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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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18
examples/vwebp.c
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@ -506,7 +506,7 @@ int main(int argc, char* argv[]) {
if (!WebPInitDecoderConfig(config)) {
fprintf(stderr, "Library version mismatch!\n");
FREE_WARGV_AND_RETURN(-1);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
}
config->options.dithering_strength = 50;
config->options.alpha_dithering_strength = 100;
@ -518,7 +518,7 @@ int main(int argc, char* argv[]) {
int parse_error = 0;
if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help")) {
Help();
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else if (!strcmp(argv[c], "-noicc")) {
kParams.use_color_profile = 0;
} else if (!strcmp(argv[c], "-nofancy")) {
@ -541,7 +541,7 @@ int main(int argc, char* argv[]) {
(dec_version >> 16) & 0xff, (dec_version >> 8) & 0xff,
dec_version & 0xff, (dmux_version >> 16) & 0xff,
(dmux_version >> 8) & 0xff, dmux_version & 0xff);
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else if (!strcmp(argv[c], "-mt")) {
config->options.use_threads = 1;
} else if (!strcmp(argv[c], "--")) {
@ -553,7 +553,7 @@ int main(int argc, char* argv[]) {
} else if (argv[c][0] == '-') {
printf("Unknown option '%s'\n", argv[c]);
Help();
FREE_WARGV_AND_RETURN(-1);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
} else {
kParams.file_name = (const char*)GET_WARGV(argv, c);
file_name_argv_index = c;
@ -561,14 +561,14 @@ int main(int argc, char* argv[]) {
if (parse_error) {
Help();
FREE_WARGV_AND_RETURN(-1);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
}
}
if (kParams.file_name == NULL) {
printf("missing input file!!\n");
Help();
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
}
if (!ImgIoUtilReadFile(kParams.file_name,
@ -643,11 +643,11 @@ int main(int argc, char* argv[]) {
// Should only be reached when using FREEGLUT:
ClearParams();
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
Error:
ClearParams();
FREE_WARGV_AND_RETURN(-1);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
}
#else // !WEBP_HAVE_GL
@ -655,7 +655,7 @@ int main(int argc, char* argv[]) {
int main(int argc, const char* argv[]) {
fprintf(stderr, "OpenGL support not enabled in %s.\n", argv[0]);
(void)argc;
return 0;
return EXIT_FAILURE;
}
#endif