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96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
/*
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* This file is part of mtrace-ng.
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* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
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*
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* This work was sponsored by Rohde & Schwarz GmbH & Co. KG, Munich/Germany.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include "common.h"
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void _fatal(const char *file, const char *func, int line, const char *format, ...)
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{
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va_list args;
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char *message = NULL;
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va_start(args, format);
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if (vasprintf(&message, format, args) == -1)
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abort();
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va_end(args);
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fprintf(stderr,"%s(%s:%d):\n %s\n", file, func, line, message);
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free(message);
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}
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char *safe_strncpy(char *dst, const char *src, size_t size)
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{
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if (!size)
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return dst;
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dst[--size] = '\0';
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return strncpy(dst, src, size);
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}
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unsigned long get_val32(void *data, unsigned long index)
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{
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return (unsigned long)*(uint32_t *)(data + index * sizeof(uint32_t));
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}
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unsigned long get_val64(void *data, unsigned long index)
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{
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return (unsigned long)*(uint64_t *)(data + index * sizeof(uint64_t));
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}
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unsigned long find_block(unsigned long (*get_val)(void *data, unsigned long index), void *arr, unsigned long n, unsigned long addr)
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{
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unsigned long first, middle, last, val;
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first = 0;
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last = n;
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if (addr < get_val(arr, first))
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return n;
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if (addr > get_val(arr, last - 1))
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return n;
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do {
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middle = (first + last) >> 1;
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val = get_val(arr, middle);
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if (addr < val)
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last = middle;
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else
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if (addr > val)
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first = middle + 1;
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else
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return middle;
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} while (first < last);
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return n;
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}
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