IABSD.fr/xenocara/xserver/os/xprintf.c

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• Author : matthieu
  Date : 2006-11-26 18:13:41
  Hash : 889b8606
  Message : Importing xserver from X.Org 7.2RC2

• xserver/os/xprintf.c

• /* 
   * printf routines which xalloc their buffer
   */ 
  /*
   * Copyright (c) 2004 Alexander Gottwald
   *
   * 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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.
   *
   * Except as contained in this notice, the name(s) of the above copyright
   * holders shall not be used in advertising or otherwise to promote the sale,
   * use or other dealings in this Software without prior written authorization.
   */
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include <X11/Xos.h>
  #include "os.h"
  #include <stdarg.h>
  #include <stdio.h>
  
  #ifndef va_copy
  # ifdef __va_copy
  #  define va_copy __va_copy
  # else
  #  error "no working va_copy was found"
  # endif
  #endif
      
  char *
  Xvprintf(const char *format, va_list va)
  {
      char *ret;
      int size;
      va_list va2;
  
      va_copy(va2, va);
      size = vsnprintf(NULL, 0, format, va2);
      va_end(va2);
  
      ret = (char *)Xalloc(size + 1);
      if (ret == NULL)
          return NULL;
  
      vsnprintf(ret, size + 1, format, va);
      ret[size] = 0;
      return ret;
  }
  
  char *Xprintf(const char *format, ...)
  {
      char *ret;
      va_list va;
      va_start(va, format);
      ret = Xvprintf(format, va);
      va_end(va);
      return ret;
  }
  
  char *
  XNFvprintf(const char *format, va_list va)
  {
      char *ret;
      int size;
      va_list va2;
  
      va_copy(va2, va);
      size = vsnprintf(NULL, 0, format, va2);
      va_end(va2);
  
      ret = (char *)XNFalloc(size + 1);
      if (ret == NULL)
          return NULL;
  
      vsnprintf(ret, size + 1, format, va);
      ret[size] = 0;
      return ret;
  }
  
  char *XNFprintf(const char *format, ...)
  {
      char *ret;
      va_list va;
      va_start(va, format);
      ret = XNFvprintf(format, va);
      va_end(va);
      return ret;
  }