From: hj kim <backto.kim@samsung.com>
Date: Thu, 24 Jan 2019 00:11:46 +0000 (+0900)
Subject: Move IMG_HEADER_LENGTH to use commonly and check minimum size of input buffer
X-Git-Tag: submit/tizen_5.0/20190124.003758^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8bd986425e91b7604bcbb3c53f1fe0b88440542b;p=platform%2Fcore%2Fapi%2Fimage-util.git

Move IMG_HEADER_LENGTH to use commonly and check minimum size of input buffer

Change-Id: Ie046834a43d361bbcf9d7d4a4432c90c6e07f899
---

diff --git a/src/image_util_decode.c b/src/image_util_decode.c
index 0e93a0c..4b0aabc 100644
--- a/src/image_util_decode.c
+++ b/src/image_util_decode.c
@@ -34,11 +34,10 @@ static int _convert_decode_scale_tbl[] = {
 
 #define _NUM_OF_SCALE			(sizeof(_convert_decode_scale_tbl)/sizeof(int))
 #define _NOT_SUPPORTED_IMAGE_TYPE (-1)
+#define IMG_HEADER_LENGTH 8
 
 static int _image_util_decode_read_header(const char *path, unsigned char **buffer)
 {
-#define IMG_HEADER_LENGTH 8
-
 	FILE *fp = NULL;
 	unsigned char *read_buffer = NULL;
 
@@ -200,7 +199,7 @@ int image_util_decode_set_input_buffer(image_util_decode_h handle, const unsigne
 	decode_encode_s *_handle = (decode_encode_s *) handle;
 
 	IMAGE_UTIL_DECODE_HANDLE_CHECK(handle);
-	image_util_retvm_if((src_buffer == NULL || src_size == 0), IMAGE_UTIL_ERROR_INVALID_PARAMETER, "Invalid input buffer");
+	image_util_retvm_if((src_buffer == NULL || src_size < IMG_HEADER_LENGTH), IMAGE_UTIL_ERROR_INVALID_PARAMETER, "Invalid input buffer");
 
 	IMAGE_UTIL_SAFE_FREE(_handle->path);