1 files changed, 14 insertions, 0 deletions
diff --git a/lib/string.c b/lib/string.c
index ad6db47fa..d63f624d9 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -363,3 +363,17 @@ char * strstr(const char * s1,const char * s2)
 	return NULL;
 }
 #endif
+
+#ifndef __HAVE_ARCH_MEMCHR
+void *memchr(const void *s, int c, size_t n)
+{
+	unsigned char *p = s;
+	while (n-- != 0) {
+        	if ((unsigned char)c == *p++) {
+			return p-1;
+		}
+	}
+	return NULL;
+}
+
+#endif