1 files changed, 117 insertions, 0 deletions
diff --git a/debian/pilot-link/pilot-link-0.12.5-dfsg/libpisock/pi-buffer.c b/debian/pilot-link/pilot-link-0.12.5-dfsg/libpisock/pi-buffer.c
new file mode 100644
index 00000000..8064f316
--- /dev/null
+++ b/debian/pilot-link/pilot-link-0.12.5-dfsg/libpisock/pi-buffer.c
@@ -0,0 +1,117 @@
+/*
+ * $Id: pi-buffer.c,v 1.10 2006/10/12 14:21:22 desrod Exp $
+ *
+ * pi-buffer.c:  simple data block management for variable data storage
+ *
+ * Copyright (c) 2004-2005, Florent Pillet.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "pi-buffer.h"
+
+pi_buffer_t*
+pi_buffer_new (size_t capacity) 
+{
+	pi_buffer_t* buf;
+	buf = (struct pi_buffer_t *) malloc (sizeof (struct pi_buffer_t));
+	if (buf == NULL)
+		return NULL;
+
+	if (capacity <= 0)
+		capacity = 16;	/* allocating 0 byte is illegal - use a small value instead */
+
+	buf->data = (unsigned char *) malloc (capacity);
+	if (buf->data == NULL) {
+		free (buf);
+		return NULL;
+	}
+
+	buf->allocated = capacity;
+	buf->used = 0;
+	return buf;
+}
+
+pi_buffer_t*
+pi_buffer_expect (pi_buffer_t *buf, size_t expect)
+{
+	if ((buf->allocated - buf->used) >= expect)
+		return buf;
+
+	if (buf->data)
+		buf->data = (unsigned char *) realloc (buf->data, buf->used + expect);
+	else
+		buf->data = (unsigned char *) malloc (expect);
+
+	if (buf->data == NULL) {
+		buf->allocated = 0;
+		buf->used = 0;
+		return NULL;
+	}
+
+	buf->allocated = buf->used + expect;
+	return buf;
+}
+
+pi_buffer_t*
+pi_buffer_append (pi_buffer_t *buf, const void *data, size_t len)
+{
+	if (pi_buffer_expect (buf, len) == NULL)
+		return NULL;
+
+	memcpy (buf->data + buf->used, data, len);
+	buf->used += len;
+
+	return buf;
+}
+
+pi_buffer_t *
+pi_buffer_append_buffer (pi_buffer_t *dest, const pi_buffer_t *src)
+{
+	return pi_buffer_append (dest, src->data, src->used);
+}
+
+void
+pi_buffer_clear (pi_buffer_t *buf)
+{
+	buf->used = 0;
+	if (buf->allocated > (size_t)65535)
+	{
+		buf->data = (unsigned char *) realloc (buf->data, 65535);
+		buf->allocated = (buf->data == NULL) ? 0 : 65535;
+	}
+}
+
+void
+pi_buffer_free (pi_buffer_t* buf)
+{
+	if (buf) {
+		if (buf->data)
+			free (buf->data);
+		free (buf);
+	}
+}
+
+/* vi: set ts=8 sw=4 sts=4 noexpandtab: cin */
+/* ex: set tabstop=4 expandtab: */
+/* Local Variables: */
+/* indent-tabs-mode: t */
+/* c-basic-offset: 8 */
+/* End: */