* colorize - Read text from standard input stream or file and print
* it colorized through use of ANSI escape sequences
*
- * Copyright (c) 2011-2018 Steven Schubiger
+ * Copyright (c) 2011-2019 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
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
+#include <wordexp.h>
#ifndef DEBUG
# define DEBUG 0
#define PROGRAM_NAME "colorize"
-#define VERSION "0.64"
+#define VERSION "0.65"
typedef enum { false, true } bool;
{ bg_colors, COUNT_OF (bg_colors, struct color), "background" },
};
+static unsigned int opts_set;
+enum opt_set {
+ OPT_ATTR_SET = 0x01,
+ OPT_EXCLUDE_RANDOM_SET = 0x02,
+ OPT_OMIT_COLOR_EMPTY_SET = 0x04
+};
+static struct {
+ char *attr;
+ char *exclude_random;
+} opts_arg = { NULL, NULL };
+
enum {
OPT_ATTR = 1,
OPT_CLEAN,
OPT_CLEAN_ALL,
+ OPT_CONFIG,
OPT_EXCLUDE_RANDOM,
OPT_OMIT_COLOR_EMPTY,
OPT_HELP,
{ "attr", required_argument, &opt_type, OPT_ATTR },
{ "clean", no_argument, &opt_type, OPT_CLEAN },
{ "clean-all", no_argument, &opt_type, OPT_CLEAN_ALL },
+ { "config", required_argument, &opt_type, OPT_CONFIG },
{ "exclude-random", required_argument, &opt_type, OPT_EXCLUDE_RANDOM },
{ "omit-color-empty", no_argument, &opt_type, OPT_OMIT_COLOR_EMPTY },
{ "help", no_argument, &opt_type, OPT_HELP },
#if DEBUG
static void print_tstamp (FILE *);
#endif
-static void process_opts (int, char **);
+static void process_opts (int, char **, char **);
+static void conf_file_path (char **);
static void process_opt_attr (const char *, const bool);
static void write_attr (const struct attr *, unsigned int *, const bool);
static void process_opt_exclude_random (const char *, const bool);
static void parse_conf (const char *, struct conf *);
static void assign_conf (const char *, struct conf *, const char *, char *);
static void init_conf_vars (const struct conf *);
+static void init_opts_vars (void);
static void print_hint (void);
static void print_help (void);
static void print_version (void);
static void free_wrap (void **);
static char *strdup_wrap (const char *, const char *, unsigned int);
static char *str_concat_wrap (const char *, const char *, const char *, unsigned int);
+static char *expand_string (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 *);
const char *file = NULL;
- char *conf_file;
- uid_t uid;
- struct passwd *passwd;
- size_t size;
-
+ char *conf_file = NULL;
struct conf config = { NULL, NULL, NULL, NULL };
program_name = argv[0];
attr[0] = '\0';
+ process_opts (argc, argv, &conf_file);
+
#ifdef CONF_FILE_TEST
conf_file = to_str (CONF_FILE_TEST);
#elif !defined(TEST)
- uid = getuid ();
- errno = 0;
- if ((passwd = getpwuid (uid)) == NULL)
+ if (conf_file == NULL)
+ conf_file_path (&conf_file);
+ else
{
- if (errno == 0)
- vfprintf_diag ("password file entry for uid %lu not found", (unsigned long)uid);
- else
- perror ("getpwuid");
- exit (EXIT_FAILURE);
+ char *s;
+ if ((s = expand_string (conf_file)))
+ {
+ free (conf_file);
+ conf_file = s;
+ }
+ errno = 0;
+ if (access (conf_file, F_OK) == -1)
+ vfprintf_fail (formats[FMT_FILE], conf_file, strerror (errno));
}
- size = strlen (passwd->pw_dir) + 1 + strlen (CONF_FILE) + 1;
- conf_file = xmalloc (size);
- snprintf (conf_file, size, "%s/%s", passwd->pw_dir, CONF_FILE);
#endif
#if defined(CONF_FILE_TEST) || !defined(TEST)
if (access (conf_file, F_OK) != -1)
#endif
init_conf_vars (&config);
- process_opts (argc, argv);
+ init_opts_vars ();
arg_cnt = argc - optind;
if (clean && clean_all)
vfprintf_fail (formats[FMT_GENERIC], "--clean and --clean-all switch are mutually exclusive");
if (arg_cnt > 1)
- {
- const char *const format = "%s %s";
- const char *const 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);
- }
+ vfprintf_fail ("--clean%s switch cannot be used with more than one file", clean_all ? "-all" : "");
+ {
+ unsigned int i;
+ const struct option_set {
+ const char *option;
+ enum opt_set set;
+ } options[] = {
+ { "attr", OPT_ATTR_SET },
+ { "exclude-random", OPT_EXCLUDE_RANDOM_SET },
+ { "omit-color-empty", OPT_OMIT_COLOR_EMPTY_SET },
+ };
+ for (i = 0; i < COUNT_OF (options, struct option_set); i++)
+ if (opts_set & options[i].set)
+ vfprintf_diag ("--%s switch has no meaning with --clean%s", options[i].option, clean_all ? "-all" : "");
+ }
}
else
{
}
#endif
+#define DUP_CONFIG() \
+ *conf_file = xstrdup (optarg); \
+ break;
+
#define PRINT_HELP_EXIT() \
print_help (); \
exit (EXIT_SUCCESS);
extern char *optarg;
static void
-process_opts (int argc, char **argv)
+process_opts (int argc, char **argv, char **conf_file)
{
int opt;
- while ((opt = getopt_long (argc, argv, "hV", long_opts, NULL)) != -1)
+ while ((opt = getopt_long (argc, argv, "c:hV", long_opts, NULL)) != -1)
{
switch (opt)
{
switch (opt_type)
{
case OPT_ATTR:
- attr[0] = '\0'; /* Clear attr string to discard values from the config file. */
- process_opt_attr (optarg, true);
+ opts_set |= OPT_ATTR_SET;
+ opts_arg.attr = xstrdup (optarg);
break;
case OPT_CLEAN:
clean = true;
case OPT_CLEAN_ALL:
clean_all = true;
break;
+ case OPT_CONFIG:
+ DUP_CONFIG ();
case OPT_EXCLUDE_RANDOM:
- process_opt_exclude_random (optarg, true);
+ opts_set |= OPT_EXCLUDE_RANDOM_SET;
+ opts_arg.exclude_random = xstrdup (optarg);
break;
case OPT_OMIT_COLOR_EMPTY:
- omit_color_empty = true;
+ opts_set |= OPT_OMIT_COLOR_EMPTY_SET;
break;
case OPT_HELP:
PRINT_HELP_EXIT ();
ABORT_TRACE ();
}
break;
+ case 'c':
+ DUP_CONFIG ();
case 'h':
PRINT_HELP_EXIT ();
case 'V':
}
}
+static void
+conf_file_path (char **conf_file)
+{
+ char *path;
+ uid_t uid;
+ struct passwd *passwd;
+ size_t size;
+
+ uid = getuid ();
+ errno = 0;
+ if ((passwd = getpwuid (uid)) == NULL)
+ {
+ if (errno == 0)
+ vfprintf_diag ("password file entry for uid %lu not found", (unsigned long)uid);
+ else
+ perror ("getpwuid");
+ exit (EXIT_FAILURE);
+ }
+ size = strlen (passwd->pw_dir) + 1 + strlen (CONF_FILE) + 1;
+ path = xmalloc (size);
+ snprintf (path, size, "%s/%s", passwd->pw_dir, CONF_FILE);
+
+ *conf_file = path;
+}
+
static void
process_opt_attr (const char *p, const bool is_opt)
{
};
unsigned int attr_types = 0;
const char *desc_type[2] = { "--attr switch", "attr conf option" };
- unsigned int DESC_TYPE = is_opt ? DESC_OPTION : DESC_CONF;
+ const unsigned int DESC_TYPE = is_opt ? DESC_OPTION : DESC_CONF;
while (*p)
{
{
bool valid = false;
unsigned int i;
- if (exclude)
- RELEASE_VAR (exclude);
+ RELEASE_VAR (exclude);
exclude = xstrdup (s);
STACK_VAR (exclude);
for (i = 1; i < tables[GENERIC].count - 1; i++) /* skip color none and default */
}
if (!valid)
vfprintf_fail ("%s must be provided a plain color",
- is_opt ? "--exlude-random switch" : "exclude-random conf option");
+ is_opt ? "--exclude-random switch" : "exclude-random conf option");
+}
+
+static void
+init_opts_vars (void)
+{
+ if (opts_set & OPT_ATTR_SET)
+ {
+ attr[0] = '\0'; /* Clear attr string to discard values from the config file. */
+ process_opt_attr (opts_arg.attr, true);
+ }
+ if (opts_set & OPT_EXCLUDE_RANDOM_SET)
+ process_opt_exclude_random (opts_arg.exclude_random, true);
+ if (opts_set & OPT_OMIT_COLOR_EMPTY_SET)
+ omit_color_empty = true;
+
+ free (opts_arg.attr);
+ free (opts_arg.exclude_random);
}
#define IS_SPACE(c) ((c) == ' ' || (c) == '\t')
static void
parse_conf (const char *conf_file, struct conf *config)
{
+ unsigned int cnt = 0;
char line[256 + 1];
FILE *conf;
char *assign, *comment, *opt, *value;
char *p;
+ cnt++;
+ if ((p = strchr (line, '\r')) && *(p + 1) != '\n')
+ vfprintf_fail ("%s: CR ending of line %u is not supported, switch to CRLF/LF instead", conf_file, cnt);
if (strlen (line) > (sizeof (line) - 2))
- vfprintf_fail ("%s: line exceeds maximum of %u characters", conf_file, (unsigned int)(sizeof (line) - 2));
- if ((p = strrchr (line, '\n')))
+ vfprintf_fail ("%s: line %u exceeds maximum of %u characters", conf_file, cnt, (unsigned int)(sizeof (line) - 2));
+ if ((p = strpbrk (line, "\n\r")))
*p = '\0';
/* NAME PARSING (start) */
p = line;
opt = p;
if (!(assign = strchr (opt, '='))) /* check for = */
{
- char *space;
- if ((space = strchr (opt, ' ')))
- *space = '\0';
+ char *s;
+ if ((s = strpbrk (opt, "# ")))
+ *s = '\0';
vfprintf_fail (formats[FMT_CONF], conf_file, opt, "not followed by =");
}
p = assign;
fclose (conf);
}
+#define ASSIGN_CONF(str,val) do { \
+ free (str); \
+ str = val; \
+} while (false)
+
static void
assign_conf (const char *conf_file, struct conf *config, const char *cfg, char *val)
{
if (streq (cfg, "attr"))
- {
- free (config->attr);
- config->attr = val;
- }
+ ASSIGN_CONF (config->attr, val);
else if (streq (cfg, "color"))
- {
- free (config->color);
- config->color = val;
- }
+ ASSIGN_CONF (config->color, val);
else if (streq (cfg, "exclude-random"))
- {
- free (config->exclude_random);
- config->exclude_random = val;
- }
+ ASSIGN_CONF (config->exclude_random, val);
else if (streq (cfg, "omit-color-empty"))
- {
- free (config->omit_color_empty);
- config->omit_color_empty = val;
- }
+ ASSIGN_CONF (config->omit_color_empty, val);
else
vfprintf_fail (formats[FMT_CONF], conf_file, cfg, "not recognized");
}
else if (streq (config->omit_color_empty, "no"))
omit_color_empty = false;
else
- vfprintf_fail ("omit-color-empty conf option is not valid");
+ vfprintf_fail (formats[FMT_GENERIC], "omit-color-empty conf option is not valid");
}
}
};
const struct opt_data opts_data[] = {
{ "attr", NULL, "=ATTR1,ATTR2,..." },
+ { "config", "c", "=PATH" },
{ "exclude-random", NULL, "=COLOR" },
{ "help", "h", NULL },
{ "version", "V", NULL },
if (opt_data)
{
if (opt_data->short_opt)
- printf ("\t\t-%s, --%s\n", opt_data->short_opt, opt->name);
+ printf ("\t\t-%s, --%s", opt_data->short_opt, opt->name);
else
- printf ("\t\t --%s%s\n", opt->name, opt_data->arg);
+ printf ("\t\t --%s", opt->name);
+ if (opt_data->arg)
+ printf ("%s", opt_data->arg);
+ printf ("\n");
}
else
printf ("\t\t --%s\n", opt->name);
static void
process_args (unsigned int arg_cnt, char **arg_strings, char *attr, const struct color **colors, const char **file, FILE **stream, struct conf *config)
{
- bool use_conf_color;
+ bool has_hyphen, use_conf_color;
int ret;
char *p;
struct stat sb;
assert (color_string != NULL);
- if (streq (color_string, "-"))
+ has_hyphen = streq (color_string, "-");
+
+ if (has_hyphen)
{
if (file_string)
vfprintf_fail (formats[FMT_GENERIC], "hyphen cannot be used as color string");
- else
+ else if (!config->color)
vfprintf_fail (formats[FMT_GENERIC], "hyphen must be preceded by color string");
}
- if ((ret = lstat (color_string, &sb)) == 0) /* exists */
+ if (!has_hyphen && (ret = lstat (color_string, &sb)) == 0) /* exists */
/* Ensure that we don't fail if there's a file with one or more
color names in its path. */
use_conf_color = skip_path_colors (color_string, file_string, &sb, !!config->color);
+ else if (has_hyphen)
+ use_conf_color = true;
+ else
+ use_conf_color = false;
/* Use color from config file. */
- if (arg_cnt == 1
- && (access (color_string, F_OK) != -1)
- && use_conf_color)
+ if (arg_cnt == 1 && use_conf_color)
{
file_string = color_string;
color_string = config->color;
break;
case BACKGROUND:
vfprintf_fail (formats[FMT_COLOR], tables[BACKGROUND].desc, color, "cannot be bold");
+ break;
default: /* never reached */
ABORT_TRACE ();
}
return str;
}
+static char *
+expand_string (const char *str)
+{
+ char *s = NULL;
+ wordexp_t p;
+
+ wordexp (str, &p, 0);
+ if (p.we_wordc >= 1)
+ s = xstrdup (p.we_wordv[0]);
+ wordfree (&p);
+
+ return s;
+}
+
static bool
get_bytes_size (unsigned long bytes, struct bytes_size *bytes_size)
{
projects / colorize.git / blobdiff