commit ffab1979286cfaf05cfe8ecdfa3dfe93349e86b9
author Nicolas Pitre <npitre@baylibre.com> Mon Jul 08 23:02:59 2019 -0400
committer Andrew Boie <andrewboie@gmail.com> Wed Jul 10 13:42:31 2019 -0700
tree f66b26365ad6157635939eb89ca8274fb1c38fb6
parent 55dc481a156ee2b0c09bce1e267835423019a2df

libc: fix memchr() prototype

The standard memchr() uses an int for its second argument.

Signed-off-by: Nicolas Pitre <npitre@baylibre.com>

lib/libc/minimal/source/string/string.c

diff --git a/lib/libc/minimal/source/string/string.c b/lib/libc/minimal/source/string/string.c
index f965181..4dbc32d 100644
--- a/lib/libc/minimal/source/string/string.c
+++ b/lib/libc/minimal/source/string/string.c
@@ -357,13 +357,13 @@
  * @return pointer to start of found byte
  */
 
-void *memchr(const void *s, unsigned char c, size_t n)
+void *memchr(const void *s, int c, size_t n)
 {
 	if (n != 0) {
 		const unsigned char *p = s;
 
 		do {
-			if (*p++ == c) {
+			if (*p++ == (unsigned char)c) {
 				return ((void *)(p - 1));
 			}