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/*
* Copyright (c) 2021-2022 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 common.h
* \file Common definitions used throughout the code
*/
#ifndef FACEMGR_COMMON_H
#define FACEMGR_COMMON_H
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <hicn/util/ip_address.h>
//#define DEBUG
#define INT_CMP(x, y) x < y ? -1 : (x == y ? 0 : 1)
/* Dump with indent */
#define INDENT(n, fmt) "%*s" fmt, n, ""
#define printfi(n, fmt, ...) printf(INDENT(n * 4, fmt), ##__VA_ARGS__)
/* Random strings */
static inline void rand_str(char *dest, size_t length) {
char charset[] =
"0123456789"
"abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
while (length-- > 0) {
size_t index = (double)rand() / RAND_MAX * (sizeof charset - 1);
*dest++ = charset[index];
}
*dest = '\0';
}
/* Boilerplate code */
#define NO_INITIALIZE(NAME) \
int NAME##_initialize(NAME##_t *obj) { return 0; }
#define NO_FINALIZE(NAME) \
int NAME##_finalize(NAME##_t *obj) { return 0; }
#define AUTOGENERATE_CREATE_FREE(NAME) \
\
NAME##_t *NAME##_create() { \
NAME##_t *obj = malloc(sizeof(NAME##_t)); \
if (!obj) goto ERR_MALLOC; \
\
if (NAME##_initialize(obj) < 0) goto ERR_INIT; \
\
return obj; \
\
ERR_INIT: \
free(obj); \
ERR_MALLOC: \
return NULL; \
} \
\
void NAME##_free(NAME##_t *obj) { \
if (NAME##_finalize(obj) < 0) (void)0; /* XXX */ \
free(obj); \
}
#define AUTOGENERATE_DEFS(NAME) \
int NAME##_initialize(NAME##_t *); \
int NAME##_finalize(NAME##_t *); \
NAME##_t *NAME##_create(); \
void NAME##_free(NAME##_t *);
#endif /* FACEMGR_COMMON_H */
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