diff options
Diffstat (limited to 'libbb/getopt32.c')
| -rw-r--r-- | libbb/getopt32.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/libbb/getopt32.c b/libbb/getopt32.c index 17b8dd1a4..cab3eb745 100644 --- a/libbb/getopt32.c +++ b/libbb/getopt32.c @@ -147,15 +147,15 @@ const char *opt_complementary Special characters: - "-" A dash as the first char in a opt_complementary group forces - all arguments to be treated as options, even if they have - no leading dashes. Next char in this case can't be a digit (0-9), - use ':' or end of line. For example: + "-" A group consisting of just a dash forces all arguments + to be treated as options, even if they have no leading dashes. + Next char in this case can't be a digit (0-9), use ':' or end of line. + Example: - opt_complementary = "-:w-x:x-w"; - getopt32(argv, "wx"); + opt_complementary = "-:w-x:x-w"; // "-w-x:x-w" would also work, + getopt32(argv, "wx"); // but is less readable - Allows any arguments to be given without a dash (./program w x) + This makes it possible to use options without a dash (./program w x) as well as with a dash (./program -x). NB: getopt32() will leak a small amount of memory if you use |