Nullability check for termios module
Bugs: b/245972273
Test: None
Change-Id: Ic91fa6ebc87bff513740c1b757a726505e4dae0e
diff --git a/libc/include/termios.h b/libc/include/termios.h
index e3f388c..92ac24b 100644
--- a/libc/include/termios.h
+++ b/libc/include/termios.h
@@ -49,19 +49,19 @@
* [cfgetispeed(3)](http://man7.org/linux/man-pages/man3/cfgetispeed.3.html)
* returns the terminal input baud rate.
*/
-speed_t cfgetispeed(const struct termios* __t) __INTRODUCED_IN(21);
+speed_t cfgetispeed(const struct termios* _Nonnull __t) __INTRODUCED_IN(21);
/**
* [cfgetospeed(3)](http://man7.org/linux/man-pages/man3/cfgetospeed.3.html)
* returns the terminal output baud rate.
*/
-speed_t cfgetospeed(const struct termios* __t) __INTRODUCED_IN(21);
+speed_t cfgetospeed(const struct termios* _Nonnull __t) __INTRODUCED_IN(21);
/**
* [cfmakeraw(3)](http://man7.org/linux/man-pages/man3/cfmakeraw.3.html)
* configures the terminal for "raw" mode.
*/
-void cfmakeraw(struct termios* __t) __INTRODUCED_IN(21);
+void cfmakeraw(struct termios* _Nonnull __t) __INTRODUCED_IN(21);
/**
* [cfsetspeed(3)](http://man7.org/linux/man-pages/man3/cfsetspeed.3.html)
@@ -69,7 +69,7 @@
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
-int cfsetspeed(struct termios* __t, speed_t __speed) __INTRODUCED_IN(21);
+int cfsetspeed(struct termios* _Nonnull __t, speed_t __speed) __INTRODUCED_IN(21);
/**
* [cfsetispeed(3)](http://man7.org/linux/man-pages/man3/cfsetispeed.3.html)
@@ -77,7 +77,7 @@
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
-int cfsetispeed(struct termios* __t, speed_t __speed) __INTRODUCED_IN(21);
+int cfsetispeed(struct termios* _Nonnull _t, speed_t __speed) __INTRODUCED_IN(21);
/**
* [cfsetospeed(3)](http://man7.org/linux/man-pages/man3/cfsetospeed.3.html)
@@ -85,7 +85,7 @@
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
-int cfsetospeed(struct termios* __t, speed_t __speed) __INTRODUCED_IN(21);
+int cfsetospeed(struct termios* _Nonnull __t, speed_t __speed) __INTRODUCED_IN(21);
/**
* [tcdrain(3)](http://man7.org/linux/man-pages/man3/tcdrain.3.html)
@@ -120,7 +120,7 @@
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
-int tcgetattr(int __fd, struct termios* __t) __INTRODUCED_IN(21);
+int tcgetattr(int __fd, struct termios* _Nonnull __t) __INTRODUCED_IN(21);
/**
* [tcgetsid(3)](http://man7.org/linux/man-pages/man3/tcgetsid.3.html)
@@ -145,7 +145,7 @@
*
* Returns 0 on success and returns -1 and sets `errno` on failure.
*/
-int tcsetattr(int __fd, int __optional_actions, const struct termios* __t) __INTRODUCED_IN(21);
+int tcsetattr(int __fd, int __optional_actions, const struct termios* _Nonnull __t) __INTRODUCED_IN(21);
#endif