Create the strings.h portability header

Summary: Windows doesn't have it.

Reviewed By: yfeldblum

Differential Revision: D2990219

fb-gh-sync-id: e9fe96905ec415874f0e2732b0685f3e7ad5d018
shipit-source-id: e9fe96905ec415874f0e2732b0685f3e7ad5d018

folly/Makefile.am

@@ -269,6 +269,7 @@ nobase_follyinclude_HEADERS = \
 	portability/Environment.h \
 	portability/GFlags.h \
 	portability/Stdlib.h \
+	portability/Strings.h \
 	portability/Syscall.h \
 	portability/SysTime.h \
 	portability/SysUio.h \
@@ -399,6 +400,7 @@ libfolly_la_SOURCES = \
 	MemoryMapping.cpp \
 	portability/Environment.cpp \
 	portability/Stdlib.cpp \
+	portability/Strings.cpp \
 	portability/SysTime.cpp \
 	portability/Time.cpp \
 	Random.cpp \

folly/portability/Strings.cpp

+/*
+ * Copyright 2016 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <folly/portability/Strings.h>
+
+#ifdef _WIN32
+#include <string.h>
+
+extern "C" {
+void bzero(void* s, size_t n) { memset(s, 0, n); }
+
+int strcasecmp(const char* a, const char* b) { return _stricmp(a, b); }
+
+int strncasecmp(const char* a, const char* b, size_t c) {
+  return _strnicmp(a, b, c);
+}
+}
+#endif

folly/portability/Strings.h

+/*
+ * Copyright 2016 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#ifndef _WIN32
+#include <strings.h>
+#else
+#include <cstdint>
+
+extern "C" {
+void bzero(void* s, size_t n);
+int strcasecmp(const char* a, const char* b);
+int strncasecmp(const char* a, const char* b, size_t c);
+}
+#endif