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authorLars Wirzenius <liw@liw.fi>2012-06-05 21:42:47 +0100
committerLars Wirzenius <liw@liw.fi>2012-06-05 21:42:47 +0100
commit99153f44efacda0ebc3cd2eb42db0a36ef2145ad (patch)
treea4971d69eb649a758ee3144fafeb482870b7f0af
parent212ab4ba7c7d5ed1d4da75069fcaebfa74582180 (diff)
downloadmoreutils-99153f44efacda0ebc3cd2eb42db0a36ef2145ad.tar.gz
Add errno --search-all-locale option
-rw-r--r--errno.c48
1 files changed, 45 insertions, 3 deletions
diff --git a/errno.c b/errno.c
index 872d11a..fd130c1 100644
--- a/errno.c
+++ b/errno.c
@@ -100,18 +100,47 @@ search(int num_words, char **words)
}
+static void
+search_all(int num_words, char **words)
+{
+ FILE *f;
+
+ /* Static buffers are ugly, but they're simple. If anyone has a
+ locale name longer than a kilobyte, they will suffer, and they
+ will complain, and then I will fix this. */
+ char line[1024];
+
+ f = popen("locale -a", "r");
+ if (f == NULL) {
+ fprintf(stderr, "ERROR: Can't execute locale -a: %d: %s\n",
+ errno, strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ while (fgets(line, sizeof line, f) != NULL) {
+ line[strcspn(line, "\n")] = '\0';
+ setlocale(LC_ALL, line);
+ search(num_words, words);
+ }
+
+ fclose(f);
+}
+
+
static struct option
options[] = {
{ "help", 0, NULL, 'h' },
{ "list", 0, NULL, 'l' },
{ "search", 0, NULL, 's' },
+ { "search-all-locales", 0, NULL, 'S' },
};
static void
usage(void)
{
- printf("Usage: errno [-ls] [--list] [--search] [keyword]\n");
+ printf("Usage: errno [-lsS] [--list] [--search] [--search-all-locales] "
+ "[keyword]\n");
}
@@ -121,12 +150,17 @@ main(int argc, char **argv)
int i;
int exit_code;
int index = 0;
- enum { lookup_mode, list_mode, search_mode } mode = lookup_mode;
+ enum {
+ lookup_mode,
+ list_mode,
+ search_mode,
+ search_all_mode
+ } mode = lookup_mode;
setlocale(LC_ALL, "");
for (;;) {
- int c = getopt_long(argc, argv, "hls", options, &index);
+ int c = getopt_long(argc, argv, "hlsS", options, &index);
if (c == -1)
break;
@@ -142,6 +176,10 @@ main(int argc, char **argv)
case 's':
mode = search_mode;
break;
+
+ case 'S':
+ mode = search_all_mode;
+ break;
case '?':
break;
@@ -179,6 +217,10 @@ main(int argc, char **argv)
case search_mode:
search(argc - optind, argv + optind);
break;
+
+ case search_all_mode:
+ search_all(argc - optind, argv + optind);
+ break;
}
return exit_code;