Function av_dirname

libavutil/avstring.c:276–295

}

const char *av_dirname(char *path)
{
    char *p = path ? strrchr(path, '/') : NULL;

#if HAVE_DOS_PATHS
    char *q = path ? strrchr(path, '\\') : NULL;
    char *d = path ? strchr(path, ':')  : NULL;

    d = d ? d + 1 : d;

    p = FFMAX3(p, q, d);
#endif

    if (!p)
        return ".";

    *p = '\0';

    return path;
}

char *av_append_path_component(const char *path, const char *component)
{