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authorBen Cheng <bccheng@google.com>2013-03-28 11:14:20 -0700
committerBen Cheng <bccheng@google.com>2013-03-28 12:40:33 -0700
commitaf0c51ac87ab2a87caa03fa108f0d164987a2764 (patch)
tree4b8b470f7c5b69642fdab8d0aa1fbc148d02196b /gcc-4.8/libgo/runtime/go-type-string.c
parentd87cae247d39ebf4f5a6bf25c932a14d2fdb9384 (diff)
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[GCC 4.8] Initial check-in of GCC 4.8.0
Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771
Diffstat (limited to 'gcc-4.8/libgo/runtime/go-type-string.c')
-rw-r--r--gcc-4.8/libgo/runtime/go-type-string.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc-4.8/libgo/runtime/go-type-string.c b/gcc-4.8/libgo/runtime/go-type-string.c
new file mode 100644
index 000000000..a96af0290
--- /dev/null
+++ b/gcc-4.8/libgo/runtime/go-type-string.c
@@ -0,0 +1,43 @@
+/* go-type-string.c -- hash and equality string functions.
+
+ Copyright 2009 The Go Authors. All rights reserved.
+ Use of this source code is governed by a BSD-style
+ license that can be found in the LICENSE file. */
+
+#include "runtime.h"
+#include "go-type.h"
+#include "go-string.h"
+
+/* A string hash function for a map. */
+
+uintptr_t
+__go_type_hash_string (const void *vkey,
+ uintptr_t key_size __attribute__ ((unused)))
+{
+ uintptr_t ret;
+ const String *key;
+ intgo len;
+ intgo i;
+ const byte *p;
+
+ ret = 5381;
+ key = (const String *) vkey;
+ len = key->len;
+ for (i = 0, p = key->str; i < len; i++, p++)
+ ret = ret * 33 + *p;
+ return ret;
+}
+
+/* A string equality function for a map. */
+
+_Bool
+__go_type_equal_string (const void *vk1, const void *vk2,
+ uintptr_t key_size __attribute__ ((unused)))
+{
+ const String *k1;
+ const String *k2;
+
+ k1 = (const String *) vk1;
+ k2 = (const String *) vk2;
+ return __go_ptr_strings_equal (k1, k2);
+}