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| author |   Guido van Rossum <guido@python.org> | 1997-09-30 22:00:13 +0000 |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1997-09-30 22:00:13 +0000 |
| commit | b4102bf5f8bb429788e317312c353dd2965cdf4f (patch) | |
| tree | daacc5bff0f5a8c7900532e3d9847e241dd3513d /Python/getopt.c | |
| parent | Fixed up formatting. (diff) | |
| download | cpython-b4102bf5f8bb429788e317312c353dd2965cdf4f.tar.gz cpython-b4102bf5f8bb429788e317312c353dd2965cdf4f.tar.bz2 cpython-b4102bf5f8bb429788e317312c353dd2965cdf4f.zip | |
Fix a bug in this code that made it do the wrong thing when an option
was a single '-'. Thanks to Andrew Kuchling.
Diffstat (limited to 'Python/getopt.c')
| -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 80a00ef8bc2..91aaa28e817 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); |