Added TIOCSWINSZ to struct_info and added corner case stub

AUTHORS

@@ -331,3 +331,4 @@ a license to everyone to use it as detailed in LICENSE.)
 * Michael Droettboom <[email protected]>
 * Nicolas Bouquet <[email protected]>
 * Miguel Saldivar <[email protected]>
+* Tyler Limkemann <tslimkemann42 gmail.com>

src/library_syscall.js

@@ -358,6 +358,13 @@ var SyscallsLibrary = {
         if (!stream.tty) return -ERRNO_CODES.ENOTTY;
         return 0;
       }
+      case {{{ cDefine('TIOCSWINSZ') }}}: {
+        // TODO: technically, this ioctl call should change the window size.
+        // but, since emscripten doesn't have any concept of a terminal window
+        // yet, we'll just silently throw it away as we do TIOCGWINSZ
+        if (!stream.tty) return -ERRNO_CODES.ENOTTY;
+        return 0;
+      }
       default: abort('bad ioctl syscall ' + op);
     }
 #endif // NO_FILESYSTEM

src/struct_info.json

@@ -502,7 +502,8 @@
             "TCSETSF",
             "TIOCGPGRP",
             "TIOCSPGRP",
-            "TIOCGWINSZ"
+            "TIOCGWINSZ",
+            "TIOCSWINSZ"
         ],
         "structs": {}
     }, 

tests/other/ioctl/window_size/test.cpp

@@ -0,0 +1,17 @@
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <stdio.h>
+
+int main() {
+    struct winsize ws;
+    if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != 0) {
+        puts("TIOCGWINSZ failed");
+        return -1;
+    }
+    if (ioctl(STDOUT_FILENO, TIOCSWINSZ, &ws) != 0) {
+        puts("TIOCSWINSZ failed");
+        return -1;
+    }
+    puts("success");
+    return 0;
+}

tests/other/ioctl/window_size/test.out

@@ -0,0 +1 @@
+success

tests/test_other.py

@@ -8233,6 +8233,9 @@ def test_autotools_shared_check(self):
       except OSError:
         # Ignore missing python aliases.
         pass
+
+  def test_ioctl_window_size(self):
+      self.do_other_test(os.path.join('other', 'ioctl', 'window_size'))
 
   def test_fd_closed(self):
     self.do_other_test(os.path.join('other', 'fd_closed'))