source: MondoRescue/branches/2.2.9/mindi-busybox/applets/usage.c@ 2725

/* vi: set sw=4 ts=4: */
/*
 * Copyright (C) 2008 Denys Vlasenko.
 *
 * Licensed under GPLv2, see file LICENSE in this source tree.
 */
#include <unistd.h>
#include <stdlib.h>
#include <string.h>

#include "autoconf.h"

/* Since we can't use platform.h, have to do this again by hand: */
#if ENABLE_NOMMU
# define BB_MMU 0
# define USE_FOR_NOMMU(...) __VA_ARGS__
# define USE_FOR_MMU(...)
#else
# define BB_MMU 1
# define USE_FOR_NOMMU(...)
# define USE_FOR_MMU(...) __VA_ARGS__
#endif

#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)
{
    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;
}