IABSD.fr/xenocara/lib/libXpm/src/misc.c

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• Author : matthieu
  Date : 2006-11-25 17:32:04
  Hash : d8e9d107
  Message : import from X.Org 7.1

• lib/libXpm/src/misc.c

• /*
   * 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.
   */
  
  /*****************************************************************************\
  * misc.c:                                                                     *
  *                                                                             *
  *  XPM library                                                                *
  *  Miscellaneous utilities                                                    *
  *                                                                             *
  *  Developed by Arnaud Le Hors                                                *
  \*****************************************************************************/
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  #include "XpmI.h"
  
  #ifdef NEED_STRDUP
  /*
   * in case strdup is not provided by the system here is one
   * which does the trick
   */
  char *
  xpmstrdup(s1)
      char *s1;
  {
      char *s2;
      size_t l = strlen(s1) + 1;
  
      if (s2 = (char *) XpmMalloc(l))
  	strcpy(s2, s1);
      return s2;
  }
  
  #endif
  
  unsigned int
  xpmatoui(p, l, ui_return)
      register char *p;
      unsigned int l;
      unsigned int *ui_return;
  {
      register unsigned int n, i;
  
      n = 0;
      for (i = 0; i < l; i++)
  	if (*p >= '0' && *p <= '9')
  	    n = n * 10 + *p++ - '0';
  	else
  	    break;
  
      if (i != 0 && i == l) {
  	*ui_return = n;
  	return 1;
      } else
  	return 0;
  }
  
  /*
   * Function returning a character string related to an error code.
   */
  char *
  XpmGetErrorString(errcode)
      int errcode;
  {
      switch (errcode) {
      case XpmColorError:
  	return ("XpmColorError");
      case XpmSuccess:
  	return ("XpmSuccess");
      case XpmOpenFailed:
  	return ("XpmOpenFailed");
      case XpmFileInvalid:
  	return ("XpmFileInvalid");
      case XpmNoMemory:
  	return ("XpmNoMemory");
      case XpmColorFailed:
  	return ("XpmColorFailed");
      default:
  	return ("Invalid XpmError");
      }
  }
  
  /*
   * The following function provides a way to figure out if the linked library is
   * newer or older than the one with which a program has been first compiled.
   */
  int
  XpmLibraryVersion()
  {
      return XpmIncludeVersion;
  }
  
  
  /* The following should help people wanting to use their own functions */
  #ifdef XpmFree
  #undef XpmFree
  #endif
  
  void
  XpmFree(ptr)
      void *ptr;
  {
      free(ptr);
  }