get_tree_entry(): make it available from tree-walk

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/sha1_name.c b/sha1_name.c
index 7ad20b5..345935b 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -450,58 +450,6 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1)
        return get_short_sha1(name, len, sha1, 0);
 }
 
-static int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
-
-static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char *result, unsigned *mode)
-{
-       int namelen = strlen(name);
-       while (t->size) {
-               const char *entry;
-               const unsigned char *sha1;
-               int entrylen, cmp;
-
-               sha1 = tree_entry_extract(t, &entry, mode);
-               update_tree_entry(t);
-               entrylen = strlen(entry);
-               if (entrylen > namelen)
-                       continue;
-               cmp = memcmp(name, entry, entrylen);
-               if (cmp > 0)
-                       continue;
-               if (cmp < 0)
-                       break;
-               if (entrylen == namelen) {
-                       memcpy(result, sha1, 20);
-                       return 0;
-               }
-               if (name[entrylen] != '/')
-                       continue;
-               if (!S_ISDIR(*mode))
-                       break;
-               if (++entrylen == namelen) {
-                       memcpy(result, sha1, 20);
-                       return 0;
-               }
-               return get_tree_entry(sha1, name + entrylen, result, mode);
-       }
-       return -1;
-}
-
-static int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned char *sha1, unsigned *mode)
-{
-       int retval;
-       void *tree;
-       struct tree_desc t;
-
-       tree = read_object_with_reference(tree_sha1, tree_type, &t.size, NULL);
-       if (!tree)
-               return -1;
-       t.buf = tree;
-       retval = find_tree_entry(&t, name, sha1, mode);
-       free(tree);
-       return retval;
-}
-
 /*
  * This is like "get_sha1_basic()", except it allows "sha1 expressions",
  * notably "xyz^" for "parent of xyz"

diff --git a/tree-walk.c b/tree-walk.c
index bf8bfdf..9f7abb7 100644 (file)
--- a/tree-walk.c
+++ b/tree-walk.c
@@ -115,3 +115,53 @@ void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callb
        free(entry);
 }
 
+static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char *result, unsigned *mode)
+{
+       int namelen = strlen(name);
+       while (t->size) {
+               const char *entry;
+               const unsigned char *sha1;
+               int entrylen, cmp;
+
+               sha1 = tree_entry_extract(t, &entry, mode);
+               update_tree_entry(t);
+               entrylen = strlen(entry);
+               if (entrylen > namelen)
+                       continue;
+               cmp = memcmp(name, entry, entrylen);
+               if (cmp > 0)
+                       continue;
+               if (cmp < 0)
+                       break;
+               if (entrylen == namelen) {
+                       memcpy(result, sha1, 20);
+                       return 0;
+               }
+               if (name[entrylen] != '/')
+                       continue;
+               if (!S_ISDIR(*mode))
+                       break;
+               if (++entrylen == namelen) {
+                       memcpy(result, sha1, 20);
+                       return 0;
+               }
+               return get_tree_entry(sha1, name + entrylen, result, mode);
+       }
+       return -1;
+}
+
+int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned char *sha1, unsigned *mode)
+{
+       int retval;
+       void *tree;
+       struct tree_desc t;
+
+       tree = read_object_with_reference(tree_sha1, tree_type, &t.size, NULL);
+       if (!tree)
+               return -1;
+       t.buf = tree;
+       retval = find_tree_entry(&t, name, sha1, mode);
+       free(tree);
+       return retval;
+}
+

diff --git a/tree-walk.h b/tree-walk.h
index 76893e3..47438fe 100644 (file)
--- a/tree-walk.h
+++ b/tree-walk.h
@@ -22,4 +22,6 @@ typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry
 
 void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
 
+int get_tree_entry(const unsigned char *, const char *, unsigned char *, unsigned *);
+
 #endif