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add ABI compatibility check

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minor revision shouldn't matter, we only check major revision number.
Bumped all version numbers so that incompatibility starts *now*

Change-Id: Id06c20f03039845ae4cfb3fd121807b931d67ee4
This commit is contained in:
Pascal Massimino
2012-07-18 11:53:25 -07:00
parent 2a77557002
commit f7f16a2976
9 changed files with 30 additions and 21 deletions
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17
src/dec/vp8.c
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@ -35,9 +35,10 @@ static void SetOk(VP8Decoder* const dec) {
}
int VP8InitIoInternal(VP8Io* const io, int version) {
if (version != WEBP_DECODER_ABI_VERSION)
if (WEBP_ABI_IS_INCOMPATIBLE(version, WEBP_DECODER_ABI_VERSION)) {
return 0; // mismatch error
if (io) {
}
if (io != NULL) {
memset(io, 0, sizeof(*io));
}
return 1;
@ -45,7 +46,7 @@ int VP8InitIoInternal(VP8Io* const io, int version) {
VP8Decoder* VP8New(void) {
VP8Decoder* const dec = (VP8Decoder*)calloc(1, sizeof(VP8Decoder));
if (dec) {
if (dec != NULL) {
SetOk(dec);
WebPWorkerInit(&dec->worker_);
dec->ready_ = 0;
@ -60,13 +61,13 @@ VP8StatusCode VP8Status(VP8Decoder* const dec) {
}
const char* VP8StatusMessage(VP8Decoder* const dec) {
if (!dec) return "no object";
if (dec == NULL) return "no object";
if (!dec->error_msg_) return "OK";
return dec->error_msg_;
}
void VP8Delete(VP8Decoder* const dec) {
if (dec) {
if (dec != NULL) {
VP8Clear(dec);
free(dec);
}
@ -136,7 +137,7 @@ int VP8GetInfo(const uint8_t* data, size_t data_size, size_t chunk_size,
// Header parsing
static void ResetSegmentHeader(VP8SegmentHeader* const hdr) {
assert(hdr);
assert(hdr != NULL);
hdr->use_segment_ = 0;
hdr->update_map_ = 0;
hdr->absolute_delta_ = 1;
@ -147,8 +148,8 @@ static void ResetSegmentHeader(VP8SegmentHeader* const hdr) {
// Paragraph 9.3
static int ParseSegmentHeader(VP8BitReader* br,
VP8SegmentHeader* hdr, VP8Proba* proba) {
assert(br);
assert(hdr);
assert(br != NULL);
assert(hdr != NULL);
hdr->use_segment_ = VP8Get(br);
if (hdr->use_segment_) {
hdr->update_map_ = VP8Get(br);