From: Paul Park <pjpark@mit.edu>
Date: Fri, 4 Aug 1995 20:31:20 +0000 (+0000)
Subject: Add encode/decode macros for integers for use between kdb modules
X-Git-Tag: krb5-1.0-beta6~1412
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=6c3fe5f470744a55bb6d25b0a55bc1900d0ed19b;p=krb5.git

Add encode/decode macros for integers for use between kdb modules

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@6412 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/include/krb5/kdb.h b/src/include/krb5/kdb.h
index d4fd56ec1..6aacf4f78 100644
--- a/src/include/krb5/kdb.h
+++ b/src/include/krb5/kdb.h
@@ -135,6 +135,31 @@ typedef struct tl_data_2 {
 extern char *krb5_mkey_pwd_prompt1;
 extern char *krb5_mkey_pwd_prompt2;
 
+/*
+ * These macros specify the encoding of data within the database.
+ *
+ * Data encoding is little-endian.
+ */
+#define	krb5_kdb_decode_int16(cp, i16)	\
+	*((krb5_int16 *) &(i16)) = (((krb5_int16) ((unsigned char) (cp)[0]))| \
+			      ((krb5_int16) ((unsigned char) (cp)[1]) << 8))
+#define	krb5_kdb_decode_int32(cp, i32)	\
+	*((krb5_int32 *) &(i32)) = (((krb5_int32) ((unsigned char) (cp)[0]))| \
+			      ((krb5_int32) ((unsigned char) (cp)[1]) << 8) | \
+			      ((krb5_int32) ((unsigned char) (cp)[2]) << 16)| \
+			      ((krb5_int32) ((unsigned char) (cp)[3]) << 24))
+#define	krb5_kdb_encode_int16(i16, cp)	\
+	{							\
+	    (cp)[0] = (unsigned char) ((i16) & 0xff);		\
+	    (cp)[1] = (unsigned char) (((i16) >> 8) & 0xff);	\
+	}
+#define	krb5_kdb_encode_int32(i32, cp)	\
+	{							\
+	    (cp)[0] = (unsigned char) ((i32) & 0xff);		\
+	    (cp)[1] = (unsigned char) (((i32) >> 8) & 0xff);	\
+	    (cp)[2] = (unsigned char) (((i32) >> 16) & 0xff);	\
+	    (cp)[3] = (unsigned char) (((i32) >> 24) & 0xff);	\
+	}
 
 /* libkdb.spec */
 krb5_error_code krb5_db_set_name