# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1385651871 -3600
# Node ID e6d5956d05e627e37a1fff8c2b6e3df419a3657c
# Parent  4fd1e660744d5fb2c2e5a92f736cf691799c27f4# Parent  1f6923702fc3765867178508cbecae1b2d6324b2
Merge 0.10->trunk

diff -r 4fd1e660744d -r e6d5956d05e6 util-src/pposix.c
--- a/util-src/pposix.c	Sun Nov 24 14:24:53 2013 +0100
+++ b/util-src/pposix.c	Thu Nov 28 16:17:51 2013 +0100
@@ -676,6 +676,8 @@
 {
 	off_t offset, len;
 	FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE);
+	if (f == NULL)
+		luaL_error(L, "attempt to use a closed file");
 
 	offset = luaL_checkinteger(L, 2);
 	len = luaL_checkinteger(L, 3);