1 7b19e0f1 2017-11-05 stsp /*
 2 72bcf0f9 2018-01-12 stsp  * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
 3 7b19e0f1 2017-11-05 stsp  *
 4 7b19e0f1 2017-11-05 stsp  * Permission to use, copy, modify, and distribute this software for any
 5 7b19e0f1 2017-11-05 stsp  * purpose with or without fee is hereby granted, provided that the above
 6 7b19e0f1 2017-11-05 stsp  * copyright notice and this permission notice appear in all copies.
 7 7b19e0f1 2017-11-05 stsp  *
 8 7b19e0f1 2017-11-05 stsp  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 7b19e0f1 2017-11-05 stsp  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 7b19e0f1 2017-11-05 stsp  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 7b19e0f1 2017-11-05 stsp  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 7b19e0f1 2017-11-05 stsp  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 7b19e0f1 2017-11-05 stsp  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 7b19e0f1 2017-11-05 stsp  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 7b19e0f1 2017-11-05 stsp  */
16 7b19e0f1 2017-11-05 stsp 
17 f334529e 2018-01-12 stsp #include <errno.h>
18 8251fdbc 2018-01-12 stsp #include <stdio.h>
19 f334529e 2018-01-12 stsp #include <stdlib.h>
20 f334529e 2018-01-12 stsp #include <string.h>
21 f334529e 2018-01-12 stsp 
22 4027f31a 2017-11-04 stsp #include "got_error.h"
23 4027f31a 2017-11-04 stsp 
24 2b4402a2 2017-11-05 stsp #ifndef nitems
25 2b4402a2 2017-11-05 stsp #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
26 2b4402a2 2017-11-05 stsp #endif
27 4027f31a 2017-11-04 stsp 
28 4027f31a 2017-11-04 stsp const struct got_error *
29 4027f31a 2017-11-04 stsp got_error(int code)
30 4027f31a 2017-11-04 stsp {
31 4027f31a 2017-11-04 stsp 	int i;
32 4027f31a 2017-11-04 stsp 
33 4027f31a 2017-11-04 stsp 	for (i = 0; i < nitems(got_errors); i++) {
34 4027f31a 2017-11-04 stsp 		if (code == got_errors[i].code)
35 4027f31a 2017-11-04 stsp 			return &got_errors[i];
36 4027f31a 2017-11-04 stsp 	}
37 4027f31a 2017-11-04 stsp 
38 f334529e 2018-01-12 stsp 	abort();
39 4027f31a 2017-11-04 stsp }
40 f334529e 2018-01-12 stsp 
41 f334529e 2018-01-12 stsp const struct got_error *
42 f334529e 2018-01-12 stsp got_error_from_errno()
43 f334529e 2018-01-12 stsp {
44 f334529e 2018-01-12 stsp 	static struct got_error err;
45 f334529e 2018-01-12 stsp 
46 f334529e 2018-01-12 stsp 	err.code = GOT_ERR_ERRNO;
47 b4691ea5 2018-04-02 stsp 	err.msg = strerror(errno);
48 f334529e 2018-01-12 stsp 	return &err;
49 f334529e 2018-01-12 stsp }
50 8251fdbc 2018-01-12 stsp 
51 8251fdbc 2018-01-12 stsp const struct got_error *
52 8251fdbc 2018-01-12 stsp got_ferror(FILE *f, int code)
53 8251fdbc 2018-01-12 stsp {
54 8251fdbc 2018-01-12 stsp 	if (ferror(f))
55 8251fdbc 2018-01-12 stsp 		return got_error_from_errno();
56 8251fdbc 2018-01-12 stsp 	return got_error(code);
57 8251fdbc 2018-01-12 stsp }