2bc7f701cc
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@325 ec53bebd-3082-4978-b11e-865c3cabbd6b
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/*
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* Copyright (c) 1989 Regents of the University of California.
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* All rights reserved. The Berkeley software License Agreement
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* specifies the terms and conditions for redistribution.
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*/
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#ifndef lint
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static char copyright[] = "Copyright (c) 1990 Regents of the University of California.\nAll rights reserved.\n";
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static char SccsId[] = "@(#)@(#)pop_dropinfo.c 2.1 2.1 3/18/91";
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#endif /* not lint */
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#include <popper.h>
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extern int errno;
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/*
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* dropinfo: Extract information about the POP maildrop and store
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* it for use by the other POP routines.
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*/
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int
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pop_dropinfo(POP *p)
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{
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char buffer[BUFSIZ]; /* Read buffer */
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MsgInfoList * mp; /* Pointer to message
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info list */
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register int msg_num; /* Current message
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counter */
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int nchar; /* Bytes written/read */
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/* Initialize maildrop status variables in the POP parameter block */
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p->msg_count = 0;
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p->msgs_deleted = 0;
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p->last_msg = 0;
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p->bytes_deleted = 0;
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p->drop_size = 0;
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/* Allocate memory for message information structures */
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p->msg_count = ALLOC_MSGS;
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p->mlp = (MsgInfoList *)calloc((unsigned)p->msg_count,sizeof(MsgInfoList));
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if (p->mlp == NULL){
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(void)fclose (p->drop);
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p->msg_count = 0;
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return pop_msg (p,POP_FAILURE,
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"Can't build message list for '%s': Out of memory", p->user);
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}
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rewind (p->drop);
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/* Scan the file, loading the message information list with
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information about each message */
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for (msg_num = p->drop_size = 0, mp = p->mlp - 1;
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fgets(buffer,MAXMSGLINELEN,p->drop);) {
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nchar = strlen(buffer);
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if (strncmp(buffer,"From ",5) == 0) {
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if (++msg_num > p->msg_count) {
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p->mlp=(MsgInfoList *) realloc(p->mlp,
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(p->msg_count+=ALLOC_MSGS)*sizeof(MsgInfoList));
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if (p->mlp == NULL){
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(void)fclose (p->drop);
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p->msg_count = 0;
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return pop_msg (p,POP_FAILURE,
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"Can't build message list for '%s': Out of memory",
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p->user);
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}
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mp = p->mlp + msg_num - 2;
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}
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#ifdef DEBUG
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if(p->debug)
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pop_log(p,POP_DEBUG,
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"Msg %d at offset %d is %d octets long and has %u lines.",
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mp->number,mp->offset,mp->length,mp->lines);
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#endif /* DEBUG */
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++mp;
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mp->number = msg_num;
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mp->length = 0;
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mp->lines = 0;
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mp->offset = ftell(p->drop) - nchar;
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mp->del_flag = FALSE;
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mp->retr_flag = FALSE;
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#ifdef DEBUG
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if(p->debug)
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pop_log(p,POP_DEBUG, "Msg %d being added to list", mp->number);
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#endif /* DEBUG */
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}
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mp->length += nchar;
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p->drop_size += nchar;
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mp->lines++;
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}
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p->msg_count = msg_num;
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#ifdef DEBUG
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if(p->debug && msg_num > 0) {
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register i;
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for (i = 0, mp = p->mlp; i < p->msg_count; i++, mp++)
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pop_log(p,POP_DEBUG,
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"Msg %d at offset %d is %d octets long and has %u lines.",
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mp->number,mp->offset,mp->length,mp->lines);
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}
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#endif /* DEBUG */
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return(POP_SUCCESS);
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}
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