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| author | Eric Blake <ebb9@byu.net> | 2010-04-07 17:16:27 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-04-07 17:16:27 -0700 |
| commit | aa7f642769abcfbce658aeaaffdc9fb4790cd905 (patch) | |
| tree | ea9fe568ed20f3a3aefae5ff33f0831fc5d161ea /posix/getopt.c | |
| parent | 22ef35456ea0b36e09f3241043f894eb71d2c9da (diff) | |
| download | glibc-aa7f642769abcfbce658aeaaffdc9fb4790cd905.zip glibc-aa7f642769abcfbce658aeaaffdc9fb4790cd905.tar.gz glibc-aa7f642769abcfbce658aeaaffdc9fb4790cd905.tar.bz2 | |
Fix -W with optional parameters in getopt.
According to the getopt documentation, if "W;" is part of optstring, then '-W
foo' should behave like '--foo'. But if "foo" uses an optional_argument, this
is not the case, since optarg is not NULL when using -W.
Diffstat (limited to 'posix/getopt.c')
| -rw-r--r-- | posix/getopt.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/posix/getopt.c b/posix/getopt.c index 88acff0..01c1071 100644 --- a/posix/getopt.c +++ b/posix/getopt.c @@ -911,7 +911,10 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, pfound = p; indfound = option_index; } - else + else if (long_only + || pfound->has_arg != p->has_arg + || pfound->flag != p->flag + || pfound->val != p->val) /* Second or later nonexact match found. */ ambig = 1; } @@ -1028,6 +1031,8 @@ _getopt_internal_r (int argc, char *const *argv, const char *optstring, return optstring[0] == ':' ? ':' : '?'; } } + else + d->optarg = NULL; d->__nextchar += strlen (d->__nextchar); if (longind != NULL) *longind = option_index; |