2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
246 lines
6.7 KiB
C
246 lines
6.7 KiB
C
/* $NetBSD: fmtmsg.c,v 1.4 2008/04/28 20:22:59 martin Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: fmtmsg.c,v 1.4 2008/04/28 20:22:59 martin Exp $");
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#endif /* LIBC_SCCS and not lint */
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#include <fmtmsg.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static unsigned int msgverb __P((const char *));
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static const char * severity2str __P((int));
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static int writeit __P((FILE *, unsigned int, const char *,
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const char *, const char *, const char *,
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const char *));
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#define MM_VERBLABEL 0x01U
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#define MM_VERBSEVERITY 0x02U
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#define MM_VERBTEXT 0x04U
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#define MM_VERBACTION 0x08U
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#define MM_VERBTAG 0x10U
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#define MM_VERBALL \
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(MM_VERBLABEL | MM_VERBSEVERITY | MM_VERBTEXT | MM_VERBACTION | \
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MM_VERBTAG)
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static const struct keyword {
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size_t len; /* strlen(keyword) */
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const char * const keyword;
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} keywords[] = {
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{ 5, "label" }, /* log2(MM_VERBLABEL) */
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{ 8, "severity" }, /* ... */
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{ 4, "text" },
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{ 6, "action" },
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{ 3, "tag" } /* log2(MM_VERBTAG) */
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};
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static const size_t nkeywords = sizeof (keywords) / sizeof (keywords[0]);
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/*
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* Convert a colon-separated list of known keywords to a set of MM_VERB*
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* flags, defaulting to `all' if not set, empty, or in presence of unknown
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* keywords.
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*/
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static unsigned int
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msgverb(str)
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const char *str;
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{
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u_int i;
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unsigned int result;
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if (str == NULL)
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return (MM_VERBALL);
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result = 0;
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while (*str != '\0') {
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for (i = 0; i < nkeywords; i++) {
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if (memcmp(str, keywords[i].keyword, keywords[i].len)
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== 0 &&
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(*(str + keywords[i].len) == ':' ||
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*(str + keywords[i].len) == '\0'))
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break;
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}
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if (i == nkeywords) {
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result = MM_VERBALL;
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break;
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}
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result |= (1 << i);
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if (*(str += keywords[i].len) == ':')
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str++; /* Advance */
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}
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if (result == 0)
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result = MM_VERBALL;
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return (result);
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}
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static const char * const severities[] = {
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"", /* MM_NONE */
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"HALT",
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"ERROR",
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"WARNING",
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"INFO"
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};
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static const size_t nseverities = sizeof (severities) / sizeof (severities[0]);
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/*
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* Returns the string representation associated with the numerical severity
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* value, defaulting to NULL for an unknown value.
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*/
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static const char *
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severity2str(severity)
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int severity;
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{
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const char *result;
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if (severity >= 0 &&
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(u_int) severity < nseverities)
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result = severities[severity];
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else
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result = NULL;
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return (result);
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}
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/*
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* Format and write the message to the given stream, selecting those
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* components displayed from msgverb, returning the number of characters
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* written, or a negative value in case of an error.
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*/
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static int
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writeit(stream, which, label, sevstr, text, action, tag)
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FILE *stream;
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unsigned int which;
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const char *label;
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const char *sevstr;
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const char *text;
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const char *action;
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const char *tag;
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{
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int nwritten;
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nwritten = fprintf(stream, "%s%s%s%s%s%s%s%s%s%s%s",
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((which & MM_VERBLABEL) && label != MM_NULLLBL) ?
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label : "",
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((which & MM_VERBLABEL) && label != MM_NULLLBL) ?
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": " : "",
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(which & MM_VERBSEVERITY) ?
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sevstr : "",
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(which & MM_VERBSEVERITY) ?
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": " : "",
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((which & MM_VERBTEXT) && text != MM_NULLTXT) ?
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text : "",
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((which & MM_VERBLABEL) && label != MM_NULLLBL) ||
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((which & MM_VERBSEVERITY)) ||
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((which & MM_VERBTEXT) && text != MM_NULLTXT) ?
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"\n" : "",
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((which & MM_VERBACTION) && action != MM_NULLACT) ?
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"TO FIX: " : "",
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((which & MM_VERBACTION) && action != MM_NULLACT) ?
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action : "",
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((which & MM_VERBACTION) && label != MM_NULLACT) ?
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" " : "",
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((which & MM_VERBTAG) && tag != MM_NULLTAG) ?
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tag : "",
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((which & MM_VERBACTION) && action != MM_NULLACT) ||
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((which & MM_VERBTAG) && tag != MM_NULLTAG) ?
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"\n" : "");
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return (nwritten);
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}
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int
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fmtmsg(classification, label, severity, text, action, tag)
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long classification;
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const char *label;
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int severity;
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const char *text;
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const char *action;
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const char *tag;
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{
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FILE *console;
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const char *p, *sevstr;
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int result;
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/* Validate label constraints, if not null. */
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if (label != MM_NULLLBL) {
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/*
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* Two fields, separated by a colon. The first field is up to
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* 10 bytes, the second is up to 14 bytes.
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*/
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p = strchr(label, ':');
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if (p == NULL || p - label > 10 || strlen(p + 1) > 14)
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return (MM_NOTOK);
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}
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/* Validate severity argument. */
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if ((sevstr = severity2str(severity)) == NULL)
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return (MM_NOTOK);
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/*
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* Fact in search for a better place: XSH5 does not define any
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* functionality for `classification' bits other than the display
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* subclassification.
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*/
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result = 0;
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if (classification & MM_PRINT) {
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if (writeit(stderr, msgverb(getenv("MSGVERB")),
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label, sevstr, text, action, tag) < 0)
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result |= MM_NOMSG;
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}
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/* Similar to MM_PRINT but ignoring $MSGVERB. */
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if (classification & MM_CONSOLE) {
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if ((console = fopen(_PATH_CONSOLE, "w")) != NULL) {
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if (writeit(console, MM_VERBALL,
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label, sevstr, text, action, tag) < 0)
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result |= MM_NOCON;
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/*
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* Ignore result: does not constitute ``generate a
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* console message.''
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*/
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(void)fclose(console);
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} else {
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result |= MM_NOCON;
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}
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}
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if (result == (MM_NOMSG | MM_NOCON))
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result = MM_NOTOK;
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return (result == 0 ? MM_OK : result);
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}
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