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Fix -W with optional parameters in getopt.

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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.
This commit is contained in:
Eric Blake
2010-04-07 17:16:27 -07:00
committed by Ulrich Drepper
parent 22ef35456e
commit aa7f642769
2 changed files with 13 additions and 2 deletions
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7
posix/getopt.c
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@@ -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;