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Experimental: update Lua scripting library to 5.2 version

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This commit is contained in:
alexey.min
2012-05-20 11:19:35 +00:00
parent 5ac7f9a5ba
commit 9b3c92fce3
62 changed files with 8866 additions and 6021 deletions
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150
l2detect/lua/loslib.c
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@@ -1,16 +1,15 @@
/*
** $Id: loslib.c,v 1.19.1.3 2008/01/18 16:38:18 roberto Exp $
** $Id: loslib.c,v 1.38 2011/11/30 12:35:05 roberto Exp $
** Standard Operating System library
** See Copyright Notice in lua.h
*/
#include "stdafx.h"
//#include <errno.h>
//#include <locale.h>
//#include <stdlib.h>
//#include <string.h>
//#include <time.h>
#include "stdafx.h"
#define loslib_c
#define LUA_LIB
@@ -21,37 +20,84 @@
#include "lualib.h"
static int os_pushresult (lua_State *L, int i, const char *filename) {
int en = errno; /* calls to Lua API may change this value */
if (i) {
lua_pushboolean(L, 1);
return 1;
}
else {
lua_pushnil(L);
lua_pushfstring(L, "%s: %s", filename, strerror(en));
lua_pushinteger(L, en);
return 3;
}
}
/*
** 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) {
lua_pushinteger(L, system(luaL_optstring(L, 1, NULL)));
return 1;
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 os_pushresult(L, remove(filename) == 0, filename);
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 os_pushresult(L, rename(fromname, toname) == 0, fromname);
return luaL_fileresult(L, rename(fromname, toname) == 0, fromname);
}
@@ -108,11 +154,10 @@ static int getboolfield (lua_State *L, const char *key) {
static int getfield (lua_State *L, const char *key, int d) {
int res;
int res, isnum;
lua_getfield(L, -1, key);
if (lua_isnumber(L, -1))
res = (int)lua_tointeger(L, -1);
else {
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;
@@ -122,16 +167,40 @@ static int getfield (lua_State *L, const char *key, int d) {
}
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 *stm;
struct tm tmr, *stm;
if (*s == '!') { /* UTC? */
stm = gmtime(&t);
stm = l_gmtime(&t, &tmr);
s++; /* skip `!' */
}
else
stm = localtime(&t);
stm = l_localtime(&t, &tmr);
if (stm == NULL) /* invalid date? */
lua_pushnil(L);
else if (strcmp(s, "*t") == 0) {
@@ -147,17 +216,17 @@ static int os_date (lua_State *L) {
setboolfield(L, "isdst", stm->tm_isdst);
}
else {
char cc[3];
char cc[4];
luaL_Buffer b;
cc[0] = '%'; cc[2] = '\0';
cc[0] = '%';
luaL_buffinit(L, &b);
for (; *s; s++) {
if (*s != '%' || *(s + 1) == '\0') /* no conversion specifier? */
luaL_addchar(&b, *s);
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 */
cc[1] = *(++s);
s = checkoption(L, s + 1, cc);
reslen = strftime(buff, sizeof(buff), cc, stm);
luaL_addlstring(&b, buff, reslen);
}
@@ -215,9 +284,18 @@ static int os_setlocale (lua_State *L) {
static int os_exit (lua_State *L) {
exit(luaL_optint(L, 1, EXIT_SUCCESS));
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},
@@ -237,8 +315,8 @@ static const luaL_Reg syslib[] = {
LUALIB_API int luaopen_os (lua_State *L) {
luaL_register(L, LUA_OSLIBNAME, syslib);
LUAMOD_API int luaopen_os (lua_State *L) {
luaL_newlib(L, syslib);
return 1;
}