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LUA updated to 5.3.0

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This commit is contained in:
lubomyr
2015-02-15 17:35:41 +00:00
parent ff2b0b4832
commit 9dcc10d0c5
78 changed files with 27705 additions and 7281 deletions
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205
project/jni/lua/src/loslib.c
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@@ -1,9 +1,14 @@
/*
** $Id: loslib.c,v 1.19.1.3 2008/01/18 16:38:18 roberto Exp $
** $Id: loslib.c,v 1.54 2014/12/26 14:46:07 roberto Exp $
** Standard Operating System library
** See Copyright Notice in lua.h
*/
#define loslib_c
#define LUA_LIB
#include "lprefix.h"
#include <errno.h>
#include <locale.h>
@@ -11,46 +16,121 @@
#include <string.h>
#include <time.h>
#define loslib_c
#define LUA_LIB
#include "lua.h"
#include "lauxlib.h"
#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;
}
}
#if !defined(LUA_STRFTIMEOPTIONS) /* { */
/*
** list of valid conversion specifiers for the 'strftime' function
*/
#if defined(LUA_USE_C89)
#define LUA_STRFTIMEOPTIONS { "aAbBcdHIjmMpSUwWxXyYz%", "" }
#else /* C99 specification */
#define LUA_STRFTIMEOPTIONS \
{ "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%", "", \
"E", "cCxXyY", \
"O", "deHImMSuUVwWy" }
#endif
#endif /* } */
#if !defined(l_time_t) /* { */
/*
** type to represent time_t in Lua
*/
#define l_timet lua_Integer
#define l_pushtime(L,t) lua_pushinteger(L,(lua_Integer)(t))
#define l_checktime(L,a) ((time_t)luaL_checkinteger(L,a))
#endif /* } */
#if !defined(lua_tmpnam) /* { */
/*
** By default, Lua uses tmpnam except when POSIX is available, where it
** uses mkstemp.
*/
#if defined(LUA_USE_POSIX) /* { */
#include <unistd.h>
#define LUA_TMPNAMBUFSIZE 32
#if !defined(LUA_TMPNAMTEMPLATE)
#define LUA_TMPNAMTEMPLATE "/tmp/lua_XXXXXX"
#endif
#define lua_tmpnam(b,e) { \
strcpy(b, LUA_TMPNAMTEMPLATE); \
e = mkstemp(b); \
if (e != -1) close(e); \
e = (e == -1); }
#else /* }{ */
/* ISO C definitions */
#define LUA_TMPNAMBUFSIZE L_tmpnam
#define lua_tmpnam(b,e) { e = (tmpnam(b) == NULL); }
#endif /* } */
#endif /* } */
#if !defined(l_gmtime) /* { */
/*
** By default, Lua uses gmtime/localtime, except when POSIX is available,
** where it uses gmtime_r/localtime_r
*/
#if defined(LUA_USE_POSIX) /* { */
#define l_gmtime(t,r) gmtime_r(t,r)
#define l_localtime(t,r) localtime_r(t,r)
#else /* }{ */
/* ISO C definitions */
#define l_gmtime(t,r) ((void)(r)->tm_sec, gmtime(t))
#define l_localtime(t,r) ((void)(r)->tm_sec, localtime(t))
#endif /* } */
#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, NULL);
}
@@ -99,21 +179,19 @@ static void setboolfield (lua_State *L, const char *key, int value) {
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);
res = (lua_getfield(L, -1, key) == LUA_TNIL) ? -1 : lua_toboolean(L, -1);
lua_pop(L, 1);
return res;
}
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);
return luaL_error(L, "field '%s' missing in date table", key);
res = d;
}
lua_pop(L, 1);
@@ -121,16 +199,40 @@ 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;
time_t t = luaL_opt(L, l_checktime, 2, time(NULL));
struct tm tmr, *stm;
if (*s == '!') { /* UTC? */
stm = gmtime(&t);
s++; /* skip `!' */
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) {
@@ -146,17 +248,17 @@ 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);
}
@@ -184,17 +286,19 @@ static int os_time (lua_State *L) {
ts.tm_isdst = getboolfield(L, "isdst");
t = mktime(&ts);
}
if (t == (time_t)(-1))
if (t != (time_t)(l_timet)t)
luaL_error(L, "time result cannot be represented in this Lua instalation");
else if (t == (time_t)(-1))
lua_pushnil(L);
else
lua_pushnumber(L, (lua_Number)t);
l_pushtime(L, 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))));
double res = difftime((l_checktime(L, 1)), (l_checktime(L, 2)));
lua_pushnumber(L, (lua_Number)res);
return 1;
}
@@ -214,9 +318,18 @@ 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 = (int)luaL_optinteger(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},
@@ -236,8 +349,8 @@ 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;
}