Use memrchr if available

diff --git a/src/nnn.c b/src/nnn.c
index cc40a98e96b2ed70d71b0c11e53274db8638e98d..fbeb41bf2b169c9721452fb8377bd5e388b97878 100644 (file)
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -926,7 +926,7 @@ static size_t xstrsncpy(char *restrict dst, const char *restrict src, size_t n)
        return end - dst;
 }
 
-static inline size_t xstrlen(const char *s)
+static inline size_t xstrlen(const char *restrict s)
 {
 #if !defined(__GLIBC__)
        return strlen(s); // NOLINT
@@ -935,7 +935,7 @@ static inline size_t xstrlen(const char *s)
 #endif
 }
 
-static char *xstrdup(const char *s)
+static char *xstrdup(const char *restrict s)
 {
        size_t len = xstrlen(s) + 1;
        char *ptr = malloc(len);
@@ -965,8 +965,12 @@ static bool is_suffix(const char *str, const char *suffix)
  * And we are NOT expecting a '/' at the end.
  * Ideally 0 < n <= xstrlen(s).
  */
-static void *xmemrchr(uchar *s, uchar ch, size_t n)
+static void *xmemrchr(uchar *restrict s, uchar ch, size_t n)
 {
+#if defined(__GLIBC__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
+       return memrchr(s, ch, n);
+#else
+
        if (!s || !n)
                return NULL;
 
@@ -978,6 +982,7 @@ static void *xmemrchr(uchar *s, uchar ch, size_t n)
        while (s != ptr);
 
        return NULL;
+#endif
 }
 
 /* Assumes both the paths passed are directories */