From d69789da1ccfa4db7c241de6b471d6b729f1561e Mon Sep 17 00:00:00 2001 From: Roberto Ierusalimschy Date: Tue, 24 Jan 2023 15:04:17 -0300 Subject: Fix absence of 'system' in iOS Despite claiming to be ISO, the C library in some Apple platforms does not implement 'system'. --- loslib.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/loslib.c b/loslib.c index 854dcf69..7eb05caf 100644 --- a/loslib.c +++ b/loslib.c @@ -138,12 +138,28 @@ /* }================================================================== */ +/* +** Despite claiming to be ISO, the C library in some Apple platforms +** does not implement 'system'. +*/ +#if !defined(l_system) && defined(__APPLE__) /* { */ +#include "TargetConditionals.h" +#if TARGET_OS_IOS || TARGET_OS_WATCH || TARGET_OS_TV +#define l_system(cmd) ((cmd) == NULL ? 0 : -1) +#endif +#endif /* } */ + +#if !defined(l_system) +#define l_system(cmd) system(cmd) /* default definition */ +#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 { -- cgit v1.2.1