Patch from Luc Van Oostenryck to fix a buffer overflow

in getlogin_r

1 files changed, 1 insertions, 1 deletions

diff --git a/libc/unistd/getlogin.c b/libc/unistd/getlogin.c
index c762c366e..6db73ae1c 100644
--- a/libc/unistd/getlogin.c
+++ b/libc/unistd/getlogin.c
@@ -42,7 +42,7 @@ int getlogin_r(char *name, size_t len)
 		return -1;
 
 	strncpy(name, foo, len);
-	name[len] = '\0';
+	name[len-1] = '\0';
 	return 0;
 }