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authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2015-10-08 12:53:49 -0300
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2015-10-08 12:53:49 -0300
commit0c78de0d6df13269458d38199f0a8bbe7ce733f2 (patch)
tree1cf02646d2363d1136e99ce50e1e97ce8a45b563 /ldump.c
parentdf45f7118bb1c849bca789cbeaaa5a2268b2c601 (diff)
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avoid calling write function with empty block
Diffstat (limited to 'ldump.c')
-rw-r--r--ldump.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ldump.c b/ldump.c
index b3d201e9..19030edc 100644
--- a/ldump.c
+++ b/ldump.c
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: ldump.c,v 2.35 2015/01/16 16:54:37 roberto Exp roberto $ 2** $Id: ldump.c,v 2.36 2015/03/30 15:43:51 roberto Exp roberto $
3** save precompiled Lua chunks 3** save precompiled Lua chunks
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -38,7 +38,7 @@ typedef struct {
38 38
39 39
40static void DumpBlock (const void *b, size_t size, DumpState *D) { 40static void DumpBlock (const void *b, size_t size, DumpState *D) {
41 if (D->status == 0) { 41 if (D->status == 0 && size > 0) {
42 lua_unlock(D->L); 42 lua_unlock(D->L);
43 D->status = (*D->writer)(D->L, b, size, D->data); 43 D->status = (*D->writer)(D->L, b, size, D->data);
44 lua_lock(D->L); 44 lua_lock(D->L);