2 * Copyright (C) 2013 Jeremy Kerr <jk@ozlabs.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sys/types.h>
23 #include <talloc/talloc.h>
27 static const int max_file_size = 1024 * 1024;
29 int read_file(void *ctx, const char *filename, char **bufp, int *lenp)
35 fd = open(filename, O_RDONLY);
39 rc = fstat(fd, &statbuf);
43 len = statbuf.st_size;
44 if (len > max_file_size)
47 buf = talloc_array(ctx, char, len + 1);
51 for (i = 0; i < len; i += rc) {
52 rc = read(fd, buf + i, len - i);
54 /* unexpected EOF: trim and return */