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Fix static analyzer warnings.

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Change-Id: I45f0db2310b1188809963af93240e3d438f807b8
This commit is contained in:
Vincent Rabaud
2023-09-14 09:31:19 +02:00
parent a35ea50de4
commit 433c7dca11
11 changed files with 82 additions and 53 deletions
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14
examples/cwebp.c
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@ -306,6 +306,7 @@ static int MyWriter(const uint8_t* data, size_t data_size,
// Dumps a picture as a PGM file using the IMC4 layout.
static int DumpPicture(const WebPPicture* const picture, const char* PGM_name) {
int y;
int ok = 0;
const int uv_width = (picture->width + 1) / 2;
const int uv_height = (picture->height + 1) / 2;
const int stride = (picture->width + 1) & ~1;
@ -320,23 +321,26 @@ static int DumpPicture(const WebPPicture* const picture, const char* PGM_name) {
if (f == NULL) return 0;
fprintf(f, "P5\n%d %d\n255\n", stride, height);
for (y = 0; y < picture->height; ++y) {
if (fwrite(src_y, picture->width, 1, f) != 1) return 0;
if (fwrite(src_y, picture->width, 1, f) != 1) goto Error;
if (picture->width & 1) fputc(0, f); // pad
src_y += picture->y_stride;
}
for (y = 0; y < uv_height; ++y) {
if (fwrite(src_u, uv_width, 1, f) != 1) return 0;
if (fwrite(src_v, uv_width, 1, f) != 1) return 0;
if (fwrite(src_u, uv_width, 1, f) != 1) goto Error;
if (fwrite(src_v, uv_width, 1, f) != 1) goto Error;
src_u += picture->uv_stride;
src_v += picture->uv_stride;
}
for (y = 0; y < alpha_height; ++y) {
if (fwrite(src_a, picture->width, 1, f) != 1) return 0;
if (fwrite(src_a, picture->width, 1, f) != 1) goto Error;
if (picture->width & 1) fputc(0, f); // pad
src_a += picture->a_stride;
}
ok = 1;
Error:
fclose(f);
return 1;
return ok;
}
// -----------------------------------------------------------------------------