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/* Return list with names for address in backtrace.
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
The GNU C 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.
The GNU C 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <execinfo.h>
#include <stdlib.h>
#include <string.h>
/* Assume the worst for the width of an address. */
#define WORD_WIDTH 16
char **
__backtrace_symbols (array, size)
void *const *array;
int size;
{
int cnt;
size_t total = 0;
char **result;
/* We can compute the text size needed for the symbols since we print
them all as "[+0x<addr>]". */
total = size * (WORD_WIDTH + 6);
/* Allocate memory for the result. */
result = malloc (size * sizeof (char *) + total);
if (result != NULL)
{
char *last = (char *) (result + size);
for (cnt = 0; cnt < size; ++cnt)
{
result[cnt] = last;
last += 1 + sprintf (last, "[+%p]", array[cnt]);
}
}
return result;
}
weak_alias (__backtrace_symbols, backtrace_symbols)
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