retr.c
2.11 KB
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This program 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 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "pop3d.h"
/* Prints out the specified message */
int
pop3d_retr (const char *arg)
{
size_t mesgno, n;
char *buf;
size_t buflen = BUFFERSIZE;
message_t msg;
attribute_t attr;
stream_t stream;
off_t off;
if ((strlen (arg) == 0) || (strchr (arg, ' ') != NULL))
return ERR_BAD_ARGS;
if (state != TRANSACTION)
return ERR_WRONG_STATE;
mesgno = strtoul (arg, NULL, 10);
if (mailbox_get_message (mbox, mesgno, &msg) != 0)
return ERR_NO_MESG;
message_get_attribute (msg, &attr);
if (attribute_is_deleted (attr))
return ERR_MESG_DELE;
message_get_stream (msg, &stream);
fprintf (ofile, "+OK\r\n");
off = n = 0;
buf = malloc (buflen * sizeof (*buf));
if (buf == NULL)
pop3d_abquit (ERR_NO_MEM);
while (stream_readline (stream, buf, buflen, off, &n) == 0
&& n > 0)
{
/* Nuke the trailing newline. */
if (buf[n - 1] == '\n')
buf[n - 1] = '\0';
else /* Make room for the line. */
{
buflen *= 2;
buf = realloc (buf, buflen * sizeof (*buf));
if (buf == NULL)
pop3d_abquit (ERR_NO_MEM);
continue;
}
if (buf[0] == '.')
fprintf (ofile, ".%s\r\n", buf);
else
fprintf (ofile, "%s\r\n", buf);
off += n;
}
if (!attribute_is_read (attr))
attribute_set_read (attr);
free (buf);
fprintf (ofile, ".\r\n");
return OK;
}