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Use string buffer for string.dump().

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This commit is contained in:
Mike Pall 2013-03-20 16:56:09 +01:00
parent d38d10a3dd
commit fecde1b222
1 changed files with 8 additions and 6 deletions
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14
src/lib_string.c
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@ -144,9 +144,9 @@ LJLIB_ASM_(string_upper)
/* ------------------------------------------------------------------------ */ /* ------------------------------------------------------------------------ */
static int writer_buf(lua_State *L, const void *p, size_t size, void *b) static int writer_buf(lua_State *L, const void *p, size_t size, void *sb)
{ {
luaL_addlstring((luaL_Buffer *)b, (const char *)p, size); lj_buf_putmem((SBuf *)sb, p, (MSize)size);
UNUSED(L); UNUSED(L);
return 0; return 0;
} }
@ -155,12 +155,14 @@ LJLIB_CF(string_dump)
{ {
GCfunc *fn = lj_lib_checkfunc(L, 1); GCfunc *fn = lj_lib_checkfunc(L, 1);
int strip = L->base+1 < L->top && tvistruecond(L->base+1); int strip = L->base+1 < L->top && tvistruecond(L->base+1);
luaL_Buffer b; SBuf *sb = &G(L)->tmpbuf; /* Assumes lj_bcwrite() doesn't use tmpbuf. */
setmref(sb->L, L);
lj_buf_reset(sb);
L->top = L->base+1; L->top = L->base+1;
luaL_buffinit(L, &b); if (!isluafunc(fn) || lj_bcwrite(L, funcproto(fn), writer_buf, sb, strip))
if (!isluafunc(fn) || lj_bcwrite(L, funcproto(fn), writer_buf, &b, strip))
lj_err_caller(L, LJ_ERR_STRDUMP); lj_err_caller(L, LJ_ERR_STRDUMP);
luaL_pushresult(&b); setstrV(L, L->top-1, lj_buf_str(L, sb));
lj_gc_check(L);
return 1; return 1;
} }