Subject: [PATCH 4/7] parse-options: let OPT__ABBREV ignore arguments.

From: Pierre Habouzit <[email-masked]>
Date: Mon, 17 Dec 2007 19:23:14 +0100

Signed-off-by: Pierre Habouzit <[email-masked]>
---
 parse-options.c |   16 +++++++++-------
 1 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/parse-options.c b/parse-options.c
index f3f0f2a..679a963 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -359,19 +359,21 @@ void usage_with_options(const char * const *usagestr,
 
 int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int flags)
 {
-	int v;
-
-	if (!arg) {
-		v = flags & PARSE_OPT_UNSET ? 0 : DEFAULT_ABBREV;
-	} else {
+	int v = flags & PARSE_OPT_UNSET ? 0 : DEFAULT_ABBREV;
+	if (arg) {
 		v = strtol(arg, (char **)&arg, 10);
-		if (*arg)
+		if (*arg) {
+			if (flags & PARSE_OPT_MAY_IGN) {
+				*(int *)opt->value = DEFAULT_ABBREV;
+				return PARSE_OPT_IGNORE;
+			}
 			return opterror(opt, "expects a numerical value", 0);
+		}
 		if (v && v < MINIMUM_ABBREV)
 			v = MINIMUM_ABBREV;
 		else if (v > 40)
 			v = 40;
 	}
-	*(int *)(opt->value) = v;
+	*(int *)opt->value = v;
 	return 0;
 }
-- 
1.5.4.rc0.1148.ga3ab1-dirty