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#include "getln.h"
#include "substdio.h"
#include "subfd.h"
#include "prioq.h"
#include "stralloc.h"
#include "str.h"
#include "exit.h"
#include "hfield.h"
#include "readwrite.h"
#include "open.h"
#include "headerbody.h"
#include "maildir.h"
#define FATAL "maildirwatch: fatal: "
void die_nomem() { strerr_die2x(111,FATAL,"out of memory"); }
stralloc recipient = {0};
stralloc sender = {0};
stralloc fromline = {0};
stralloc text = {0};
void addtext(s,n) char *s; int n;
{
if (!stralloc_catb(&text,s,n)) die_nomem();
if (text.len > 158) text.len = 158;
}
void dobody(h) stralloc *h; { addtext(h->s,h->len); }
void doheader(h) stralloc *h;
{
int i;
switch(hfield_known(h->s,h->len))
{
case H_SUBJECT:
i = hfield_skipname(h->s,h->len);
addtext(h->s + i,h->len - i);
break;
case H_DELIVEREDTO:
i = hfield_skipname(h->s,h->len);
if (i < h->len)
if (!stralloc_copyb(&recipient,h->s + i,h->len - i - 1)) die_nomem();
break;
case H_RETURNPATH:
i = hfield_skipname(h->s,h->len);
if (i < h->len)
if (!stralloc_copyb(&sender,h->s + i,h->len - i - 1)) die_nomem();
break;
case H_FROM:
if (!stralloc_copyb(&fromline,h->s,h->len - 1)) die_nomem();
break;
}
}
void finishheader() { ; }
stralloc filenames = {0};
prioq pq = {0};
char inbuf[SUBSTDIO_INSIZE];
substdio ssin;
void main()
{
struct prioq_elt pe;
int fd;
int i;
if (maildir_chdir() == -1)
strerr_die1(111,FATAL,&maildir_chdir_err);
for (;;)
{
maildir_clean(&filenames);
if (maildir_scan(&pq,&filenames,1,0) == -1)
strerr_die1(111,FATAL,&maildir_scan_err);
substdio_putsflush(subfdout,"\033[;H\033[;J");
while (prioq_min(&pq,&pe))
{
prioq_delmin(&pq);
fd = open_read(filenames.s + pe.id);
if (fd == -1) continue;
substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
if (!stralloc_copys(&sender,"?")) die_nomem();
if (!stralloc_copys(&recipient,"?")) die_nomem();
if (!stralloc_copys(&fromline,"")) die_nomem();
if (!stralloc_copys(&text,"")) die_nomem();
if (headerbody(&ssin,doheader,finishheader,dobody) == -1)
strerr_die2x(111,FATAL,"trouble reading new message");
for (i = 0;i < fromline.len;++i)
if ((fromline.s[i] < 32) || (fromline.s[i] > 126))
fromline.s[i] = '/';
for (i = 0;i < sender.len;++i)
if ((sender.s[i] < 32) || (sender.s[i] > 126))
sender.s[i] = '?';
for (i = 0;i < recipient.len;++i)
if ((recipient.s[i] < 32) || (recipient.s[i] > 126))
recipient.s[i] = '?';
for (i = 0;i < text.len;++i)
if ((text.s[i] < 32) || (text.s[i] > 126))
text.s[i] = '/';
substdio_puts(subfdout,"FROM ");
substdio_put(subfdout,sender.s,sender.len);
substdio_puts(subfdout," TO <");
substdio_put(subfdout,recipient.s,recipient.len);
substdio_puts(subfdout,">\n");
if (fromline.len)
{
substdio_puts(subfdout,"\033[1m");
substdio_put(subfdout,fromline.s,fromline.len);
substdio_puts(subfdout,"\033[0m\n");
}
substdio_put(subfdout,text.s,text.len);
substdio_puts(subfdout,"\n\n");
close(fd);
}
substdio_flush(subfdout);
sleep(30);
}
}
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