33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef __FdPrintf_h__
|
|
#define __FdPrintf_h__
|
|
|
|
#ifdef _WIN32
|
|
typedef void* platform_handle_t;
|
|
#else
|
|
typedef int platform_handle_t;
|
|
#endif
|
|
|
|
/* We can't use libc's (f)printf because it would reenter in replace_malloc,
|
|
* So use a custom and simplified version. Only %p, %zu, %s and %% are
|
|
* supported, %zu, %s, support width specifiers.
|
|
*
|
|
* /!\ This function used a fixed-size internal buffer. The caller is
|
|
* expected to not use a format string that may overflow.
|
|
* The aFd argument is a file descriptor on UNIX and a native win32 file
|
|
* handle on Windows (from CreateFile). We can't use the windows POSIX
|
|
* APIs is that they don't support O_APPEND in a multi-process-safe way,
|
|
* while CreateFile does.
|
|
*/
|
|
void FdPrintf(platform_handle_t aFd, const char* aFormat, ...)
|
|
#ifdef __GNUC__
|
|
__attribute__((format(printf, 2, 3)))
|
|
#endif
|
|
;
|
|
|
|
#endif /* __FdPrintf_h__ */
|