X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=compat%2Fcompat_uuid.c;fp=compat%2Fcompat_uuid.c;h=6216f7994cb97f6750607be3c6ba04a223f3633e;hp=0000000000000000000000000000000000000000;hb=9d1e7de0dd0572e8071e0bd620c1c569e8b5396b;hpb=e9452def10b0edc7dd064bf6f739a61fdd5229f3

diff --git a/compat/compat_uuid.c b/compat/compat_uuid.c
new file mode 100644
index 00000000..6216f799
--- /dev/null
+++ b/compat/compat_uuid.c
@@ -0,0 +1,111 @@
+/*
+ * compat/compat_uuid.h
+ *
+ * Copyright (C) 2013   Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* This file is only built under MINGW32 */
+
+#include <windows.h>
+#include <stdlib.h>
+#include <babeltrace/compat/uuid.h>
+
+/* MinGW does not provide byteswap - implement our own version. */
+static
+void swap(unsigned char *ptr, unsigned int i, unsigned int j)
+{
+	unsigned char tmp;
+
+	tmp = ptr[i];
+	ptr[i] = ptr[j];
+	ptr[j] = tmp;
+}
+
+static
+void fix_uuid_endian(unsigned char * ptr)
+{
+	swap(ptr, 0, 3)
+	swap(ptr, 1, 2)
+	swap(ptr, 4, 5)
+	swap(ptr, 6, 7)
+}
+
+int babeltrace_uuid_generate(unsigned char *uuid_out)
+{
+	RPC_STATUS status;
+
+	status = UuidCreate((struct UUID *)uuid_out);
+	if (status == RPC_S_OK)
+		return 0;
+	else
+		return -1;
+}
+
+int babeltrace_uuid_unparse(const unsigned char *uuid_in, char *str_out)
+{
+	RPC_STATUS status;
+	unsigned char *alloc_str;
+	int ret;
+	unsigned char copy_of_uuid_in[BABELTRACE_UUID_LEN];
+
+	/* make a modifyable copy of uuid_in */
+	memcpy(copy_of_uuid_in, uuid_in, BABELTRACE_UUID_LEN);
+
+	fix_uuid_endian(copy_of_uuid_in);
+	status = UuidToString((struct UUID *) copy_of_uuid_in, &alloc_str);
+
+	if (status == RPC_S_OK) {
+		strncpy(str_out, (char *) alloc_str, BABELTRACE_UUID_STR_LEN);
+		str_out[BABELTRACE_UUID_STR_LEN - 1] = '\0';
+		ret = 0;
+	} else {
+		ret = -1;
+	}
+	RpcStringFree(&alloc_str);
+	return ret;
+}
+
+int babeltrace_uuid_parse(const char *str_in, unsigned char *uuid_out)
+{
+	RPC_STATUS status;
+
+	status = UuidFromString((unsigned char *) str_in,
+			(struct UUID *) uuid_out);
+	fix_uuid_endian(uuid_out);
+
+	if (status == RPC_S_OK)
+		return 0;
+	else
+		return -1;
+}
+
+int babeltrace_uuid_compare(const unsigned char *uuid_a,
+		const unsigned char *uuid_b)
+{
+	RPC_STATUS status;
+
+	if (!UuidCompare((struct UUID *) uuid_a, (struct UUID *) uuid_b,
+			&status)) {
+		return 0;
+	} else {
+		return -1;
+	}
+}