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Update to Lua 5.4.6

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This commit is contained in:
Jeremy Baxter 2023-07-30 09:57:45 +12:00
parent 57a4014981
commit 8e20d1e382
40 changed files with 997 additions and 733 deletions
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36
lua-5.4/loslib.c
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@ -43,23 +43,14 @@
*/
#if !defined(LUA_STRFTIMEOPTIONS) /* { */
/* options for ANSI C 89 (only 1-char options) */
#define L_STRFTIMEC89 "aAbBcdHIjmMpSUwWxXyYZ%"
/* options for ISO C 99 and POSIX */
#define L_STRFTIMEC99 "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%" \
"||" "EcECExEXEyEY" "OdOeOHOIOmOMOSOuOUOVOwOWOy" /* two-char options */
/* options for Windows */
#define L_STRFTIMEWIN "aAbBcdHIjmMpSUwWxXyYzZ%" \
"||" "#c#x#d#H#I#j#m#M#S#U#w#W#y#Y" /* two-char options */
#if defined(LUA_USE_WINDOWS)
#define LUA_STRFTIMEOPTIONS L_STRFTIMEWIN
#elif defined(LUA_USE_C89)
#define LUA_STRFTIMEOPTIONS L_STRFTIMEC89
#define LUA_STRFTIMEOPTIONS "aAbBcdHIjmMpSUwWxXyYzZ%" \
"||" "#c#x#d#H#I#j#m#M#S#U#w#W#y#Y" /* two-char options */
#elif defined(LUA_USE_C89) /* ANSI C 89 (only 1-char options) */
#define LUA_STRFTIMEOPTIONS "aAbBcdHIjmMpSUwWxXyYZ%"
#else /* C99 specification */
#define LUA_STRFTIMEOPTIONS L_STRFTIMEC99
#define LUA_STRFTIMEOPTIONS "aAbBcCdDeFgGhHIjmMnprRStTuUVwWxXyYzZ%" \
"||" "EcECExEXEyEY" "OdOeOHOIOmOMOSOuOUOVOwOWOy" /* two-char options */
#endif
#endif /* } */
@ -151,12 +142,21 @@
/* }================================================================== */
#if !defined(l_system)
#if defined(LUA_USE_IOS)
/* Despite claiming to be ISO C, iOS does not implement 'system'. */
#define l_system(cmd) ((cmd) == NULL ? 0 : -1)
#else
#define l_system(cmd) system(cmd) /* default definition */
#endif
#endif
static int os_execute (lua_State *L) {
const char *cmd = luaL_optstring(L, 1, NULL);
int stat;
errno = 0;
stat = system(cmd);
stat = l_system(cmd);
if (cmd != NULL)
return luaL_execresult(L, stat);
else {
@ -273,9 +273,7 @@ static int getfield (lua_State *L, const char *key, int d, int delta) {
res = d;
}
else {
/* unsigned avoids overflow when lua_Integer has 32 bits */
if (!(res >= 0 ? (lua_Unsigned)res <= (lua_Unsigned)INT_MAX + delta
: (lua_Integer)INT_MIN + delta <= res))
if (!(res >= 0 ? res - delta <= INT_MAX : INT_MIN + delta <= res))
return luaL_error(L, "field '%s' is out-of-bound", key);
res -= delta;
}