diff options
Diffstat (limited to 'openbsd-compat/err.h')
-rw-r--r-- | openbsd-compat/err.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/openbsd-compat/err.h b/openbsd-compat/err.h new file mode 100644 index 0000000..394c7bb --- /dev/null +++ b/openbsd-compat/err.h | |||
@@ -0,0 +1,85 @@ | |||
1 | /* | ||
2 | * Public domain | ||
3 | * err.h compatibility shim | ||
4 | */ | ||
5 | |||
6 | #ifndef _COMPAT_ERR_H | ||
7 | #define _COMPAT_ERR_H | ||
8 | |||
9 | #if !defined(HAVE_ERR_H) | ||
10 | |||
11 | #include <errno.h> | ||
12 | #include <stdarg.h> | ||
13 | #include <stdlib.h> | ||
14 | #include <stdio.h> | ||
15 | #include <string.h> | ||
16 | |||
17 | #if defined(_MSC_VER) | ||
18 | __declspec(noreturn) | ||
19 | #else | ||
20 | __attribute__((noreturn)) | ||
21 | #endif | ||
22 | static inline void | ||
23 | err(int eval, const char *fmt, ...) | ||
24 | { | ||
25 | int sverrno = errno; | ||
26 | va_list ap; | ||
27 | |||
28 | va_start(ap, fmt); | ||
29 | if (fmt != NULL) { | ||
30 | vfprintf(stderr, fmt, ap); | ||
31 | fprintf(stderr, ": "); | ||
32 | } | ||
33 | va_end(ap); | ||
34 | fprintf(stderr, "%s\n", strerror(sverrno)); | ||
35 | exit(eval); | ||
36 | } | ||
37 | |||
38 | #if defined(_MSC_VER) | ||
39 | __declspec(noreturn) | ||
40 | #else | ||
41 | __attribute__((noreturn)) | ||
42 | #endif | ||
43 | static inline void | ||
44 | errx(int eval, const char *fmt, ...) | ||
45 | { | ||
46 | va_list ap; | ||
47 | |||
48 | va_start(ap, fmt); | ||
49 | if (fmt != NULL) | ||
50 | vfprintf(stderr, fmt, ap); | ||
51 | va_end(ap); | ||
52 | fprintf(stderr, "\n"); | ||
53 | exit(eval); | ||
54 | } | ||
55 | |||
56 | static inline void | ||
57 | warn(const char *fmt, ...) | ||
58 | { | ||
59 | int sverrno = errno; | ||
60 | va_list ap; | ||
61 | |||
62 | va_start(ap, fmt); | ||
63 | if (fmt != NULL) { | ||
64 | vfprintf(stderr, fmt, ap); | ||
65 | fprintf(stderr, ": "); | ||
66 | } | ||
67 | va_end(ap); | ||
68 | fprintf(stderr, "%s\n", strerror(sverrno)); | ||
69 | } | ||
70 | |||
71 | static inline void | ||
72 | warnx(const char *fmt, ...) | ||
73 | { | ||
74 | va_list ap; | ||
75 | |||
76 | va_start(ap, fmt); | ||
77 | if (fmt != NULL) | ||
78 | vfprintf(stderr, fmt, ap); | ||
79 | va_end(ap); | ||
80 | fprintf(stderr, "\n"); | ||
81 | } | ||
82 | |||
83 | #endif /* !defined(HAVE_ERR_H) */ | ||
84 | |||
85 | #endif /* _COMPAT_ERR_H */ | ||