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-rw-r--r--src/ldump.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/ldump.c b/src/ldump.c
index 4c04812..016e300 100644
--- a/src/ldump.c
+++ b/src/ldump.c
@@ -1,5 +1,5 @@
/*
-** $Id: ldump.c,v 2.36 2015/03/30 15:43:51 roberto Exp $
+** $Id: ldump.c,v 2.37 2015/10/08 15:53:49 roberto Exp $
** save precompiled Lua chunks
** See Copyright Notice in lua.h
*/
@@ -38,7 +38,7 @@ typedef struct {
static void DumpBlock (const void *b, size_t size, DumpState *D) {
- if (D->status == 0) {
+ if (D->status == 0 && size > 0) {
lua_unlock(D->L);
D->status = (*D->writer)(D->L, b, size, D->data);
lua_lock(D->L);