From 1994f122cc29504862944cca1da1c5203c7e41eb Mon Sep 17 00:00:00 2001 From: yzrh Date: Thu, 31 Dec 2020 22:36:28 +0000 Subject: Decode JBIG and JPEG during HN conversion. --- src/zlib.c | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) (limited to 'src/zlib.c') diff --git a/src/zlib.c b/src/zlib.c index 49004b7..76f049e 100644 --- a/src/zlib.c +++ b/src/zlib.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020, yzrh + * Copyright (c) 2020-2021, yzrh * * SPDX-License-Identifier: Apache-2.0 */ @@ -20,12 +20,34 @@ strinflate(char **dst, int dst_size, unsigned long size = dst_size; - uncompress((Bytef *) *dst, &size, (const Bytef *) src, src_size); + if (uncompress((Bytef *) *dst, + &size, (const Bytef *) src, src_size) != Z_OK) { + free(*dst); + return 1; + } + + return 0; +} - if (size != dst_size) { +int +strdeflate(char **dst, int *dst_size, + const char * restrict src, int src_size) +{ + *dst_size = compressBound(src_size); + *dst = malloc(*dst_size); + + if (*dst == NULL) + return 1; + + unsigned long size = *dst_size; + + if (compress((Bytef *) *dst, &size, + (const Bytef *) src, src_size) != Z_OK) { free(*dst); return 1; } + *dst_size = size; + return 0; } -- cgit v1.2.3