# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1653650742 -7200
# Node ID 9b767b07602c6798428496acdf260aaa4fa4ef58
# Parent  2aae1246b5786616c2c4255542b2263cd6273cbf
add convenience function to make keys from strings

diff -r 2aae1246b578 -r 9b767b07602c src/CMakeLists.txt
--- a/src/CMakeLists.txt	Fri May 27 12:59:41 2022 +0200
+++ b/src/CMakeLists.txt	Fri May 27 13:25:42 2022 +0200
@@ -5,6 +5,7 @@
         linked_list.c
         tree.c
         buffer.c
+        map.c
         hash_map.c
 )
 set(headers
diff -r 2aae1246b578 -r 9b767b07602c src/cx/map.h
--- a/src/cx/map.h	Fri May 27 12:59:41 2022 +0200
+++ b/src/cx/map.h	Fri May 27 13:25:42 2022 +0200
@@ -262,6 +262,14 @@
     return map->cl->iterator(map);
 }
 
+/**
+ * Convenience function to make a key from a NULL-terminated string.
+ *
+ * @param str the NULL-terminated string
+ * @return the string wrapped to be used as a map key
+ */
+__attribute__((__nonnull__, __warn_unused_result__))
+CxDataPtr cxMapKeyStr(char const *str);
 
 #ifdef    __cplusplus
 }
diff -r 2aae1246b578 -r 9b767b07602c src/map.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/map.c	Fri May 27 13:25:42 2022 +0200
@@ -0,0 +1,35 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string.h>
+#include "cx/map.h"
+
+CxDataPtr cxMapKeyStr(char const *str) {
+    CxDataPtr key = {(unsigned char const *) str, 1 + strlen(str)};
+    return key;
+}
\ No newline at end of file