diff options
Diffstat (limited to 'dir.c')
| -rw-r--r-- | dir.c | 103 |
1 files changed, 53 insertions, 50 deletions
@@ -151,6 +151,7 @@ void add_exclude(const char *string, const char *base, static int add_excludes_from_file_1(const char *fname, const char *base, int baselen, + char **buf_p, struct exclude_list *which) { struct stat st; @@ -171,6 +172,8 @@ static int add_excludes_from_file_1(const char *fname, goto err; close(fd); + if (buf_p) + *buf_p = buf; buf[size++] = '\n'; entry = buf; for (i = 0; i < size; i++) { @@ -192,31 +195,63 @@ static int add_excludes_from_file_1(const char *fname, void add_excludes_from_file(struct dir_struct *dir, const char *fname) { - if (add_excludes_from_file_1(fname, "", 0, + if (add_excludes_from_file_1(fname, "", 0, NULL, &dir->exclude_list[EXC_FILE]) < 0) die("cannot use %s as an exclude file", fname); } -int push_exclude_per_directory(struct dir_struct *dir, const char *base, int baselen) +static void prep_exclude(struct dir_struct *dir, const char *base, int baselen) { - char exclude_file[PATH_MAX]; - struct exclude_list *el = &dir->exclude_list[EXC_DIRS]; - int current_nr = el->nr; - - if (dir->exclude_per_dir) { - memcpy(exclude_file, base, baselen); - strcpy(exclude_file + baselen, dir->exclude_per_dir); - add_excludes_from_file_1(exclude_file, base, baselen, el); + struct exclude_list *el; + struct exclude_stack *stk = NULL; + int current; + + if ((!dir->exclude_per_dir) || + (baselen + strlen(dir->exclude_per_dir) >= PATH_MAX)) + return; /* too long a path -- ignore */ + + /* Pop the ones that are not the prefix of the path being checked. */ + el = &dir->exclude_list[EXC_DIRS]; + while ((stk = dir->exclude_stack) != NULL) { + if (stk->baselen <= baselen && + !strncmp(dir->basebuf, base, stk->baselen)) + break; + dir->exclude_stack = stk->prev; + while (stk->exclude_ix < el->nr) + free(el->excludes[--el->nr]); + free(stk->filebuf); + free(stk); } - return current_nr; -} -void pop_exclude_per_directory(struct dir_struct *dir, int stk) -{ - struct exclude_list *el = &dir->exclude_list[EXC_DIRS]; + /* Read from the parent directories and push them down. */ + current = stk ? stk->baselen : -1; + while (current < baselen) { + struct exclude_stack *stk = xcalloc(1, sizeof(*stk)); + const char *cp; - while (stk < el->nr) - free(el->excludes[--el->nr]); + if (current < 0) { + cp = base; + current = 0; + } + else { + cp = strchr(base + current + 1, '/'); + if (!cp) + die("oops in prep_exclude"); + cp++; + } + stk->prev = dir->exclude_stack; + stk->baselen = cp - base; + stk->exclude_ix = el->nr; + memcpy(dir->basebuf + current, base + current, + stk->baselen - current); + strcpy(dir->basebuf + stk->baselen, dir->exclude_per_dir); + add_excludes_from_file_1(dir->basebuf, + dir->basebuf, stk->baselen, + &stk->filebuf, el); + dir->exclude_stack = stk; + current = stk->baselen; + } + dir->basebuf[baselen] = '\0'; } /* Scan the list and let the last match determines the fate. @@ -283,6 +318,7 @@ int excluded(struct dir_struct *dir, const char *pathname) const char *basename = strrchr(pathname, '/'); basename = (basename) ? basename+1 : pathname; + prep_exclude(dir, pathname, basename-pathname); for (st = EXC_CMDL; st <= EXC_FILE; st++) { switch (excluded_1(pathname, pathlen, basename, &dir->exclude_list[st])) { case 0: @@ -500,13 +536,10 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co int contents = 0; if (fdir) { - int exclude_stk; struct dirent *de; char fullname[PATH_MAX + 1]; memcpy(fullname, base, baselen); - exclude_stk = push_exclude_per_directory(dir, base, baselen); - while ((de = readdir(fdir)) != NULL) { int len, dtype; int exclude; @@ -580,8 +613,6 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co } exit_early: closedir(fdir); - - pop_exclude_per_directory(dir, exclude_stk); } return contents; @@ -650,37 +681,9 @@ static void free_simplify(struct path_simplify *simplify) int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen, const char **pathspec) { struct path_simplify *simplify = create_simplify(pathspec); - char *pp = NULL; - - /* - * Make sure to do the per-directory exclude for all the - * directories leading up to our base. - */ - if (baselen) { - if (dir->exclude_per_dir) { - char *p; - pp = xmalloc(baselen+1); - memcpy(pp, base, baselen+1); - p = pp; - while (1) { - char save = *p; - *p = 0; - push_exclude_per_directory(dir, pp, p-pp); - *p++ = save; - if (!save) - break; - p = strchr(p, '/'); - if (p) - p++; - else - p = pp + baselen; - } - } - } read_directory_recursive(dir, path, base, baselen, 0, simplify); free_simplify(simplify); - free(pp); qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name); qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name); return dir->nr; |