From: Andre Noll <maan@systemlinux.org>
Date: Sat, 31 May 2008 18:40:33 +0000 (+0200)
Subject: Fix the uid parser.
X-Git-Tag: v0.0.2~29
X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=commitdiff_plain;h=89145fb2c0385736548328362e356c58c1fc409c

Fix the uid parser.

Using e.g. --uid 42 caused parse_uid_range() to pass a NULL pointer
to check_uid_arg().
---

diff --git a/adu.c b/adu.c
index 8721089..b7be069 100644
--- a/adu.c
+++ b/adu.c
@@ -80,10 +80,8 @@ static int parse_uid_range(const char *orig_arg, struct uid_range *ur)
 	int ret;
 	char *arg = para_strdup(orig_arg), *p = strchr(arg, '-');
 
-	if (!p || p == arg) {
-		if (p == arg) /* -42 */
-			p++;
-		ret = check_uid_arg(p, &ur->high);
+	if (!p || p == arg) { /* -42 or 42 */
+		ret = check_uid_arg(p? p + 1 : arg, &ur->high);
 		if (ret < 0)
 			goto out;
 		ur->low = p? 0 : ur->high;