IABSD.fr/xenocara/xserver/include/Xprintf.h

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• Author : matthieu
  Date : 2012-06-10 13:21:05
  Hash : e60da745
  Message : Update to xserver 1.12.2. tested by naddy@, krw@, mpi@.

• xserver/include/Xprintf.h

• /*
   * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   *
   * 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 (including the next
   * paragraph) 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.
   */
  
  #ifndef XPRINTF_H
  #define XPRINTF_H
  
  #include <stdio.h>
  #include <stdarg.h>
  #include <X11/Xfuncproto.h>
  
  #ifndef _X_RESTRICT_KYWD
  #if defined(restrict) /* assume autoconf set it correctly */ || \
     (defined(__STDC__) && (__STDC_VERSION__ - 0 >= 199901L))     /* C99 */
  #define _X_RESTRICT_KYWD  restrict
  #elif defined(__GNUC__) && !defined(__STRICT_ANSI__)    /* gcc w/C89+extensions */
  #define _X_RESTRICT_KYWD __restrict__
  #else
  #define _X_RESTRICT_KYWD
  #endif
  #endif
  
  /*
   * These functions provide a portable implementation of the common (but not
   * yet universal) asprintf & vasprintf routines to allocate a buffer big
   * enough to sprintf the arguments to.  The XNF variants terminate the server
   * if the allocation fails.
   * The buffer allocated is returned in the pointer provided in the first
   * argument.   The return value is the size of the allocated buffer, or -1
   * on failure.
   */
  extern _X_EXPORT int
  Xasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, ...)
  _X_ATTRIBUTE_PRINTF(2, 3);
  extern _X_EXPORT int
  Xvasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, va_list va)
  _X_ATTRIBUTE_PRINTF(2, 0);
  extern _X_EXPORT int
  XNFasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, ...)
  _X_ATTRIBUTE_PRINTF(2, 3);
  extern _X_EXPORT int
  XNFvasprintf(char **ret, const char *_X_RESTRICT_KYWD fmt, va_list va)
  _X_ATTRIBUTE_PRINTF(2, 0);
  
  #if !defined(HAVE_ASPRINTF) && !defined(HAVE_VASPRINTF)
  #define asprintf  Xasprintf
  #define vasprintf Xvasprintf
  #endif
  
  /*
   * These functions provide a portable implementation of the linux kernel
   * scnprintf & vscnprintf routines that return the number of bytes actually
   * copied during a snprintf, (excluding the final '\0').
   */
  extern _X_EXPORT int
  Xscnprintf(char *s, int n, const char * _X_RESTRICT_KYWD fmt, ...)
  _X_ATTRIBUTE_PRINTF(3,4);
  extern _X_EXPORT int
  Xvscnprintf(char *s, int n, const char * _X_RESTRICT_KYWD fmt, va_list va)
  _X_ATTRIBUTE_PRINTF(3,0);
  
  #endif                          /* XPRINTF_H */