From 96c41b0aed8e2b9f6a5fa70dbba77465a2da4173 Mon Sep 17 00:00:00 2001
From: Florian Forster <ff@octo.it>
Date: Sun, 20 Jun 2010 21:39:05 +0200
Subject: [PATCH] src/common.[ch]: Implement "strtolower" and
 "strtolower_copy".

---
 src/common.c | 22 ++++++++++++++++++++++
 src/common.h |  3 +++
 2 files changed, 25 insertions(+)

diff --git a/src/common.c b/src/common.c
index 2b6b5eb..4916b3c 100644
--- a/src/common.c
+++ b/src/common.c
@@ -3,6 +3,7 @@
 #include <stdint.h>
 #include <inttypes.h>
 #include <string.h>
+#include <ctype.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -190,4 +191,25 @@ int print_debug (const char *format, ...) /* {{{ */
   return (status);
 } /* }}} int print_debug */
 
+char *strtolower (char *str) /* {{{ */
+{
+  unsigned int i;
+
+  if (str == NULL)
+    return (NULL);
+
+  for (i = 0; str[i] != 0; i++)
+    str[i] = (char) tolower ((int) str[i]);
+
+  return (str);
+} /* }}} char *strtolower */
+
+char *strtolower_copy (const char *str)
+{
+  if (str == NULL)
+    return (NULL);
+
+  return (strdup (str));
+}
+
 /* vim: set sw=2 sts=2 et fdm=marker : */
diff --git a/src/common.h b/src/common.h
index 2b5662f..ad589e7 100644
--- a/src/common.h
+++ b/src/common.h
@@ -20,5 +20,8 @@ int ds_list_from_rrd_file (char *file,
 
 uint32_t get_random_color (void);
 
+char *strtolower (char *str);
+char *strtolower_copy (const char *str);
+
 #endif /* COMMON_H */
 /* vim: set sw=2 sts=2 et fdm=marker : */
-- 
2.11.0