]>
git.refcnt.org Git - colorize.git/blob - colorize.c
9ffac2692222fff81774bb605268a2ad086c1a45
2 * colorize - Read text from standard input stream or file and print
3 * it colorized through use of ANSI escape sequences
5 * Copyright (c) 2011-2014 Steven Schubiger
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #define _XOPEN_SOURCE 700
33 #include <sys/types.h>
43 #define to_str(arg) str(arg)
45 #define streq(s1, s2) (strcmp (s1, s2) == 0)
48 # define xmalloc(size) malloc_wrap(size)
49 # define xcalloc(nmemb, size) calloc_wrap(nmemb, size)
50 # define xrealloc(ptr, size) realloc_wrap(ptr, size)
52 # define xmalloc(size) malloc_wrap_debug(size, __FILE__, __LINE__)
53 # define xcalloc(nmemb, size) calloc_wrap_debug(nmemb, size, __FILE__, __LINE__)
54 # define xrealloc(ptr, size) realloc_wrap_debug(ptr, size, __FILE__, __LINE__)
57 #define free_null(ptr) free_wrap((void **)&ptr)
58 #define xstrdup(str) strdup_wrap(str)
64 # define BUF_SIZE 4096
70 #define SKIP_LINE_ENDINGS(flags) (((flags) & CR) && ((flags) & LF) ? 2 : 1)
72 #define VALID_FILE_TYPE(mode) (S_ISREG (mode) || S_ISLNK (mode) || S_ISFIFO (mode))
74 #define STACK_VAR(ptr) do { \
75 stack_var (&vars_list, &stacked_vars, stacked_vars, ptr); \
78 #define RELEASE_VAR(ptr) do { \
79 release_var (vars_list, stacked_vars, (void **)&ptr); \
83 # define MEM_ALLOC_FAIL() do { \
84 fprintf (stderr, "%s: memory allocation failure\n", program_name); \
88 # define MEM_ALLOC_FAIL_DEBUG(file, line) do { \
89 fprintf (stderr, "Memory allocation failure in source file %s, line %u\n", file, line); \
94 #define ABORT_TRACE() \
95 fprintf (stderr, "Aborting in source file %s, line %u\n", __FILE__, __LINE__); \
98 #define CHECK_COLORS_RANDOM(color1, color2) \
99 streq (color_names[color1]->name, "random") \
100 && (streq (color_names[color2]->name, "none") \
101 || streq (color_names[color2]->name, "default")) \
103 #define COLOR_SEP_CHAR '/'
105 #define VERSION "0.53"
107 typedef enum { false, true } bool;
114 static struct color_name
*color_names
[3] = { NULL
, NULL
, NULL
};
121 static const struct color fg_colors
[] = {
128 { "magenta", "35m" },
131 { "default", "39m" },
133 static const struct color bg_colors
[] = {
140 { "magenta", "45m" },
143 { "default", "49m" },
156 static const char *formats
[] = {
158 "%s '%s'", /* string */
159 "%s `%s' %s", /* quote */
160 "%s color '%s' %s", /* color */
161 "%s color '%s' %s '%s'", /* random */
162 "less than %u bytes %s", /* error */
164 "%s: %s: %s", /* type */
167 enum { FOREGROUND
, BACKGROUND
};
169 static const struct {
170 struct color
const *entries
;
174 { fg_colors
, sizeof (fg_colors
) / sizeof (struct color
), "foreground" },
175 { bg_colors
, sizeof (bg_colors
) / sizeof (struct color
), "background" },
178 static FILE *stream
= NULL
;
180 static unsigned int stacked_vars
= 0;
181 static void **vars_list
= NULL
;
183 static bool clean
= false;
184 static bool clean_all
= false;
186 static char *exclude
= NULL
;
188 static const char *program_name
;
190 static void print_hint (void);
191 static void print_help (void);
192 static void print_version (void);
193 static void cleanup (void);
194 static void free_color_names (struct color_name
**);
195 static void process_args (unsigned int, char **, bool *, const struct color
**, const char **, FILE **);
196 static void process_file_arg (const char *, const char **, FILE **);
197 static void read_print_stream (bool, const struct color
**, const char *, FILE *);
198 static void find_color_entries (struct color_name
**, const struct color
**);
199 static void find_color_entry (const struct color_name
*, unsigned int, const struct color
**);
200 static void print_line (bool, const struct color
**, const char * const, unsigned int);
201 static void print_clean (const char *);
202 static void print_free_offsets (const char *, char ***, unsigned int);
204 static void *malloc_wrap (size_t);
205 static void *calloc_wrap (size_t, size_t);
206 static void *realloc_wrap (void *, size_t);
208 static void *malloc_wrap_debug (size_t, const char *, unsigned int);
209 static void *calloc_wrap_debug (size_t, size_t, const char *, unsigned int);
210 static void *realloc_wrap_debug (void *, size_t, const char *, unsigned int);
212 static void free_wrap (void **);
213 static char *strdup_wrap (const char *);
214 static char *str_concat (const char *, const char *);
215 static char *get_file_type (mode_t
);
216 static bool has_color_name (const char *, const char *);
217 static void vfprintf_diag (const char *, ...);
218 static void vfprintf_fail (const char *, ...);
219 static void stack_var (void ***, unsigned int *, unsigned int, void *);
220 static void release_var (void **, unsigned int, void **);
222 #define SET_OPT_TYPE(type) \
230 static int opt_type
= 0;
233 main (int argc
, char **argv
)
235 unsigned int arg_cnt
= 0;
246 struct option long_opts
[] = {
247 { "clean", no_argument
, &opt_type
, OPT_CLEAN
},
248 { "clean-all", no_argument
, &opt_type
, OPT_CLEAN_ALL
},
249 { "exclude-random", required_argument
, &opt_type
, OPT_EXCLUDE_RANDOM
},
250 { "help", no_argument
, &opt_type
, OPT_HELP
},
251 { "version", no_argument
, &opt_type
, OPT_VERSION
},
252 { NULL
, 0, NULL
, 0 },
257 const struct color
*colors
[2] = {
258 NULL
, /* foreground */
259 NULL
, /* background */
262 const char *file
= NULL
;
264 program_name
= argv
[0];
267 setvbuf (stdout
, NULL
, _IOLBF
, 0);
269 while ((opt
= getopt_long (argc
, argv
, "hv", long_opts
, NULL
)) != -1)
274 case 0: /* long opts */
283 case OPT_EXCLUDE_RANDOM
: {
286 exclude
= xstrdup (optarg
);
288 for (i
= 1; i
< tables
[FOREGROUND
].count
- 1; i
++) /* skip color none and default */
290 const struct color
*entry
= &tables
[FOREGROUND
].entries
[i
];
291 if (streq (exclude
, entry
->name
))
298 vfprintf_fail (formats
[FMT_GENERIC
], "--exclude-random switch must be provided a plain color");
307 default: /* never reached */
312 SET_OPT_TYPE (OPT_HELP
);
314 SET_OPT_TYPE (OPT_VERSION
);
318 default: /* never reached */
323 arg_cnt
= argc
- optind
;
325 if (clean
|| clean_all
)
327 if (clean
&& clean_all
)
328 vfprintf_fail (formats
[FMT_GENERIC
], "--clean and --clean-all switch are mutually exclusive");
331 const char *format
= "%s %s";
332 const char *message
= "switch cannot be used with more than one file";
334 vfprintf_fail (format
, "--clean", message
);
336 vfprintf_fail (format
, "--clean-all", message
);
341 if (arg_cnt
== 0 || arg_cnt
> 2)
343 vfprintf_diag ("%u arguments provided, expected 1-2 arguments or clean option", arg_cnt
);
349 if (clean
|| clean_all
)
350 process_file_arg (argv
[optind
], &file
, &stream
);
352 process_args (arg_cnt
, &argv
[optind
], &bold
, colors
, &file
, &stream
);
353 read_print_stream (bold
, colors
, file
, stream
);
355 RELEASE_VAR (exclude
);
363 fprintf (stderr
, "Type `%s --help' for help screen.\n", program_name
);
371 printf ("Usage: %s (foreground) OR (foreground)%c(background) OR --clean[-all] [-|file]\n\n", program_name
, COLOR_SEP_CHAR
);
372 printf ("\tColors (foreground) (background)\n");
373 for (i
= 0; i
< tables
[FOREGROUND
].count
; i
++)
375 const struct color
*entry
= &tables
[FOREGROUND
].entries
[i
];
376 const char *name
= entry
->name
;
377 const char *code
= entry
->code
;
379 printf ("\t\t{\033[%s#\033[0m} [%c%c]%s%*s%s\n",
380 code
, toupper (*name
), *name
, name
+ 1, 10 - (int)strlen (name
), " ", name
);
382 printf ("\t\t{-} %s%*s%s\n", name
, 13 - (int)strlen (name
), " ", name
);
384 printf ("\t\t{*} [Rr]%s%*s%s [--exclude-random=<foreground color>]\n", "andom", 10 - (int)strlen ("random"), " ", "random");
386 printf ("\n\tFirst character of color name in upper case denotes increased intensity,\n");
387 printf ("\twhereas for lower case colors will be of normal intensity.\n");
389 printf ("\n\tOptions\n");
390 printf ("\t\t --clean\n");
391 printf ("\t\t --clean-all\n");
392 printf ("\t\t --exclude-random\n");
393 printf ("\t\t-h, --help\n");
394 printf ("\t\t-v, --version\n\n");
403 c_flags
= to_str (CFLAGS
);
412 printf ("%s v%s (compiled at %s, %s)\n", "colorize", VERSION
, __DATE__
, __TIME__
);
413 printf ("Compiler flags: %s\n", c_flags
);
414 printf ("Buffer size: %u bytes\n", BUF_SIZE
);
415 printf ("Debugging: %s\n", debug
? "yes" : "no");
421 free_color_names (color_names
);
423 if (stream
&& fileno (stream
) != STDIN_FILENO
)
429 for (i
= 0; i
< stacked_vars
; i
++)
431 free_null (vars_list
[i
]);
433 free_null (vars_list
);
438 free_color_names (struct color_name
**color_names
)
441 for (i
= 0; color_names
[i
]; i
++)
443 free_null (color_names
[i
]->name
);
444 free_null (color_names
[i
]->orig
);
445 free_null (color_names
[i
]);
450 process_args (unsigned int arg_cnt
, char **arg_strings
, bool *bold
, const struct color
**colors
, const char **file
, FILE **stream
)
454 char *color
, *p
, *str
;
457 const char *color_string
= arg_cnt
>= 1 ? arg_strings
[0] : NULL
;
458 const char *file_string
= arg_cnt
== 2 ? arg_strings
[1] : NULL
;
460 assert (color_string
);
462 if (streq (color_string
, "-"))
465 vfprintf_fail (formats
[FMT_GENERIC
], "hyphen cannot be used as color string");
467 vfprintf_fail (formats
[FMT_GENERIC
], "hyphen must be preceeded by color string");
470 ret
= lstat (color_string
, &sb
);
472 /* Ensure that we don't fail if there's a file with one or more
473 color names in its path. */
478 const char *color
= color_string
;
479 const mode_t mode
= sb
.st_mode
;
481 for (c
= 1; c
<= 2 && *color
; c
++)
483 bool matched
= false;
485 for (i
= 0; i
< tables
[FOREGROUND
].count
; i
++)
487 const struct color
*entry
= &tables
[FOREGROUND
].entries
[i
];
488 if (has_color_name (color
, entry
->name
))
490 color
+= strlen (entry
->name
);
495 if (!matched
&& has_color_name (color
, "random"))
497 color
+= strlen ("random");
500 if (matched
&& *color
== COLOR_SEP_CHAR
&& *(color
+ 1))
506 have_file
= (*color
!= '\0');
510 const char *file_exists
= color_string
;
512 vfprintf_fail (formats
[FMT_QUOTE
], get_file_type (mode
), file_exists
, "cannot be used as color string");
515 if (VALID_FILE_TYPE (mode
))
516 vfprintf_fail (formats
[FMT_QUOTE
], get_file_type (mode
), file_exists
, "must be preceeded by color string");
518 vfprintf_fail (formats
[FMT_QUOTE
], get_file_type (mode
), file_exists
, "is not a valid file type");
523 if ((p
= strchr (color_string
, COLOR_SEP_CHAR
)))
525 if (p
== color_string
)
526 vfprintf_fail (formats
[FMT_STRING
], "foreground color missing in string", color_string
);
527 else if (p
== color_string
+ strlen (color_string
) - 1)
528 vfprintf_fail (formats
[FMT_STRING
], "background color missing in string", color_string
);
529 else if (strchr (++p
, COLOR_SEP_CHAR
))
530 vfprintf_fail (formats
[FMT_STRING
], "one color pair allowed only for string", color_string
);
533 str
= xstrdup (color_string
);
536 for (index
= 0, color
= str
; *color
; index
++, color
= p
)
541 if ((sep
= strchr (color
, COLOR_SEP_CHAR
)))
547 p
= color
+ strlen (color
);
550 for (ch
= color
; *ch
; ch
++)
552 vfprintf_fail (formats
[FMT_COLOR
], tables
[index
].desc
, color
, "cannot be made of non-alphabetic characters");
554 for (ch
= color
+ 1; *ch
; ch
++)
556 vfprintf_fail (formats
[FMT_COLOR
], tables
[index
].desc
, color
, "cannot be in mixed lower/upper case");
558 if (streq (color
, "None"))
559 vfprintf_fail (formats
[FMT_COLOR
], tables
[index
].desc
, color
, "cannot be bold");
561 if (isupper (*color
))
569 vfprintf_fail (formats
[FMT_COLOR
], tables
[BACKGROUND
].desc
, color
, "cannot be bold");
571 default: /* never reached */
576 color_names
[index
] = xcalloc (1, sizeof (struct color_name
));
578 color_names
[index
]->orig
= xstrdup (color
);
580 for (ch
= color
; *ch
; ch
++)
583 color_names
[index
]->name
= xstrdup (color
);
588 assert (color_names
[FOREGROUND
]);
590 if (color_names
[BACKGROUND
])
593 unsigned int color_sets
[2][2] = { { FOREGROUND
, BACKGROUND
}, { BACKGROUND
, FOREGROUND
} };
594 for (i
= 0; i
< 2; i
++)
596 unsigned int color1
= color_sets
[i
][0];
597 unsigned int color2
= color_sets
[i
][1];
598 if (CHECK_COLORS_RANDOM (color1
, color2
))
599 vfprintf_fail (formats
[FMT_RANDOM
], tables
[color1
].desc
, color_names
[color1
]->orig
, "cannot be combined with", color_names
[color2
]->orig
);
603 find_color_entries (color_names
, colors
);
604 free_color_names (color_names
);
606 if (!colors
[FOREGROUND
]->code
&& colors
[BACKGROUND
] && colors
[BACKGROUND
]->code
)
608 struct color_name color_name
;
609 color_name
.name
= color_name
.orig
= "default";
611 find_color_entry (&color_name
, FOREGROUND
, colors
);
614 process_file_arg (file_string
, file
, stream
);
618 process_file_arg (const char *file_string
, const char **file
, FILE **stream
)
622 if (streq (file_string
, "-"))
627 const char *file
= file_string
;
632 ret
= lstat (file
, &sb
);
635 vfprintf_fail (formats
[FMT_FILE
], file
, strerror (errno
));
637 if (!VALID_FILE_TYPE (sb
.st_mode
))
638 vfprintf_fail (formats
[FMT_TYPE
], file
, "unrecognized type", get_file_type (sb
.st_mode
));
642 s
= fopen (file
, "r");
644 vfprintf_fail (formats
[FMT_FILE
], file
, strerror (errno
));
659 #define MERGE_PRINT_LINE(part_line, line, flags, check_eof) do { \
660 char *current_line, *merged_line = NULL; \
663 merged_line = str_concat (part_line, line); \
664 free_null (part_line); \
666 current_line = merged_line ? merged_line : (char *)line; \
667 if (!check_eof || *current_line != '\0') \
668 print_line (bold, colors, current_line, flags); \
669 free (merged_line); \
673 read_print_stream (bool bold
, const struct color
**colors
, const char *file
, FILE *stream
)
675 char buf
[BUF_SIZE
+ 1], *part_line
= NULL
;
676 unsigned int flags
= 0;
678 while (!feof (stream
))
683 memset (buf
, '\0', BUF_SIZE
+ 1);
684 bytes_read
= fread (buf
, 1, BUF_SIZE
, stream
);
685 if (bytes_read
!= BUF_SIZE
&& ferror (stream
))
686 vfprintf_fail (formats
[FMT_ERROR
], BUF_SIZE
, "read");
688 while ((eol
= strpbrk (line
, "\n\r")))
695 if (*(eol
+ 1) == '\n')
698 else if (*eol
== '\n')
701 vfprintf_fail (formats
[FMT_FILE
], file
, "unrecognized line ending");
702 p
= eol
+ SKIP_LINE_ENDINGS (flags
);
704 MERGE_PRINT_LINE (part_line
, line
, flags
, false);
708 MERGE_PRINT_LINE (part_line
, line
, 0, true);
710 else if (*line
!= '\0')
712 if (!clean
&& !clean_all
) /* efficiency */
713 print_line (bold
, colors
, line
, 0);
715 part_line
= xstrdup (line
);
718 char *merged_line
= str_concat (part_line
, line
);
720 part_line
= merged_line
;
727 find_color_entries (struct color_name
**color_names
, const struct color
**colors
)
733 gettimeofday (&tv
, NULL
);
734 srand (tv
.tv_usec
* tv
.tv_sec
);
736 for (index
= 0; color_names
[index
]; index
++)
738 const char *color_name
= color_names
[index
]->name
;
740 const unsigned int count
= tables
[index
].count
;
741 const struct color
*const color_entries
= tables
[index
].entries
;
743 if (streq (color_name
, "random"))
749 i
= rand() % (count
- 2) + 1; /* omit color none and default */
753 /* --exclude-random */
754 if (exclude
&& streq (exclude
, color_entries
[i
].name
))
756 else if (color_names
[BACKGROUND
] && streq (color_names
[BACKGROUND
]->name
, color_entries
[i
].name
))
760 if (streq (colors
[FOREGROUND
]->name
, color_entries
[i
].name
))
763 default: /* never reached */
766 } while (excludable
);
767 colors
[index
] = (struct color
*)&color_entries
[i
];
770 find_color_entry (color_names
[index
], index
, colors
);
775 find_color_entry (const struct color_name
*color_name
, unsigned int index
, const struct color
**colors
)
780 const unsigned int count
= tables
[index
].count
;
781 const struct color
*const color_entries
= tables
[index
].entries
;
783 for (i
= 0; i
< count
; i
++)
784 if (streq (color_name
->name
, color_entries
[i
].name
))
786 colors
[index
] = (struct color
*)&color_entries
[i
];
791 vfprintf_fail (formats
[FMT_COLOR
], tables
[index
].desc
, color_name
->orig
, "not recognized");
795 print_line (bool bold
, const struct color
**colors
, const char *const line
, unsigned int flags
)
798 if (clean
|| clean_all
)
802 /* Foreground color code is guaranteed to be set when background color code is present. */
803 if (colors
[BACKGROUND
] && colors
[BACKGROUND
]->code
)
804 printf ("\033[%s", colors
[BACKGROUND
]->code
);
805 if (colors
[FOREGROUND
]->code
)
806 printf ("\033[%s%s%s\033[0m", bold
? "1;" : "", colors
[FOREGROUND
]->code
, line
);
808 printf (formats
[FMT_GENERIC
], line
);
817 print_clean (const char *line
)
820 char ***offsets
= NULL
;
821 unsigned int count
= 0, i
= 0;
826 if (*p
== 27 && *(p
+ 1) == '[')
828 const char *begin
= p
;
832 while (isdigit (*p
) || *p
== ';')
838 unsigned int iter
= 0;
841 check_values
= false;
850 else /* check range */
855 const unsigned int digits
= p
- digit
;
856 for (i
= 0; i
< digits
; i
++)
860 if (value
== 0) /* reset */
866 else if (value
== 1) /* bold */
868 bool discard
= false;
878 else if ((value
>= 30 && value
<= 37) || value
== 39) /* foreground colors */
880 else if ((value
>= 40 && value
<= 47) || value
== 49) /* background colors */
889 } while (iter
== 1 && check_values
);
893 const char *end
= p
++;
895 offsets
= xmalloc (++count
* sizeof (char **));
897 offsets
= xrealloc (offsets
, ++count
* sizeof (char **));
898 offsets
[i
] = xmalloc (2 * sizeof (char *));
899 offsets
[i
][0] = (char *)begin
; /* ESC */
900 offsets
[i
][1] = (char *)end
; /* m */
911 print_free_offsets (line
, offsets
, count
);
913 printf (formats
[FMT_GENERIC
], line
);
916 #define SET_CHAR(offset, new, old) \
920 #define RESTORE_CHAR(offset, old) \
924 print_free_offsets (const char *line
, char ***offsets
, unsigned int count
)
929 SET_CHAR (offsets
[0][0], '\0', &ch
);
930 printf (formats
[FMT_GENERIC
], line
);
931 RESTORE_CHAR (offsets
[0][0], ch
);
933 for (i
= 0; i
< count
; i
++)
936 bool next_offset
= false;
939 SET_CHAR (offsets
[i
+ 1][0], '\0', &ch
);
942 printf (formats
[FMT_GENERIC
], offsets
[i
][1] + 1);
944 RESTORE_CHAR (offsets
[i
+ 1][0], ch
);
946 for (i
= 0; i
< count
; i
++)
947 free_null (offsets
[i
]);
953 malloc_wrap (size_t size
)
955 void *p
= malloc (size
);
962 calloc_wrap (size_t nmemb
, size_t size
)
964 void *p
= calloc (nmemb
, size
);
971 realloc_wrap (void *ptr
, size_t size
)
973 void *p
= realloc (ptr
, size
);
980 malloc_wrap_debug (size_t size
, const char *file
, unsigned int line
)
982 void *p
= malloc (size
);
984 MEM_ALLOC_FAIL_DEBUG (file
, line
);
989 calloc_wrap_debug (size_t nmemb
, size_t size
, const char *file
, unsigned int line
)
991 void *p
= calloc (nmemb
, size
);
993 MEM_ALLOC_FAIL_DEBUG (file
, line
);
998 realloc_wrap_debug (void *ptr
, size_t size
, const char *file
, unsigned int line
)
1000 void *p
= realloc (ptr
, size
);
1002 MEM_ALLOC_FAIL_DEBUG (file
, line
);
1008 free_wrap (void **ptr
)
1015 strdup_wrap (const char *str
)
1017 const size_t len
= strlen (str
) + 1;
1018 char *p
= xmalloc (len
);
1019 strncpy (p
, str
, len
);
1024 str_concat (const char *str1
, const char *str2
)
1026 const size_t len
= strlen (str1
) + strlen (str2
) + 1;
1029 p
= str
= xmalloc (len
);
1030 strncpy (p
, str1
, strlen (str1
));
1032 strncpy (p
, str2
, strlen (str2
));
1040 get_file_type (mode_t mode
)
1044 else if (S_ISDIR (mode
))
1046 else if (S_ISCHR (mode
))
1047 return "character device";
1048 else if (S_ISBLK (mode
))
1049 return "block device";
1050 else if (S_ISFIFO (mode
))
1051 return "named pipe";
1052 else if (S_ISLNK (mode
))
1053 return "symbolic link";
1054 else if (S_ISSOCK (mode
))
1061 has_color_name (const char *str
, const char *name
)
1065 assert (strlen (str
));
1066 assert (strlen (name
));
1068 if (!(*str
== *name
|| *str
== toupper (*name
)))
1070 else if (*(name
+ 1) != '\0'
1071 && !((p
= strstr (str
+ 1, name
+ 1)) && p
== str
+ 1))
1077 #define DO_VFPRINTF(fmt) \
1079 fprintf (stderr, "%s: ", program_name); \
1080 va_start (ap, fmt); \
1081 vfprintf (stderr, fmt, ap); \
1083 fprintf (stderr, "\n"); \
1086 vfprintf_diag (const char *fmt
, ...)
1092 vfprintf_fail (const char *fmt
, ...)
1095 exit (EXIT_FAILURE
);
1099 stack_var (void ***list
, unsigned int *stacked
, unsigned int index
, void *ptr
)
1101 /* nothing to stack */
1105 *list
= xmalloc (sizeof (void *));
1109 for (i
= 0; i
< *stacked
; i
++)
1113 return; /* reused */
1115 *list
= xrealloc (*list
, (*stacked
+ 1) * sizeof (void *));
1117 (*list
)[index
] = ptr
;
1122 release_var (void **list
, unsigned int stacked
, void **ptr
)
1125 /* nothing to release */
1128 for (i
= 0; i
< stacked
; i
++)
1129 if (list
[i
] == *ptr
)