diff options
Diffstat (limited to 'Build/source/libs/lua52/lua52-src/src/loslib.c')
| -rw-r--r-- | Build/source/libs/lua52/lua52-src/src/loslib.c | 323 |
1 files changed, 0 insertions, 323 deletions
diff --git a/Build/source/libs/lua52/lua52-src/src/loslib.c b/Build/source/libs/lua52/lua52-src/src/loslib.c deleted file mode 100644 index 052ba174413..00000000000 --- a/Build/source/libs/lua52/lua52-src/src/loslib.c +++ /dev/null @@ -1,323 +0,0 @@ -/* -** $Id: loslib.c,v 1.40.1.1 2013/04/12 18:48:47 roberto Exp $ -** Standard Operating System library -** See Copyright Notice in lua.h -*/ - - -#include <errno.h> -#include <locale.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> - -#define loslib_c -#define LUA_LIB - -#include "lua.h" - -#include "lauxlib.h" -#include "lualib.h" - - -/* -** list of valid conversion specifiers for the 'strftime' function -*/ -#if !defined(LUA_STRFTIMEOPTIONS) - -#if !defined(LUA_USE_POSIX) -#define LUA_STRFTIMEOPTIONS { "aAbBcdHIjmMpSUwWxXyYz%", "" } -#else -#define LUA_STRFTIMEOPTIONS \ - { "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%", "" \ - "", "E", "cCxXyY", \ - "O", "deHImMSuUVwWy" } -#endif - -#endif - - - -/* -** By default, Lua uses tmpnam except when POSIX is available, where it -** uses mkstemp. -*/ -#if defined(LUA_USE_MKSTEMP) -#include <unistd.h> -#define LUA_TMPNAMBUFSIZE 32 -#define lua_tmpnam(b,e) { \ - strcpy(b, "/tmp/lua_XXXXXX"); \ - e = mkstemp(b); \ - if (e != -1) close(e); \ - e = (e == -1); } - -#elif !defined(lua_tmpnam) - -#define LUA_TMPNAMBUFSIZE L_tmpnam -#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); } - -#endif - - -/* -** By default, Lua uses gmtime/localtime, except when POSIX is available, -** where it uses gmtime_r/localtime_r -*/ -#if defined(LUA_USE_GMTIME_R) - -#define l_gmtime(t,r) gmtime_r(t,r) -#define l_localtime(t,r) localtime_r(t,r) - -#elif !defined(l_gmtime) - -#define l_gmtime(t,r) ((void)r, gmtime(t)) -#define l_localtime(t,r) ((void)r, localtime(t)) - -#endif - - - -static int os_execute (lua_State *L) { - const char *cmd = luaL_optstring(L, 1, NULL); - int stat = system(cmd); - if (cmd != NULL) - return luaL_execresult(L, stat); - else { - lua_pushboolean(L, stat); /* true if there is a shell */ - return 1; - } -} - - -static int os_remove (lua_State *L) { - const char *filename = luaL_checkstring(L, 1); - return luaL_fileresult(L, remove(filename) == 0, filename); -} - - -static int os_rename (lua_State *L) { - const char *fromname = luaL_checkstring(L, 1); - const char *toname = luaL_checkstring(L, 2); - return luaL_fileresult(L, rename(fromname, toname) == 0, NULL); -} - - -static int os_tmpname (lua_State *L) { - char buff[LUA_TMPNAMBUFSIZE]; - int err; - lua_tmpnam(buff, err); - if (err) - return luaL_error(L, "unable to generate a unique filename"); - lua_pushstring(L, buff); - return 1; -} - - -static int os_getenv (lua_State *L) { - lua_pushstring(L, getenv(luaL_checkstring(L, 1))); /* if NULL push nil */ - return 1; -} - - -static int os_clock (lua_State *L) { - lua_pushnumber(L, ((lua_Number)clock())/(lua_Number)CLOCKS_PER_SEC); - return 1; -} - - -/* -** {====================================================== -** Time/Date operations -** { year=%Y, month=%m, day=%d, hour=%H, min=%M, sec=%S, -** wday=%w+1, yday=%j, isdst=? } -** ======================================================= -*/ - -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, isnum; - lua_getfield(L, -1, key); - res = (int)lua_tointegerx(L, -1, &isnum); - if (!isnum) { - if (d < 0) - return luaL_error(L, "field " LUA_QS " missing in date table", key); - res = d; - } - lua_pop(L, 1); - return res; -} - - -static const char *checkoption (lua_State *L, const char *conv, char *buff) { - static const char *const options[] = LUA_STRFTIMEOPTIONS; - unsigned int i; - for (i = 0; i < sizeof(options)/sizeof(options[0]); i += 2) { - if (*conv != '\0' && strchr(options[i], *conv) != NULL) { - buff[1] = *conv; - if (*options[i + 1] == '\0') { /* one-char conversion specifier? */ - buff[2] = '\0'; /* end buffer */ - return conv + 1; - } - else if (*(conv + 1) != '\0' && - strchr(options[i + 1], *(conv + 1)) != NULL) { - buff[2] = *(conv + 1); /* valid two-char conversion specifier */ - buff[3] = '\0'; /* end buffer */ - return conv + 2; - } - } - } - luaL_argerror(L, 1, - lua_pushfstring(L, "invalid conversion specifier '%%%s'", conv)); - return conv; /* to avoid warnings */ -} - - -static int os_date (lua_State *L) { - const char *s = luaL_optstring(L, 1, "%c"); - time_t t = luaL_opt(L, (time_t)luaL_checknumber, 2, time(NULL)); - struct tm tmr, *stm; - if (*s == '!') { /* UTC? */ - stm = l_gmtime(&t, &tmr); - s++; /* skip `!' */ - } - else - stm = l_localtime(&t, &tmr); - if (stm == NULL) /* invalid date? */ - lua_pushnil(L); - 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 { - char cc[4]; - luaL_Buffer b; - cc[0] = '%'; - luaL_buffinit(L, &b); - while (*s) { - if (*s != '%') /* no conversion specifier? */ - luaL_addchar(&b, *s++); - else { - size_t reslen; - char buff[200]; /* should be big enough for any conversion result */ - s = checkoption(L, s + 1, cc); - reslen = strftime(buff, sizeof(buff), cc, stm); - luaL_addlstring(&b, buff, reslen); - } - } - luaL_pushresult(&b); - } - return 1; -} - - -static int os_time (lua_State *L) { - 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; -} - - -static int os_difftime (lua_State *L) { - lua_pushnumber(L, difftime((time_t)(luaL_checknumber(L, 1)), - (time_t)(luaL_optnumber(L, 2, 0)))); - return 1; -} - -/* }====================================================== */ - - -static int os_setlocale (lua_State *L) { - static const int cat[] = {LC_ALL, LC_COLLATE, LC_CTYPE, LC_MONETARY, - LC_NUMERIC, LC_TIME}; - static const char *const catnames[] = {"all", "collate", "ctype", "monetary", - "numeric", "time", NULL}; - const char *l = luaL_optstring(L, 1, NULL); - int op = luaL_checkoption(L, 2, "all", catnames); - lua_pushstring(L, setlocale(cat[op], l)); - return 1; -} - - -static int os_exit (lua_State *L) { - int status; - if (lua_isboolean(L, 1)) - status = (lua_toboolean(L, 1) ? EXIT_SUCCESS : EXIT_FAILURE); - else - status = luaL_optint(L, 1, EXIT_SUCCESS); - if (lua_toboolean(L, 2)) - lua_close(L); - if (L) exit(status); /* 'if' to avoid warnings for unreachable 'return' */ - return 0; -} - - -static const luaL_Reg syslib[] = { - {"clock", os_clock}, - {"date", os_date}, - {"difftime", os_difftime}, - {"execute", os_execute}, - {"exit", os_exit}, - {"getenv", os_getenv}, - {"remove", os_remove}, - {"rename", os_rename}, - {"setlocale", os_setlocale}, - {"time", os_time}, - {"tmpname", os_tmpname}, - {NULL, NULL} -}; - -/* }====================================================== */ - - - -LUAMOD_API int luaopen_os (lua_State *L) { - luaL_newlib(L, syslib); - return 1; -} - |