[PATCH 3/8] vcs-svn: Introduce repo_read_path to check the content at a path

[Jonathan Nieder <jrnieder@gmail.com>]

repo_modify_path returns the mode.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 vcs-svn/repo_tree.c |    9 +++++++++
 vcs-svn/repo_tree.h |    1 +
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/vcs-svn/repo_tree.c b/vcs-svn/repo_tree.c
index 7214ac8..eb55636 100644
--- a/vcs-svn/repo_tree.c
+++ b/vcs-svn/repo_tree.c
@@ -157,6 +157,15 @@ static void repo_write_dirent(uint32_t *path, uint32_t mode,
 		dent_remove(&dir_pointer(parent_dir_o)->entries, dent);
 }
 
+uint32_t repo_read_path(uint32_t *path)
+{
+	uint32_t content_offset = 0;
+	struct repo_dirent *dent = repo_read_dirent(active_commit, path);
+	if (dent != NULL)
+		content_offset = dent->content_offset;
+	return content_offset;
+}
+
 uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst)
 {
 	uint32_t mode = 0, content_offset = 0;
diff --git a/vcs-svn/repo_tree.h b/vcs-svn/repo_tree.h
index 68baeb5..7070839 100644
--- a/vcs-svn/repo_tree.h
+++ b/vcs-svn/repo_tree.h
@@ -15,6 +15,7 @@ uint32_t next_blob_mark(void);
 uint32_t repo_copy(uint32_t revision, uint32_t *src, uint32_t *dst);
 void repo_add(uint32_t *path, uint32_t mode, uint32_t blob_mark);
 uint32_t repo_modify_path(uint32_t *path, uint32_t mode, uint32_t blob_mark);
+uint32_t repo_read_path(uint32_t *path);
 void repo_delete(uint32_t *path);
 void repo_commit(uint32_t revision, uint32_t author, char *log, uint32_t uuid,
 		 uint32_t url, long unsigned timestamp);
-- 
1.7.2.3