diff options
author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-01-31 11:21:30 +0100 |
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committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2023-01-31 13:51:49 +0100 |
commit | cdccc69c62579b0c13b35fad0728079652b8f3c9 (patch) | |
tree | 9fa54c710f73c5e08a9c8466e7a712eb63ee07ac /lib/fstree/hardlink.c | |
parent | 2182129c8f359c4fa1390eaba7a65b595ccd4182 (diff) |
Move library source into src sub-directory
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/fstree/hardlink.c')
-rw-r--r-- | lib/fstree/hardlink.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/lib/fstree/hardlink.c b/lib/fstree/hardlink.c deleted file mode 100644 index 2165b5f..0000000 --- a/lib/fstree/hardlink.c +++ /dev/null @@ -1,76 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * hardlink.c - * - * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at> - */ -#include "config.h" - -#include "util/util.h" -#include "fstree.h" - -#include <string.h> -#include <stdlib.h> -#include <errno.h> - -tree_node_t *fstree_add_hard_link(fstree_t *fs, const char *path, - const char *target) -{ - struct stat sb; - tree_node_t *n; - - memset(&sb, 0, sizeof(sb)); - sb.st_mode = S_IFLNK | 0777; - - n = fstree_add_generic(fs, path, &sb, target); - if (n != NULL) { - if (canonicalize_name(n->data.target)) { - free(n); - errno = EINVAL; - return NULL; - } - - n->mode = FSTREE_MODE_HARD_LINK; - } - - return n; -} - -int fstree_resolve_hard_link(fstree_t *fs, tree_node_t *node) -{ - tree_node_t *start = node; - - while (node->mode == FSTREE_MODE_HARD_LINK || - node->mode == FSTREE_MODE_HARD_LINK_RESOLVED) { - if (node->mode == FSTREE_MODE_HARD_LINK_RESOLVED) { - node = node->data.target_node; - } else { - node = fstree_get_node_by_path(fs, fs->root, - node->data.target, - false, false); - if (node == NULL) - return -1; - } - - if (node == start) { - errno = EMLINK; - return -1; - } - } - - if (S_ISDIR(node->mode)) { - errno = EPERM; - return -1; - } - - if (node->link_count == 0xFFFFFFFF) { - errno = EMLINK; - return -1; - } - - start->mode = FSTREE_MODE_HARD_LINK_RESOLVED; - start->data.target_node = node; - - node->link_count++; - return 0; -} |