source: MondoRescue/branches/2.2.9/mindi-busybox/libbb/get_last_path_component.c@ 3320

/* vi: set sw=4 ts=4: */
/*
 * bb_get_last_path_component implementation for busybox
 *
 * Copyright (C) 2001  Manuel Novoa III  <mjn3@codepoet.org>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
 */

#include "libbb.h"
/*
 * "/"        -> "/"
 * "abc"      -> "abc"
 * "abc/def"  -> "def"
 * "abc/def/" -> ""
 */
char* FAST_FUNC bb_get_last_path_component_nostrip(const char *path)
{
    char *slash = strrchr(path, '/');

    if (!slash || (slash == path && !slash[1]))
        return (char*)path;

    return slash + 1;
}

/*
 * "/"        -> "/"
 * "abc"      -> "abc"
 * "abc/def"  -> "def"
 * "abc/def/" -> "def" !!
 */
char* FAST_FUNC bb_get_last_path_component_strip(char *path)
{
    char *slash = last_char_is(path, '/');

    if (slash)
        while (*slash == '/' && slash != path)
            *slash-- = '\0';

    return bb_get_last_path_component_nostrip(path);
}