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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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6
extras/vwebp_sdl.c
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@ -15,6 +15,7 @@
// Author: James Zern (jzern@google.com)
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
#include "webp/config.h"
@ -49,6 +50,7 @@ static void ProcessEvents(void) {
}
}
// Returns EXIT_SUCCESS on success, EXIT_FAILURE on failure.
int main(int argc, char* argv[]) {
int c;
int ok = 0;
@ -61,7 +63,7 @@ int main(int argc, char* argv[]) {
size_t webp_size = 0;
if (!strcmp(argv[c], "-h")) {
printf("Usage: %s [-h] image.webp [more_files.webp...]\n", argv[0]);
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else {
file = (const char*)GET_WARGV(argv, c);
}
@ -87,7 +89,7 @@ int main(int argc, char* argv[]) {
Error:
SDL_Quit();
FREE_WARGV_AND_RETURN(ok ? 0 : 1);
FREE_WARGV_AND_RETURN(ok ? EXIT_SUCCESS : EXIT_FAILURE);
}
#else // !WEBP_HAVE_SDL