update-ref.c: extract a new function, parse_refname()

diff --git a/commit.c b/commit.c
index fa401ae7b06f3c62345ccaec08b89757966687c1..0f28902bc351fef9d621cfe290f887921ec779c4 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -10,6 +10,7 @@
 #include "mergesort.h"
 #include "commit-slab.h"
 #include "prio-queue.h"
+#include "sha1-lookup.h"
 
 static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
 
@@ -114,23 +115,16 @@ static unsigned long parse_commit_date(const char *buf, const char *tail)
 static struct commit_graft **commit_graft;
 static int commit_graft_alloc, commit_graft_nr;
 
+static const unsigned char *commit_graft_sha1_access(size_t index, void *table)
+{
+       struct commit_graft **commit_graft_table = table;
+       return commit_graft_table[index]->sha1;
+}
+
 static int commit_graft_pos(const unsigned char *sha1)
 {
-       int lo, hi;
-       lo = 0;
-       hi = commit_graft_nr;
-       while (lo < hi) {
-               int mi = (lo + hi) / 2;
-               struct commit_graft *graft = commit_graft[mi];
-               int cmp = hashcmp(sha1, graft->sha1);
-               if (!cmp)
-                       return mi;
-               if (cmp < 0)
-                       hi = mi;
-               else
-                       lo = mi + 1;
-       }
-       return -lo - 1;
+       return sha1_pos(sha1, commit_graft, commit_graft_nr,
+                       commit_graft_sha1_access);
 }
 
 int register_commit_graft(struct commit_graft *graft, int ignore_dups)
@@ -147,12 +141,8 @@ int register_commit_graft(struct commit_graft *graft, int ignore_dups)
                return 1;
        }
        pos = -pos - 1;
-       if (commit_graft_alloc <= ++commit_graft_nr) {
-               commit_graft_alloc = alloc_nr(commit_graft_alloc);
-               commit_graft = xrealloc(commit_graft,
-                                       sizeof(*commit_graft) *
-                                       commit_graft_alloc);
-       }
+       ALLOC_GROW(commit_graft, commit_graft_nr + 1, commit_graft_alloc);
+       commit_graft_nr++;
        if (pos < commit_graft_nr)
                memmove(commit_graft + pos + 1,
                        commit_graft + pos,