Fix include/errno.h to not use kernel header, and instead use bits/errno.h.

This required we use _LIBC instead of __LIBC__ to be consistent with glibc.
This had some sideffects in sys/syscalls.h.  While fixing things, I made
everything use __set_errno() for (eventual) thread support.
 -Erik

1 files changed, 3 insertions, 3 deletions

diff --git a/libc/termios/ttyname.c b/libc/termios/ttyname.c
index ee78137c0..2aa009104 100644
--- a/libc/termios/ttyname.c
+++ b/libc/termios/ttyname.c
@@ -17,7 +17,7 @@ int fd;
 	if (fstat(fd, &st) < 0)
 		return 0;
 	if (!isatty(fd)) {
-		errno = ENOTTY;
+		__set_errno(ENOTTY);
 		return 0;
 	}
 
@@ -32,11 +32,11 @@ int fd;
 		if (stat(name, &dst) == 0
 			&& st.st_dev == dst.st_dev && st.st_ino == dst.st_ino) {
 			closedir(fp);
-			errno = noerr;
+			__set_errno(noerr);
 			return name;
 		}
 	}
 	closedir(fp);
-	errno = noerr;
+	__set_errno(noerr);
 	return 0;
 }