Commit fb8565dd authored by Christopher Dykes's avatar Christopher Dykes Committed by Facebook Github Bot 4

Create the stdio.h portability header

Summary: Windows doesn't define a couple of functions.

Reviewed By: yfeldblum

Differential Revision: D2990676

fb-gh-sync-id: 1a1354bd7976cb8b4747436d6907d65210ba506c
fbshipit-source-id: 1a1354bd7976cb8b4747436d6907d65210ba506c
parent 089f5522
...@@ -286,6 +286,7 @@ nobase_follyinclude_HEADERS = \ ...@@ -286,6 +286,7 @@ nobase_follyinclude_HEADERS = \
portability/Memory.h \ portability/Memory.h \
portability/PThread.h \ portability/PThread.h \
portability/Sockets.h \ portability/Sockets.h \
portability/Stdio.h \
portability/Stdlib.h \ portability/Stdlib.h \
portability/String.h \ portability/String.h \
portability/Syslog.h \ portability/Syslog.h \
...@@ -434,6 +435,7 @@ libfolly_la_SOURCES = \ ...@@ -434,6 +435,7 @@ libfolly_la_SOURCES = \
portability/Malloc.cpp \ portability/Malloc.cpp \
portability/Memory.cpp \ portability/Memory.cpp \
portability/Sockets.cpp \ portability/Sockets.cpp \
portability/Stdio.cpp \
portability/Stdlib.cpp \ portability/Stdlib.cpp \
portability/String.cpp \ portability/String.cpp \
portability/SysFile.cpp \ portability/SysFile.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/Stdio.h>
#ifdef _WIN32
#include <cstdlib>
#include <folly/ScopeGuard.h>
#include <folly/portability/Unistd.h>
extern "C" {
int dprintf(int fd, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
SCOPE_EXIT { va_end(args); };
int len = vsnprintf(nullptr, 0, fmt, args);
if (len <= 0) {
return -1;
}
char* buf = new char[len + 1];
SCOPE_EXIT { delete[] buf; };
if (vsnprintf(buf, len + 1, fmt, args) == len && write(fd, buf, len) == len) {
return len;
}
return -1;
}
int pclose(FILE* f) { return _pclose(f); }
FILE* popen(const char* name, const char* mode) { return _popen(name, mode); }
void setbuffer(FILE* f, char* buf, size_t size) {
setvbuf(f, buf, _IOFBF, size);
}
int vasprintf(char** dest, const char* format, va_list ap) {
int len = vsnprintf(nullptr, 0, format, ap);
if (len <= 0) {
return -1;
}
char* buf = *dest = (char*)malloc(len + 1);
if (vsnprintf(buf, len + 1, format, ap) == len) {
return len;
}
free(buf);
return -1;
}
}
#endif
/*
* 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
#include <cstdio>
#ifdef _WIN32
#include <cstdarg>
#include <cstdint>
extern "C" {
int dprintf(int fd, const char* fmt, ...);
int pclose(FILE* f);
FILE* popen(const char* name, const char* mode);
void setbuffer(FILE* f, char* buf, size_t size);
int vasprintf(char** dest, const char* format, va_list ap);
}
#endif
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