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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
examples/webpinfo.c
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@ -14,6 +14,7 @@
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
#include "webp/config.h"
@ -1120,6 +1121,7 @@ static void Help(void) {
" -bitstream_info .... Parse bitstream header.\n");
}
// Returns EXIT_SUCCESS on success, EXIT_FAILURE on failure.
int main(int argc, const char* argv[]) {
int c, quiet = 0, show_diag = 0, show_summary = 0;
int parse_bitstream = 0;
@ -1130,7 +1132,7 @@ int main(int argc, const char* argv[]) {
if (argc == 1) {
Help();
FREE_WARGV_AND_RETURN(WEBP_INFO_OK);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
}
// Parse command-line input.
@ -1138,7 +1140,7 @@ int main(int argc, const char* argv[]) {
if (!strcmp(argv[c], "-h") || !strcmp(argv[c], "-help") ||
!strcmp(argv[c], "-H") || !strcmp(argv[c], "-longhelp")) {
Help();
FREE_WARGV_AND_RETURN(WEBP_INFO_OK);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else if (!strcmp(argv[c], "-quiet")) {
quiet = 1;
} else if (!strcmp(argv[c], "-diag")) {
@ -1151,7 +1153,7 @@ int main(int argc, const char* argv[]) {
const int version = WebPGetDecoderVersion();
printf("WebP Decoder version: %d.%d.%d\n",
(version >> 16) & 0xff, (version >> 8) & 0xff, version & 0xff);
FREE_WARGV_AND_RETURN(0);
FREE_WARGV_AND_RETURN(EXIT_SUCCESS);
} else { // Assume the remaining are all input files.
break;
}
@ -1159,7 +1161,7 @@ int main(int argc, const char* argv[]) {
if (c == argc) {
Help();
FREE_WARGV_AND_RETURN(WEBP_INFO_INVALID_COMMAND);
FREE_WARGV_AND_RETURN(EXIT_FAILURE);
}
// Process input files one by one.
@ -1182,5 +1184,6 @@ int main(int argc, const char* argv[]) {
webp_info_status = AnalyzeWebP(&webp_info, &webp_data);
WebPDataClear(&webp_data);
}
FREE_WARGV_AND_RETURN(webp_info_status);
FREE_WARGV_AND_RETURN((webp_info_status == WEBP_INFO_OK) ? EXIT_SUCCESS
: EXIT_FAILURE);
}