1 bbcba3ed 2022-01-10 op /*
 2 bbcba3ed 2022-01-10 op  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
 3 bbcba3ed 2022-01-10 op  *
 4 bbcba3ed 2022-01-10 op  * Permission to use, copy, modify, and distribute this software for any
 5 bbcba3ed 2022-01-10 op  * purpose with or without fee is hereby granted, provided that the above
 6 bbcba3ed 2022-01-10 op  * copyright notice and this permission notice appear in all copies.
 7 bbcba3ed 2022-01-10 op  *
 8 bbcba3ed 2022-01-10 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 bbcba3ed 2022-01-10 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 bbcba3ed 2022-01-10 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 bbcba3ed 2022-01-10 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 bbcba3ed 2022-01-10 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 bbcba3ed 2022-01-10 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 bbcba3ed 2022-01-10 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 bbcba3ed 2022-01-10 op  */
16 bbcba3ed 2022-01-10 op 
17 bbcba3ed 2022-01-10 op #include <errno.h>
18 bbcba3ed 2022-01-10 op #include <stdarg.h>
19 bbcba3ed 2022-01-10 op #include <stdio.h>
20 bbcba3ed 2022-01-10 op #include <stdlib.h>
21 bbcba3ed 2022-01-10 op #include <string.h>
22 bbcba3ed 2022-01-10 op 
23 bbcba3ed 2022-01-10 op #include "compat.h"
24 bbcba3ed 2022-01-10 op 
25 bbcba3ed 2022-01-10 op static void vwarn(const char*, va_list);
26 bbcba3ed 2022-01-10 op static void vwarnx(const char*, va_list);
27 bbcba3ed 2022-01-10 op 
28 bbcba3ed 2022-01-10 op static void
29 bbcba3ed 2022-01-10 op vwarn(const char *fmt, va_list ap)
30 bbcba3ed 2022-01-10 op {
31 bbcba3ed 2022-01-10 op 	fprintf(stderr, "%s: ", getprogname());
32 bbcba3ed 2022-01-10 op 	vfprintf(stderr, fmt, ap);
33 bbcba3ed 2022-01-10 op 	fprintf(stderr, ": %s\n", strerror(errno));
34 bbcba3ed 2022-01-10 op }
35 bbcba3ed 2022-01-10 op 
36 bbcba3ed 2022-01-10 op static void
37 bbcba3ed 2022-01-10 op vwarnx(const char *fmt, va_list ap)
38 bbcba3ed 2022-01-10 op {
39 bbcba3ed 2022-01-10 op 	fprintf(stderr, "%s: ", getprogname());
40 bbcba3ed 2022-01-10 op 	vfprintf(stderr, fmt, ap);
41 bbcba3ed 2022-01-10 op 	fprintf(stderr, "\n");
42 bbcba3ed 2022-01-10 op }
43 bbcba3ed 2022-01-10 op 
44 bbcba3ed 2022-01-10 op void
45 bbcba3ed 2022-01-10 op err(int ret, const char *fmt, ...)
46 bbcba3ed 2022-01-10 op {
47 bbcba3ed 2022-01-10 op 	va_list	ap;
48 bbcba3ed 2022-01-10 op 
49 bbcba3ed 2022-01-10 op 	va_start(ap, fmt);
50 bbcba3ed 2022-01-10 op 	vwarn(fmt, ap);
51 bbcba3ed 2022-01-10 op 	va_end(ap);
52 bbcba3ed 2022-01-10 op 	exit(ret);
53 bbcba3ed 2022-01-10 op }
54 bbcba3ed 2022-01-10 op 
55 bbcba3ed 2022-01-10 op void
56 bbcba3ed 2022-01-10 op errx(int ret, const char *fmt, ...)
57 bbcba3ed 2022-01-10 op {
58 bbcba3ed 2022-01-10 op 	va_list	ap;
59 bbcba3ed 2022-01-10 op 
60 bbcba3ed 2022-01-10 op 	va_start(ap, fmt);
61 bbcba3ed 2022-01-10 op 	vwarnx(fmt, ap);
62 bbcba3ed 2022-01-10 op 	va_end(ap);
63 bbcba3ed 2022-01-10 op 	exit(ret);
64 bbcba3ed 2022-01-10 op }
65 bbcba3ed 2022-01-10 op 
66 bbcba3ed 2022-01-10 op void
67 bbcba3ed 2022-01-10 op warn(const char *fmt, ...)
68 bbcba3ed 2022-01-10 op {
69 bbcba3ed 2022-01-10 op 	va_list	ap;
70 bbcba3ed 2022-01-10 op 
71 bbcba3ed 2022-01-10 op 	va_start(ap, fmt);
72 bbcba3ed 2022-01-10 op 	vwarn(fmt, ap);
73 bbcba3ed 2022-01-10 op 	va_end(ap);
74 bbcba3ed 2022-01-10 op }
75 bbcba3ed 2022-01-10 op 
76 bbcba3ed 2022-01-10 op void
77 bbcba3ed 2022-01-10 op warnx(const char *fmt, ...)
78 bbcba3ed 2022-01-10 op {
79 bbcba3ed 2022-01-10 op 	va_list	ap;
80 bbcba3ed 2022-01-10 op 
81 bbcba3ed 2022-01-10 op 	va_start(ap, fmt);
82 bbcba3ed 2022-01-10 op 	vwarnx(fmt, ap);
83 bbcba3ed 2022-01-10 op 	va_end(ap);
84 bbcba3ed 2022-01-10 op }