/* movemail foo bar -- move file foo to file bar,
locking file foo the way /bin/mail respects.
- Copyright (C) 1986, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1992, 1993, 1994 Free Software Foundation, Inc.
This file is part of GNU Emacs.
GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU Emacs is distributed in the hope that it will be useful,
along with GNU Emacs; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* Important notice: defining MAIL_USE_FLOCK *will cause loss of mail*
- if you do it on a system that does not normally use flock as its way of
- interlocking access to inbox files. The setting of MAIL_USE_FLOCK
- *must agree* with the system's own conventions.
- It is not a choice that is up to you.
+/* Important notice: defining MAIL_USE_FLOCK or MAIL_USE_LOCKF *will
+ cause loss of mail* if you do it on a system that does not normally
+ use flock as its way of interlocking access to inbox files. The
+ setting of MAIL_USE_FLOCK and MAIL_USE_LOCKF *must agree* with the
+ system's own conventions. It is not a choice that is up to you.
So, if your system uses lock files rather than flock, then the only way
you can get proper operation is to enable movemail to write lockfiles there.
* New routines in movemail.c:
* get_errmsg - return pointer to system error message
*
+ * Modified August, 1993 by Jonathan Kamens (OpenVision Technologies)
+ *
+ * Move all of the POP code into a separate file, "pop.c".
+ * Use strerror instead of get_errmsg.
+ *
*/
+#define NO_SHORTNAMES /* Tell config not to load remap.h */
+#include <../src/config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
+#include <stdio.h>
#include <errno.h>
-#define NO_SHORTNAMES /* Tell config not to load remap.h */
-#include "../src/config.h"
+#include <../src/syswait.h>
+#ifdef MAIL_USE_POP
+#include "pop.h"
+#endif
+
+#ifdef MSDOS
+#undef access
+#endif /* MSDOS */
#ifdef USG
#include <fcntl.h>
#endif
#endif /* USG */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
#ifdef XENIX
#include <sys/locking.h>
#endif
+#ifdef MAIL_USE_LOCKF
+#define MAIL_USE_SYSTEM_LOCK
+#endif
+
+#ifdef MAIL_USE_FLOCK
+#define MAIL_USE_SYSTEM_LOCK
+#endif
+
#ifdef MAIL_USE_MMDF
extern int lk_open (), lk_close ();
#endif
#undef write
#undef close
-char *malloc ();
-char *strcpy ();
-char *concat ();
-char *xmalloc ();
#ifndef errno
extern int errno;
#endif
+char *strerror ();
+
+void fatal ();
+void error ();
+void pfatal_with_name ();
+void pfatal_and_delete ();
+char *concat ();
+long *xmalloc ();
+int popmail ();
+int pop_retr ();
+int mbx_write ();
+int mbx_delimit_begin ();
+int mbx_delimit_end ();
/* Nonzero means this is name of a lock file to delete on fatal error. */
char *delete_lockname;
+int
main (argc, argv)
int argc;
char **argv;
char *inname, *outname;
int indesc, outdesc;
int nread;
+ WAITTYPE status;
-#ifndef MAIL_USE_FLOCK
+#ifndef MAIL_USE_SYSTEM_LOCK
struct stat st;
long now;
int tem;
char *lockname, *p;
char *tempname;
int desc;
-#endif /* not MAIL_USE_FLOCK */
+#endif /* not MAIL_USE_SYSTEM_LOCK */
delete_lockname = 0;
if (argc < 3)
- fatal ("two arguments required");
+ {
+ fprintf (stderr, "Usage: movemail inbox destfile\n");
+ exit(1);
+ }
inname = argv[1];
outname = argv[2];
mmdf_init (argv[0]);
#endif
+ if (*outname == 0)
+ fatal ("Destination file name is empty", 0);
+
/* Check access to output file. */
if (access (outname, F_OK) == 0 && access (outname, W_OK) != 0)
pfatal_with_name (outname);
- /* Also check that outname's directory is writeable to the real uid. */
+ /* Also check that outname's directory is writable to the real uid. */
{
- char *buf = (char *) malloc (strlen (outname) + 1);
- char *p, q;
+ char *buf = (char *) xmalloc (strlen (outname) + 1);
+ char *p;
strcpy (buf, outname);
p = buf + strlen (buf);
while (p > buf && p[-1] != '/')
}
#ifdef MAIL_USE_POP
- if (!bcmp (inname, "po:", 3))
+ if (!strncmp (inname, "po:", 3))
{
- int status; char *user;
+ int status;
- user = (char *) rindex (inname, ':') + 1;
- status = popmail (user, outname);
+ status = popmail (inname + 3, outname);
exit (status);
}
pfatal_with_name (inname);
#ifndef MAIL_USE_MMDF
-#ifndef MAIL_USE_FLOCK
- /* Use a lock file named /usr/spool/mail/$USER.lock:
+#ifndef MAIL_USE_SYSTEM_LOCK
+ /* Use a lock file named after our first argument with .lock appended:
If it exists, the mail file is locked. */
/* Note: this locking mechanism is *required* by the mailer
(on systems which use it) to prevent loss of mail.
WILL occasionally cause loss of mail due to timing errors!
So, if creation of the lock file fails
- due to access permission on /usr/spool/mail,
+ due to access permission on the mail spool directory,
you simply MUST change the permission
and/or make movemail a setgid program
so it can create lock files properly.
which uses lock files for this purpose. Some systems use other methods.
If your system uses the `flock' system call for mail locking,
- define MAIL_USE_FLOCK in config.h or the s-*.h file
+ define MAIL_USE_SYSTEM_LOCK in config.h or the s-*.h file
and recompile movemail. If the s- file for your system
- should define MAIL_USE_FLOCK but does not, send a bug report
+ should define MAIL_USE_SYSTEM_LOCK but does not, send a bug report
to bug-gnu-emacs@prep.ai.mit.edu so we can fix it. */
lockname = concat (inname, ".lock", "");
- tempname = strcpy (xmalloc (strlen (inname)+1), inname);
+ tempname = (char *) xmalloc (strlen (inname) + strlen ("EXXXXXX") + 1);
+ strcpy (tempname, inname);
p = tempname + strlen (tempname);
while (p != tempname && p[-1] != '/')
p--;
{
/* Create the lock file, but not under the lock file name. */
/* Give up if cannot do that. */
- desc = open (tempname, O_WRONLY | O_CREAT, 0666);
+ desc = open (tempname, O_WRONLY | O_CREAT | O_EXCL, 0666);
if (desc < 0)
- pfatal_with_name ("lock file--see source file etc/movemail.c");
+ {
+ char *message = (char *) xmalloc (strlen (tempname) + 50);
+ sprintf (message, "%s--see source file lib-src/movemail.c",
+ tempname);
+ pfatal_with_name (message);
+ }
close (desc);
tem = link (tempname, lockname);
break;
sleep (1);
- /* If lock file is a minute old, unlock it. */
+ /* If lock file is five minutes old, unlock it.
+ Five minutes should be good enough to cope with crashes
+ and wedgitude, and long enough to avoid being fooled
+ by time differences between machines. */
if (stat (lockname, &st) >= 0)
{
now = time (0);
- if (st.st_ctime < now - 60)
+ if (st.st_ctime < now - 300)
unlink (lockname);
}
}
delete_lockname = lockname;
-#endif /* not MAIL_USE_FLOCK */
+#endif /* not MAIL_USE_SYSTEM_LOCK */
+#endif /* not MAIL_USE_MMDF */
-#ifdef MAIL_USE_FLOCK
- indesc = open (inname, O_RDWR);
-#else /* if not MAIL_USE_FLOCK */
- indesc = open (inname, O_RDONLY);
-#endif /* not MAIL_USE_FLOCK */
-#else /* MAIL_USE_MMDF */
- indesc = lk_open (inname, O_RDONLY, 0, 0, 10);
+ if (fork () == 0)
+ {
+ setuid (getuid ());
+
+#ifndef MAIL_USE_MMDF
+#ifdef MAIL_USE_SYSTEM_LOCK
+ indesc = open (inname, O_RDWR);
+#else /* if not MAIL_USE_SYSTEM_LOCK */
+ indesc = open (inname, O_RDONLY);
+#endif /* not MAIL_USE_SYSTEM_LOCK */
+#else /* MAIL_USE_MMDF */
+ indesc = lk_open (inname, O_RDONLY, 0, 0, 10);
#endif /* MAIL_USE_MMDF */
- if (indesc < 0)
- pfatal_with_name (inname);
+ if (indesc < 0)
+ pfatal_with_name (inname);
#if defined (BSD) || defined (XENIX)
- /* In case movemail is setuid to root, make sure the user can
- read the output file. */
- /* This is desirable for all systems
- but I don't want to assume all have the umask system call */
- umask (umask (0) & 0333);
+ /* In case movemail is setuid to root, make sure the user can
+ read the output file. */
+ /* This is desirable for all systems
+ but I don't want to assume all have the umask system call */
+ umask (umask (0) & 0333);
#endif /* BSD or Xenix */
- outdesc = open (outname, O_WRONLY | O_CREAT | O_EXCL, 0666);
- if (outdesc < 0)
- pfatal_with_name (outname);
-#ifdef MAIL_USE_FLOCK
+ outdesc = open (outname, O_WRONLY | O_CREAT | O_EXCL, 0666);
+ if (outdesc < 0)
+ pfatal_with_name (outname);
+#ifdef MAIL_USE_SYSTEM_LOCK
+#ifdef MAIL_USE_LOCKF
+ if (lockf (indesc, F_LOCK, 0) < 0) pfatal_with_name (inname);
+#else /* not MAIL_USE_LOCKF */
#ifdef XENIX
- if (locking (indesc, LK_RLCK, 0L) < 0) pfatal_with_name (inname);
+ if (locking (indesc, LK_RLCK, 0L) < 0) pfatal_with_name (inname);
#else
- if (flock (indesc, LOCK_EX) < 0) pfatal_with_name (inname);
+ if (flock (indesc, LOCK_EX) < 0) pfatal_with_name (inname);
#endif
-#endif /* MAIL_USE_FLOCK */
+#endif /* not MAIL_USE_LOCKF */
+#endif /* MAIL_USE_SYSTEM_LOCK */
- {
- char buf[1024];
-
- while (1)
{
- nread = read (indesc, buf, sizeof buf);
- if (nread != write (outdesc, buf, nread))
+ char buf[1024];
+
+ while (1)
{
- int saved_errno = errno;
- unlink (outname);
- errno = saved_errno;
- pfatal_with_name (outname);
+ nread = read (indesc, buf, sizeof buf);
+ if (nread != write (outdesc, buf, nread))
+ {
+ int saved_errno = errno;
+ unlink (outname);
+ errno = saved_errno;
+ pfatal_with_name (outname);
+ }
+ if (nread < sizeof buf)
+ break;
}
- if (nread < sizeof buf)
- break;
}
- }
#ifdef BSD
- if (fsync (outdesc) < 0)
- pfatal_and_delete (outname);
+ if (fsync (outdesc) < 0)
+ pfatal_and_delete (outname);
#endif
- /* Check to make sure no errors before we zap the inbox. */
- if (close (outdesc) != 0)
- pfatal_and_delete (outname);
+ /* Check to make sure no errors before we zap the inbox. */
+ if (close (outdesc) != 0)
+ pfatal_and_delete (outname);
-#ifdef MAIL_USE_FLOCK
+#ifdef MAIL_USE_SYSTEM_LOCK
#if defined (STRIDE) || defined (XENIX)
- /* Stride, xenix have file locking, but no ftruncate. This mess will do. */
- close (open (inname, O_CREAT | O_TRUNC | O_RDWR, 0666));
+ /* Stride, xenix have file locking, but no ftruncate. This mess will do. */
+ close (open (inname, O_CREAT | O_TRUNC | O_RDWR, 0666));
#else
- ftruncate (indesc, 0L);
+ ftruncate (indesc, 0L);
#endif /* STRIDE or XENIX */
-#endif /* MAIL_USE_FLOCK */
+#endif /* MAIL_USE_SYSTEM_LOCK */
#ifdef MAIL_USE_MMDF
- lk_close (indesc, 0, 0, 0);
+ lk_close (indesc, 0, 0, 0);
#else
- close (indesc);
+ close (indesc);
#endif
-#ifndef MAIL_USE_FLOCK
- /* Delete the input file; if we can't, at least get rid of its contents. */
+#ifndef MAIL_USE_SYSTEM_LOCK
+ /* Delete the input file; if we can't, at least get rid of its
+ contents. */
#ifdef MAIL_UNLINK_SPOOL
- /* This is generally bad to do, because it destroys the permissions
- that were set on the file. Better to just empty the file. */
- if (unlink (inname) < 0 && errno != ENOENT)
+ /* This is generally bad to do, because it destroys the permissions
+ that were set on the file. Better to just empty the file. */
+ if (unlink (inname) < 0 && errno != ENOENT)
#endif /* MAIL_UNLINK_SPOOL */
- creat (inname, 0600);
-#ifndef MAIL_USE_MMDF
+ creat (inname, 0600);
+#endif /* not MAIL_USE_SYSTEM_LOCK */
+
+ exit (0);
+ }
+
+ wait (&status);
+ if (!WIFEXITED (status))
+ exit (1);
+ else if (WRETCODE (status) != 0)
+ exit (WRETCODE (status));
+
+#if !defined (MAIL_USE_MMDF) && !defined (MAIL_USE_SYSTEM_LOCK)
unlink (lockname);
-#endif /* not MAIL_USE_MMDF */
-#endif /* not MAIL_USE_FLOCK */
- exit (0);
+#endif /* not MAIL_USE_MMDF and not MAIL_USE_SYSTEM_LOCK */
+ return 0;
}
\f
/* Print error message and exit. */
+void
fatal (s1, s2)
char *s1, *s2;
{
/* Print error message. `s1' is printf control string, `s2' is arg for it. */
+void
error (s1, s2, s3)
char *s1, *s2, *s3;
{
- printf ("movemail: ");
- printf (s1, s2, s3);
- printf ("\n");
+ fprintf (stderr, "movemail: ");
+ fprintf (stderr, s1, s2, s3);
+ fprintf (stderr, "\n");
}
+void
pfatal_with_name (name)
char *name;
{
- extern int errno, sys_nerr;
- extern char *sys_errlist[];
- char *s;
-
- if (errno < sys_nerr)
- s = concat ("", sys_errlist[errno], " for %s");
- else
- s = "cannot open %s";
+ char *s = concat ("", strerror (errno), " for %s");
fatal (s, name);
}
+void
pfatal_and_delete (name)
char *name;
{
- extern int errno, sys_nerr;
- extern char *sys_errlist[];
- char *s;
-
- if (errno < sys_nerr)
- s = concat ("", sys_errlist[errno], " for %s");
- else
- s = "cannot open %s";
-
+ char *s = concat ("", strerror (errno), " for %s");
unlink (name);
fatal (s, name);
}
/* Like malloc but get fatal error if memory is exhausted. */
-char *
+long *
xmalloc (size)
unsigned size;
{
- char *result = malloc (size);
+ long *result = (long *) malloc (size);
if (!result)
fatal ("virtual memory exhausted", 0);
return result;
char *progname;
FILE *sfi;
FILE *sfo;
+char ibuffer[BUFSIZ];
+char obuffer[BUFSIZ];
char Errmsg[80];
-static int debug = 0;
-
-char *get_errmsg ();
-char *getenv ();
-int mbx_write ();
-
popmail (user, outfile)
char *user;
char *outfile;
{
- char *host;
int nmsgs, nbytes;
- char response[128];
register int i;
int mbfi;
FILE *mbf;
- struct passwd *pw = (struct passwd *) getpwuid (getuid ());
- if (pw == NULL)
- fatal ("cannot determine user name");
-
- host = getenv ("MAILHOST");
- if (host == NULL)
- {
- fatal ("no MAILHOST defined");
- }
+ char *getenv ();
+ int mbx_write ();
+ popserver server;
+ extern char *strerror ();
- if (pop_init (host) == NOTOK)
+ server = pop_open (0, user, 0, POP_NO_GETPASS);
+ if (! server)
{
- fatal (Errmsg);
+ error (pop_error);
+ return (1);
}
- if (getline (response, sizeof response, sfi) != OK)
+ if (pop_stat (server, &nmsgs, &nbytes))
{
- fatal (response);
- }
-
- if (pop_command ("USER %s", user) == NOTOK
- || pop_command ("RPOP %s", pw->pw_name) == NOTOK)
- {
- pop_command ("QUIT");
- fatal (Errmsg);
- }
-
- if (pop_stat (&nmsgs, &nbytes) == NOTOK)
- {
- pop_command ("QUIT");
- fatal (Errmsg);
+ error (pop_error);
+ return (1);
}
if (!nmsgs)
{
- pop_command ("QUIT");
- return 0;
+ pop_close (server);
+ return (0);
}
mbfi = open (outfile, O_WRONLY | O_CREAT | O_EXCL, 0666);
if (mbfi < 0)
{
- pop_command ("QUIT");
- pfatal_and_delete (outfile);
+ pop_close (server);
+ error ("Error in open: %s, %s", strerror (errno), outfile);
+ return (1);
}
fchown (mbfi, getuid (), -1);
if ((mbf = fdopen (mbfi, "w")) == NULL)
{
- pop_command ("QUIT");
- pfatal_and_delete (outfile);
+ pop_close (server);
+ error ("Error in fdopen: %s", strerror (errno));
+ close (mbfi);
+ unlink (outfile);
+ return (1);
}
for (i = 1; i <= nmsgs; i++)
{
mbx_delimit_begin (mbf);
- if (pop_retr (i, mbx_write, mbf) != OK)
+ if (pop_retr (server, i, mbx_write, mbf) != OK)
{
- pop_command ("QUIT");
+ error (Errmsg);
close (mbfi);
- unlink (outfile);
- fatal (Errmsg);
+ return (1);
}
mbx_delimit_end (mbf);
fflush (mbf);
+ if (ferror (mbf))
+ {
+ error ("Error in fflush: %s", strerror (errno));
+ pop_close (server);
+ close (mbfi);
+ return (1);
+ }
}
+ /* On AFS, a call to write only modifies the file in the local
+ * workstation's AFS cache. The changes are not written to the server
+ * until a call to fsync or close is made. Users with AFS home
+ * directories have lost mail when over quota because these checks were
+ * not made in previous versions of movemail. */
+
+#ifdef BSD
if (fsync (mbfi) < 0)
{
- pop_command ("QUIT");
- pfatal_and_delete (outfile);
+ error ("Error in fsync: %s", strerror (errno));
+ return (1);
}
+#endif
if (close (mbfi) == -1)
{
- pop_command ("QUIT");
- pfatal_and_delete (outfile);
+ error ("Error in close: %s", strerror (errno));
+ return (1);
}
for (i = 1; i <= nmsgs; i++)
{
- if (pop_command ("DELE %d", i) == NOTOK)
+ if (pop_delete (server, i))
{
- /* Better to ignore this failure. */
+ error (pop_error);
+ pop_close (server);
+ return (1);
}
}
- pop_command ("QUIT");
- return (0);
-}
-
-pop_init (host)
- char *host;
-{
- register struct hostent *hp;
- register struct servent *sp;
- int lport = IPPORT_RESERVED - 1;
- struct sockaddr_in sin;
- register int s;
-
- hp = gethostbyname (host);
- if (hp == NULL)
- {
- sprintf (Errmsg, "MAILHOST unknown: %s", host);
- return NOTOK;
- }
-
- sp = getservbyname ("pop", "tcp");
- if (sp == 0)
- {
- strcpy (Errmsg, "tcp/pop: unknown service");
- return NOTOK;
- }
-
- sin.sin_family = hp->h_addrtype;
- bcopy (hp->h_addr, (char *)&sin.sin_addr, hp->h_length);
- sin.sin_port = sp->s_port;
- s = rresvport (&lport);
- if (s < 0)
+ if (pop_quit (server))
{
- sprintf (Errmsg, "error creating socket: %s", get_errmsg ());
- return NOTOK;
+ error (pop_error);
+ return (1);
}
-
- if (connect (s, (char *)&sin, sizeof sin) < 0)
- {
- sprintf (Errmsg, "error during connect: %s", get_errmsg ());
- close (s);
- return NOTOK;
- }
-
- sfi = fdopen (s, "r");
- sfo = fdopen (s, "w");
- if (sfi == NULL || sfo == NULL)
- {
- sprintf (Errmsg, "error in fdopen: %s", get_errmsg ());
- close (s);
- return NOTOK;
- }
-
- return OK;
-}
-
-pop_command (fmt, a, b, c, d)
- char *fmt;
-{
- char buf[128];
- char errmsg[64];
-
- sprintf (buf, fmt, a, b, c, d);
-
- if (debug) fprintf (stderr, "---> %s\n", buf);
- if (putline (buf, Errmsg, sfo) == NOTOK) return NOTOK;
-
- if (getline (buf, sizeof buf, sfi) != OK)
- {
- strcpy (Errmsg, buf);
- return NOTOK;
- }
-
- if (debug)
- fprintf (stderr, "<--- %s\n", buf);
- if (*buf != '+')
- {
- strcpy (Errmsg, buf);
- return NOTOK;
- }
- else
- {
- return OK;
- }
-}
-
-pop_stat (nmsgs, nbytes)
- int *nmsgs, *nbytes;
-{
- char buf[128];
-
- if (debug)
- fprintf (stderr, "---> STAT\n");
- if (putline ("STAT", Errmsg, sfo) == NOTOK)
- return NOTOK;
-
- if (getline (buf, sizeof buf, sfi) != OK)
- {
- strcpy (Errmsg, buf);
- return NOTOK;
- }
-
- if (debug) fprintf (stderr, "<--- %s\n", buf);
- if (*buf != '+')
- {
- strcpy (Errmsg, buf);
- return NOTOK;
- }
- else
- {
- sscanf (buf, "+OK %d %d", nmsgs, nbytes);
- return OK;
- }
+ return (0);
}
-pop_retr (msgno, action, arg)
+pop_retr (server, msgno, action, arg)
+ popserver server;
int (*action)();
{
- char buf[128];
-
- sprintf (buf, "RETR %d", msgno);
- if (debug) fprintf (stderr, "%s\n", buf);
- if (putline (buf, Errmsg, sfo) == NOTOK) return NOTOK;
+ extern char *strerror ();
+ char *line;
+ int ret;
- if (getline (buf, sizeof buf, sfi) != OK)
+ if (pop_retrieve_first (server, msgno, &line))
{
- strcpy (Errmsg, buf);
- return NOTOK;
+ strncpy (Errmsg, pop_error, sizeof (Errmsg));
+ Errmsg[sizeof (Errmsg)-1] = '\0';
+ return (NOTOK);
}
- while (1)
+ while (! (ret = pop_retrieve_next (server, &line)))
{
- switch (multiline (buf, sizeof buf, sfi))
+ if (! line)
+ break;
+
+ if ((*action)(line, arg) != OK)
{
- case OK:
- (*action)(buf, arg);
- break;
- case DONE:
- return OK;
- case NOTOK:
- strcpy (Errmsg, buf);
- return NOTOK;
+ strcpy (Errmsg, strerror (errno));
+ pop_close (server);
+ return (NOTOK);
}
}
-}
-
-getline (buf, n, f)
- char *buf;
- register int n;
- FILE *f;
-{
- register char *p;
- int c;
-
- p = buf;
- while (--n > 0 && (c = fgetc (f)) != EOF)
- if ((*p++ = c) == '\n') break;
-
- if (ferror (f))
- {
- strcpy (buf, "error on connection");
- return NOTOK;
- }
- if (c == EOF && p == buf)
- {
- strcpy (buf, "connection closed by foreign host");
- return DONE;
- }
-
- *p = NULL;
- if (*--p == '\n') *p = NULL;
- if (*--p == '\r') *p = NULL;
- return OK;
-}
-
-multiline (buf, n, f)
- char *buf;
- register int n;
- FILE *f;
-{
- if (getline (buf, n, f) != OK)
- return NOTOK;
- if (*buf == '.')
+ if (ret)
{
- if (*(buf+1) == NULL)
- return DONE;
- else
- strcpy (buf, buf+1);
+ strncpy (Errmsg, pop_error, sizeof (Errmsg));
+ Errmsg[sizeof (Errmsg)-1] = '\0';
+ return (NOTOK);
}
- return OK;
-}
-
-char *
-get_errmsg ()
-{
- extern int errno, sys_nerr;
- extern char *sys_errlist[];
- char *s;
- if (errno < sys_nerr)
- s = sys_errlist[errno];
- else
- s = "unknown error";
- return (s);
+ return (OK);
}
-putline (buf, err, f)
- char *buf;
- char *err;
- FILE *f;
-{
- fprintf (f, "%s\r\n", buf);
- fflush (f);
- if (ferror (f))
- {
- strcpy (err, "lost connection");
- return NOTOK;
- }
- return OK;
-}
+/* Do this as a macro instead of using strcmp to save on execution time. */
+#define IS_FROM_LINE(a) ((a[0] == 'F') \
+ && (a[1] == 'r') \
+ && (a[2] == 'o') \
+ && (a[3] == 'm') \
+ && (a[4] == ' '))
+int
mbx_write (line, mbf)
char *line;
FILE *mbf;
{
- fputs (line, mbf);
- fputc (0x0a, mbf);
+ if (IS_FROM_LINE (line))
+ {
+ if (fputc ('>', mbf) == EOF)
+ return (NOTOK);
+ }
+ if (fputs (line, mbf) == EOF)
+ return (NOTOK);
+ if (fputc (0x0a, mbf) == EOF)
+ return (NOTOK);
+ return (OK);
}
+int
mbx_delimit_begin (mbf)
FILE *mbf;
{
- fputs ("\f\n0, unseen,,\n", mbf);
+ if (fputs ("\f\n0, unseen,,\n", mbf) == EOF)
+ return (NOTOK);
+ return (OK);
}
mbx_delimit_end (mbf)
FILE *mbf;
{
- putc ('\037', mbf);
+ if (putc ('\037', mbf) == EOF)
+ return (NOTOK);
+ return (OK);
}
#endif /* MAIL_USE_POP */
+\f
+#ifndef HAVE_STRERROR
+char *
+strerror (errnum)
+ int errnum;
+{
+ extern char *sys_errlist[];
+ extern int sys_nerr;
+
+ if (errnum >= 0 && errnum < sys_nerr)
+ return sys_errlist[errnum];
+ return (char *) "Unknown error";
+}
+
+#endif /* ! HAVE_STRERROR */