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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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5
extras/webp_quality.c
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@ -15,6 +15,7 @@
#include "imageio/imageio_util.h"
#include "../examples/unicode.h"
// Returns EXIT_SUCCESS on success, EXIT_FAILURE on failure.
int main(int argc, const char* argv[]) {
int c;
int quiet = 0;
@ -27,7 +28,7 @@ int main(int argc, const char* argv[]) {
quiet = 1;
} else if (!strcmp(argv[c], "-help") || !strcmp(argv[c], "-h")) {
printf("webp_quality [-h][-quiet] webp_files...\n");
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else {
const char* const filename = (const char*)GET_WARGV(argv, c);
const uint8_t* data = NULL;
@ -50,5 +51,5 @@ int main(int argc, const char* argv[]) {
free((void*)data);
}
}
FREE_WARGV_AND_RETURN(ok ? 0 : 1);
FREE_WARGV_AND_RETURN(ok ? EXIT_SUCCESS : EXIT_FAILURE);
}