From 29bdb49f16361548d53de75b827a2c926d4d292a Mon Sep 17 00:00:00 2001
From: Panu Matilainen <pmatilai@redhat.com>
Date: Fri, 30 May 2008 12:21:48 +0300
Subject: [PATCH] Add rpmfiFDigestHex() for converting the binary digest to hex
 - conversion (back to) hex presentation is done manually in several places,  
 might as well have a function to do it...

---
 lib/rpmfi.c | 11 +++++++++++
 lib/rpmfi.h | 11 +++++++++++
 2 files changed, 22 insertions(+)

diff --git a/lib/rpmfi.c b/lib/rpmfi.c
index c8dc23a..e5c3c24 100644
--- a/lib/rpmfi.c
+++ b/lib/rpmfi.c
@@ -196,6 +196,17 @@ const unsigned char * rpmfiFDigest(rpmfi fi, pgpHashAlgo *algo, size_t *len)
     return digest;
 }
 
+char * rpmfiFDigestHex(rpmfi fi, pgpHashAlgo *algo)
+{
+    size_t diglen = 0;
+    char *fdigest = NULL;
+    const unsigned char *digest = rpmfiFDigest(fi, algo, &diglen);
+    if (digest) {
+	fdigest = pgpHexStr(digest, diglen);
+    }
+    return fdigest;
+}
+
 const char * rpmfiFLink(rpmfi fi)
 {
     const char * flink = NULL;
diff --git a/lib/rpmfi.h b/lib/rpmfi.h
index c857440..072bc78 100644
--- a/lib/rpmfi.h
+++ b/lib/rpmfi.h
@@ -216,6 +216,17 @@ rpmfileState rpmfiFState(rpmfi fi);
 const unsigned char * rpmfiFDigest(rpmfi fi, pgpHashAlgo *algo, size_t *diglen);
 
 /** \ingroup rpmfi
+ * Return current file (hex) digest of file info set.
+ * The file info set stores file digests in binary format to conserve
+ * memory, this converts the binary data back to hex presentation used in
+ * headers. 
+ * @param fi		file info set
+ * @retval algo		digest hash algoritm used (pass NULL to ignore)
+ * @return		current file digest (malloc'ed), NULL on invalid
+ */
+char * rpmfiFDigestHex(rpmfi fi, pgpHashAlgo *algo);
+
+/** \ingroup rpmfi
  * Return current file (binary) md5 digest from file info set.
  * @deprecated		Use rpmfiFDigest() instead
  * @param fi		file info set
-- 
2.7.4