Streamline error reporting in suinput_enable_event().

tuomasjjrasanen · tuomasjjrasanen · commit f06208837de3 · 2011-09-20T19:12:40.000+03:00
All functions now return -1 if something went wrong (and errno is set
accordingly) or a positive integer if everything went well.
diff --git a/src/suinput.c b/src/suinput.c
@@ -166,7 +166,8 @@ int suinput_enable_event(int uinput_fd, uint16_t ev_type, uint16_t ev_code)
         io = UI_SET_FFBIT;
         break;
     default:
-        return -2;
+        errno = EINVAL;
+        return -1;
     }
 
     return ioctl(uinput_fd, io, ev_code);

Original file line number	Diff line number	Diff line change
`@@ -166,7 +166,8 @@ int suinput_enable_event(int uinput_fd, uint16_t ev_type, uint16_t ev_code)`
`166`	`166`	`io = UI_SET_FFBIT;`
`167`	`167`	`break;`
`168`	`168`	`default:`
`169`		`- return -2;`
	`169`	`+ errno = EINVAL;`
	`170`	`+ return -1;`
`170`	`171`	`}`
`171`	`172`
`172`	`173`	`return ioctl(uinput_fd, io, ev_code);`