ATRONIX: Check return value from fcntl

Oldes · Oldes · commit c905a894532e · 2018-11-27T22:00:37.000+01:00
Complained by coverity (cherry picked from commit bfb00d9)
diff --git a/src/os/dev-net.c b/src/os/dev-net.c
@@ -100,8 +100,7 @@ static REBOOL Nonblocking_Mode(SOCKET sock)
 	flags = fcntl(sock, F_GETFL, 0);
 	flags |= O_NONBLOCK;
 	//else flags &= ~O_NONBLOCK;
-	fcntl(sock, F_SETFL, flags);
-	return TRUE;
+	return fcntl(sock, F_SETFL, flags) >= 0;
 #endif
 }
 

Original file line number	Diff line number	Diff line change
`@@ -100,8 +100,7 @@ static REBOOL Nonblocking_Mode(SOCKET sock)`
`100`	`100`	`flags = fcntl(sock, F_GETFL, 0);`
`101`	`101`	`flags \|= O_NONBLOCK;`
`102`	`102`	`//else flags &= ~O_NONBLOCK;`
`103`		`- fcntl(sock, F_SETFL, flags);`
`104`		`- return TRUE;`
	`103`	`+ return fcntl(sock, F_SETFL, flags) >= 0;`
`105`	`104`	`#endif`
`106`	`105`	`}`
`107`	`106`