2 .\" The Regents of the University of California. All rights reserved.
4 .\" Redistribution and use in source and binary forms, with or without
5 .\" modification, are permitted provided that the following conditions
7 .\" 1. Redistributions of source code must retain the above copyright
8 .\" notice, this list of conditions and the following disclaimer.
9 .\" 2. Redistributions in binary form must reproduce the above copyright
10 .\" notice, this list of conditions and the following disclaimer in the
11 .\" documentation and/or other materials provided with the distribution.
12 .\" 3. All advertising materials mentioning features or use of this software
13 .\" must display the following acknowledgement:
14 .\" This product includes software developed by the University of
15 .\" California, Berkeley and its contributors.
16 .\" 4. Neither the name of the University nor the names of its contributors
17 .\" may be used to endorse or promote products derived from this software
18 .\" without specific prior written permission.
20 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 .\" From: @(#)err.3 8.1 (Berkeley) 6/9/93
33 .\" $FreeBSD: src/lib/libc/gen/err.3,v 1.11.2.5 2001/08/17 15:42:32 ru Exp $
35 .\" 2007-12-08, mtk, Converted from mdoc to man macros
37 .TH ERR 3 2007-12-28 "Linux" "Linux Programmer's Manual"
39 .\"O err, verr, errx, verrx, warn, vwarn, warnx, vwarnx \- formatted error messages
41 err, verr, errx, verrx, warn, vwarn, warnx, vwarnx \- ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤òÀ°·Á¤¹¤ë
48 .BI "void err(int " eval ", const char *" fmt ", ...);"
50 .BI "void errx(int " eval ", const char *" fmt ", ...);"
52 .BI "void warn(const char *" fmt ", ...);"
54 .BI "void warnx(const char *" fmt ", ...);"
56 .B #include <stdarg.h>
58 .BI "void verr(int " eval ", const char *" fmt ", va_list " args );
60 .BI "void verrx(int " eval ", const char *" fmt ", va_list " args );
62 .BI "void vwarn(const char *" fmt ", va_list " args );
64 .BI "void vwarnx(const char *" fmt ", va_list " args );
72 .\"O family of functions display a formatted error message on the standard
77 ´Ø¿ô·²¤Ï¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤òÀ°·Á¤·¤Æɸ½à¥¨¥é¡¼½ÐÎϤËɽ¼¨¤¹¤ë¡£
78 .\"O In all cases, the last component of the program name, a colon character,
79 .\"O and a space are output.
80 ¤É¤Î´Ø¿ô¤Î¾ì¹ç¤â¡¢(¥Ç¥£¥ì¥¯¥È¥êÉôʬ¤ò¾Ê¤¤¤¿)¥×¥í¥°¥é¥à̾¡¢
81 ¥³¥í¥ó 1¸Ä¡¢¥¹¥Ú¡¼¥¹ 1¸Ä¤¬½ÐÎϤµ¤ì¤ë¡£
84 .\"O argument is not NULL, the
85 .\"O .BR printf (3)-like
86 .\"O formatted error message is output.
88 °ú¤¿ô¤¬ NULL ¤Ç¤Ê¤¤¾ì¹ç¡¢
90 ¤ÈƱÍͤËÀ°·Á¤¬¹Ô¤ï¤ì¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤¬½ÐÎϤµ¤ì¤ë¡£
91 .\"O The output is terminated by a newline character.
92 ½ÐÎϤϲþ¹Ôʸ»ú¤Ç½ª¤ï¤ë¡£
100 .\"O functions append an error message obtained from
101 .\"O .BR strerror (3)
102 .\"O based on a code or the global variable
104 .\"O preceded by another colon and space unless the
108 \"O motoki: based on a code or ¡Á ¤Î¡Öa code¡×¤È¤Ï¡©
114 ¤Ï¡¢¥³¡¼¥É¤Þ¤¿¤Ï¥°¥í¡¼¥Ð¥ëÊÑ¿ô
118 ¤«¤éÆÀ¤¿¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò½ÐÎϤ¹¤ë¡£
121 ¤Ç¤Ê¤¤¾ì¹ç¤Ï¡¢°ì¸Ä¤º¤Ä¤Î¥³¥í¥ó¤È¥¹¥Ú¡¼¥¹¤Ë³¤±¤Æ½ÐÎϤ¹¤ë¡£
129 .\"O functions use the global variable
131 .\"O to look up the error message.
137 ¤Ï¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤òõ¤¹¤¿¤á¤Ë¥°¥í¡¼¥Ð¥ëÊÑ¿ô
145 .\"O functions do not append an error message.
149 ¤Ï¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤òÉÕ¤±²Ã¤¨¤Ê¤¤¡£
157 .\"O functions do not return, but exit with the value of the argument
164 ¤ÏÊÖ¤êÃͤòÊÖ¤µ¤Ê¤¤¤¬¡¢°ú¤¿ô
166 ¤ÎÃͤò exit status ¤ËÀßÄꤷ½ªÎ»¤¹¤ë¡£
169 .\"O Display the current
171 .\"O information string and exit:
174 ¤Î¾ðÊó¤òɽ¼¨¤·¡¢½ªÎ»¤¹¤ë:
178 if ((p = malloc(size)) == NULL)
180 if ((fd = open(file_name, O_RDONLY, 0)) == \-1)
181 err(1, "%s", file_name);
185 .\"O Display an error message and exit:
186 ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤òɽ¼¨¤·¡¢½ªÎ»¤¹¤ë:
190 if (tm.tm_hour < START_TIME)
191 errx(1, "too early, wait until %s", start_time_string);
195 .\"O Warn of an error:
196 ¥¨¥é¡¼¤ò·Ù¹ðɽ¼¨¤¹¤ë:
200 if ((fd = open(raw_device, O_RDONLY, 0)) == \-1)
201 warnx("%s: %s: trying the block device",
202 raw_device, strerror(errno));
203 if ((fd = open(block_device, O_RDONLY, 0)) == \-1)
204 err(1, "%s", block_device);
207 .\"O .SH "CONFORMING TO"
209 .\"O These functions are nonstandard BSD extensions.
210 ¤³¤ì¤é¤Î´Ø¿ô¤ÏÈóɸ½à¤Î BSD ³ÈÄ¥¤Ç¤¢¤ë¡£
217 .\"O .\" functions first appeared in
225 .\" ¤Ç½é¤á¤ÆÅо줷¤¿¡£