mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-20 11:11:24 +00:00
9f36c7f497
In case you're wondering, the gcc-2.7.2.1 import uses this to generate code. The size of the generated code is bigger than the entire bison release, making this a saving. The bison doc is pretty good apparently.
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/* Allocate and clear storage for bison,
|
|
Copyright (C) 1984, 1989 Free Software Foundation, Inc.
|
|
|
|
This file is part of Bison, the GNU Compiler Compiler.
|
|
|
|
Bison 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, or (at your option)
|
|
any later version.
|
|
|
|
Bison 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 Bison; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
extern char *calloc ();
|
|
extern char *realloc ();
|
|
extern void done ();
|
|
|
|
extern char *program_name;
|
|
|
|
char *
|
|
xmalloc (n)
|
|
register unsigned n;
|
|
{
|
|
register char *block;
|
|
|
|
/* Avoid uncertainty about what an arg of 0 will do. */
|
|
if (n == 0)
|
|
n = 1;
|
|
block = calloc (n, 1);
|
|
if (block == NULL)
|
|
{
|
|
fprintf (stderr, "%s: memory exhausted\n", program_name);
|
|
done (1);
|
|
}
|
|
|
|
return (block);
|
|
}
|
|
|
|
char *
|
|
xrealloc (block, n)
|
|
register char *block;
|
|
register unsigned n;
|
|
{
|
|
/* Avoid uncertainty about what an arg of 0 will do. */
|
|
if (n == 0)
|
|
n = 1;
|
|
block = realloc (block, n);
|
|
if (block == NULL)
|
|
{
|
|
fprintf (stderr, "%s: memory exhausted\n", program_name);
|
|
done (1);
|
|
}
|
|
|
|
return (block);
|
|
}
|