From: Jo-Philipp Wich <jo@mein.io>
Date: Sat, 25 Jan 2020 12:57:01 +0000 (+0100)
Subject: libopkg: fix skipping of leading whitespace when parsing checksums
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c09fe2098718807ddbca13ee36e3e38801822946;p=oweals%2Fopkg-lede.git

libopkg: fix skipping of leading whitespace when parsing checksums

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
---

diff --git a/libopkg/file_util.c b/libopkg/file_util.c
index 61ff736..7e955ed 100644
--- a/libopkg/file_util.c
+++ b/libopkg/file_util.c
@@ -235,7 +235,7 @@ char *checksum_hex2bin(const char *src, size_t *len)
 {
 	size_t slen;
 	unsigned char *p;
-	const unsigned char *s = (unsigned char *)src;
+	const unsigned char *s;
 	static unsigned char buf[32];
 
 	if (!src) {
@@ -253,7 +253,7 @@ char *checksum_hex2bin(const char *src, size_t *len)
 		return NULL;
 	}
 
-	for (p = buf, *len = 0;
+	for (s = (unsigned char *)src, p = buf, *len = 0;
 	     slen > 0 && isxdigit(s[0]) && isxdigit(s[1]);
 	     slen--, s += 2, (*len)++)
 		*p++ = hex2bin(s[0]) * 16 + hex2bin(s[1]);