Function yaml_read_file

src/cli/config_yaml_edit.c:641–767

#endif

static int yaml_read_file(const char *path, char **out_data, size_t *out_len,
                          yaml_file_snapshot_t *out_snapshot) {
    *out_data = NULL;
    *out_len = 0U;
    memset(out_snapshot, 0, sizeof(*out_snapshot));
#ifdef _WIN32
    wchar_t *wide_path = cbm_utf8_to_wide(path);
    if (!wide_path) {
        return YAML_ERROR;
    }
    HANDLE handle = CreateFileW(
        wide_path, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
        OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OPEN_REPARSE_POINT, NULL);
    free(wide_path);
    if (handle == INVALID_HANDLE_VALUE) {
        DWORD error = GetLastError();
        if (error != ERROR_FILE_NOT_FOUND && error != ERROR_PATH_NOT_FOUND) {
            return YAML_ERROR;
        }
        char *empty = (char *)calloc(YAML_UNIT, YAML_UNIT);
        if (!empty) {
            return YAML_ERROR;
        }
        *out_data = empty;
        return 0;
    }
    yaml_file_snapshot_t before;
    if (yaml_snapshot_from_handle(handle, &before) != 0) {
        CloseHandle(handle);
        return YAML_ERROR;
    }
    size_t len = (size_t)before.size;
    char *data = (char *)malloc(len + YAML_UNIT);
    if (!data) {
        CloseHandle(handle);
        return YAML_ERROR;
    }
    DWORD read_count = 0U;
    BOOL read_ok = ReadFile(handle, data, (DWORD)len, &read_count, NULL);
    yaml_file_snapshot_t after;
    int after_result = yaml_snapshot_from_handle(handle, &after);
    BOOL close_ok = CloseHandle(handle);
    if (!read_ok || read_count != (DWORD)len || after_result != 0 || !close_ok ||
        !yaml_snapshot_state_equal(&before, &after)) {
        free(data);
        return YAML_ERROR;
    }
#else
#ifndef O_NOFOLLOW
    (void)path;
    return YAML_ERROR;
#else
    int flags = O_RDONLY | O_NOFOLLOW | O_NONBLOCK;
#ifdef O_CLOEXEC
    flags |= O_CLOEXEC;
#endif
    int descriptor = open(path, flags);
    if (descriptor < 0) {