pith/osdep/err_desc.c

   1 #if !defined(lint) && !defined(DOS)
   2 static char rcsid[] = "$Id: err_desc.c 761 2007-10-23 22:35:18Z hubert@u.washington.edu $";
   3 #endif
   4
   5 /*
   6  * ========================================================================
   7  * Copyright 2013-2018 Eduardo Chappa
   8  * Copyright 2006 University of Washington
   9  *
  10  * Licensed under the Apache License, Version 2.0 (the "License");
  11  * you may not use this file except in compliance with the License.
  12  * You may obtain a copy of the License at
  13  *
  14  *     http://www.apache.org/licenses/LICENSE-2.0
  15  *
  16  * ========================================================================
  17  */
  18
  19 #include <system.h>
  20 #include "err_desc.h"
  21
  22
  23 /*----------------------------------------------------------------------
  24        Return string describing the error
  25
  26    Args: errnumber -- The system error number (errno)
  27
  28  Result:  long string describing the error is returned
  29   ----*/
  30 char *
  31 error_description(int errnumber)
  32 {
  33     static char buffer[50+1];
  34
  35     buffer[0] = '\0';
  36
  37     if(errnumber >= 0)
  38       snprintf(buffer, sizeof(buffer), "%s", strerror(errnumber));
  39     else
  40       snprintf(buffer, sizeof(buffer), "Unknown error #%d", errnumber);
  41
  42     return ( (char *) buffer);
  43 }
  44
  45