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Diffstat (limited to 'lib/includes/hicn/validation.h')
-rw-r--r-- | lib/includes/hicn/validation.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/includes/hicn/validation.h b/lib/includes/hicn/validation.h new file mode 100644 index 000000000..05be6d306 --- /dev/null +++ b/lib/includes/hicn/validation.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2022 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * \file validation.h + * \brief Functions for input validation + */ +#include <ctype.h> +#include <hicn/util/sstrncpy.h> + +static inline bool +is_number (const char *string, size_t maxlen) +{ + size_t len = strnlen_s (string, maxlen); + for (size_t i = 0; i < len; i++) + { + if (!isdigit (string[i])) + return false; + } + return len != 0; +} + +/** + * A symbolic name must be at least 1 character and must begin with an alpha. + * The remainder must be an alphanum. + */ +static inline bool +is_symbolic_name (const char *name, size_t maxlen) +{ + size_t len = strnlen_s (name, maxlen); + if (len <= 0) + return false; + if (!isalpha (name[0])) + return false; + + for (size_t i = 1; i < len; i++) + { + if (!isalnum (name[i]) && name[i] != '_' && name[i] != '-') + return false; + } + + return true; +} |