mirrors/lua
1
0
Fork 0
mirror of https://github.com/lua/lua synced 2024-11-22 21:01:26 +03:00
Code Issues Packages Projects Releases Wiki Activity

by default, gcc does not get tmpname

Browse Source
This commit is contained in:
Roberto Ierusalimschy 2003-02-27 09:39:05 -03:00
parent e1a424e8a3
commit 60d11ec316
1 changed files with 40 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
liolib.c
View File

@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.31 2003/02/11 15:24:52 roberto Exp roberto $
** $Id: liolib.c,v 2.32 2003/02/11 15:31:50 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -21,6 +21,36 @@
/*
** by default, gcc does not get `tmpname'
*/
#ifndef LUA_USETMPNAME
#ifdef __GNUC__
#define LUA_USETMPNAME 0
#else
#define LUA_USETMPNAME 1
#endif
#endif
/*
** by default, posix systems get `popen'
*/
#ifndef USE_POPEN
#ifdef _POSIX_C_SOURCE
#if _POSIX_C_SOURCE >= 2
#define USE_POPEN 1
#endif
#endif
#endif
#ifndef USE_POPEN
#define USE_POPEN 0
#endif
/*
** {======================================================
** FILE Operations
@ -28,14 +58,7 @@
*/
#ifdef _POSIX_C_SOURCE
#if _POSIX_C_SOURCE >= 2
#define USE_POPEN
#endif
#endif
#ifndef USE_POPEN
#if !USE_POPEN
#define pclose(f) (-1)
#endif
@ -180,7 +203,7 @@ static int io_open (lua_State *L) {
static int io_popen (lua_State *L) {
#ifndef USE_POPEN
#if !USE_POPEN
luaL_error(L, "`popen' not supported");
return 0;
#else
@ -247,10 +270,10 @@ static int io_output (lua_State *L) {
static int io_readline (lua_State *L);
static void aux_lines (lua_State *L, int index, int close) {
static void aux_lines (lua_State *L, int idx, int close) {
lua_pushliteral(L, FILEHANDLE);
lua_rawget(L, LUA_REGISTRYINDEX);
lua_pushvalue(L, index);
lua_pushvalue(L, idx);
lua_pushboolean(L, close); /* close/not close file when finished */
lua_pushcclosure(L, io_readline, 3);
}
@ -546,11 +569,16 @@ static int io_rename (lua_State *L) {
static int io_tmpname (lua_State *L) {
#if !LUA_USETMPNAME
luaL_error(L, "`tmpname' not supported");
return 0;
#else
char buff[L_tmpnam];
if (tmpnam(buff) != buff)
return luaL_error(L, "unable to generate a unique filename");
lua_pushstring(L, buff);
return 1;
#endif
}