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`format' can handle \0 in format string (why not?)

This commit is contained in:
Roberto Ierusalimschy 2001-07-17 15:46:49 -03:00
parent d8f37bf42a
commit b3dd9b1bb1
1 changed files with 5 additions and 3 deletions
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8
lstrlib.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lstrlib.c,v 1.67 2001/03/06 20:09:38 roberto Exp roberto $ ** $Id: lstrlib.c,v 1.68 2001/03/26 14:31:49 roberto Exp roberto $
** Standard library for string operations and pattern-matching ** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -580,10 +580,12 @@ static const l_char *scanformat (lua_State *L, const l_char *strfrmt,
static int str_format (lua_State *L) { static int str_format (lua_State *L) {
int arg = 1; int arg = 1;
const l_char *strfrmt = luaL_check_string(L, arg); size_t sfl;
const l_char *strfrmt = luaL_check_lstr(L, arg, &sfl);
const l_char *strfrmt_end = strfrmt+sfl;
luaL_Buffer b; luaL_Buffer b;
luaL_buffinit(L, &b); luaL_buffinit(L, &b);
while (*strfrmt) { while (strfrmt < strfrmt_end) {
if (*strfrmt != l_c('%')) if (*strfrmt != l_c('%'))
luaL_putchar(&b, *strfrmt++); luaL_putchar(&b, *strfrmt++);
else if (*++strfrmt == l_c('%')) else if (*++strfrmt == l_c('%'))