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libs should not use Lua internal functions (like mem.h). 

a null lua_Object is LUA_NOOBJECT, not NULL.
This commit is contained in:
Roberto Ierusalimschy 1995-02-02 16:54:58 -02:00
parent 8795aab83e
commit 6198626138
1 changed files with 12 additions and 13 deletions
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25
iolib.c
View File

@ -3,7 +3,7 @@
** Input/output library to LUA
*/
char *rcs_iolib="$Id: iolib.c,v 1.17 1994/12/13 15:55:41 roberto Exp $";
char *rcs_iolib="$Id: iolib.c,v 1.19 1995/01/03 13:14:13 celes Exp roberto $";
#include <stdio.h>
#include <ctype.h>
@ -12,7 +12,6 @@ char *rcs_iolib="$Id: iolib.c,v 1.17 1994/12/13 15:55:41 roberto Exp $";
#include <time.h>
#include <stdlib.h>
#include "mem.h"
#include "lua.h"
#include "lualib.h"
@ -29,7 +28,7 @@ static FILE *in=stdin, *out=stdout;
static void io_readfrom (void)
{
lua_Object o = lua_getparam (1);
if (o == NULL) /* restore standart input */
if (o == LUA_NOOBJECT) /* restore standart input */
{
if (in != stdin)
{
@ -74,7 +73,7 @@ static void io_readfrom (void)
static void io_writeto (void)
{
lua_Object o = lua_getparam (1);
if (o == NULL) /* restore standart output */
if (o == LUA_NOOBJECT) /* restore standart output */
{
if (out != stdout)
{
@ -120,7 +119,7 @@ static void io_writeto (void)
static void io_appendto (void)
{
lua_Object o = lua_getparam (1);
if (o == NULL) /* restore standart output */
if (o == LUA_NOOBJECT) /* restore standart output */
{
if (out != stdout)
{
@ -177,7 +176,7 @@ static void io_appendto (void)
static void io_read (void)
{
lua_Object o = lua_getparam (1);
if (o == NULL || !lua_isstring(o)) /* free format */
if (o == LUA_NOOBJECT || !lua_isstring(o)) /* free format */
{
int c;
char s[256];
@ -323,20 +322,20 @@ static void io_readuntil (void)
else
d = *lua_getstring(lo);
s = newvector(n+1, char);
s = (char *)malloc(n+1);
while((c = fgetc(in)) != EOF && c != d)
{
if (m==n)
{
n *= 2;
s = growvector(s, n+1, char);
s = (char *)realloc(s, n+1);
}
s[m++] = c;
}
if (c != EOF) ungetc(c,in);
s[m] = 0;
lua_pushstring(s);
luaI_free(s);
free(s);
}
@ -443,12 +442,12 @@ static void io_write (void)
{
lua_Object o1 = lua_getparam (1);
lua_Object o2 = lua_getparam (2);
if (o1 == NULL) /* new line */
if (o1 == LUA_NOOBJECT) /* new line */
{
fprintf (out, "\n");
lua_pushnumber(1);
}
else if (o2 == NULL) /* free format */
else if (o2 == LUA_NOOBJECT) /* free format */
{
int status=0;
if (lua_isnumber(o1))
@ -476,7 +475,7 @@ static void io_write (void)
static void io_execute (void)
{
lua_Object o = lua_getparam (1);
if (o == NULL || !lua_isstring (o))
if (o == LUA_NOOBJECT || !lua_isstring (o))
{
lua_error ("incorrect argument to function 'execute`");
lua_pushnumber (0);
@ -496,7 +495,7 @@ static void io_execute (void)
static void io_remove (void)
{
lua_Object o = lua_getparam (1);
if (o == NULL || !lua_isstring (o))
if (o == LUA_NOOBJECT || !lua_isstring (o))
{
lua_error ("incorrect argument to function 'execute`");
lua_pushnumber (0);