thodg/got/lib/error.c

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  Commit

• Author : Stefan Sperling
  Date : 2017-11-05 13:48:22
  Hash : 2b4402a2
  Message : only define nitems() if it is not already defined

• lib/error.c

• /*
   * Copyright (c) 2017 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #include "got_error.h"
  
  #ifndef nitems
  #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
  #endif
  
  const struct got_error *
  got_error(int code)
  {
  	int i;
  
  	for (i = 0; i < nitems(got_errors); i++) {
  		if (code == got_errors[i].code)
  			return &got_errors[i];
  	}
  
  	return &got_errors[GOT_ERR_UNKNOWN];
  }