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new way to handle _PROMPT

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This commit is contained in:
Roberto Ierusalimschy 1999-12-20 11:03:20 -02:00
parent 12b45c2df2
commit de65253f2d
1 changed files with 10 additions and 4 deletions
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14
lua.c
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@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.27 1999/11/22 13:12:07 roberto Exp roberto $
** $Id: lua.c,v 1.28 1999/12/06 11:41:28 roberto Exp roberto $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@ -15,6 +15,10 @@
#include "lualib.h"
#ifndef PROMPT
#define PROMPT "> "
#endif
#ifdef _POSIX_SOURCE
#include <unistd.h>
#else
@ -119,8 +123,11 @@ static void manual_input (int prompt) {
char buffer[BUFSIZ];
int i = 0;
lua_beginblock();
if (prompt)
printf("%s", lua_getstring(lua_getglobal("_PROMPT")));
if (prompt) {
const char *s = lua_getstring(lua_getglobal("_PROMPT"));
if (!s) s = PROMPT;
printf("%s", s);
}
for(;;) {
int c = getchar();
if (c == EOF) {
@ -149,7 +156,6 @@ static void manual_input (int prompt) {
int main (int argc, char *argv[]) {
int i;
lua_state = lua_newstate("stack", 1024, "builtin", 1, NULL);
lua_pushstring("> "); lua_setglobal("_PROMPT");
lua_userinit();
getargs(argc, argv);
if (argc < 2) { /* no arguments? */