made a bit more robust

1989-06-30 14:46:27 +00:00
parent 7d131a2cd5
commit 46b57440a0
4 changed files with 8 additions and 3 deletions
--- a/modules/src/system/read.c
+++ b/modules/src/system/read.c
@@ -12,5 +12,6 @@ sys_read(fp, bufptr, bufsiz, pnbytes)
 	char *bufptr;
 	int bufsiz, *pnbytes;
 {
+	if (! fp) return 0;
 	return (*pnbytes = read(fp->o_fd, bufptr, bufsiz)) >= 0;
 }