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Diffstat (limited to 'Build/source/libs/luajit/LuaJIT-src/src/lib_os.c')
-rw-r--r--Build/source/libs/luajit/LuaJIT-src/src/lib_os.c292
1 files changed, 292 insertions, 0 deletions
diff --git a/Build/source/libs/luajit/LuaJIT-src/src/lib_os.c b/Build/source/libs/luajit/LuaJIT-src/src/lib_os.c
new file mode 100644
index 00000000000..7b5873a518a
--- /dev/null
+++ b/Build/source/libs/luajit/LuaJIT-src/src/lib_os.c
@@ -0,0 +1,292 @@
+/*
+** OS library.
+** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h
+**
+** Major portions taken verbatim or adapted from the Lua interpreter.
+** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
+*/
+
+#include <errno.h>
+#include <time.h>
+
+#define lib_os_c
+#define LUA_LIB
+
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+
+#include "lj_obj.h"
+#include "lj_gc.h"
+#include "lj_err.h"
+#include "lj_buf.h"
+#include "lj_str.h"
+#include "lj_lib.h"
+
+#if LJ_TARGET_POSIX
+#include <unistd.h>
+#else
+#include <stdio.h>
+#endif
+
+#if !LJ_TARGET_PSVITA
+#include <locale.h>
+#endif
+
+/* ------------------------------------------------------------------------ */
+
+#define LJLIB_MODULE_os
+
+LJLIB_CF(os_execute)
+{
+#if LJ_TARGET_CONSOLE
+#if LJ_52
+ errno = ENOSYS;
+ return luaL_fileresult(L, 0, NULL);
+#else
+ lua_pushinteger(L, -1);
+ return 1;
+#endif
+#else
+ const char *cmd = luaL_optstring(L, 1, NULL);
+ int stat = system(cmd);
+#if LJ_52
+ if (cmd)
+ return luaL_execresult(L, stat);
+ setboolV(L->top++, 1);
+#else
+ setintV(L->top++, stat);
+#endif
+ return 1;
+#endif
+}
+
+LJLIB_CF(os_remove)
+{
+ const char *filename = luaL_checkstring(L, 1);
+ return luaL_fileresult(L, remove(filename) == 0, filename);
+}
+
+LJLIB_CF(os_rename)
+{
+ const char *fromname = luaL_checkstring(L, 1);
+ const char *toname = luaL_checkstring(L, 2);
+ return luaL_fileresult(L, rename(fromname, toname) == 0, fromname);
+}
+
+LJLIB_CF(os_tmpname)
+{
+#if LJ_TARGET_PS3 || LJ_TARGET_PS4 || LJ_TARGET_PSVITA
+ lj_err_caller(L, LJ_ERR_OSUNIQF);
+ return 0;
+#else
+#if LJ_TARGET_POSIX
+ char buf[15+1];
+ int fp;
+ strcpy(buf, "/tmp/lua_XXXXXX");
+ fp = mkstemp(buf);
+ if (fp != -1)
+ close(fp);
+ else
+ lj_err_caller(L, LJ_ERR_OSUNIQF);
+#else
+ char buf[L_tmpnam];
+ if (tmpnam(buf) == NULL)
+ lj_err_caller(L, LJ_ERR_OSUNIQF);
+#endif
+ lua_pushstring(L, buf);
+ return 1;
+#endif
+}
+
+LJLIB_CF(os_getenv)
+{
+#if LJ_TARGET_CONSOLE
+ lua_pushnil(L);
+#else
+ lua_pushstring(L, getenv(luaL_checkstring(L, 1))); /* if NULL push nil */
+#endif
+ return 1;
+}
+
+LJLIB_CF(os_exit)
+{
+ int status;
+ if (L->base < L->top && tvisbool(L->base))
+ status = boolV(L->base) ? EXIT_SUCCESS : EXIT_FAILURE;
+ else
+ status = lj_lib_optint(L, 1, EXIT_SUCCESS);
+ if (L->base+1 < L->top && tvistruecond(L->base+1))
+ lua_close(L);
+ exit(status);
+ return 0; /* Unreachable. */
+}
+
+LJLIB_CF(os_clock)
+{
+ setnumV(L->top++, ((lua_Number)clock())*(1.0/(lua_Number)CLOCKS_PER_SEC));
+ return 1;
+}
+
+/* ------------------------------------------------------------------------ */
+
+static void setfield(lua_State *L, const char *key, int value)
+{
+ lua_pushinteger(L, value);
+ lua_setfield(L, -2, key);
+}
+
+static void setboolfield(lua_State *L, const char *key, int value)
+{
+ if (value < 0) /* undefined? */
+ return; /* does not set field */
+ lua_pushboolean(L, value);
+ lua_setfield(L, -2, key);
+}
+
+static int getboolfield(lua_State *L, const char *key)
+{
+ int res;
+ lua_getfield(L, -1, key);
+ res = lua_isnil(L, -1) ? -1 : lua_toboolean(L, -1);
+ lua_pop(L, 1);
+ return res;
+}
+
+static int getfield(lua_State *L, const char *key, int d)
+{
+ int res;
+ lua_getfield(L, -1, key);
+ if (lua_isnumber(L, -1)) {
+ res = (int)lua_tointeger(L, -1);
+ } else {
+ if (d < 0)
+ lj_err_callerv(L, LJ_ERR_OSDATEF, key);
+ res = d;
+ }
+ lua_pop(L, 1);
+ return res;
+}
+
+LJLIB_CF(os_date)
+{
+ const char *s = luaL_optstring(L, 1, "%c");
+ time_t t = luaL_opt(L, (time_t)luaL_checknumber, 2, time(NULL));
+ struct tm *stm;
+#if LJ_TARGET_POSIX
+ struct tm rtm;
+#endif
+ if (*s == '!') { /* UTC? */
+ s++; /* Skip '!' */
+#if LJ_TARGET_POSIX
+ stm = gmtime_r(&t, &rtm);
+#else
+ stm = gmtime(&t);
+#endif
+ } else {
+#if LJ_TARGET_POSIX
+ stm = localtime_r(&t, &rtm);
+#else
+ stm = localtime(&t);
+#endif
+ }
+ if (stm == NULL) { /* Invalid date? */
+ setnilV(L->top++);
+ } else if (strcmp(s, "*t") == 0) {
+ lua_createtable(L, 0, 9); /* 9 = number of fields */
+ setfield(L, "sec", stm->tm_sec);
+ setfield(L, "min", stm->tm_min);
+ setfield(L, "hour", stm->tm_hour);
+ setfield(L, "day", stm->tm_mday);
+ setfield(L, "month", stm->tm_mon+1);
+ setfield(L, "year", stm->tm_year+1900);
+ setfield(L, "wday", stm->tm_wday+1);
+ setfield(L, "yday", stm->tm_yday+1);
+ setboolfield(L, "isdst", stm->tm_isdst);
+ } else if (*s) {
+ SBuf *sb = &G(L)->tmpbuf;
+ MSize sz = 0;
+ const char *q;
+ for (q = s; *q; q++)
+ sz += (*q == '%') ? 30 : 1; /* Overflow doesn't matter. */
+ setsbufL(sb, L);
+ for (;;) {
+ char *buf = lj_buf_need(sb, sz);
+ size_t len = strftime(buf, sbufsz(sb), s, stm);
+ if (len) {
+ setstrV(L, L->top++, lj_str_new(L, buf, len));
+ lj_gc_check(L);
+ break;
+ }
+ sz += (sz|1);
+ }
+ } else {
+ setstrV(L, L->top++, &G(L)->strempty);
+ }
+ return 1;
+}
+
+LJLIB_CF(os_time)
+{
+ time_t t;
+ if (lua_isnoneornil(L, 1)) { /* called without args? */
+ t = time(NULL); /* get current time */
+ } else {
+ struct tm ts;
+ luaL_checktype(L, 1, LUA_TTABLE);
+ lua_settop(L, 1); /* make sure table is at the top */
+ ts.tm_sec = getfield(L, "sec", 0);
+ ts.tm_min = getfield(L, "min", 0);
+ ts.tm_hour = getfield(L, "hour", 12);
+ ts.tm_mday = getfield(L, "day", -1);
+ ts.tm_mon = getfield(L, "month", -1) - 1;
+ ts.tm_year = getfield(L, "year", -1) - 1900;
+ ts.tm_isdst = getboolfield(L, "isdst");
+ t = mktime(&ts);
+ }
+ if (t == (time_t)(-1))
+ lua_pushnil(L);
+ else
+ lua_pushnumber(L, (lua_Number)t);
+ return 1;
+}
+
+LJLIB_CF(os_difftime)
+{
+ lua_pushnumber(L, difftime((time_t)(luaL_checknumber(L, 1)),
+ (time_t)(luaL_optnumber(L, 2, (lua_Number)0))));
+ return 1;
+}
+
+/* ------------------------------------------------------------------------ */
+
+LJLIB_CF(os_setlocale)
+{
+#if LJ_TARGET_PSVITA
+ lua_pushliteral(L, "C");
+#else
+ GCstr *s = lj_lib_optstr(L, 1);
+ const char *str = s ? strdata(s) : NULL;
+ int opt = lj_lib_checkopt(L, 2, 6,
+ "\5ctype\7numeric\4time\7collate\10monetary\1\377\3all");
+ if (opt == 0) opt = LC_CTYPE;
+ else if (opt == 1) opt = LC_NUMERIC;
+ else if (opt == 2) opt = LC_TIME;
+ else if (opt == 3) opt = LC_COLLATE;
+ else if (opt == 4) opt = LC_MONETARY;
+ else if (opt == 6) opt = LC_ALL;
+ lua_pushstring(L, setlocale(opt, str));
+#endif
+ return 1;
+}
+
+/* ------------------------------------------------------------------------ */
+
+#include "lj_libdef.h"
+
+LUALIB_API int luaopen_os(lua_State *L)
+{
+ LJ_LIB_REG(L, LUA_OSLIBNAME, os);
+ return 1;
+}
+