1 014c66b6 2023-06-25 op /*
 2 014c66b6 2023-06-25 op  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
 3 014c66b6 2023-06-25 op  *
 4 014c66b6 2023-06-25 op  * Permission to use, copy, modify, and distribute this software for any
 5 014c66b6 2023-06-25 op  * purpose with or without fee is hereby granted, provided that the above
 6 014c66b6 2023-06-25 op  * copyright notice and this permission notice appear in all copies.
 7 014c66b6 2023-06-25 op  *
 8 014c66b6 2023-06-25 op  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 014c66b6 2023-06-25 op  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 014c66b6 2023-06-25 op  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 014c66b6 2023-06-25 op  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 014c66b6 2023-06-25 op  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 014c66b6 2023-06-25 op  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 014c66b6 2023-06-25 op  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 014c66b6 2023-06-25 op  */
16 014c66b6 2023-06-25 op 
17 014c66b6 2023-06-25 op #include <errno.h>
18 014c66b6 2023-06-25 op #include <stdarg.h>
19 014c66b6 2023-06-25 op #include <stdio.h>
20 014c66b6 2023-06-25 op #include <stdlib.h>
21 014c66b6 2023-06-25 op #include <string.h>
22 014c66b6 2023-06-25 op 
23 014c66b6 2023-06-25 op static void vwarn_impl(const char*, va_list);
24 014c66b6 2023-06-25 op static void vwarnx_impl(const char*, va_list);
25 014c66b6 2023-06-25 op 
26 014c66b6 2023-06-25 op static void
27 014c66b6 2023-06-25 op vwarn_impl(const char *fmt, va_list ap)
28 014c66b6 2023-06-25 op {
29 014c66b6 2023-06-25 op 	fprintf(stderr, "%s: ", getprogname());
30 014c66b6 2023-06-25 op 	vfprintf(stderr, fmt, ap);
31 014c66b6 2023-06-25 op 	fprintf(stderr, ": %s\n", strerror(errno));
32 014c66b6 2023-06-25 op }
33 014c66b6 2023-06-25 op 
34 014c66b6 2023-06-25 op static void
35 014c66b6 2023-06-25 op vwarnx_impl(const char *fmt, va_list ap)
36 014c66b6 2023-06-25 op {
37 014c66b6 2023-06-25 op 	fprintf(stderr, "%s: ", getprogname());
38 014c66b6 2023-06-25 op 	vfprintf(stderr, fmt, ap);
39 014c66b6 2023-06-25 op 	fprintf(stderr, "\n");
40 014c66b6 2023-06-25 op }
41 014c66b6 2023-06-25 op 
42 014c66b6 2023-06-25 op void
43 014c66b6 2023-06-25 op err(int ret, const char *fmt, ...)
44 014c66b6 2023-06-25 op {
45 014c66b6 2023-06-25 op 	va_list	ap;
46 014c66b6 2023-06-25 op 
47 014c66b6 2023-06-25 op 	va_start(ap, fmt);
48 014c66b6 2023-06-25 op 	vwarn_impl(fmt, ap);
49 014c66b6 2023-06-25 op 	va_end(ap);
50 014c66b6 2023-06-25 op 	exit(ret);
51 014c66b6 2023-06-25 op }
52 014c66b6 2023-06-25 op 
53 014c66b6 2023-06-25 op void
54 014c66b6 2023-06-25 op errx(int ret, const char *fmt, ...)
55 014c66b6 2023-06-25 op {
56 014c66b6 2023-06-25 op 	va_list	ap;
57 014c66b6 2023-06-25 op 
58 014c66b6 2023-06-25 op 	va_start(ap, fmt);
59 014c66b6 2023-06-25 op 	vwarnx_impl(fmt, ap);
60 014c66b6 2023-06-25 op 	va_end(ap);
61 014c66b6 2023-06-25 op 	exit(ret);
62 014c66b6 2023-06-25 op }
63 014c66b6 2023-06-25 op 
64 014c66b6 2023-06-25 op void
65 014c66b6 2023-06-25 op warn(const char *fmt, ...)
66 014c66b6 2023-06-25 op {
67 014c66b6 2023-06-25 op 	va_list	ap;
68 014c66b6 2023-06-25 op 
69 014c66b6 2023-06-25 op 	va_start(ap, fmt);
70 014c66b6 2023-06-25 op 	vwarn_impl(fmt, ap);
71 014c66b6 2023-06-25 op 	va_end(ap);
72 014c66b6 2023-06-25 op }
73 014c66b6 2023-06-25 op 
74 014c66b6 2023-06-25 op void
75 014c66b6 2023-06-25 op warnx(const char *fmt, ...)
76 014c66b6 2023-06-25 op {
77 014c66b6 2023-06-25 op 	va_list	ap;
78 014c66b6 2023-06-25 op 
79 014c66b6 2023-06-25 op 	va_start(ap, fmt);
80 014c66b6 2023-06-25 op 	vwarnx_impl(fmt, ap);
81 014c66b6 2023-06-25 op 	va_end(ap);
82 014c66b6 2023-06-25 op }