src/common.[ch]: Implement "strtolower" and "strtolower_copy".

diff --git a/src/common.c b/src/common.c
index 2b6b5eb9180efa2272695de031d0d3d4c6d49ac0..4916b3ca0cb0b507038a22dc3bfb7613c301339a 100644 (file)
--- 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 2b5662f6b5eb5a57d277b07e02c3bec0c6cdadfa..ad589e7bfd717bf786cf32fd5bbc12895255d6e8 100644 (file)
--- 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 : */