Move O_LARGEFILE as default back to libc

Author: jgravelle-google

src/library_syscall.js

@@ -227,7 +227,7 @@ var SyscallsLibrary = {
   },
   __syscall5: function(which, varargs) { // open
     var pathname = SYSCALLS.getStr(), flags = SYSCALLS.get(), mode = SYSCALLS.get() // optional TODO
-    var stream = FS.open(pathname, flags | {{{ cDefine('O_LARGEFILE') }}}, mode);
+    var stream = FS.open(pathname, flags, mode);
     return stream.fd;
   },
   __syscall6: function(which, varargs) { // close

system/lib/libc/musl/src/internal/syscall.h

@@ -257,17 +257,16 @@ long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...),
 #define __sys_open_cp2(x,pn,fl) __syscall_cp3(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE)
 #define __sys_open_cp3(x,pn,fl,mo) __syscall_cp4(SYS_openat, AT_FDCWD, pn, (fl)|O_LARGEFILE, mo)
 #endif
+#else // __EMSCRIPTEN__
+#define __sys_open2(x,pn,fl) __SYSCALL_CONCAT(__syscall, SYS_open)(SYS_open, __scc(pn), __scc((fl)|O_LARGEFILE))
+#define __sys_open3(x,pn,fl,mo) __SYSCALL_CONCAT(__syscall, SYS_open)(SYS_open, __scc(pn), __scc((fl)|O_LARGEFILE), __scc(mo))
+#define __sys_open_cp2(x,pn,fl) __SYSCALL_CONCAT(__syscall, SYS_open)(SYS_open, __scc(pn), __scc((fl)|O_LARGEFILE))
+#define __sys_open_cp3(x,pn,fl,mo) __SYSCALL_CONCAT(__syscall, SYS_open)(SYS_open, __scc(pn), __scc((fl)|O_LARGEFILE), __scc(mo))
+#endif
 #define __sys_open(...) __SYSCALL_DISP(__sys_open,,__VA_ARGS__)
 #define sys_open(...) __syscall_ret(__sys_open(__VA_ARGS__))
 
 #define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__)
 #define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__))
-#else // __EMSCRIPTEN__
-#define __sys_open(...) __syscall(SYS_open, __VA_ARGS__)
-#define sys_open(...) syscall(SYS_open, __VA_ARGS__)
-
-#define __sys_open_cp(...) __syscall_cp(SYS_open, __VA_ARGS__)
-#define sys_open_cp(...) syscall_cp(SYS_open, __VA_ARGS__)
-#endif // __EMSCRIPTEN__
 
 #endif