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Posted to commits@subversion.apache.org by sv...@apache.org on 2015/05/12 06:00:24 UTC

svn commit: r1678856 - in /subversion/branches/1.9.x: ./ STATUS subversion/libsvn_subr/checksum.c subversion/tests/libsvn_subr/checksum-test.c

Author: svn-role
Date: Tue May 12 04:00:24 2015
New Revision: 1678856

URL: http://svn.apache.org/r1678856
Log:
Merge r1677440 from trunk:

 * r1677440
   Support checksum (de-)serialization for all 1.9 checksum types.
   Justification:
     Public API must have a complete implementation.
   Votes:
     +1: stefan2, danielsh
     +1: rhuijben (1.9.0 only. Should be private api for >=1.9.1)

Modified:
    subversion/branches/1.9.x/   (props changed)
    subversion/branches/1.9.x/STATUS
    subversion/branches/1.9.x/subversion/libsvn_subr/checksum.c
    subversion/branches/1.9.x/subversion/tests/libsvn_subr/checksum-test.c

Propchange: subversion/branches/1.9.x/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue May 12 04:00:24 2015
@@ -91,4 +91,4 @@
 /subversion/branches/verify-at-commit:1462039-1462408
 /subversion/branches/verify-keep-going:1439280-1546110
 /subversion/branches/wc-collate-path:1402685-1480384
-/subversion/trunk:1660545-1660547,1660549-1662901,1663003,1663183-1663184,1663338,1663347,1663355,1663374,1663450,1663530,1663671,1663697,1663706,1663738,1663749,1663791,1663991,1664035,1664078,1664080,1664084-1664085,1664187,1664191,1664193,1664200,1664344,1664476,1664480-1664481,1664483,1664489-1664490,1664507,1664520-1664521,1664523,1664526-1664527,1664531-1664532,1664588,1664593-1664594,1664596,1664653,1664664,1664672,1664674,1664684,1664927,1664938-1664940,1664978,1664984,1664997,1665164,1665195,1665213,1665259,1665318,1665437-1665438,1665609,1665611-1665612,1665845,1665850,1665852,1665886,1665894,1665896,1666096,1666258,1666270,1666272,1666379,1666449,1666690,1666832,1666851,1666965,1667101,1667106-1667107,1667120,1667228,1667233-1667235,1667249-1667250,1667258,1667290,1667301,1667471,1667691-1667693,1667699-1667700,1667715,1667941,1667976,1668320,1668598-1668600,1668602-1668603,1668607-1668608,1668618,1669743,1669746,1669749,1669945,1670139,1670149,1670152,1670329,1670337,167
 0347,1670353,1671164,1671388,1672295,1672311,1672372,1672404,1672511-1672512,1672578,1672728,1673044,1673062-1673063,1673065,1673153,1673170,1673172,1673197,1673202,1673204,1673228,1673282,1673445,1673691-1673692,1673746,1673785,1673803,1674015,1674032,1674170,1674406,1674415,1674487,1674522,1674580,1674627,1674891,1675771,1676526,1676535,1676538,1676555,1676564,1676570,1676665,1676667,1676769,1677003,1677191,1677267,1678147,1678149,1678494
+/subversion/trunk:1660545-1660547,1660549-1662901,1663003,1663183-1663184,1663338,1663347,1663355,1663374,1663450,1663530,1663671,1663697,1663706,1663738,1663749,1663791,1663991,1664035,1664078,1664080,1664084-1664085,1664187,1664191,1664193,1664200,1664344,1664476,1664480-1664481,1664483,1664489-1664490,1664507,1664520-1664521,1664523,1664526-1664527,1664531-1664532,1664588,1664593-1664594,1664596,1664653,1664664,1664672,1664674,1664684,1664927,1664938-1664940,1664978,1664984,1664997,1665164,1665195,1665213,1665259,1665318,1665437-1665438,1665609,1665611-1665612,1665845,1665850,1665852,1665886,1665894,1665896,1666096,1666258,1666270,1666272,1666379,1666449,1666690,1666832,1666851,1666965,1667101,1667106-1667107,1667120,1667228,1667233-1667235,1667249-1667250,1667258,1667290,1667301,1667471,1667691-1667693,1667699-1667700,1667715,1667941,1667976,1668320,1668598-1668600,1668602-1668603,1668607-1668608,1668618,1669743,1669746,1669749,1669945,1670139,1670149,1670152,1670329,1670337,167
 0347,1670353,1671164,1671388,1672295,1672311,1672372,1672404,1672511-1672512,1672578,1672728,1673044,1673062-1673063,1673065,1673153,1673170,1673172,1673197,1673202,1673204,1673228,1673282,1673445,1673691-1673692,1673746,1673785,1673803,1674015,1674032,1674170,1674406,1674415,1674487,1674522,1674580,1674627,1674891,1675771,1676526,1676535,1676538,1676555,1676564,1676570,1676665,1676667,1676769,1677003,1677191,1677267,1677440,1678147,1678149,1678494

Modified: subversion/branches/1.9.x/STATUS
URL: http://svn.apache.org/viewvc/subversion/branches/1.9.x/STATUS?rev=1678856&r1=1678855&r2=1678856&view=diff
==============================================================================
--- subversion/branches/1.9.x/STATUS (original)
+++ subversion/branches/1.9.x/STATUS Tue May 12 04:00:24 2015
@@ -100,11 +100,3 @@ Veto-blocked changes:
 
 Approved changes:
 =================
-
- * r1677440
-   Support checksum (de-)serialization for all 1.9 checksum types.
-   Justification:
-     Public API must have a complete implementation.
-   Votes:
-     +1: stefan2, danielsh
-     +1: rhuijben (1.9.0 only. Should be private api for >=1.9.1)

Modified: subversion/branches/1.9.x/subversion/libsvn_subr/checksum.c
URL: http://svn.apache.org/viewvc/subversion/branches/1.9.x/subversion/libsvn_subr/checksum.c?rev=1678856&r1=1678855&r2=1678856&view=diff
==============================================================================
--- subversion/branches/1.9.x/subversion/libsvn_subr/checksum.c (original)
+++ subversion/branches/1.9.x/subversion/libsvn_subr/checksum.c Tue May 12 04:00:24 2015
@@ -80,6 +80,14 @@ static const apr_size_t digest_sizes[] =
   sizeof(apr_uint32_t)
 };
 
+/* Checksum type prefixes used in serialized checksums. */
+static const char *ckind_str[] = {
+  "$md5 $",
+  "$sha1$",
+  "$fnv1$",
+  "$fnvm$",
+};
+
 /* Returns the digest size of it's argument. */
 #define DIGESTSIZE(k) \
   (((k) < svn_checksum_md5 || (k) > svn_checksum_fnv1a_32x4) ? 0 : digest_sizes[k])
@@ -317,13 +325,10 @@ svn_checksum_serialize(const svn_checksu
                        apr_pool_t *result_pool,
                        apr_pool_t *scratch_pool)
 {
-  const char *ckind_str;
-
   SVN_ERR_ASSERT_NO_RETURN(checksum->kind >= svn_checksum_md5
                            || checksum->kind <= svn_checksum_fnv1a_32x4);
-  ckind_str = (checksum->kind == svn_checksum_md5 ? "$md5 $" : "$sha1$");
   return apr_pstrcat(result_pool,
-                     ckind_str,
+                     ckind_str[checksum->kind],
                      svn_checksum_to_cstring(checksum, scratch_pool),
                      SVN_VA_NULL);
 }
@@ -335,18 +340,26 @@ svn_checksum_deserialize(const svn_check
                          apr_pool_t *result_pool,
                          apr_pool_t *scratch_pool)
 {
-  svn_checksum_kind_t ckind;
+  svn_checksum_kind_t kind;
   svn_checksum_t *parsed_checksum;
 
-  /* "$md5 $..." or "$sha1$..." */
-  SVN_ERR_ASSERT(strlen(data) > 6);
+  /* All prefixes have the same length. */
+  apr_size_t prefix_len = strlen(ckind_str[0]);
 
-  ckind = (data[1] == 'm' ? svn_checksum_md5 : svn_checksum_sha1);
-  SVN_ERR(svn_checksum_parse_hex(&parsed_checksum, ckind,
-                                 data + 6, result_pool));
-  *checksum = parsed_checksum;
+  /* "$md5 $...", "$sha1$..." or ... */
+  SVN_ERR_ASSERT(strlen(data) > prefix_len);
 
-  return SVN_NO_ERROR;
+  for (kind = svn_checksum_md5; kind <= svn_checksum_fnv1a_32x4; ++kind)
+    if (strncmp(ckind_str[kind], data, prefix_len) == 0)
+      {
+        SVN_ERR(svn_checksum_parse_hex(&parsed_checksum, kind,
+                                       data + prefix_len, result_pool));
+        *checksum = parsed_checksum;
+        return SVN_NO_ERROR;
+      }
+
+  return svn_error_createf(SVN_ERR_BAD_CHECKSUM_KIND, NULL,
+                           "Unknown checksum kind in '%s'", data);
 }
 
 

Modified: subversion/branches/1.9.x/subversion/tests/libsvn_subr/checksum-test.c
URL: http://svn.apache.org/viewvc/subversion/branches/1.9.x/subversion/tests/libsvn_subr/checksum-test.c?rev=1678856&r1=1678855&r2=1678856&view=diff
==============================================================================
--- subversion/branches/1.9.x/subversion/tests/libsvn_subr/checksum-test.c (original)
+++ subversion/branches/1.9.x/subversion/tests/libsvn_subr/checksum-test.c Tue May 12 04:00:24 2015
@@ -287,6 +287,26 @@ zlib_expansion_test(const svn_test_opts_
   return SVN_NO_ERROR;
 }
 
+static svn_error_t *
+test_serialization(apr_pool_t *pool)
+{
+  svn_checksum_kind_t kind;
+  for (kind = svn_checksum_md5; kind <= svn_checksum_fnv1a_32x4; ++kind)
+    {
+      const svn_checksum_t *parsed_checksum;
+      svn_checksum_t *checksum = svn_checksum_empty_checksum(kind, pool);
+      const char *serialized = svn_checksum_serialize(checksum, pool, pool);
+
+      SVN_ERR(svn_checksum_deserialize(&parsed_checksum, serialized, pool,
+                                       pool));
+
+      SVN_TEST_ASSERT(parsed_checksum->kind == kind);
+      SVN_TEST_ASSERT(svn_checksum_match(checksum, parsed_checksum));
+    }
+
+  return SVN_NO_ERROR;
+}
+
 /* An array of all test functions */
 
 static int max_threads = 1;
@@ -306,6 +326,8 @@ static struct svn_test_descriptor_t test
                        "zlib expansion test (zlib regression)"),
     SVN_TEST_PASS2(zero_cross_match,
                    "zero checksum cross-type matching"),
+    SVN_TEST_PASS2(test_serialization,
+                   "checksum (de-)serialization"),
     SVN_TEST_NULL
   };