Fix: replace missing memrchr function on OS X

2 files changed, 45 insertions, 0 deletions

diff --git a/src/cpulimit.c b/src/cpulimit.c
index e7d5309..8332468 100644
--- a/src/cpulimit.c
+++ b/src/cpulimit.c
@@ -46,6 +46,10 @@
 #include "process_group.h"
 #include "list.h"
 
+#ifdef __APPLE__
+#include "memrchr.c"
+#endif
+
 //some useful macro
 #ifndef MIN
 #define MIN(a,b) (((a)<(b))?(a):(b))
diff --git a/src/memrchr.c b/src/memrchr.c
new file mode 100644
index 0000000..35e07de
--- /dev/null
+++ b/src/memrchr.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2007 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <config.h>
+#include <compat.h>
+
+/*
+ * Reverse memchr()
+ * Find the last occurrence of 'c' in the buffer 's' of size 'n'.
+ */
+void *
+memrchr(s, c, n)
+    const void *s;
+    int c;
+    size_t n;
+{
+    const unsigned char *cp;
+
+    if (n != 0) {
+	cp = (unsigned char *)s + n;
+	do {
+	    if (*(--cp) == (unsigned char)c)
+		return((void *)cp);
+	} while (--n != 0);
+    }
+    return((void *)0);
+}