diff options
Diffstat (limited to 'applets/usage.c')
| -rw-r--r-- | applets/usage.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/applets/usage.c b/applets/usage.c index d4fd12f..46adbf4 100644 --- a/applets/usage.c +++ b/applets/usage.c @@ -5,9 +5,9 @@ * Licensed under GPLv2, see file LICENSE in this tarball for details. */ #include <unistd.h> +#include <stdlib.h> +#include <string.h> -/* Just #include "autoconf.h" doesn't work for builds in separate - * object directory */ #include "autoconf.h" /* Since we can't use platform.h, have to do this again by hand: */ @@ -21,14 +21,35 @@ # define USE_FOR_MMU(...) __VA_ARGS__ #endif -static const char usage_messages[] = "" -#define MAKE_USAGE #include "usage.h" +#define MAKE_USAGE(aname, usage) { aname, usage }, +static struct usage_data { + const char *aname; + const char *usage; +} usage_array[] = { #include "applets.h" -; +}; + +static int compare_func(const void *a, const void *b) +{ + const struct usage_data *ua = a; + const struct usage_data *ub = b; + return strcmp(ua->aname, ub->aname); +} int main(void) { - write(STDOUT_FILENO, usage_messages, sizeof(usage_messages)); + int i; + int num_messages = sizeof(usage_array) / sizeof(usage_array[0]); + + if (num_messages == 0) + return 0; + + qsort(usage_array, + num_messages, sizeof(usage_array[0]), + compare_func); + for (i = 0; i < num_messages; i++) + write(STDOUT_FILENO, usage_array[i].usage, strlen(usage_array[i].usage) + 1); + return 0; } |