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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);
- }
- }
-