X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fmem%2Fmem.c;h=853f975db15c1e0c096387c53973a7bdf3b14095;hb=79a88af5cf4b8cec81efa3a61a016cf0bd658c49;hp=ce675ff0db4238b6840fcdd98bff736ba90b508c;hpb=992931f06cf25d24fe74b4c617753aef2de70426;p=ccan

diff --git a/ccan/mem/mem.c b/ccan/mem/mem.c
index ce675ff0..853f975d 100644
--- a/ccan/mem/mem.c
+++ b/ccan/mem/mem.c
@@ -25,3 +25,18 @@ void *memmem(const void *haystack, size_t haystacklen,
 	return NULL;
 }
 #endif
+
+#if !HAVE_MEMRCHR
+void *memrchr(const void *s, int c, size_t n)
+{
+	unsigned char *p = (unsigned char *)s;
+
+	while (n) {
+		if (p[n-1] == c)
+			return p + n - 1;
+		n--;
+	}
+
+	return NULL;
+}
+#endif