diff options
| -rw-r--r-- | Python/getopt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Python/getopt.c b/Python/getopt.c index 80a00ef..91aaa28 100644 --- a/Python/getopt.c +++ b/Python/getopt.c @@ -62,7 +62,10 @@ char optstring[]; opt_ptr = &argv[optind++][1]; } - if ((ptr = strchr(optstring, option = *opt_ptr++)) == NULL) { + if ( (option = *opt_ptr++) == '\0') + return -1; + + if ((ptr = strchr(optstring, option)) == NULL) { if (opterr) fprintf(stderr, "Unknown option: -%c\n", option); |