daxi20/smartdns
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

smartdns: Fixe coredump issue caused by running smartdns --help

Browse Source
This commit is contained in:
Nick Peng
2023-09-14 21:08:10 +08:00
parent f7ede1b7d0
commit 28139d2020
1 changed files with 7 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/smartdns.c
View File

@@ -765,7 +765,8 @@ int main(int argc, char *argv[])
sigset_t empty_sigblock; sigset_t empty_sigblock;
struct stat sb; struct stat sb;
static struct option long_options[] = {{"cache-print", required_argument, 0, 256}}; static struct option long_options[] = {
{"cache-print", required_argument, 0, 256}, {"help", no_argument, 0, 'h'}, {NULL, 0, 0, 0}};
safe_strncpy(config_file, SMARTDNS_CONF_FILE, MAX_LINE_LEN); safe_strncpy(config_file, SMARTDNS_CONF_FILE, MAX_LINE_LEN);
@@ -811,9 +812,13 @@ int main(int argc, char *argv[])
#endif #endif
case 'h': case 'h':
_help(); _help();
return 1; return 0;
case 256: case 256:
return dns_cache_print(optarg); return dns_cache_print(optarg);
break;
default:
fprintf(stderr, "unknown option, please run %s -h for help.\n", argv[0]);
return 1;
} }
} }