/*
 * Copyright (C) 1989-95 GROUPE BULL 
 *
 * 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
 * GROUPE BULL 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 of GROUPE BULL shall not be used
 * in advertising or otherwise to promote the sale, use or other dealings in
 * this Software without prior written authorization from GROUPE BULL. 
 */

/*****************************************************************************\
* RdFToBuf.c:                                                                 *
*                                                                             *
*  XPM library                                                                *
*  Copy a file to a malloc'ed buffer, provided as a convenience.              *
*                                                                             *
*  Developed by Arnaud Le Hors                                                *
\*****************************************************************************/

/*
 * The code related to FOR_MSW has been added by HeDu
 * (hedu@cul-ipn.uni-kiel.de) 4/94 
 */

#include "xpmP.h"
#include <sys/stat.h>
#include <unistd.h>
#ifndef VAX11C
#include <fcntl.h>
#endif
#ifdef FOR_MSW
#include <io.h>
#endif

int
XpmReadFileToBuffer(filename, buffer_return)
char *filename;
char **buffer_return;
{
 int fd, fcheck, len;
 char *ptr;
 struct stat stats;
 FILE *fp;

 *buffer_return = NULL;

#ifndef VAX11C
 fd = open(filename, O_RDONLY);
#else
 fd = open(filename, O_RDONLY, NULL);
#endif
 if (fd < 0)
  return XpmOpenFailed;

 if (fstat(fd, &stats))
 {
  close(fd);
  return XpmOpenFailed;
 }
 fp = fdopen(fd, "r");
 if (!fp)
 {
  close(fd);
  return XpmOpenFailed;
 }
 len = (int) stats.st_size;
 ptr = (char *) XpmMalloc(len + 1);
 if (!ptr)
 {
  fclose(fp);
  return XpmNoMemory;
 }
 fcheck = fread(ptr, len, 1, fp);
 fclose(fp);
 if (fcheck != 1)
 {
  XpmFree(ptr);
  return XpmOpenFailed;
 }
 ptr[len] = '\0';
 *buffer_return = ptr;
 return XpmSuccess;
}