Commit | Line | Data |
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1e64b3ba JH |
1 | #include <sys/cdefs.h> |
2 | ||
3 | #include <err.h> | |
4 | #include <errno.h> | |
5 | #include <stdio.h> | |
6 | #include <stdlib.h> | |
7 | #include <string.h> | |
8 | ||
9 | #ifdef __STDC__ | |
10 | #include <stdarg.h> | |
11 | #else | |
12 | #include <varargs.h> | |
13 | #endif | |
14 | ||
15 | char *__progname = "nvi"; /* Program name, from crt0. */ | |
16 | ||
17 | void | |
18 | #ifdef __STDC__ | |
19 | err(int eval, const char *fmt, ...) | |
20 | #else | |
21 | err(eval, fmt, va_alist) | |
22 | int eval; | |
23 | const char *fmt; | |
24 | va_dcl | |
25 | #endif | |
26 | { | |
27 | va_list ap; | |
28 | #ifdef __STDC__ | |
29 | va_start(ap, fmt); | |
30 | #else | |
31 | va_start(ap); | |
32 | #endif | |
33 | verr(eval, fmt, ap); | |
34 | va_end(ap); | |
35 | } | |
36 | ||
37 | void | |
38 | verr(eval, fmt, ap) | |
39 | int eval; | |
40 | const char *fmt; | |
41 | va_list ap; | |
42 | { | |
43 | int sverrno; | |
44 | ||
45 | sverrno = errno; | |
46 | (void)fprintf(stderr, "%s: ", __progname); | |
47 | if (fmt != NULL) { | |
48 | (void)vfprintf(stderr, fmt, ap); | |
49 | (void)fprintf(stderr, ": "); | |
50 | } | |
51 | (void)fprintf(stderr, "%s\n", strerror(sverrno)); | |
52 | exit(eval); | |
53 | } | |
54 | ||
55 | void | |
56 | #ifdef __STDC__ | |
57 | errx(int eval, const char *fmt, ...) | |
58 | #else | |
59 | errx(eval, fmt, va_alist) | |
60 | int eval; | |
61 | const char *fmt; | |
62 | va_dcl | |
63 | #endif | |
64 | { | |
65 | va_list ap; | |
66 | #ifdef __STDC__ | |
67 | va_start(ap, fmt); | |
68 | #else | |
69 | va_start(ap); | |
70 | #endif | |
71 | verrx(eval, fmt, ap); | |
72 | va_end(ap); | |
73 | } | |
74 | ||
75 | void | |
76 | verrx(eval, fmt, ap) | |
77 | int eval; | |
78 | const char *fmt; | |
79 | va_list ap; | |
80 | { | |
81 | (void)fprintf(stderr, "%s: ", __progname); | |
82 | if (fmt != NULL) | |
83 | (void)vfprintf(stderr, fmt, ap); | |
84 | (void)fprintf(stderr, "\n"); | |
85 | exit(eval); | |
86 | } | |
87 | ||
88 | void | |
89 | #ifdef __STDC__ | |
90 | warn(const char *fmt, ...) | |
91 | #else | |
92 | warn(fmt, va_alist) | |
93 | const char *fmt; | |
94 | va_dcl | |
95 | #endif | |
96 | { | |
97 | va_list ap; | |
98 | #ifdef __STDC__ | |
99 | va_start(ap, fmt); | |
100 | #else | |
101 | va_start(ap); | |
102 | #endif | |
103 | vwarn(fmt, ap); | |
104 | va_end(ap); | |
105 | } | |
106 | ||
107 | void | |
108 | vwarn(fmt, ap) | |
109 | const char *fmt; | |
110 | va_list ap; | |
111 | { | |
112 | int sverrno; | |
113 | ||
114 | sverrno = errno; | |
115 | (void)fprintf(stderr, "%s: ", __progname); | |
116 | if (fmt != NULL) { | |
117 | (void)vfprintf(stderr, fmt, ap); | |
118 | (void)fprintf(stderr, ": "); | |
119 | } | |
120 | (void)fprintf(stderr, "%s\n", strerror(sverrno)); | |
121 | } | |
122 | ||
123 | void | |
124 | #ifdef __STDC__ | |
125 | warnx(const char *fmt, ...) | |
126 | #else | |
127 | warnx(fmt, va_alist) | |
128 | const char *fmt; | |
129 | va_dcl | |
130 | #endif | |
131 | { | |
132 | va_list ap; | |
133 | #ifdef __STDC__ | |
134 | va_start(ap, fmt); | |
135 | #else | |
136 | va_start(ap); | |
137 | #endif | |
138 | vwarnx(fmt, ap); | |
139 | va_end(ap); | |
140 | } | |
141 | ||
142 | void | |
143 | vwarnx(fmt, ap) | |
144 | const char *fmt; | |
145 | va_list ap; | |
146 | { | |
147 | (void)fprintf(stderr, "%s: ", __progname); | |
148 | if (fmt != NULL) | |
149 | (void)vfprintf(stderr, fmt, ap); | |
150 | (void)fprintf(stderr, "\n"); | |
151 | } |