rosapps/applications/cmdutils/touch/err.c

   1 /*-
   2  * Copyright (c) 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #if defined(LIBC_SCCS) && !defined(lint)
  35 static char sccsid[] = "@(#)err.c       8.1 (Berkeley) 6/4/93";
  36 #endif /* LIBC_SCCS and not lint */
  37
  38 #include "err.h"
  39 #include <errno.h>
  40 #include <stdio.h>
  41 #include <stdlib.h>
  42 #include <string.h>
  43
  44 #ifdef __STDC__
  45 #include <stdarg.h>
  46 #else
  47 #include <varargs.h>
  48 #endif
  49
  50 extern char *__progname;                /* Program name, from crt0. */
  51
  52 void
  53 #ifdef __STDC__
  54 err(int eval, const char *fmt, ...)
  55 #else
  56 err(eval, fmt, va_alist)
  57         int eval;
  58         const char *fmt;
  59         va_dcl
  60 #endif
  61 {
  62         va_list ap;
  63 #if __STDC__
  64         va_start(ap, fmt);
  65 #else
  66         va_start(ap);
  67 #endif
  68         verr(eval, fmt, ap);
  69         va_end(ap);
  70 }
  71
  72 void
  73 verr(int eval, const char *fmt, va_list ap)
  74 {
  75         int sverrno;
  76
  77         sverrno = errno;
  78         (void)fprintf(stderr, "%s: ", __progname);
  79         if (fmt != NULL) {
  80                 (void)vfprintf(stderr, fmt, ap);
  81                 (void)fprintf(stderr, ": ");
  82         }
  83         (void)fprintf(stderr, "%s\n", strerror(sverrno));
  84         exit(eval);
  85 }
  86
  87 void
  88 #if __STDC__
  89 errx(int eval, const char *fmt, ...)
  90 #else
  91 errx(eval, fmt, va_alist)
  92         int eval;
  93         const char *fmt;
  94         va_dcl
  95 #endif
  96 {
  97         va_list ap;
  98 #if __STDC__
  99         va_start(ap, fmt);
 100 #else
 101         va_start(ap);
 102 #endif
 103         verrx(eval, fmt, ap);
 104         va_end(ap);
 105 }
 106
 107 void
 108 verrx(int eval, const char *fmt, va_list ap)
 109 {
 110         (void)fprintf(stderr, "%s: ", __progname);
 111         if (fmt != NULL)
 112                 (void)vfprintf(stderr, fmt, ap);
 113         (void)fprintf(stderr, "\n");
 114         exit(eval);
 115 }
 116
 117 void
 118 #if __STDC__
 119 warn(const char *fmt, ...)
 120 #else
 121 warn(fmt, va_alist)
 122         const char *fmt;
 123         va_dcl
 124 #endif
 125 {
 126         va_list ap;
 127 #if __STDC__
 128         va_start(ap, fmt);
 129 #else
 130         va_start(ap);
 131 #endif
 132         vwarn(fmt, ap);
 133         va_end(ap);
 134 }
 135
 136 void
 137 vwarn(fmt, ap)
 138         const char *fmt;
 139         va_list ap;
 140 {
 141         int sverrno;
 142
 143         sverrno = errno;
 144         (void)fprintf(stderr, "%s: ", __progname);
 145         if (fmt != NULL) {
 146                 (void)vfprintf(stderr, fmt, ap);
 147                 (void)fprintf(stderr, ": ");
 148         }
 149         (void)fprintf(stderr, "%s\n", strerror(sverrno));
 150 }
 151
 152 void
 153 #ifdef __STDC__
 154 warnx(const char *fmt, ...)
 155 #else
 156 warnx(fmt, va_alist)
 157         const char *fmt;
 158         va_dcl
 159 #endif
 160 {
 161         va_list ap;
 162 #ifdef __STDC__
 163         va_start(ap, fmt);
 164 #else
 165         va_start(ap);
 166 #endif
 167         vwarnx(fmt, ap);
 168         va_end(ap);
 169 }
 170
 171 void
 172 vwarnx(fmt, ap)
 173         const char *fmt;
 174         va_list ap;
 175 {
 176         (void)fprintf(stderr, "%s: ", __progname);
 177         if (fmt != NULL)
 178                 (void)vfprintf(stderr, fmt, ap);
 179         (void)fprintf(stderr, "\n");
 180 }