mirror of
https://github.com/sstefani/mtrace.git
synced 2025-12-06 16:56:41 +08:00
96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/*
|
|
* This file is part of mtrace.
|
|
* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
|
|
*
|
|
* This work was sponsored by Rohde & Schwarz GmbH & Co. KG, Munich.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <stdint.h>
|
|
|
|
#include "common.h"
|
|
|
|
void _fatal(const char *file, const char *func, int line, const char *format, ...)
|
|
{
|
|
va_list args;
|
|
char *message = NULL;
|
|
|
|
va_start(args, format);
|
|
if (vasprintf(&message, format, args) == -1)
|
|
abort();
|
|
va_end(args);
|
|
|
|
fprintf(stderr,"%s(%s:%d):\n %s\n", file, func, line, message);
|
|
|
|
free(message);
|
|
}
|
|
|
|
char *safe_strncpy(char *dst, const char *src, size_t size)
|
|
{
|
|
if (!size)
|
|
return dst;
|
|
dst[--size] = '\0';
|
|
return strncpy(dst, src, size);
|
|
}
|
|
|
|
unsigned long get_val32(void *data, unsigned long index)
|
|
{
|
|
return (unsigned long)*(uint32_t *)(data + index * sizeof(uint32_t));
|
|
}
|
|
|
|
unsigned long get_val64(void *data, unsigned long index)
|
|
{
|
|
return (unsigned long)*(uint64_t *)(data + index * sizeof(uint64_t));
|
|
}
|
|
|
|
unsigned long find_block(unsigned long (*get_val)(void *data, unsigned long index), void *arr, unsigned long n, unsigned long addr)
|
|
{
|
|
unsigned long first, middle, last, val;
|
|
|
|
first = 0;
|
|
last = n;
|
|
|
|
if (addr < get_val(arr,first))
|
|
return n;
|
|
|
|
if (addr > get_val(arr, last - 1))
|
|
return n;
|
|
|
|
do {
|
|
middle = (first + last) >> 1;
|
|
val = get_val(arr, middle);
|
|
|
|
if (addr < val)
|
|
last = middle;
|
|
else if (addr > val)
|
|
first = middle + 1;
|
|
else
|
|
return middle;
|
|
|
|
} while (first < last);
|
|
|
|
return n;
|
|
}
|
|
|
|
|