diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 85 |
1 files changed, 68 insertions, 17 deletions
@@ -74,7 +74,6 @@ char *common_prefix(const char **pathspec) int fill_directory(struct dir_struct *dir, const char **pathspec) { - const char *path; size_t len; /* @@ -82,15 +81,9 @@ int fill_directory(struct dir_struct *dir, const char **pathspec) * use that to optimize the directory walk */ len = common_prefix_len(pathspec); - path = ""; - - if (len) - path = xmemdupz(*pathspec, len); /* Read the directory and prune it */ - read_directory(dir, path, len, pathspec); - if (*path) - free((char *)path); + read_directory(dir, pathspec ? *pathspec : "", len, pathspec); return len; } @@ -560,7 +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; @@ -580,6 +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; @@ -960,16 +1011,17 @@ static int read_directory_recursive(struct dir_struct *dir, int check_only, const struct path_simplify *simplify) { - DIR *fdir = opendir(*base ? base : "."); + DIR *fdir; int contents = 0; struct dirent *de; struct strbuf path = STRBUF_INIT; - if (!fdir) - return 0; - strbuf_add(&path, base, baselen); + fdir = opendir(path.len ? path.buf : "."); + if (!fdir) + goto out; + while ((de = readdir(fdir)) != NULL) { switch (treat_path(dir, de, &path, baselen, simplify)) { case path_recurse: @@ -984,12 +1036,11 @@ static int read_directory_recursive(struct dir_struct *dir, } contents++; if (check_only) - goto exit_early; - else - dir_add_name(dir, path.buf, path.len); + break; + dir_add_name(dir, path.buf, path.len); } -exit_early: closedir(fdir); + out: strbuf_release(&path); return contents; |