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/*
* util - Utility function library
*
* General helper functions
*
* Copyright IBM Corp. 2013, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef LIB_UTIL_BASE_H
#define LIB_UTIL_BASE_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "zt_common.h"
#include "lib/util_libc.h"
void util_hexdump(FILE *fh, const char *tag, const void *data, int cnt);
void util_hexdump_grp(FILE *fh, const char *tag, const void *data, int group,
int cnt, int indent);
void util_print_indented(const char *str, int indent);
const char *util_libdir(void);
const char *util_libdir_path(const char *filename);
const char *util_datadir(void);
const char *util_datadir_path(const char *filename);
static inline void util_ptr_vec_free(void **ptr_vec, int count)
{
int i;
if (!ptr_vec || count < 0)
return;
for (i = 0; i < count; i++)
free(ptr_vec[i]);
free(ptr_vec);
}
/*
* Expand size of dynamic array (element_t *) by one element
*
* @param[in,out] array Pointer to array (element_t **)
* @param[in,out] num Pointer to integer containing number of elements
*/
#define util_expand_array(array, num) \
do { \
unsigned int __size = sizeof(*(*(array))); \
*(array) = util_realloc(*(array), ++(*(num)) * __size); \
memset(&((*(array))[*(num) - 1]), 0, __size); \
} while (0)
/*
* Append one element to dynamic array (element_t *)
*
* @param[in,out] array Pointer to array (element_t **)
* @param[in,out] num Pointer to integer containing number of elements
* @param[in] element Element to add (element_t)
*/
#define util_add_array(array, num, element) \
do { \
util_expand_array(array, num); \
(*(array))[*(num) - 1] = (element) ; \
} while (0)
#endif /* LIB_UTIL_BASE_H */
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