1 files changed, 119 insertions, 0 deletions
diff --git a/source4/heimdal/lib/krb5/data.c b/source4/heimdal/lib/krb5/data.c
new file mode 100644
index 0000000000..9cf1410e70
--- /dev/null
+++ b/source4/heimdal/lib/krb5/data.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#include "krb5_locl.h"
+
+RCSID("$Id: data.c,v 1.19 2004/05/25 21:22:23 lha Exp $");
+
+void KRB5_LIB_FUNCTION
+krb5_data_zero(krb5_data *p)
+{
+    p->length = 0;
+    p->data   = NULL;
+}
+
+void KRB5_LIB_FUNCTION
+krb5_data_free(krb5_data *p)
+{
+    if(p->data != NULL)
+	free(p->data);
+    krb5_data_zero(p);
+}
+
+void KRB5_LIB_FUNCTION 
+krb5_free_data_contents(krb5_context context, krb5_data *data)
+{
+    krb5_data_free(data);
+}
+
+void KRB5_LIB_FUNCTION
+krb5_free_data(krb5_context context,
+	       krb5_data *p)
+{
+    krb5_data_free(p);
+    free(p);
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_data_alloc(krb5_data *p, int len)
+{
+    p->data = malloc(len);
+    if(len && p->data == NULL)
+	return ENOMEM;
+    p->length = len;
+    return 0;
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_data_realloc(krb5_data *p, int len)
+{
+    void *tmp;
+    tmp = realloc(p->data, len);
+    if(len && !tmp)
+	return ENOMEM;
+    p->data = tmp;
+    p->length = len;
+    return 0;
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_data_copy(krb5_data *p, const void *data, size_t len)
+{
+    if (len) {
+	if(krb5_data_alloc(p, len))
+	    return ENOMEM;
+	memmove(p->data, data, len);
+    } else
+	p->data = NULL;
+    p->length = len;
+    return 0;
+}
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_copy_data(krb5_context context, 
+	       const krb5_data *indata, 
+	       krb5_data **outdata)
+{
+    krb5_error_code ret;
+    ALLOC(*outdata, 1);
+    if(*outdata == NULL) {
+	krb5_set_error_string(context, "malloc: out of memory");
+	return ENOMEM;
+    }
+    ret = copy_octet_string(indata, *outdata);
+    if(ret) {
+	krb5_clear_error_string (context);
+	free(*outdata);
+    }
+    return ret;
+}