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authorAlex Riesen <raa.lkml@gmail.com>2008-09-27 00:56:46 +0200
committerShawn O. Pearce <spearce@spearce.org>2008-09-29 08:37:07 -0700
commit4a92d1bfb784b09641180d164e7d719080165dc4 (patch)
treeacefaa70210fdc745519f64de33745d3d0c742cc
parentb9b378a001d35a64a30a652a45f8084ee2be6cdf (diff)
downloadgit-4a92d1bfb784b09641180d164e7d719080165dc4.tar.gz
Add remove_path: a function to remove as much as possible of a path
The function has two potential users which both managed to get wrong their implementations (the one in builtin-rm.c one has a memleak, and builtin-merge-recursive.c scribles over its const argument). Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
-rw-r--r--dir.c20
-rw-r--r--dir.h3
2 files changed, 23 insertions, 0 deletions
diff --git a/dir.c b/dir.c
index 109e05b013..cfaa28ff23 100644
--- a/dir.c
+++ b/dir.c
@@ -837,3 +837,23 @@ void setup_standard_excludes(struct dir_struct *dir)
if (excludes_file && !access(excludes_file, R_OK))
add_excludes_from_file(dir, excludes_file);
}
+
+int remove_path(const char *name)
+{
+ char *slash;
+
+ if (unlink(name) && errno != ENOENT)
+ return -1;
+
+ slash = strrchr(name, '/');
+ if (slash) {
+ char *dirs = xstrdup(name);
+ slash = dirs + (slash - name);
+ do {
+ *slash = '\0';
+ } while (rmdir(dirs) && (slash = strrchr(dirs, '/')));
+ free(dirs);
+ }
+ return 0;
+}
+
diff --git a/dir.h b/dir.h
index 2df15defb6..278ee42295 100644
--- a/dir.h
+++ b/dir.h
@@ -81,4 +81,7 @@ extern int is_inside_dir(const char *dir);
extern void setup_standard_excludes(struct dir_struct *dir);
extern int remove_dir_recursively(struct strbuf *path, int only_empty);
+/* tries to remove the path with empty directories along it, ignores ENOENT */
+extern int remove_path(const char *path);
+
#endif