folding in Harry's changes

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@3924 dc483132-0cff-0310-8789-dd5450dbe970

1 files changed, 55 insertions, 0 deletions

diff --git a/src/lib/krb5/asn.1/asn1_get.h b/src/lib/krb5/asn.1/asn1_get.h
new file mode 100644
index 0000000..1e4896b
--- /dev/null
+++ b/src/lib/krb5/asn.1/asn1_get.h
@@ -0,0 +1,55 @@
+#ifndef __ASN1_GET_H__
+#define __ASN1_GET_H__
+
+/* ASN.1 substructure decoding procedures */
+
+#include <krb5/krb5.h>
+#include "krbasn1.h"
+#include "asn1buf.h"
+
+asn1_error_code asn1_get_tag
+	PROTOTYPE((asn1buf *buf,
+		   asn1_class *class,
+		   asn1_construction *construction,
+		   asn1_tagnum *tagnum,
+		   int *retlen));
+/* requires  *buf is allocated
+   effects   Decodes the tag in *buf.  If class != NULL, returns
+              the class in *class.  Similarly, the construction,
+	      tag number, and length are returned in *construction,
+	      *tagnum, and *retlen, respectively.
+	     If *buf is empty to begin with,
+	      *tagnum is set to ASN1_TAGNUM_CEILING.
+	     Returns ASN1_OVERRUN if *buf is exhausted during the parse. */
+
+asn1_error_code asn1_get_sequence
+	PROTOTYPE((asn1buf *buf, int *retlen));
+/* requires  *buf is allocated
+   effects   Decodes a tag from *buf and returns ASN1_BAD_ID if it
+              doesn't have a sequence ID.  If retlen != NULL, the
+	      associated length is returned in *retlen. */
+
+/****************************************************************/
+/* Private Procedures */
+
+asn1_error_code asn1_get_id
+	PROTOTYPE((asn1buf *buf,
+		   asn1_class *class,
+		   asn1_construction *construction,
+		   asn1_tagnum *tagnum));
+/* requires  *buf is allocated
+   effects   Decodes the group of identifier octets at *buf's
+              current position.  If class != NULL, returns the class
+              in *class.  Similarly, the construction and tag number
+              are returned in *construction and *tagnum, respectively.
+	     Returns ASN1_OVERRUN if *buf is exhausted. */
+
+asn1_error_code asn1_get_length
+	PROTOTYPE((asn1buf *buf, int *retlen));
+/* requires  *buf is allocated
+   effects   Decodes the group of length octets at *buf's
+              current position.  If retlen != NULL, the
+	      length is returned in *retlen.
+	     Returns ASN1_OVERRUN if *buf is exhausted. */
+
+#endif