X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fcompat%2Fstring.h;h=a7bcab0a8c345a6e34019b2419d424207372be10;hp=7c426ef3de3bd97e5056ef469f6db6cb528b1c61;hb=6ec9dc48cf7f3d5e1fc01f741197c0bacc94bbf0;hpb=afc5df0361caae100946d58aa557433891d52cb3

diff --git a/src/common/compat/string.h b/src/common/compat/string.h
index 7c426ef3d..a7bcab0a8 100644
--- a/src/common/compat/string.h
+++ b/src/common/compat/string.h
@@ -117,11 +117,31 @@ static inline int lttng_fls(int val)
 		r -= 2;
 	}
 	if (!(x & 0x80000000U)) {
-		x <<= 1;
 		r -= 1;
 	}
 	return r;
 }
 #endif /* HAVE_FLS */
 
+#if HAVE_MEMRCHR
+static inline
+void *lttng_memrchr(const void *s, int c, size_t n)
+{
+	return memrchr(s, c, n);
+}
+#else
+static inline
+void *lttng_memrchr(const void *s, int c, size_t n)
+{
+	int i;
+	const char *str = s;
+	for (i = n-1; i >= 0; i--) {
+		if (str[i] == (char)c) {
+			return (void *)(str+i);
+		}
+	}
+	return NULL;
+}
+#endif /* HAVE_MEMRCHR */
+
 #endif /* _COMPAT_STRING_H */