made a bit more robust

1989-06-30 14:46:27 +00:00
parent 44d4a33db4
commit 9b496d5477
4 changed files with 8 additions and 3 deletions
--- a/modules/src/system/close.c
+++ b/modules/src/system/close.c
@@ -9,7 +9,9 @@
 sys_close(fp)
 	register File *fp;
 {
-	fp->o_flags = 0;
-	close(fp->o_fd);
-	fp->o_fd = -1;
+	if (fp) {
+		fp->o_flags = 0;
+		close(fp->o_fd);
+		fp->o_fd = -1;
+	}
 }