From 456fa6c0b17b2ff465a34db031f667b3fcd4bf2e Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Fri, 20 Oct 2006 18:36:55 +0000 Subject: readlink: do not emit errors if file doesnt not exist / not a link getopt32: add =N support --- libbb/getopt32.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'libbb/getopt32.c') diff --git a/libbb/getopt32.c b/libbb/getopt32.c index 2f2f0b9e9..73e6b8684 100644 --- a/libbb/getopt32.c +++ b/libbb/getopt32.c @@ -188,6 +188,10 @@ Special characters: by a single digit (0-9) means that at least N non-option arguments must be present on the command line + "=N" An equal sign as the first char in a opt_complementary group followed + by a single digit (0-9) means that exactly N non-option + arguments must be present on the command line + "V-" An option with dash before colon or end-of-line results in bb_show_usage being called if this option is encountered. This is typically used to implement "print verbose usage message @@ -400,6 +404,11 @@ getopt32(int argc, char **argv, const char *applet_opts, ...) } continue; } + if (*s == '=') { + min_arg = max_arg = c - '0'; + s++; + continue; + } for (on_off = complementary; on_off->opt; on_off++) if (on_off->opt == *s) break; -- cgit v1.2.3