void git_path_diriter_free(git_path_diriter *diriter)
{
if (diriter == NULL)
return;
if (diriter->dir) {
closedir(diriter->dir);
diriter->dir = NULL;
}
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&diriter->ic);
#endif
git_buf_free(&diriter->path);
}
int git_path_direach(
git_buf *path,
uint32_t flags,
int (*fn)(void *, git_buf *),
void *arg)
{
int error = 0;
ssize_t wd_len;
DIR *dir;
struct dirent *de;
#ifdef GIT_USE_ICONV
git_path_iconv_t ic = GIT_PATH_ICONV_INIT;
#endif
GIT_UNUSED(flags);
if (git_path_to_dir(path) < 0)
return -1;
wd_len = git_buf_len(path);
if ((dir = opendir(path->ptr)) == NULL) {
giterr_set(GITERR_OS, "Failed to open directory '%s'", path->ptr);
if (errno == ENOENT)
return GIT_ENOTFOUND;
return -1;
}
#ifdef GIT_USE_ICONV
if ((flags & GIT_PATH_DIR_PRECOMPOSE_UNICODE) != 0)
(void)git_path_iconv_init_precompose(&ic);
#endif
while ((de = readdir(dir)) != NULL) {
char *de_path = de->d_name;
size_t de_len = strlen(de_path);
if (git_path_is_dot_or_dotdot(de_path))
continue;
#ifdef GIT_USE_ICONV
if ((error = git_path_iconv(&ic, &de_path, &de_len)) < 0)
break;
#endif
if ((error = git_buf_put(path, de_path, de_len)) < 0)
break;
giterr_clear();
error = fn(arg, path);
git_buf_truncate(path, wd_len); /* restore path */
/* Only set our own error if the callback did not set one already */
if (error != 0) {
if (!giterr_last())
giterr_set_after_callback(error);
break;
}
}
closedir(dir);
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&ic);
#endif
return error;
}
/* Inspired from https://github.com/git/git/blob/f06d47e7e0d9db709ee204ed13a8a7486149f494/refs.c#L36-100 */
int git_reference__normalize_name(
git_buf *buf,
const char *name,
unsigned int flags)
{
const char *current;
int segment_len, segments_count = 0, error = GIT_EINVALIDSPEC;
unsigned int process_flags;
bool normalize = (buf != NULL);
#ifdef GIT_USE_ICONV
git_path_iconv_t ic = GIT_PATH_ICONV_INIT;
#endif
assert(name);
process_flags = flags;
current = (char *)name;
if (*current == '/')
goto cleanup;
if (normalize)
git_buf_clear(buf);
#ifdef GIT_USE_ICONV
if ((flags & GIT_REF_FORMAT__PRECOMPOSE_UNICODE) != 0) {
size_t namelen = strlen(current);
if ((error = git_path_iconv_init_precompose(&ic)) < 0 ||
(error = git_path_iconv(&ic, ¤t, &namelen)) < 0)
goto cleanup;
error = GIT_EINVALIDSPEC;
}
#endif
while (true) {
segment_len = ensure_segment_validity(current);
if (segment_len < 0) {
if ((process_flags & GIT_REF_FORMAT_REFSPEC_PATTERN) &&
current[0] == '*' &&
(current[1] == '\0' || current[1] == '/')) {
/* Accept one wildcard as a full refname component. */
process_flags &= ~GIT_REF_FORMAT_REFSPEC_PATTERN;
segment_len = 1;
} else
goto cleanup;
}
if (segment_len > 0) {
if (normalize) {
size_t cur_len = git_buf_len(buf);
git_buf_joinpath(buf, git_buf_cstr(buf), current);
git_buf_truncate(buf,
cur_len + segment_len + (segments_count ? 1 : 0));
if (git_buf_oom(buf)) {
error = -1;
goto cleanup;
}
}
segments_count++;
}
/* No empty segment is allowed when not normalizing */
if (segment_len == 0 && !normalize)
goto cleanup;
if (current[segment_len] == '\0')
break;
current += segment_len + 1;
}
/* A refname can not be empty */
if (segment_len == 0 && segments_count == 0)
goto cleanup;
/* A refname can not end with "." */
if (current[segment_len - 1] == '.')
goto cleanup;
/* A refname can not end with "/" */
if (current[segment_len - 1] == '/')
goto cleanup;
if ((segments_count == 1 ) && !(flags & GIT_REF_FORMAT_ALLOW_ONELEVEL))
goto cleanup;
if ((segments_count == 1 ) &&
!(flags & GIT_REF_FORMAT_REFSPEC_SHORTHAND) &&
!(is_all_caps_and_underscore(name, (size_t)segment_len) ||
((flags & GIT_REF_FORMAT_REFSPEC_PATTERN) && !strcmp("*", name))))
goto cleanup;
if ((segments_count > 1)
&& (is_all_caps_and_underscore(name, strchr(name, '/') - name)))
goto cleanup;
error = 0;
cleanup:
if (error == GIT_EINVALIDSPEC)
giterr_set(
GITERR_REFERENCE,
"The given reference name '%s' is not valid", name);
if (error && normalize)
git_buf_free(buf);
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&ic);
#endif
return error;
}
int git_path_dirload(
const char *path,
size_t prefix_len,
size_t alloc_extra,
unsigned int flags,
git_vector *contents)
{
int error;
DIR *dir;
size_t path_len;
path_dirent_data de_data;
struct dirent *de, *de_buf = (struct dirent *)&de_data;
#ifdef GIT_USE_ICONV
git_path_iconv_t ic = GIT_PATH_ICONV_INIT;
#endif
GIT_UNUSED(flags);
assert(path && contents);
path_len = strlen(path);
if (!path_len || path_len < prefix_len) {
giterr_set(GITERR_INVALID, "Invalid directory path '%s'", path);
return -1;
}
if ((dir = opendir(path)) == NULL) {
giterr_set(GITERR_OS, "Failed to open directory '%s'", path);
return -1;
}
#ifdef GIT_USE_ICONV
if ((flags & GIT_PATH_DIR_PRECOMPOSE_UNICODE) != 0)
(void)git_path_iconv_init_precompose(&ic);
#endif
path += prefix_len;
path_len -= prefix_len;
while ((error = p_readdir_r(dir, de_buf, &de)) == 0 && de != NULL) {
char *entry_path, *de_path = de->d_name;
size_t de_len = strlen(de_path);
if (git_path_is_dot_or_dotdot(de_path))
continue;
#ifdef GIT_USE_ICONV
if ((error = git_path_iconv(&ic, &de_path, &de_len)) < 0)
break;
#endif
if ((error = entry_path_alloc(&entry_path,
path, path_len, de_path, de_len, alloc_extra)) < 0)
break;
if ((error = git_vector_insert(contents, entry_path)) < 0) {
git__free(entry_path);
break;
}
}
closedir(dir);
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&ic);
#endif
if (error != 0)
giterr_set(GITERR_OS, "Failed to process directory entry in '%s'", path);
return error;
}
int git_path_dirload(
const char *path,
size_t prefix_len,
size_t alloc_extra,
unsigned int flags,
git_vector *contents)
{
int error, need_slash;
DIR *dir;
size_t path_len;
path_dirent_data de_data;
struct dirent *de, *de_buf = (struct dirent *)&de_data;
(void)flags;
#ifdef GIT_USE_ICONV
git_path_iconv_t ic = GIT_PATH_ICONV_INIT;
#endif
assert(path && contents);
path_len = strlen(path);
if (!path_len || path_len < prefix_len) {
giterr_set(GITERR_INVALID, "Invalid directory path '%s'", path);
return -1;
}
if ((dir = opendir(path)) == NULL) {
giterr_set(GITERR_OS, "Failed to open directory '%s'", path);
return -1;
}
#ifdef GIT_USE_ICONV
if ((flags & GIT_PATH_DIR_PRECOMPOSE_UNICODE) != 0)
(void)git_path_iconv_init_precompose(&ic);
#endif
path += prefix_len;
path_len -= prefix_len;
need_slash = (path_len > 0 && path[path_len-1] != '/') ? 1 : 0;
while ((error = p_readdir_r(dir, de_buf, &de)) == 0 && de != NULL) {
char *entry_path, *de_path = de->d_name;
size_t alloc_size, de_len = strlen(de_path);
if (git_path_is_dot_or_dotdot(de_path))
continue;
#ifdef GIT_USE_ICONV
if ((error = git_path_iconv(&ic, &de_path, &de_len)) < 0)
break;
#endif
alloc_size = path_len + need_slash + de_len + 1 + alloc_extra;
if ((entry_path = git__calloc(alloc_size, 1)) == NULL) {
error = -1;
break;
}
if (path_len)
memcpy(entry_path, path, path_len);
if (need_slash)
entry_path[path_len] = '/';
memcpy(&entry_path[path_len + need_slash], de_path, de_len);
if ((error = git_vector_insert(contents, entry_path)) < 0)
break;
}
closedir(dir);
#ifdef GIT_USE_ICONV
git_path_iconv_clear(&ic);
#endif
if (error != 0)
giterr_set(GITERR_OS, "Failed to process directory entry in '%s'", path);
return error;
}
