pith/osdep/err_desc.c

   1 /*
   2  * ========================================================================
   3  * Copyright 2013-2022 Eduardo Chappa
   4  * Copyright 2006 University of Washington
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * ========================================================================
  13  */
  14
  15 #include <system.h>
  16 #include "err_desc.h"
  17
  18
  19 /*----------------------------------------------------------------------
  20        Return string describing the error
  21
  22    Args: errnumber -- The system error number (errno)
  23
  24  Result:  long string describing the error is returned
  25   ----*/
  26 char *
  27 error_description(int errnumber)
  28 {
  29     static char buffer[50+1];
  30
  31     buffer[0] = '\0';
  32
  33     if(errnumber >= 0)
  34       snprintf(buffer, sizeof(buffer), "%s", strerror(errnumber));
  35     else
  36       snprintf(buffer, sizeof(buffer), "Unknown error #%d", errnumber);
  37
  38     return ( (char *) buffer);
  39 }
  40
  41