free_null (offsets[i]);
- free_null (offsets);
+ return false;
+}
+
+static bool
+validate_esc_clean_all (const char **p)
+{
+ while (isdigit (**p) || **p == ';')
+ (*p)++;
+ return (**p == 'm');
+}
+
+static bool
+validate_esc_clean (int value, unsigned int iter, unsigned int *prev_iter, const char **p, bool *check_values)
+{
+ if (is_reset (value, iter, p))
+ return true;
+ else if (is_attr (value, iter, *prev_iter, p))
+ {
+ (*p)++;
+ *check_values = true;
+ *prev_iter = iter;
+ return false; /* partial escape sequence, need another valid value */
+ }
+ else if (is_fg_color (value, p))
+ return true;
+ else if (is_bg_color (value, iter, p))
+ return true;
+ else
+ return false;
+}
+
+static bool
+is_reset (int value, unsigned int iter, const char **p)
+{
+ return (value == 0 && iter == 1 && **p == 'm');
+}
+
+static bool
+is_attr (int value, unsigned int iter, unsigned int prev_iter, const char **p)
+{
+ return ((value > 0 && value < 10) && (iter - prev_iter == 1) && **p == ';');
+}
+
+static bool
+is_fg_color (int value, const char **p)
+{
+ return (((value >= 30 && value <= 37) || value == 39) && **p == 'm');
+}
+
+static bool
+is_bg_color (int value, unsigned int iter, const char **p)
+{
+ return (((value >= 40 && value <= 47) || value == 49) && iter == 1 && **p == 'm');
}
+#if !DEBUG
static void *
malloc_wrap (size_t size)
{
MEM_ALLOC_FAIL ();
return p;
}
-
+#else
static void *
malloc_wrap_debug (size_t size, const char *file, unsigned int line)
{
void *p = malloc (size);
if (!p)
MEM_ALLOC_FAIL_DEBUG (file, line);
+ fprintf (log, "%s: malloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)size, file, line);
return p;
}
void *p = calloc (nmemb, size);
if (!p)
MEM_ALLOC_FAIL_DEBUG (file, line);
+ fprintf (log, "%s: calloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)(nmemb * size), file, line);
return p;
}
void *p = realloc (ptr, size);
if (!p)
MEM_ALLOC_FAIL_DEBUG (file, line);
+ fprintf (log, "%s: realloc'ed %lu bytes [source file %s, line %u]\n", program_name, (unsigned long)size, file, line);
return p;
}
+#endif /* !DEBUG */
static void
free_wrap (void **ptr)
*ptr = NULL;
}
+#if !DEBUG
+# define do_malloc(len, file, line) malloc_wrap(len)
+#else
+# define do_malloc(len, file, line) malloc_wrap_debug(len, file, line)
+#endif
+
static char *
-strdup_wrap (const char *str)
+strdup_wrap (const char *str, const char *file, unsigned int line)
{
const size_t len = strlen (str) + 1;
- char *p = xmalloc (len);
+ char *p = do_malloc (len, file, line);
strncpy (p, str, len);
return p;
}
static char *
-str_concat (const char *str1, const char *str2)
+str_concat_wrap (const char *str1, const char *str2, const char *file, unsigned int line)
{
const size_t len = strlen (str1) + strlen (str2) + 1;
char *p, *str;
- p = str = xmalloc (len);
+ p = str = do_malloc (len, file, line);
strncpy (p, str1, strlen (str1));
p += strlen (str1);
strncpy (p, str2, strlen (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)
+{
+ char *p;
+
+ assert (strlen (str));
+ assert (strlen (name));
+
+ if (!(*str == *name || *str == toupper (*name)))
+ return false;
+ else if (*(name + 1) != '\0'
+ && !((p = strstr (str + 1, name + 1)) && p == str + 1))
+ return false;
+
+ return true;
+}
+
+static FILE *
+open_file (const char *file, const char *mode)
+{
+ FILE *stream;
+
+ errno = 0;
+ stream = fopen (file, mode);
+ if (!stream)
+ vfprintf_fail (formats[FMT_FILE], file, strerror (errno));
+
+ return stream;
+}
+
+#define DO_VFPRINTF(fmt) \
+ va_list ap; \
+ fprintf (stderr, "%s: ", program_name); \
+ va_start (ap, fmt); \
+ vfprintf (stderr, fmt, ap); \
+ va_end (ap); \
+ fprintf (stderr, "\n"); \
+
+static void
+vfprintf_diag (const char *fmt, ...)
+{
+ DO_VFPRINTF (fmt);
+}
+
static void
-vfprintf_name (bool fatal, const char *fmt, ...)
+vfprintf_fail (const char *fmt, ...)
{
- va_list ap;
- fprintf (stderr, "%s: ", program_name);
- va_start (ap, fmt);
- vfprintf (stderr, fmt, ap);
- va_end (ap);
- fprintf (stderr, "\n");
- if (fatal)
- exit (EXIT_FAILURE);
+ DO_VFPRINTF (fmt);
+ exit (EXIT_FAILURE);
}
static void
projects / colorize.git / blobdiff