binutils-gdb/sim/ppc/misc.c

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/* This file is part of the program psim.
Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "misc.h"
void
error (char *msg, ...)
{
va_list ap;
va_start(ap, msg);
vprintf(msg, ap);
va_end(ap);
exit (1);
}
void *
zalloc(long size)
{
void *memory = malloc(size);
if (memory == NULL)
error("zalloc failed\n");
bzero(memory, size);
return memory;
}
void
dumpf (int indent, char *msg, ...)
{
va_list ap;
for (; indent > 0; indent--)
printf(" ");
va_start(ap, msg);
vprintf(msg, ap);
va_end(ap);
}
int
it_is(const char *flag,
const char *flags)
{
int flag_len = strlen(flag);
while (*flags != '\0') {
if (!strncmp(flags, flag, flag_len)
&& (flags[flag_len] == ',' || flags[flag_len] == '\0'))
return 1;
while (*flags != ',') {
if (*flags == '\0')
return 0;
flags++;
}
flags++;
}
return 0;
}
unsigned
a2i(const char *a)
{
return strtoul(a, 0, 0);
}
unsigned
target_a2i(int ms_bit_nr,
const char *a)
{
if (ms_bit_nr)
return (ms_bit_nr - strtoul(a, 0, 0));
else
return strtoul(a, 0, 0);
}
unsigned
i2target(int ms_bit_nr,
unsigned bit)
{
if (ms_bit_nr)
return ms_bit_nr - bit;
else
return bit;
}