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main: add -c,--check-config

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When this option is used, we exit after loading the
configuration. Either with an error message and a non-zero exit
code (bad config), or no messages and a zero exit code (good config).
This commit is contained in:
Daniel Eklöf 2019-05-09 19:14:58 +02:00
parent cb0bc20b38
commit 55c5cfab46
2 changed files with 21 additions and 2 deletions
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18
main.c
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@ -124,7 +124,8 @@ print_usage(const char *prog_name)
printf("Usage: %s [OPTION]...\n", prog_name);
printf("\n");
printf("Options:\n");
printf(" -v,--version print f00sel version and quit\n");
printf(" -c,--check-config verify configuration then quit\n"
" -v,--version print f00sel version and quit\n");
}
int
@ -133,17 +134,24 @@ main(int argc, char *const *argv)
setlocale(LC_ALL, "");
static const struct option longopts[] = {
{"check-config", no_argument, 0, 'c'},
{"version", no_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{NULL, no_argument, 0, 0},
};
bool verify_config = false;
while (true) {
int c = getopt_long(argc, argv, ":vh", longopts, NULL);
int c = getopt_long(argc, argv, ":cvh", longopts, NULL);
if (c == -1)
break;
switch (c) {
case 'c':
verify_config = true;
break;
case 'v':
printf("f00bar version %s\n", F00BAR_VERSION);
return EXIT_SUCCESS;
@ -194,6 +202,12 @@ main(int argc, char *const *argv)
return 1;
}
if (verify_config) {
bar->destroy(bar);
close(abort_fd);
return 0;
}
bar->abort_fd = abort_fd;
thrd_t bar_thread;