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add support for non-option arguments extension to getopt

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this is a GNU extension, activated by including '-' as the first
character of the options string, whereby non-option arguments are
processed as if they were arguments to an option character '\1' rather
than ending option processing.
This commit is contained in:
Gianluca Anzolin
2014-12-02 19:03:04 -05:00
committed by Rich Felker
parent d8dc2b7c02
commit b72cd07f17
2 changed files with 20 additions and 4 deletions
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src/misc/getopt_long.c
+4 -3
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@@ -12,9 +12,10 @@ static int __getopt_long(int argc, char *const *argv, const char *optstring, con
__optpos = 0;
optind = 1;
}
if (optind >= argc || !argv[optind] || argv[optind][0] != '-') return -1;
if ((longonly && argv[optind][1]) ||
(argv[optind][1] == '-' && argv[optind][2]))
if (optind >= argc || !argv[optind]) return -1;
if (argv[optind][0] == '-' &&
((longonly && argv[optind][1]) ||
(argv[optind][1] == '-' && argv[optind][2])))
{
int i;
for (i=0; longopts[i].name; i++) {