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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
Download Patch File Download Diff File Expand all files Collapse all files

10
examples/anim_dump.c
View File

@ -12,6 +12,7 @@
// Author: Skal (pascal.massimino@gmail.com)
#include <stdio.h>
#include <stdlib.h>
#include <string.h> // for 'strcmp'.
#include "./anim_util.h"
@ -35,6 +36,7 @@ static void Help(void) {
printf(" -version ............ print version number and exit\n");
}
// Returns EXIT_SUCCESS on success, EXIT_FAILURE on failure.
int main(int argc, const char* argv[]) {
int error = 0;
const W_CHAR* dump_folder = TO_W_CHAR(".");
@ -47,7 +49,7 @@ int main(int argc, const char* argv[]) {
if (argc < 2) {
Help();
FREE_WARGV_AND_RETURN(-1);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
}
for (c = 1; !error && c < argc; ++c) {
@ -73,7 +75,7 @@ int main(int argc, const char* argv[]) {
suffix = TO_W_CHAR("pam");
} else 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], "-version")) {
int dec_version, demux_version;
GetAnimatedImageVersions(&dec_version, &demux_version);
@ -82,7 +84,7 @@ int main(int argc, const char* argv[]) {
(dec_version >> 0) & 0xff,
(demux_version >> 16) & 0xff, (demux_version >> 8) & 0xff,
(demux_version >> 0) & 0xff);
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else {
uint32_t i;
AnimatedImage image;
@ -121,5 +123,5 @@ int main(int argc, const char* argv[]) {
ClearAnimatedImage(&image);
}
}
FREE_WARGV_AND_RETURN(error ? 1 : 0);
FREE_WARGV_AND_RETURN(error ? EXIT_FAILURE : EXIT_SUCCESS);
}