From 00528822004e5763c669e58191f10c5202f679b5 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Fri, 11 Sep 2009 23:26:42 +0200 Subject: top: add -m ("memory") option Signed-off-by: Denys Vlasenko --- libbb/getopt32.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'libbb/getopt32.c') 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 -- cgit v1.2.3