1 files changed, 55 insertions, 0 deletions
diff --git a/crypto/kerberosIV/lib/krb/netread.c b/crypto/kerberosIV/lib/krb/netread.c
new file mode 100644
index 0000000..cbc1bd1
--- /dev/null
+++ b/crypto/kerberosIV/lib/krb/netread.c
@@ -0,0 +1,55 @@
+/* 
+  Copyright (C) 1989 by the Massachusetts Institute of Technology
+
+   Export of this software from the United States of America is assumed
+   to require a specific license from the United States Government.
+   It is the responsibility of any person or organization contemplating
+   export to obtain such a license before exporting.
+
+WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+distribute this software and its documentation for any purpose and
+without fee is hereby granted, provided that the above copyright
+notice appear in all copies and that both that copyright notice and
+this permission notice appear in supporting documentation, and that
+the name of M.I.T. not be used in advertising or publicity pertaining
+to distribution of the software without specific, written prior
+permission.  M.I.T. makes no representations about the suitability of
+this software for any purpose.  It is provided "as is" without express
+or implied warranty.
+
+  */
+
+#include "krb_locl.h"
+
+RCSID("$Id: netread.c,v 1.6 1997/03/23 03:53:15 joda Exp $");
+
+/*
+ * krb_net_read() reads from the file descriptor "fd" to the buffer
+ * "buf", until either 1) "len" bytes have been read or 2) cannot
+ * read anymore from "fd".  It returns the number of bytes read
+ * or a read() error.  (The calling interface is identical to
+ * read(2).)
+ *
+ * XXX must not use non-blocking I/O
+ */
+
+int
+krb_net_read (int fd, void *v, size_t len)
+{
+    int cc, len2 = 0;
+    char *buf = v;
+
+    do {
+	cc = read(fd, buf, len);
+	if (cc < 0)
+	    return(cc);		 /* errno is already set */
+	else if (cc == 0) {
+	    return(len2);
+	} else {
+	    buf += cc;
+	    len2 += cc;
+	    len -= cc;
+	}
+    } while (len > 0);
+    return(len2);
+}