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Fix check for missing arguments in string.format().

master
Mike Pall 2011-06-10 13:47:11 +02:00
parent b6a7fc5330
commit 27d8d3b5d9
1 changed files with 3 additions and 2 deletions
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5
src/lib_string.c
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@ -736,7 +736,7 @@ static unsigned LUA_INTFRM_T num2uintfrm(lua_State *L, int arg)
LJLIB_CF(string_format)
{
int arg = 1;
int arg = 1, top = (int)(L->top - L->base);
GCstr *fmt = lj_lib_checkstr(L, arg);
const char *strfrmt = strdata(fmt);
const char *strfrmt_end = strfrmt + fmt->len;
@ -750,7 +750,8 @@ LJLIB_CF(string_format)
} else { /* format item */
char form[MAX_FMTSPEC]; /* to store the format (`%...') */
char buff[MAX_FMTITEM]; /* to store the formatted item */
arg++;
if (++arg > top)
luaL_argerror(L, arg, lj_obj_typename[0]);
strfrmt = scanformat(L, strfrmt, form);
switch (*strfrmt++) {
case 'c':