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#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "prioq.h"
#include "env.h"
#include "stralloc.h"
#include "direntry.h"
#include "datetime.h"
#include "now.h"
#include "str.h"
#include "maildir.h"
#include "logmsg.h"
#define WHO "maildir"
int maildir_chdir()
{
char *maildir;
maildir = env_get("MAILDIR");
if (!maildir)
logmsg(WHO,111,ERROR,"MAILDIR not set");
if (chdir(maildir) == -1)
logmsg(WHO,110,FATAL,B("unable to chdir to: ",maildir));
return 0;
}
void maildir_clean(stralloc *tmpname)
{
DIR *dir;
direntry *d;
datetime_sec time;
struct stat st;
time = now();
dir = opendir("tmp");
if (!dir) return;
while ((d = readdir(dir))) {
if (d->d_name[0] == '.') continue;
if (!stralloc_copys(tmpname,"tmp/")) break;
if (!stralloc_cats(tmpname,d->d_name)) break;
if (!stralloc_0(tmpname)) break;
if (stat(tmpname->s,&st) == 0)
if (time > st.st_atime + 129600)
unlink(tmpname->s);
}
closedir(dir);
}
static int append(prioq *pq, stralloc *filenames, char *subdir, datetime_sec time)
{
DIR *dir;
direntry *d;
struct prioq_elt pe;
unsigned int pos;
struct stat st;
dir = opendir(subdir);
if (!dir)
logmsg(WHO,112,FATAL,B("unable to scan $MAILDIR/:",subdir));
while ((d = readdir(dir))) {
if (d->d_name[0] == '.') continue;
pos = filenames->len;
if (!stralloc_cats(filenames,subdir)) break;
if (!stralloc_cats(filenames,"/")) break;
if (!stralloc_cats(filenames,d->d_name)) break;
if (!stralloc_0(filenames)) break;
if (stat(filenames->s + pos,&st) == 0)
if (st.st_mtime < time) { /* don't want to mix up the order */
pe.dt = st.st_mtime;
pe.id = pos;
if (!prioq_insert(pq,&pe)) break;
}
}
closedir(dir);
if (d) logmsg(WHO,112,FATAL,B("unable to read $MAILDIR/:",subdir));
return 0;
}
int maildir_scan(prioq *pq, stralloc *filenames, int flagnew, int flagcur)
{
struct prioq_elt pe;
datetime_sec time;
if (!stralloc_copys(filenames,"")) return 0;
while (prioq_min(pq,&pe))
prioq_delmin(pq);
time = now();
if (flagnew) if (append(pq,filenames,"new",time) == -1) return -1;
if (flagcur) if (append(pq,filenames,"cur",time) == -1) return -1;
return 0;
}
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