diff options
Diffstat (limited to 'package/utils/rbextract/src/rle.c')
| -rw-r--r-- | package/utils/rbextract/src/rle.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/package/utils/rbextract/src/rle.c b/package/utils/rbextract/src/rle.c deleted file mode 100644 index ca198ee9fc..0000000000 --- a/package/utils/rbextract/src/rle.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * RLE decoding routine - * - * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include <stdio.h> -#include <stddef.h> -#include <stdint.h> -#include <stdbool.h> -#include <sys/types.h> - -#include "rle.h" - -int rle_decode(const unsigned char *src, size_t srclen, - unsigned char *dst, size_t dstlen, - size_t *src_done, size_t *dst_done) -{ - size_t srcpos, dstpos; - int ret; - - srcpos = 0; - dstpos = 0; - ret = 1; - - /* sanity checks */ - if (!src || !srclen || !dst || !dstlen) - goto out; - - while (1) { - signed char count; - - if (srcpos >= srclen) - break; - - count = (signed char) src[srcpos++]; - if (count == 0) { - ret = 0; - break; - } - - if (count > 0) { - unsigned char c; - - if (srcpos >= srclen) - break; - - c = src[srcpos++]; - - while (count--) { - if (dstpos >= dstlen) - break; - - dst[dstpos++] = c; - } - } else { - count *= -1; - - while (count--) { - if (srcpos >= srclen) - break; - if (dstpos >= dstlen) - break; - dst[dstpos++] = src[srcpos++]; - } - } - } - -out: - if (src_done) - *src_done = srcpos; - if (dst_done) - *dst_done = dstpos; - - return ret; -} |