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/*
This file is part of tgl-library
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Copyright Vitaly Valtman 2013-2015
*/
#ifndef __TOOLS_H__
#define __TOOLS_H__
#include <time.h>
#include <stdarg.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
//#include "tgl.h"
#include "crypto/err.h"
#include "crypto/rand.h"
struct tgl_allocator {
void *(*alloc)(size_t size);
void *(*realloc)(void *ptr, size_t old_size, size_t size);
void (*free)(void *ptr, int size);
void (*check)(void);
void (*exists)(void *ptr, int size);
};
#define talloc tgl_allocator->alloc
#define talloc0 tgl_alloc0
#define tfree tgl_allocator->free
#define tfree_str tgl_free_str
#define tfree_secure tgl_free_secure
#define trealloc tgl_allocator->realloc
#define tcheck tgl_allocator->check
#define texists tgl_allocator->exists
#define tstrdup tgl_strdup
#define tmemdup tgl_memdup
#define tstrndup tgl_strndup
#define tasprintf tgl_asprintf
#define tsnprintf tgl_snprintf
extern struct tgl_allocator *tgl_allocator;
double tglt_get_double_time (void);
int tgl_inflate (void *input, int ilen, void *output, int olen);
//void ensure (int r);
//void ensure_ptr (void *p);
static inline void out_of_memory (void) {
fprintf (stderr, "Out of memory\n");
exit (1);
}
static inline void ensure (int r) {
if (!r) {
fprintf (stderr, "Crypto error\n");
TGLC_err_print_errors_fp (stderr);
assert (0);
}
}
static inline void ensure_ptr (void *p) {
if (p == NULL) {
out_of_memory ();
}
}
void *tgl_alloc_debug (size_t size);
void *tgl_alloc_release (size_t size);
void *tgl_realloc_debug (void *ptr, size_t old_size, size_t size);
void *tgl_realloc_release (void *ptr, size_t old_size, size_t size);
void *tgl_alloc0 (size_t size);
char *tgl_strdup (const char *s);
char *tgl_strndup (const char *s, size_t n);
void tgl_free_debug (void *ptr, int size);
void tgl_free_release (void *ptr, int size);
//void tgl_free_str (void *ptr);
//void tgl_free_secure (void *ptr, int size);
void tgl_check_debug (void);
void tgl_exists_debug (void *ptr, int size);
void tgl_check_release (void);
void tgl_exists_release (void *ptr, int size);
void *tgl_memdup (const void *s, size_t n);
int tgl_snprintf (char *buf, int len, const char *format, ...) __attribute__ ((format (__printf__, 3, 4)));
int tgl_asprintf (char **res, const char *format, ...) __attribute__ ((format (__printf__, 2, 3)));
void tglt_secure_random (void *s, int l);
void tgl_my_clock_gettime (int clock_id, struct timespec *T);
static inline void tgl_free_str (void *ptr) {
if (!ptr) { return; }
tfree (ptr, strlen ((const char *)ptr) + 1);
}
static inline void tgl_free_secure (void *ptr, int size) {
memset (ptr, 0, size);
tfree (ptr, size);
}
static inline void hexdump (void *ptr, void *end_ptr) {
int total = 0;
unsigned char *bptr = (unsigned char *)ptr;
while (bptr < (unsigned char *)end_ptr) {
fprintf (stderr, "%02x", (int)*bptr);
bptr ++;
total ++;
if (total == 16) {
fprintf (stderr, "\n");
total = 0;
}
}
if (total) { fprintf (stderr, "\n"); }
}
#endif
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