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lauxlib.c
22
lauxlib.c
@ -1,5 +1,5 @@
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/*
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** $Id: lauxlib.c,v 1.164 2006/10/16 14:38:38 roberto Exp roberto $
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** $Id: lauxlib.c,v 1.165 2007/02/07 17:51:21 roberto Exp roberto $
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** Auxiliary functions for building Lua libraries
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** See Copyright Notice in lua.h
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*/
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@ -234,21 +234,17 @@ LUALIB_API const char *luaL_tostring (lua_State *L, int idx) {
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if (!luaL_callmeta(L, idx, "__tostring")) { /* no metafield? */
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switch (lua_type(L, idx)) {
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case LUA_TNUMBER:
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lua_pushstring(L, lua_tostring(L, idx));
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break;
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return lua_pushstring(L, lua_tostring(L, idx));
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case LUA_TSTRING:
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lua_pushvalue(L, idx);
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break;
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case LUA_TBOOLEAN:
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lua_pushstring(L, (lua_toboolean(L, idx) ? "true" : "false"));
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break;
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return lua_pushstring(L, (lua_toboolean(L, idx) ? "true" : "false"));
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case LUA_TNIL:
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lua_pushliteral(L, "nil");
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break;
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return lua_pushliteral(L, "nil");
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default:
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lua_pushfstring(L, "%s: %p", luaL_typename(L, idx),
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return lua_pushfstring(L, "%s: %p", luaL_typename(L, idx),
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lua_topointer(L, idx));
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break;
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}
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}
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return lua_tostring(L, -1);
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@ -601,9 +597,8 @@ LUALIB_API int luaL_loadfile (lua_State *L, const char *filename) {
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while ((c = getc(lf.f)) != EOF && c != '\n') ; /* skip first line */
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if (c == '\n') c = getc(lf.f);
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}
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if (c == LUA_SIGNATURE[0] && lf.f != stdin) { /* binary file? */
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fclose(lf.f);
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lf.f = fopen(filename, "rb"); /* reopen in binary mode */
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if (c == LUA_SIGNATURE[0] && filename) { /* binary file? */
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lf.f = freopen(filename, "rb", lf.f); /* reopen in binary mode */
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if (lf.f == NULL) return errfile(L, "reopen", fnameindex);
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/* skip eventual `#!...' */
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while ((c = getc(lf.f)) != EOF && c != LUA_SIGNATURE[0]) ;
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@ -612,7 +607,7 @@ LUALIB_API int luaL_loadfile (lua_State *L, const char *filename) {
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ungetc(c, lf.f);
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status = lua_load(L, getF, &lf, lua_tostring(L, -1));
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readstatus = ferror(lf.f);
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if (lf.f != stdin) fclose(lf.f); /* close file (even in case of errors) */
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if (filename) fclose(lf.f); /* close file (even in case of errors) */
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if (readstatus) {
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lua_settop(L, fnameindex); /* ignore results from `lua_load' */
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return errfile(L, "read", fnameindex);
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@ -669,7 +664,6 @@ static void *l_alloc (void *ud, void *ptr, size_t osize, size_t nsize) {
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static int panic (lua_State *L) {
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(void)L; /* to avoid warnings */
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fprintf(stderr, "PANIC: unprotected error in call to Lua API (%s)\n",
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lua_tostring(L, -1));
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exit(EXIT_FAILURE); /* do not return to Lua */
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