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-rw-r--r--third_party/git/dir-iterator.c235
1 files changed, 0 insertions, 235 deletions
diff --git a/third_party/git/dir-iterator.c b/third_party/git/dir-iterator.c
deleted file mode 100644
index b17e9f970a74..000000000000
--- a/third_party/git/dir-iterator.c
+++ /dev/null
@@ -1,235 +0,0 @@
-#include "cache.h"
-#include "dir.h"
-#include "iterator.h"
-#include "dir-iterator.h"
-
-struct dir_iterator_level {
-	DIR *dir;
-
-	/*
-	 * The length of the directory part of path at this level
-	 * (including a trailing '/'):
-	 */
-	size_t prefix_len;
-};
-
-/*
- * The full data structure used to manage the internal directory
- * iteration state. It includes members that are not part of the
- * public interface.
- */
-struct dir_iterator_int {
-	struct dir_iterator base;
-
-	/*
-	 * The number of levels currently on the stack. After the first
-	 * call to dir_iterator_begin(), if it succeeds to open the
-	 * first level's dir, this will always be at least 1. Then,
-	 * when it comes to zero the iteration is ended and this
-	 * struct is freed.
-	 */
-	size_t levels_nr;
-
-	/* The number of levels that have been allocated on the stack */
-	size_t levels_alloc;
-
-	/*
-	 * A stack of levels. levels[0] is the uppermost directory
-	 * that will be included in this iteration.
-	 */
-	struct dir_iterator_level *levels;
-
-	/* Combination of flags for this dir-iterator */
-	unsigned int flags;
-};
-
-/*
- * Push a level in the iter stack and initialize it with information from
- * the directory pointed by iter->base->path. It is assumed that this
- * strbuf points to a valid directory path. Return 0 on success and -1
- * otherwise, setting errno accordingly and leaving the stack unchanged.
- */
-static int push_level(struct dir_iterator_int *iter)
-{
-	struct dir_iterator_level *level;
-
-	ALLOC_GROW(iter->levels, iter->levels_nr + 1, iter->levels_alloc);
-	level = &iter->levels[iter->levels_nr++];
-
-	if (!is_dir_sep(iter->base.path.buf[iter->base.path.len - 1]))
-		strbuf_addch(&iter->base.path, '/');
-	level->prefix_len = iter->base.path.len;
-
-	level->dir = opendir(iter->base.path.buf);
-	if (!level->dir) {
-		int saved_errno = errno;
-		if (errno != ENOENT) {
-			warning_errno("error opening directory '%s'",
-				      iter->base.path.buf);
-		}
-		iter->levels_nr--;
-		errno = saved_errno;
-		return -1;
-	}
-
-	return 0;
-}
-
-/*
- * Pop the top level on the iter stack, releasing any resources associated
- * with it. Return the new value of iter->levels_nr.
- */
-static int pop_level(struct dir_iterator_int *iter)
-{
-	struct dir_iterator_level *level =
-		&iter->levels[iter->levels_nr - 1];
-
-	if (level->dir && closedir(level->dir))
-		warning_errno("error closing directory '%s'",
-			      iter->base.path.buf);
-	level->dir = NULL;
-
-	return --iter->levels_nr;
-}
-
-/*
- * Populate iter->base with the necessary information on the next iteration
- * entry, represented by the given dirent de. Return 0 on success and -1
- * otherwise, setting errno accordingly.
- */
-static int prepare_next_entry_data(struct dir_iterator_int *iter,
-				   struct dirent *de)
-{
-	int err, saved_errno;
-
-	strbuf_addstr(&iter->base.path, de->d_name);
-	/*
-	 * We have to reset these because the path strbuf might have
-	 * been realloc()ed at the previous strbuf_addstr().
-	 */
-	iter->base.relative_path = iter->base.path.buf +
-				   iter->levels[0].prefix_len;
-	iter->base.basename = iter->base.path.buf +
-			      iter->levels[iter->levels_nr - 1].prefix_len;
-
-	if (iter->flags & DIR_ITERATOR_FOLLOW_SYMLINKS)
-		err = stat(iter->base.path.buf, &iter->base.st);
-	else
-		err = lstat(iter->base.path.buf, &iter->base.st);
-
-	saved_errno = errno;
-	if (err && errno != ENOENT)
-		warning_errno("failed to stat '%s'", iter->base.path.buf);
-
-	errno = saved_errno;
-	return err;
-}
-
-int dir_iterator_advance(struct dir_iterator *dir_iterator)
-{
-	struct dir_iterator_int *iter =
-		(struct dir_iterator_int *)dir_iterator;
-
-	if (S_ISDIR(iter->base.st.st_mode) && push_level(iter)) {
-		if (errno != ENOENT && iter->flags & DIR_ITERATOR_PEDANTIC)
-			goto error_out;
-		if (iter->levels_nr == 0)
-			goto error_out;
-	}
-
-	/* Loop until we find an entry that we can give back to the caller. */
-	while (1) {
-		struct dirent *de;
-		struct dir_iterator_level *level =
-			&iter->levels[iter->levels_nr - 1];
-
-		strbuf_setlen(&iter->base.path, level->prefix_len);
-		errno = 0;
-		de = readdir(level->dir);
-
-		if (!de) {
-			if (errno) {
-				warning_errno("error reading directory '%s'",
-					      iter->base.path.buf);
-				if (iter->flags & DIR_ITERATOR_PEDANTIC)
-					goto error_out;
-			} else if (pop_level(iter) == 0) {
-				return dir_iterator_abort(dir_iterator);
-			}
-			continue;
-		}
-
-		if (is_dot_or_dotdot(de->d_name))
-			continue;
-
-		if (prepare_next_entry_data(iter, de)) {
-			if (errno != ENOENT && iter->flags & DIR_ITERATOR_PEDANTIC)
-				goto error_out;
-			continue;
-		}
-
-		return ITER_OK;
-	}
-
-error_out:
-	dir_iterator_abort(dir_iterator);
-	return ITER_ERROR;
-}
-
-int dir_iterator_abort(struct dir_iterator *dir_iterator)
-{
-	struct dir_iterator_int *iter = (struct dir_iterator_int *)dir_iterator;
-
-	for (; iter->levels_nr; iter->levels_nr--) {
-		struct dir_iterator_level *level =
-			&iter->levels[iter->levels_nr - 1];
-
-		if (level->dir && closedir(level->dir)) {
-			int saved_errno = errno;
-			strbuf_setlen(&iter->base.path, level->prefix_len);
-			errno = saved_errno;
-			warning_errno("error closing directory '%s'",
-				      iter->base.path.buf);
-		}
-	}
-
-	free(iter->levels);
-	strbuf_release(&iter->base.path);
-	free(iter);
-	return ITER_DONE;
-}
-
-struct dir_iterator *dir_iterator_begin(const char *path, unsigned int flags)
-{
-	struct dir_iterator_int *iter = xcalloc(1, sizeof(*iter));
-	struct dir_iterator *dir_iterator = &iter->base;
-	int saved_errno;
-
-	strbuf_init(&iter->base.path, PATH_MAX);
-	strbuf_addstr(&iter->base.path, path);
-
-	ALLOC_GROW(iter->levels, 10, iter->levels_alloc);
-	iter->levels_nr = 0;
-	iter->flags = flags;
-
-	/*
-	 * Note: stat already checks for NULL or empty strings and
-	 * inexistent paths.
-	 */
-	if (stat(iter->base.path.buf, &iter->base.st) < 0) {
-		saved_errno = errno;
-		goto error_out;
-	}
-
-	if (!S_ISDIR(iter->base.st.st_mode)) {
-		saved_errno = ENOTDIR;
-		goto error_out;
-	}
-
-	return dir_iterator;
-
-error_out:
-	dir_iterator_abort(dir_iterator);
-	errno = saved_errno;
-	return NULL;
-}