778 lines
17 KiB
C
778 lines
17 KiB
C
/* ex:ts=4
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*/
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/* $NetBSD: gencat.c,v 1.18 2003/10/27 00:12:43 lukem Exp $ */
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/*
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* Copyright (c) 1996 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 J.T. Conklin.
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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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/***********************************************************
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Copyright 1990, by Alfalfa Software Incorporated, Cambridge, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that Alfalfa's name not be used in
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advertising or publicity pertaining to distribution of the software
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without specific, written prior permission.
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ALPHALPHA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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ALPHALPHA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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If you make any modifications, bugfixes or other changes to this software
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we'd appreciate it if you could send a copy to us so we can keep things
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up-to-date. Many thanks.
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Kee Hinckley
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Alfalfa Software, Inc.
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267 Allston St., #3
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Cambridge, MA 02139 USA
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nazgul@alfalfa.com
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******************************************************************/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#define _NLS_PRIVATE
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <arpa/inet.h> /* for htonl() */
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <nl_types.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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#include <unistd.h>
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struct _msgT {
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long msgId;
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char *str;
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LIST_ENTRY(_msgT) entries;
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};
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struct _setT {
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long setId;
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LIST_HEAD(msghead, _msgT) msghead;
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LIST_ENTRY(_setT) entries;
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};
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LIST_HEAD(sethead, _setT) sethead;
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static struct _setT *curSet;
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static char *curline = NULL;
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static long lineno = 0;
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static char *cskip(char *);
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static void error(const char *);
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static char *getline(int);
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static char *getmsg(int, char *, char);
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static void warning(const char *, const char *);
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static char *wskip(char *);
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static char *xstrdup(const char *);
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static void *xmalloc(size_t);
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static void *xrealloc(void *, size_t);
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void MCParse(int);
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void MCReadCat(int);
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void MCWriteCat(int);
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void MCDelMsg(int);
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void MCAddMsg(int, const char *);
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void MCAddSet(int);
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void MCDelSet(int);
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void usage(void);
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int main(int, char **);
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void
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usage(void)
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{
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fprintf(stderr, "usage: %s catfile msgfile ...\n", getprogname());
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exit(1);
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}
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int
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main(int argc, char **argv)
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{
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int ofd, ifd;
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char *catfile = NULL;
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int c;
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#define DEPRECATEDMSG 1
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#ifdef DEPRECATEDMSG
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while ((c = getopt(argc, argv, "new")) != -1) {
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#else
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while ((c = getopt(argc, argv, "")) != -1) {
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#endif
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switch (c) {
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#ifdef DEPRECATEDMSG
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case 'n':
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fprintf(stderr, "WARNING: Usage of \"-new\" argument is deprecated.\n");
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case 'e':
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case 'w':
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break;
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#endif
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case '?':
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default:
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usage();
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/* NOTREACHED */
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}
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}
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argc -= optind;
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argv += optind;
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if (argc < 2) {
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usage();
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/* NOTREACHED */
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}
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catfile = *argv++;
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for (; *argv; argv++) {
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if ((ifd = open(*argv, O_RDONLY)) < 0)
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err(1, "Unable to read %s", *argv);
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MCParse(ifd);
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close(ifd);
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}
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if ((ofd = open(catfile, O_WRONLY | O_TRUNC | O_CREAT, 0666)) < 0)
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err(1, "Unable to create a new %s", catfile);
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MCWriteCat(ofd);
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exit(0);
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}
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static void
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warning(const char *cptr, const char *msg)
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{
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fprintf(stderr, "%s: %s on line %ld\n", getprogname(), msg, lineno);
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fprintf(stderr, "%s\n", curline);
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if (cptr) {
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char *tptr;
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for (tptr = curline; tptr < cptr; ++tptr)
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putc(' ', stderr);
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fprintf(stderr, "^\n");
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}
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}
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#define CORRUPT() { error("corrupt message catalog"); }
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#define NOMEM() { error("out of memory"); }
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static void
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error(const char *msg)
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{
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warning(NULL, msg);
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exit(1);
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}
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static void *
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xmalloc(size_t len)
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{
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void *p;
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if ((p = malloc(len)) == NULL)
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NOMEM();
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return (p);
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}
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static void *
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xrealloc(void *ptr, size_t size)
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{
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if ((ptr = realloc(ptr, size)) == NULL)
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NOMEM();
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return (ptr);
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}
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static char *
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xstrdup(const char *str)
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{
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char *nstr;
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if ((nstr = strdup(str)) == NULL)
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NOMEM();
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return (nstr);
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}
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static char *
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getline(int fd)
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{
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static long curlen = BUFSIZ;
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static char buf[BUFSIZ], *bptr = buf, *bend = buf;
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char *cptr, *cend;
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long buflen;
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if (!curline) {
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curline = xmalloc(curlen);
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}
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++lineno;
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cptr = curline;
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cend = curline + curlen;
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for (;;) {
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for (; bptr < bend && cptr < cend; ++cptr, ++bptr) {
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if (*bptr == '\n') {
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*cptr = '\0';
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++bptr;
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return (curline);
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} else
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*cptr = *bptr;
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}
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if (cptr == cend) {
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cptr = curline = xrealloc(curline, curlen *= 2);
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cend = curline + curlen;
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}
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if (bptr == bend) {
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buflen = read(fd, buf, BUFSIZ);
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if (buflen <= 0) {
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if (cptr > curline) {
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*cptr = '\0';
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return (curline);
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}
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return (NULL);
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}
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bend = buf + buflen;
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bptr = buf;
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}
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}
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}
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static char *
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wskip(char *cptr)
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{
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if (!*cptr || !isspace((unsigned char) *cptr)) {
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warning(cptr, "expected a space");
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return (cptr);
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}
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while (*cptr && isspace((unsigned char) *cptr))
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++cptr;
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return (cptr);
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}
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static char *
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cskip(char *cptr)
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{
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if (!*cptr || isspace((unsigned char) *cptr)) {
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warning(cptr, "wasn't expecting a space");
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return (cptr);
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}
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while (*cptr && !isspace((unsigned char) *cptr))
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++cptr;
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return (cptr);
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}
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static char *
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getmsg(int fd, char *cptr, char quote)
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{
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static char *msg = NULL;
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static long msglen = 0;
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long clen, i;
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char *tptr;
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if (quote && *cptr == quote) {
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++cptr;
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}
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clen = strlen(cptr) + 1;
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if (clen > msglen) {
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if (msglen)
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msg = xrealloc(msg, clen);
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else
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msg = xmalloc(clen);
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msglen = clen;
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}
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tptr = msg;
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while (*cptr) {
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if (quote && *cptr == quote) {
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char *tmp;
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tmp = cptr + 1;
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if (*tmp && (!isspace((unsigned char) *tmp) || *wskip(tmp))) {
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warning(cptr, "unexpected quote character, ignoring");
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*tptr++ = *cptr++;
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} else {
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*cptr = '\0';
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}
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} else
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if (*cptr == '\\') {
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++cptr;
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switch (*cptr) {
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case '\0':
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cptr = getline(fd);
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if (!cptr)
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error("premature end of file");
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msglen += strlen(cptr);
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i = tptr - msg;
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msg = xrealloc(msg, msglen);
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tptr = msg + i;
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break;
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#define CASEOF(CS, CH) \
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case CS: \
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*tptr++ = CH; \
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++cptr; \
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break; \
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CASEOF('n', '\n');
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CASEOF('t', '\t');
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CASEOF('v', '\v');
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CASEOF('b', '\b');
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CASEOF('r', '\r');
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CASEOF('f', '\f');
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CASEOF('"', '"');
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CASEOF('\\', '\\');
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default:
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if (quote && *cptr == quote) {
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*tptr++ = *cptr++;
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} else if (isdigit((unsigned char) *cptr)) {
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*tptr = 0;
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for (i = 0; i < 3; ++i) {
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if (!isdigit((unsigned char) *cptr))
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break;
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if (*cptr > '7')
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warning(cptr, "octal number greater than 7?!");
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*tptr *= 8;
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*tptr += (*cptr - '0');
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++cptr;
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}
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} else {
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warning(cptr, "unrecognized escape sequence");
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}
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break;
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}
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} else {
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*tptr++ = *cptr++;
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}
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}
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*tptr = '\0';
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return (msg);
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}
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void
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MCParse(int fd)
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{
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char *cptr, *str;
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int setid, msgid = 0;
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char quote = 0;
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/* XXX: init sethead? */
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while ((cptr = getline(fd))) {
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if (*cptr == '$') {
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++cptr;
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if (strncmp(cptr, "set", 3) == 0) {
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cptr += 3;
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cptr = wskip(cptr);
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setid = atoi(cptr);
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MCAddSet(setid);
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msgid = 0;
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} else if (strncmp(cptr, "delset", 6) == 0) {
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cptr += 6;
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cptr = wskip(cptr);
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setid = atoi(cptr);
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MCDelSet(setid);
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} else if (strncmp(cptr, "quote", 5) == 0) {
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cptr += 5;
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if (!*cptr)
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quote = 0;
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else {
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cptr = wskip(cptr);
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if (!*cptr)
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quote = 0;
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else
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quote = *cptr;
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}
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} else if (isspace((unsigned char) *cptr)) {
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;
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} else {
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if (*cptr) {
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cptr = wskip(cptr);
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if (*cptr)
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warning(cptr, "unrecognized line");
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}
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}
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} else {
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/*
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* First check for (and eat) empty lines....
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*/
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if (!*cptr)
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continue;
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/*
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* We have a digit? Start of a message. Else,
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* syntax error.
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*/
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if (isdigit((unsigned char) *cptr)) {
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msgid = atoi(cptr);
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cptr = cskip(cptr);
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cptr = wskip(cptr);
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/* if (*cptr) ++cptr; */
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} else {
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warning(cptr, "neither blank line nor start of a message id");
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continue;
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}
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/*
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* If we have a message ID, but no message,
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* then this means "delete this message id
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* from the catalog".
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*/
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if (!*cptr) {
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MCDelMsg(msgid);
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} else {
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str = getmsg(fd, cptr, quote);
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MCAddMsg(msgid, str);
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}
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}
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}
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}
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void
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MCReadCat(int fd)
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{
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fd = 0;
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#if 0
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MCHeaderT mcHead;
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MCMsgT mcMsg;
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MCSetT mcSet;
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msgT *msg;
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setT *set;
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int i;
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char *data;
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/* XXX init sethead? */
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if (read(fd, &mcHead, sizeof(mcHead)) != sizeof(mcHead))
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CORRUPT();
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if (strncmp(mcHead.magic, MCMagic, MCMagicLen) != 0)
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CORRUPT();
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if (mcHead.majorVer != MCMajorVer)
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error("unrecognized catalog version");
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if ((mcHead.flags & MCGetByteOrder()) == 0)
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error("wrong byte order");
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if (lseek(fd, mcHead.firstSet, SEEK_SET) == -1)
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CORRUPT();
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for (;;) {
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if (read(fd, &mcSet, sizeof(mcSet)) != sizeof(mcSet))
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CORRUPT();
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if (mcSet.invalid)
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continue;
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set = xmalloc(sizeof(setT));
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memset(set, '\0', sizeof(*set));
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if (cat->first) {
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cat->last->next = set;
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set->prev = cat->last;
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cat->last = set;
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} else
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cat->first = cat->last = set;
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set->setId = mcSet.setId;
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/* Get the data */
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if (mcSet.dataLen) {
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data = xmalloc(mcSet.dataLen);
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if (lseek(fd, mcSet.data.off, SEEK_SET) == -1)
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CORRUPT();
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if (read(fd, data, mcSet.dataLen) != mcSet.dataLen)
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CORRUPT();
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if (lseek(fd, mcSet.u.firstMsg, SEEK_SET) == -1)
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CORRUPT();
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for (i = 0; i < mcSet.numMsgs; ++i) {
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if (read(fd, &mcMsg, sizeof(mcMsg)) != sizeof(mcMsg))
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CORRUPT();
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if (mcMsg.invalid) {
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--i;
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continue;
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}
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msg = xmalloc(sizeof(msgT));
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memset(msg, '\0', sizeof(*msg));
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if (set->first) {
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set->last->next = msg;
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msg->prev = set->last;
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set->last = msg;
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} else
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set->first = set->last = msg;
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msg->msgId = mcMsg.msgId;
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msg->str = xstrdup((char *) (data + mcMsg.msg.off));
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}
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free(data);
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}
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if (!mcSet.nextSet)
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break;
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if (lseek(fd, mcSet.nextSet, SEEK_SET) == -1)
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CORRUPT();
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}
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#endif
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}
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/*
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* Write message catalog.
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*
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* The message catalog is first converted from its internal to its
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* external representation in a chunk of memory allocated for this
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* purpose. Then the completed catalog is written. This approach
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* avoids additional housekeeping variables and/or a lot of seeks
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* that would otherwise be required.
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*/
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void
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MCWriteCat(int fd)
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{
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int nsets; /* number of sets */
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int nmsgs; /* number of msgs */
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int string_size; /* total size of string pool */
|
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int msgcat_size; /* total size of message catalog */
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|
void *msgcat; /* message catalog data */
|
|
struct _nls_cat_hdr *cat_hdr;
|
|
struct _nls_set_hdr *set_hdr;
|
|
struct _nls_msg_hdr *msg_hdr;
|
|
char *strings;
|
|
struct _setT *set;
|
|
struct _msgT *msg;
|
|
int msg_index;
|
|
int msg_offset;
|
|
|
|
/* determine number of sets, number of messages, and size of the
|
|
* string pool */
|
|
nsets = 0;
|
|
nmsgs = 0;
|
|
string_size = 0;
|
|
|
|
for (set = sethead.lh_first; set != NULL;
|
|
set = set->entries.le_next) {
|
|
nsets++;
|
|
|
|
for (msg = set->msghead.lh_first; msg != NULL;
|
|
msg = msg->entries.le_next) {
|
|
nmsgs++;
|
|
string_size += strlen(msg->str) + 1;
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
printf("number of sets: %d\n", nsets);
|
|
printf("number of msgs: %d\n", nmsgs);
|
|
printf("string pool size: %d\n", string_size);
|
|
#endif
|
|
|
|
/* determine size and then allocate buffer for constructing external
|
|
* message catalog representation */
|
|
msgcat_size = sizeof(struct _nls_cat_hdr)
|
|
+ (nsets * sizeof(struct _nls_set_hdr))
|
|
+ (nmsgs * sizeof(struct _nls_msg_hdr))
|
|
+ string_size;
|
|
|
|
msgcat = xmalloc(msgcat_size);
|
|
memset(msgcat, '\0', msgcat_size);
|
|
|
|
/* fill in msg catalog header */
|
|
cat_hdr = (struct _nls_cat_hdr *) msgcat;
|
|
cat_hdr->__magic = htonl(_NLS_MAGIC);
|
|
cat_hdr->__nsets = htonl(nsets);
|
|
cat_hdr->__mem = htonl(msgcat_size - sizeof(struct _nls_cat_hdr));
|
|
cat_hdr->__msg_hdr_offset =
|
|
htonl(nsets * sizeof(struct _nls_set_hdr));
|
|
cat_hdr->__msg_txt_offset =
|
|
htonl(nsets * sizeof(struct _nls_set_hdr) +
|
|
nmsgs * sizeof(struct _nls_msg_hdr));
|
|
|
|
/* compute offsets for set & msg header tables and string pool */
|
|
set_hdr = (struct _nls_set_hdr *)(void *)((char *)msgcat +
|
|
sizeof(struct _nls_cat_hdr));
|
|
msg_hdr = (struct _nls_msg_hdr *)(void *)((char *)msgcat +
|
|
sizeof(struct _nls_cat_hdr) +
|
|
nsets * sizeof(struct _nls_set_hdr));
|
|
strings = (char *) msgcat +
|
|
sizeof(struct _nls_cat_hdr) +
|
|
nsets * sizeof(struct _nls_set_hdr) +
|
|
nmsgs * sizeof(struct _nls_msg_hdr);
|
|
|
|
msg_index = 0;
|
|
msg_offset = 0;
|
|
for (set = sethead.lh_first; set != NULL;
|
|
set = set->entries.le_next) {
|
|
|
|
nmsgs = 0;
|
|
for (msg = set->msghead.lh_first; msg != NULL;
|
|
msg = msg->entries.le_next) {
|
|
int msg_len = strlen(msg->str) + 1;
|
|
|
|
msg_hdr->__msgno = htonl(msg->msgId);
|
|
msg_hdr->__msglen = htonl(msg_len);
|
|
msg_hdr->__offset = htonl(msg_offset);
|
|
|
|
memcpy(strings, msg->str, msg_len);
|
|
strings += msg_len;
|
|
msg_offset += msg_len;
|
|
|
|
nmsgs++;
|
|
msg_hdr++;
|
|
}
|
|
|
|
set_hdr->__setno = htonl(set->setId);
|
|
set_hdr->__nmsgs = htonl(nmsgs);
|
|
set_hdr->__index = htonl(msg_index);
|
|
msg_index += nmsgs;
|
|
set_hdr++;
|
|
}
|
|
|
|
/* write out catalog. XXX: should this be done in small chunks? */
|
|
write(fd, msgcat, msgcat_size);
|
|
}
|
|
|
|
void
|
|
MCAddSet(int setId)
|
|
{
|
|
struct _setT *p, *q;
|
|
|
|
if (setId <= 0) {
|
|
error("setId's must be greater than zero");
|
|
/* NOTREACHED */
|
|
}
|
|
if (setId > NL_SETMAX) {
|
|
error("setId exceeds limit");
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
p = sethead.lh_first;
|
|
q = NULL;
|
|
for (; p != NULL && p->setId < setId; q = p, p = p->entries.le_next);
|
|
|
|
if (p && p->setId == setId) {
|
|
;
|
|
} else {
|
|
p = xmalloc(sizeof(struct _setT));
|
|
memset(p, '\0', sizeof(struct _setT));
|
|
LIST_INIT(&p->msghead);
|
|
|
|
p->setId = setId;
|
|
|
|
if (q == NULL) {
|
|
LIST_INSERT_HEAD(&sethead, p, entries);
|
|
} else {
|
|
LIST_INSERT_AFTER(q, p, entries);
|
|
}
|
|
}
|
|
|
|
curSet = p;
|
|
}
|
|
|
|
void
|
|
MCAddMsg(int msgId, const char *str)
|
|
{
|
|
struct _msgT *p, *q;
|
|
|
|
if (!curSet)
|
|
error("can't specify a message when no set exists");
|
|
|
|
if (msgId <= 0) {
|
|
error("msgId's must be greater than zero");
|
|
/* NOTREACHED */
|
|
}
|
|
if (msgId > NL_MSGMAX) {
|
|
error("msgID exceeds limit");
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
p = curSet->msghead.lh_first;
|
|
q = NULL;
|
|
for (; p != NULL && p->msgId < msgId; q = p, p = p->entries.le_next);
|
|
|
|
if (p && p->msgId == msgId) {
|
|
free(p->str);
|
|
} else {
|
|
p = xmalloc(sizeof(struct _msgT));
|
|
memset(p, '\0', sizeof(struct _msgT));
|
|
|
|
if (q == NULL) {
|
|
LIST_INSERT_HEAD(&curSet->msghead, p, entries);
|
|
} else {
|
|
LIST_INSERT_AFTER(q, p, entries);
|
|
}
|
|
}
|
|
|
|
p->msgId = msgId;
|
|
p->str = xstrdup(str);
|
|
}
|
|
|
|
void
|
|
MCDelSet(int setId)
|
|
{
|
|
struct _setT *set;
|
|
struct _msgT *msg;
|
|
|
|
set = sethead.lh_first;
|
|
for (; set != NULL && set->setId < setId; set = set->entries.le_next);
|
|
|
|
if (set && set->setId == setId) {
|
|
|
|
msg = set->msghead.lh_first;
|
|
while (msg) {
|
|
free(msg->str);
|
|
LIST_REMOVE(msg, entries);
|
|
}
|
|
|
|
LIST_REMOVE(set, entries);
|
|
return;
|
|
}
|
|
warning(NULL, "specified set doesn't exist");
|
|
}
|
|
|
|
void
|
|
MCDelMsg(int msgId)
|
|
{
|
|
struct _msgT *msg;
|
|
|
|
if (!curSet)
|
|
error("you can't delete a message before defining the set");
|
|
|
|
msg = curSet->msghead.lh_first;
|
|
for (; msg != NULL && msg->msgId < msgId; msg = msg->entries.le_next);
|
|
|
|
if (msg && msg->msgId == msgId) {
|
|
free(msg->str);
|
|
LIST_REMOVE(msg, entries);
|
|
return;
|
|
}
|
|
warning(NULL, "specified msg doesn't exist");
|
|
}
|