#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>

#include "mailbox.h"

int get_dir_entries (char * dirname, struct entry *list[], int listlen)
{
	DIR * d;
	struct dirent * ent;
	struct stat statbuf;
	char strbuf[1000];
	int nentry;
	d = opendir (dirname);
	if (!d)
		return 0;
	nentry = 0;
	while ((ent = readdir (d))) {
		sprintf (strbuf, "%s/%s", dirname, ent->d_name);
		if (stat (strbuf, &statbuf) < 0)
			return -1;
		if ((statbuf.st_mode & S_IFMT) != S_IFREG)
			continue;
		if (nentry >= listlen) {
			errno = EOVERFLOW;
			return -1;
		}
		list[nentry] = malloc (sizeof (struct entry));
		list[nentry]->nam = strdup (ent->d_name);
		list[nentry]->del = 0;
		if (strlen (dirname) + strlen (list[nentry]->nam) +2 >= 1000) {
			errno = ENAMETOOLONG;
			return -1;
		}
		list[nentry]->size = statbuf.st_size;
		nentry++;
	}
	closedir (d);
	return nentry;
}