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Use err(3).
sprintf -> snprintf from OpenBSD. Add usage(), prototypes. Use MAXPATHLEN instead of 128 from OpenBSD. Obtained from: OpenBSD
This commit is contained in:
Philippe Charnier
parent
096118ee27
commit
e46a3508d0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=27751
@ -29,16 +29,16 @@
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)msgs.1 8.1 (Berkeley) 6/6/93
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.\" @(#)msgs.1 8.2 (Berkeley) 4/28/95
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.\"
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.Dd June 6, 1993
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.Dd April 28, 1995
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.Dt MSGS 1
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.Os BSD 4
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.Sh NAME
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.Nm msgs
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.Nd system messages and junk mail program
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.Sh SYNOPSIS
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.Nm msgs
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.Nm
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.Op Fl fhlpq
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.Op Ar number
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.Op Ar \-number
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@ -82,7 +82,7 @@ Redisplay the last message.
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Drop out of
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.Nm msgs ;
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the next time
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.Nm msgs
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.Nm
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will pick up where it last left off.
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.It Fl s
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Append the current message to the file ``Messages'' in the current directory;
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@ -109,12 +109,12 @@ The file
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.Pa /var/msgs/bounds
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shows the low and high number of the messages in the directory
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so that
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.Nm msgs
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.Nm
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can quickly determine if there are no messages for you.
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If the contents of
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.Pa bounds
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is incorrect it can be fixed by removing it;
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.Nm msgs
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.Nm
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will make a new
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.Pa bounds
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file the next time it is run.
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@ -161,7 +161,7 @@ Option causes only locally originated messages to be reported.
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.It Ar num
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A message number can be given
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on the command line, causing
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.Nm msgs
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.Nm
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to start at the specified message rather than at the next message
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indicated by your
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.Pa \&.msgsrc
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@ -183,9 +183,9 @@ Pipe long messages through
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.El
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.Pp
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Within
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.Nm msgs
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.Nm
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you can also go to any specific message by typing its number when
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.Nm msgs
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.Nm
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requests input as to what to do.
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.Sh ENVIRONMENT
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.Nm Msgs
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@ -209,6 +209,6 @@ number of next message to be presented
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.\".Xr crontab 5 ,
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.Sh HISTORY
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The
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.Nm msgs
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.Nm
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command appeared in
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.Bx 3.0 .
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@ -32,13 +32,17 @@
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*/
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#ifndef lint
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static char copyright[] =
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93";
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#if 0
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static char sccsid[] = "@(#)msgs.c 8.2 (Berkeley) 4/28/95";
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#endif
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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/*
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@ -72,10 +76,12 @@ static char sccsid[] = "@(#)msgs.c 8.1 (Berkeley) 6/6/93";
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#include <sys/stat.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <err.h>
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#include <errno.h>
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#include <locale.h>
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#include <pwd.h>
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#include <setjmp.h>
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#include <termcap.h>
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#include <termios.h>
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#include <signal.h>
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#include <stdio.h>
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@ -105,8 +111,8 @@ FILE *msgsrc;
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FILE *newmsg;
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char *sep = "-";
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char inbuf[BUFSIZ];
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char fname[128];
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char cmdbuf[128];
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char fname[MAXPATHLEN];
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char cmdbuf[MAXPATHLEN + MAXPATHLEN];
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char subj[128];
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char from[128];
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char date[128];
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@ -132,11 +138,6 @@ int Lpp = 0;
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time_t t;
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time_t keep;
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char *mktemp();
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char *nxtfld();
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void onintr();
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void onsusp();
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/* option initialization */
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bool hdrs = NO;
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bool qopt = NO;
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@ -148,6 +149,18 @@ bool clean = NO;
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bool lastcmd = NO;
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jmp_buf tstpbuf;
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void ask __P((char *));
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void gfrsub __P((FILE *));
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int linecnt __P((FILE *));
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int next __P((char *));
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char *nxtfld __P((unsigned char *));
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void onsusp __P((int));
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void onintr __P((int));
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void prmesg __P((int));
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static void usage __P((void));
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int
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main(argc, argv)
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int argc; char *argv[];
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{
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@ -221,9 +234,7 @@ int argc; char *argv[];
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break;
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default:
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fprintf(stderr,
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"usage: msgs [fhlopq] [[-]number]\n");
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exit(1);
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usage();
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}
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}
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argc--, argv++;
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@ -232,7 +243,7 @@ int argc; char *argv[];
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/*
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* determine current message bounds
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*/
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sprintf(fname, "%s/%s", _PATH_MSGS, BOUNDS);
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snprintf(fname, sizeof(fname), "%s/%s", _PATH_MSGS, BOUNDS);
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bounds = fopen(fname, "r");
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if (bounds != NULL) {
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@ -251,10 +262,8 @@ int argc; char *argv[];
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DIR *dirp;
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dirp = opendir(_PATH_MSGS);
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if (dirp == NULL) {
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perror(_PATH_MSGS);
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exit(errno);
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}
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if (dirp == NULL)
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err(errno, "%s", _PATH_MSGS);
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firstmsg = 32767;
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lastmsg = 0;
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@ -269,7 +278,7 @@ int argc; char *argv[];
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continue;
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if (clean)
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sprintf(inbuf, "%s/%s", _PATH_MSGS, cp);
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snprintf(inbuf, sizeof(inbuf), "%s/%s", _PATH_MSGS, cp);
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while (isdigit(*cp))
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i = i * 10 + *cp++ - '0';
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@ -304,10 +313,8 @@ int argc; char *argv[];
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if (!send_msg) {
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bounds = fopen(fname, "w");
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if (bounds == NULL) {
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perror(fname);
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exit(errno);
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}
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if (bounds == NULL)
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err(errno, "%s", fname);
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chmod(fname, CMODE);
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fprintf(bounds, "%d %d\n", firstmsg, lastmsg);
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fclose(bounds);
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@ -319,18 +326,14 @@ int argc; char *argv[];
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* Send mode - place msgs in _PATH_MSGS
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*/
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bounds = fopen(fname, "w");
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if (bounds == NULL) {
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perror(fname);
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exit(errno);
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}
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if (bounds == NULL)
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err(errno, "%s", fname);
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nextmsg = lastmsg + 1;
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sprintf(fname, "%s/%d", _PATH_MSGS, nextmsg);
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snprintf(fname, sizeof(fname), "%s/%d", _PATH_MSGS, nextmsg);
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newmsg = fopen(fname, "w");
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if (newmsg == NULL) {
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perror(fname);
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exit(errno);
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}
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if (newmsg == NULL)
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err(errno, "%s", fname);
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chmod(fname, CMODE);
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fprintf(bounds, "%d %d\n", firstmsg, nextmsg);
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@ -382,7 +385,7 @@ int argc; char *argv[];
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totty = (isatty(fileno(stdout)) != 0);
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use_pager = use_pager && totty;
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sprintf(fname, "%s/%s", getenv("HOME"), MSGSRC);
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snprintf(fname, sizeof(fname), "%s/%s", getenv("HOME"), MSGSRC);
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msgsrc = fopen(fname, "r");
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if (msgsrc) {
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newrc = NO;
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@ -402,10 +405,8 @@ int argc; char *argv[];
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msgsrc = fopen(fname, "r+");
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if (msgsrc == NULL)
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msgsrc = fopen(fname, "w");
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if (msgsrc == NULL) {
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perror(fname);
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exit(errno);
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}
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if (msgsrc == NULL)
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err(errno, "%s", fname);
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if (rcfirst) {
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if (rcfirst > lastmsg+1) {
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printf("Warning: the last message is number %d.\n",
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@ -448,7 +449,7 @@ int argc; char *argv[];
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*/
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for (msg = firstmsg; msg <= lastmsg; msg++) {
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sprintf(fname, "%s/%d", _PATH_MSGS, msg);
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snprintf(fname, sizeof(fname), "%s/%d", _PATH_MSGS, msg);
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newmsg = fopen(fname, "r");
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if (newmsg == NULL)
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continue;
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@ -594,6 +595,14 @@ int argc; char *argv[];
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exit(0);
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}
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static void
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usage()
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{
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fprintf(stderr, "usage: msgs [fhlopq] [[-]number]\n");
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exit(1);
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}
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void
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prmesg(length)
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int length;
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{
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@ -602,7 +611,7 @@ int length;
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if (use_pager && length > Lpp) {
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signal(SIGPIPE, SIG_IGN);
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signal(SIGQUIT, SIG_IGN);
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sprintf(cmdbuf, _PATH_PAGER, Lpp);
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snprintf(cmdbuf, sizeof(cmdbuf), _PATH_PAGER, Lpp);
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outf = popen(cmdbuf, "w");
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if (!outf)
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outf = stdout;
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@ -637,7 +646,8 @@ int length;
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}
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void
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onintr()
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onintr(unused)
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int unused;
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{
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signal(SIGINT, onintr);
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if (mailing)
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@ -662,9 +672,9 @@ onintr()
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* We have just gotten a susp. Suspend and prepare to resume.
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*/
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void
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onsusp()
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onsusp(unused)
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int unused;
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{
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signal(SIGTSTP, SIG_DFL);
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sigsetmask(0);
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kill(0, SIGTSTP);
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@ -673,6 +683,7 @@ onsusp()
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longjmp(tstpbuf, 0);
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}
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int
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linecnt(f)
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FILE *f;
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{
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@ -687,6 +698,7 @@ FILE *f;
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return (l);
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}
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int
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next(buf)
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char *buf;
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{
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@ -696,6 +708,7 @@ char *buf;
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return(--i);
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}
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void
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ask(prompt)
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char *prompt;
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{
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@ -723,7 +736,7 @@ char *prompt;
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cmsg = atoi(&inbuf[1]);
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else
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cmsg = msg;
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sprintf(fname, "%s/%d", _PATH_MSGS, cmsg);
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snprintf(fname, sizeof(fname), "%s/%d", _PATH_MSGS, cmsg);
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oldpos = ftell(newmsg);
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@ -748,19 +761,19 @@ char *prompt;
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else {
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strcpy(fname, _PATH_TMP);
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mktemp(fname);
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sprintf(cmdbuf, _PATH_MAIL, fname);
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snprintf(cmdbuf, sizeof(cmdbuf), _PATH_MAIL, fname);
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mailing = YES;
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}
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cpto = fopen(fname, "a");
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if (!cpto) {
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perror(fname);
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warn("%s", fname);
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mailing = NO;
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fseek(newmsg, oldpos, 0);
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ask(prompt);
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return;
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}
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while (n = fread(inbuf, 1, sizeof inbuf, cpfrom))
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while ((n = fread(inbuf, 1, sizeof inbuf, cpfrom)))
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fwrite(inbuf, 1, n, cpto);
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fclose(cpfrom);
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@ -777,6 +790,7 @@ char *prompt;
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}
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}
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void
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gfrsub(infile)
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FILE *infile;
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{
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