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small changes in 'luaO_pushvfstring'

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Roberto Ierusalimschy 2010-04-02 12:30:27 -03:00
parent 11126422d9
commit d00d2eaf51
1 changed files with 13 additions and 15 deletions
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28
lobject.c
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@ -1,5 +1,5 @@
/*
** $Id: lobject.c,v 2.34 2009/11/26 11:39:20 roberto Exp roberto $
** $Id: lobject.c,v 2.35 2010/02/05 19:09:09 roberto Exp roberto $
** Some generic functions over Lua objects
** See Copyright Notice in lua.h
*/
@ -116,16 +116,15 @@ int luaO_str2d (const char *s, lua_Number *result) {
static void pushstr (lua_State *L, const char *str) {
setsvalue2s(L, L->top, luaS_new(L, str));
static void pushstr (lua_State *L, const char *str, size_t l) {
setsvalue2s(L, L->top, luaS_newlstr(L, str, l));
incr_top(L);
}
/* this function handles only `%d', `%c', %f, %p, and `%s' formats */
const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
int n = 1;
pushstr(L, "");
int n = 0;
for (;;) {
const char *e = strchr(fmt, '%');
if (e == NULL) break;
@ -135,14 +134,13 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
case 's': {
const char *s = va_arg(argp, char *);
if (s == NULL) s = "(null)";
pushstr(L, s);
pushstr(L, s, strlen(s));
break;
}
case 'c': {
char buff[2];
buff[0] = cast(char, va_arg(argp, int));
buff[1] = '\0';
pushstr(L, buff);
char buff;
buff = cast(char, va_arg(argp, int));
pushstr(L, &buff, 1);
break;
}
case 'd': {
@ -157,12 +155,12 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
}
case 'p': {
char buff[4*sizeof(void *) + 8]; /* should be enough space for a `%p' */
sprintf(buff, "%p", va_arg(argp, void *));
pushstr(L, buff);
int l = sprintf(buff, "%p", va_arg(argp, void *));
pushstr(L, buff, l);
break;
}
case '%': {
pushstr(L, "%");
pushstr(L, "%", 1);
break;
}
default: {
@ -175,8 +173,8 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
n += 2;
fmt = e+2;
}
pushstr(L, fmt);
luaV_concat(L, n+1);
pushstr(L, fmt, strlen(fmt));
if (n > 0) luaV_concat(L, n + 1);
return svalue(L->top - 1);
}