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Add NULL check in chunk APIs

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Change-Id: I173ff6c9259111762580c1963ff60e34fd1e9b6b
This commit is contained in:
Urvang Joshi
2012-10-30 15:50:47 -07:00
parent a077072777
commit 02b4356875
3 changed files with 19 additions and 12 deletions
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6
src/webp/mux.h
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@ -179,7 +179,7 @@ static WEBP_INLINE WebPMux* WebPMuxCreate(const WebPData* bitstream,
// copy_data - (in) value 1 indicates given data WILL be copied to the mux
// and value 0 indicates data will NOT be copied.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if mux or chunk_data is NULL
// WEBP_MUX_INVALID_ARGUMENT - if mux, fourcc or chunk_data is NULL
// or if fourcc corresponds to an image chunk.
// WEBP_MUX_MEMORY_ERROR - on memory allocation error.
// WEBP_MUX_OK - on success.
@ -195,7 +195,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxSetChunk(
// e.g., "ICCP", "META" etc.
// chunk_data - (out) returned chunk data
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if either mux or chunk_data is NULL
// WEBP_MUX_INVALID_ARGUMENT - if either mux, fourcc or chunk_data is NULL
// or if fourcc corresponds to an image chunk.
// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given id.
// WEBP_MUX_OK - on success.
@ -208,7 +208,7 @@ WEBP_EXTERN(WebPMuxError) WebPMuxGetChunk(
// fourcc - (in) a character array containing the fourcc of the chunk;
// e.g., "ICCP", "META" etc.
// Returns:
// WEBP_MUX_INVALID_ARGUMENT - if mux is NULL
// WEBP_MUX_INVALID_ARGUMENT - if mux or fourcc is NULL
// or if fourcc corresponds to an image chunk.
// WEBP_MUX_NOT_FOUND - If mux does not contain a chunk with the given fourcc.
// WEBP_MUX_OK - on success.