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`lua_Chunkwriter' returns 0 in case of success

This commit is contained in:
Roberto Ierusalimschy 2004-07-09 15:24:41 -03:00
parent 7a796a0682
commit 4206d7ed60
2 changed files with 20 additions and 15 deletions
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29
ldump.c
View File

@ -1,6 +1,6 @@
/*
** $Id: ldump.c,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
** save bytecodes
** $Id: ldump.c,v 1.7 2004/06/09 21:03:53 lhf Exp lhf $
** save pre-compiled Lua chunks
** See Copyright Notice in lua.h
*/
@ -21,16 +21,20 @@
typedef struct {
lua_State* L;
lua_Chunkwriter write;
lua_Chunkwriter writer;
void* data;
int strip;
int status;
} DumpState;
static void DumpBlock(const void* b, size_t size, DumpState* D)
{
lua_unlock(D->L);
(*D->write)(D->L,b,size,D->data);
lua_lock(D->L);
if (D->status==0)
{
lua_unlock(D->L);
D->status=(*D->writer)(D->L,b,size,D->data);
lua_lock(D->L);
}
}
static void DumpByte(int y, DumpState* D)
@ -54,7 +58,7 @@ static void DumpNumber(lua_Number x, DumpState* D)
DumpBlock(&x,sizeof(x),D);
}
static void DumpString(TString* s, DumpState* D)
static void DumpString(const TString* s, DumpState* D)
{
if (s==NULL || getstr(s)==NULL)
DumpSize(0,D);
@ -154,16 +158,17 @@ static void DumpHeader(DumpState* D)
}
/*
** dump function as precompiled chunk
** dump Lua function as precompiled chunk
*/
int luaU_dump (lua_State* L, const Proto* Main, lua_Chunkwriter w, void* data, int strip)
int luaU_dump (lua_State* L, const Proto* f, lua_Chunkwriter w, void* data, int strip)
{
DumpState D;
D.L=L;
D.write=w;
D.writer=w;
D.data=data;
D.strip=strip;
D.status=0;
DumpHeader(&D);
DumpFunction(Main,NULL,&D);
return 1;
DumpFunction(f,NULL,&D);
return D.status;
}

6
lstrlib.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lstrlib.c,v 1.102 2004/04/30 20:13:38 roberto Exp roberto $
** $Id: lstrlib.c,v 1.103 2004/06/08 14:31:15 roberto Exp roberto $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@ -133,7 +133,7 @@ static int str_char (lua_State *L) {
static int writer (lua_State *L, const void* b, size_t size, void* B) {
(void)L;
luaL_addlstring((luaL_Buffer*) B, (const char *)b, size);
return 1;
return 0;
}
@ -142,7 +142,7 @@ static int str_dump (lua_State *L) {
luaL_checktype(L, 1, LUA_TFUNCTION);
lua_settop(L, 1);
luaL_buffinit(L,&b);
if (!lua_dump(L, writer, &b))
if (lua_dump(L, writer, &b) != 0)
luaL_error(L, "unable to dump given function");
luaL_pushresult(&b);
return 1;