diff options
Diffstat (limited to 'examples/cwebp.c')
| -rw-r--r-- | examples/cwebp.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/examples/cwebp.c b/examples/cwebp.c index 835579d9..cab70054 100644 --- a/examples/cwebp.c +++ b/examples/cwebp.c @@ -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; } // ----------------------------------------------------------------------------- |