/*
-
-buffer.h
-
-Author: Tatu Ylonen <ylo@cs.hut.fi>
-
-Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
- All rights reserved
-
-Created: Sat Mar 18 04:12:25 1995 ylo
-
-Code for manipulating FIFO buffers.
-
-*/
-
-/* RCSID("$Id$"); */
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ * All rights reserved
+ * Code for manipulating FIFO buffers.
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose. Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+
+/* RCSID("$OpenBSD: buffer.h,v 1.9 2001/06/26 17:27:23 markus Exp $"); */
#ifndef BUFFER_H
#define BUFFER_H
-typedef struct
-{
- char *buf; /* Buffer for data. */
- unsigned int alloc; /* Number of bytes allocated for data. */
- unsigned int offset; /* Offset of first byte containing data. */
- unsigned int end; /* Offset of last byte containing data. */
-} Buffer;
-
-/* Initializes the buffer structure. */
-void buffer_init(Buffer *buffer);
-
-/* Frees any memory used for the buffer. */
-void buffer_free(Buffer *buffer);
-
-/* Clears any data from the buffer, making it empty. This does not actually
- zero the memory. */
-void buffer_clear(Buffer *buffer);
-
-/* Appends data to the buffer, expanding it if necessary. */
-void buffer_append(Buffer *buffer, const char *data, unsigned int len);
-
-/* Appends space to the buffer, expanding the buffer if necessary.
- This does not actually copy the data into the buffer, but instead
- returns a pointer to the allocated region. */
-void buffer_append_space(Buffer *buffer, char **datap, unsigned int len);
+typedef struct {
+ char *buf; /* Buffer for data. */
+ u_int alloc; /* Number of bytes allocated for data. */
+ u_int offset; /* Offset of first byte containing data. */
+ u_int end; /* Offset of last byte containing data. */
+} Buffer;
-/* Returns the number of bytes of data in the buffer. */
-unsigned int buffer_len(Buffer *buffer);
+void buffer_init(Buffer *);
+void buffer_clear(Buffer *);
+void buffer_free(Buffer *);
-/* Gets data from the beginning of the buffer. */
-void buffer_get(Buffer *buffer, char *buf, unsigned int len);
+u_int buffer_len(Buffer *);
+char *buffer_ptr(Buffer *);
-/* Consumes the given number of bytes from the beginning of the buffer. */
-void buffer_consume(Buffer *buffer, unsigned int bytes);
+void buffer_append(Buffer *, const char *, u_int);
+void buffer_append_space(Buffer *, char **, u_int);
-/* Consumes the given number of bytes from the end of the buffer. */
-void buffer_consume_end(Buffer *buffer, unsigned int bytes);
+void buffer_get(Buffer *, char *, u_int);
-/* Returns a pointer to the first used byte in the buffer. */
-char *buffer_ptr(Buffer *buffer);
+void buffer_consume(Buffer *, u_int);
+void buffer_consume_end(Buffer *, u_int);
-/* Dumps the contents of the buffer to stderr in hex. This intended for
- debugging purposes only. */
-void buffer_dump(Buffer *buffer);
+void buffer_dump(Buffer *);
-#endif /* BUFFER_H */
+#endif /* BUFFER_H */