From: Takashi Iwai <tiwai@suse.de>
Date: Wed, 3 Jul 2002 09:23:36 +0000 (+0000)
Subject: fixed safe_strtoll to check the following characters.
X-Git-Tag: v1.0.3~406
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=f7267994832a1e3abddaf29a1c418bf4b3740b22;p=alsa-lib.git

fixed safe_strtoll to check the following characters.
---

diff --git a/src/conf.c b/src/conf.c
index aeefa3fa..a71219a0 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -463,10 +463,13 @@ typedef struct {
 int safe_strtoll(const char *str, long long *val)
 {
 	long long v;
+	int endidx;
 	if (!*str)
 		return -EINVAL;
 	errno = 0;
-	if (sscanf(str, "%Ld", &v) != 1)
+	if (sscanf(str, "%Ld%n", &v, &endidx) < 1)
+		return -EINVAL;
+	if (str[endidx])
 		return -EINVAL;
 	*val = v;
 	return 0;