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normalize example exit status

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Use EXIT_SUCCESS / EXIT_FAILURE in most cases as more granularity isn't
useful. For anim_diff, use 0 (success), 1 (image difference) and 2
(error) to align it with other diff utilities (diff, etc.).

Bug: webp:637
Change-Id: I52925de8622a5a4d2141883279d69a1d95ef9b12
This commit is contained in:
James Zern
2024-04-30 18:18:23 -07:00
parent edc289092a
commit a67ff735a2
19 changed files with 139 additions and 72 deletions
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13
extras/get_disto.c
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@ -227,10 +227,11 @@ static void Help(void) {
WebPGetEnabledInputFileFormats());
}
// Returns EXIT_SUCCESS on success, EXIT_FAILURE on failure.
int main(int argc, const char* argv[]) {
WebPPicture pic1, pic2;
size_t size1 = 0, size2 = 0;
int ret = 1;
int ret = EXIT_FAILURE;
float disto[5];
int type = 0;
int c;
@ -246,7 +247,7 @@ int main(int argc, const char* argv[]) {
if (!WebPPictureInit(&pic1) || !WebPPictureInit(&pic2)) {
fprintf(stderr, "Can't init pictures\n");
FREE_WARGV_AND_RETURN(1);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
}
for (c = 1; c < argc; ++c) {
@ -262,7 +263,7 @@ int main(int argc, const char* argv[]) {
use_gray = 1;
} else if (!strcmp(argv[c], "-h")) {
help = 1;
ret = 0;
ret = EXIT_SUCCESS;
} else if (!strcmp(argv[c], "-o")) {
if (++c == argc) {
fprintf(stderr, "missing file name after %s option.\n", argv[c - 1]);
@ -337,7 +338,8 @@ int main(int argc, const char* argv[]) {
fprintf(stderr, "Error during lossless encoding.\n");
goto End;
}
ret = ImgIoUtilWriteFile(output, data, data_size) ? 0 : 1;
ret = ImgIoUtilWriteFile(output, data, data_size) ? EXIT_SUCCESS
: EXIT_FAILURE;
WebPFree(data);
if (ret) goto End;
#else
@ -345,9 +347,10 @@ int main(int argc, const char* argv[]) {
(void)data_size;
fprintf(stderr, "Cannot save the difference map. Please recompile "
"without the WEBP_REDUCE_CSP flag.\n");
goto End;
#endif // WEBP_REDUCE_CSP
}
ret = 0;
ret = EXIT_SUCCESS;
End:
WebPPictureFree(&pic1);