diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 60 |
1 files changed, 59 insertions, 1 deletions
@@ -553,7 +553,7 @@ int excluded_from_list(const char *pathname, return -1; /* undecided */ } -int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) +static int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) { int pathlen = strlen(pathname); int st; @@ -573,6 +573,64 @@ int excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) return 0; } +void path_exclude_check_init(struct path_exclude_check *check, + struct dir_struct *dir) +{ + check->dir = dir; + strbuf_init(&check->path, 256); +} + +void path_exclude_check_clear(struct path_exclude_check *check) +{ + strbuf_release(&check->path); +} + +/* + * Is this name excluded? This is for a caller like show_files() that + * do not honor directory hierarchy and iterate through paths that are + * possibly in an ignored directory. + * + * A path to a directory known to be excluded is left in check->path to + * optimize for repeated checks for files in the same excluded directory. + */ +int path_excluded(struct path_exclude_check *check, + const char *name, int namelen, int *dtype) +{ + int i; + struct strbuf *path = &check->path; + + /* + * we allow the caller to pass namelen as an optimization; it + * must match the length of the name, as we eventually call + * excluded() on the whole name string. + */ + if (namelen < 0) + namelen = strlen(name); + + if (path->len && + path->len <= namelen && + !memcmp(name, path->buf, path->len) && + (!name[path->len] || name[path->len] == '/')) + return 1; + + strbuf_setlen(path, 0); + for (i = 0; name[i]; i++) { + int ch = name[i]; + + if (ch == '/') { + int dt = DT_DIR; + if (excluded(check->dir, path->buf, &dt)) + return 1; + } + strbuf_addch(path, ch); + } + + /* An entry in the index; cannot be a directory with subentries */ + strbuf_setlen(path, 0); + + return excluded(check->dir, name, dtype); +} + static struct dir_entry *dir_entry_new(const char *pathname, int len) { struct dir_entry *ent; |