| /** |
| * @file common.c |
| * @author Michal Vasko <mvasko@cesnet.cz> |
| * @brief common internal definitions for libyang |
| * |
| * Copyright (c) 2018 CESNET, z.s.p.o. |
| * |
| * This source code is licensed under BSD 3-Clause License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://opensource.org/licenses/BSD-3-Clause |
| */ |
| #define _XOPEN_SOURCE |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <time.h> |
| |
| #include "common.h" |
| #include "tree_schema.h" |
| |
| void * |
| ly_realloc(void *ptr, size_t size) |
| { |
| void *new_mem; |
| |
| new_mem = realloc(ptr, size); |
| if (!new_mem) { |
| free(ptr); |
| } |
| |
| return new_mem; |
| } |
| |
| int |
| lysp_check_date(struct ly_ctx *ctx, const char *date, int date_len, const char *stmt) |
| { |
| int i; |
| struct tm tm, tm_; |
| char *r; |
| |
| if (date_len != LY_REV_SIZE - 1) { |
| goto error; |
| } |
| |
| /* check format */ |
| for (i = 0; i < date_len; i++) { |
| if (i == 4 || i == 7) { |
| if (date[i] != '-') { |
| goto error; |
| } |
| } else if (!isdigit(date[i])) { |
| goto error; |
| } |
| } |
| |
| /* check content, e.g. 2018-02-31 */ |
| memset(&tm, 0, sizeof tm); |
| r = strptime(date, "%Y-%m-%d", &tm); |
| if (!r || r != &date[LY_REV_SIZE - 1]) { |
| goto error; |
| } |
| memcpy(&tm_, &tm, sizeof tm); |
| mktime(&tm_); /* mktime modifies tm_ if it refers invalid date */ |
| if (tm.tm_mday != tm_.tm_mday) { /* e.g 2018-02-29 -> 2018-03-01 */ |
| /* checking days is enough, since other errors |
| * have been checked by strptime() */ |
| goto error; |
| } |
| |
| return 0; |
| |
| error: |
| LOGVAL(ctx, LY_VLOG_NONE, NULL, LY_VCODE_INVAL, date_len, date, stmt); |
| return -1; |
| } |
| |
| int |
| lysp_get_data_line(const char *data, int fail_char) |
| { |
| int i, line = 1; |
| |
| for (i = 0; i < fail_char; ++i) { |
| if (data[i] == '\n') { |
| ++line; |
| } |
| } |
| |
| return line; |
| } |