diff options
author | Miles Bader <miles@gnu.org> | 1996-03-26 23:10:25 +0000 |
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committer | Miles Bader <miles@gnu.org> | 1996-03-26 23:10:25 +0000 |
commit | 29cdaf08b7138959fee79172539b012d0ac5aea3 (patch) | |
tree | ed2fb1c34e69da2659534355ae2fb49aca5652b0 /libps/common.h | |
parent | fb800f0088c508fc8a405249270206b7ac3704a2 (diff) |
Initial revision
Diffstat (limited to 'libps/common.h')
-rw-r--r-- | libps/common.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libps/common.h b/libps/common.h new file mode 100644 index 00000000..67d89bfd --- /dev/null +++ b/libps/common.h @@ -0,0 +1,42 @@ +/* Handy common functions for things in libps. + + Copyright (C) 1995 Free Software Foundation, Inc. + + Written by Miles Bader <miles@gnu.ai.mit.edu> + + 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define ABS(x) ((x) < 0 ? -(x) : (x)) +#define MAX(x, y) ((x) < (y) ? (y) : (x)) +#define MIN(x, y) ((x) < (y) ? (x) : (y)) + +/* Allocate memory to store an element of type TYPE */ +#define NEW(type) ((type *)malloc(sizeof(type))) +/* Allocate a vector of type TYPE *, consisting of LEN elements of type TYPE */ + +#define NEWVEC(type,len) ((type *)malloc(sizeof(type)*(len))) +/* Change the size of the vector OLD, of type TYPE *, to be LEN elements of type TYPE */ +#define GROWVEC(old,type,len) \ + ((type *)realloc((void *)(old),(unsigned)(sizeof(type)*(len)))) + +#define FREE(x) (void)free((void *)x) +#define VMFREE(x, len) vm_deallocate(mach_task_self(), (vm_address_t)x, len) + +#ifndef FALSE +#define FALSE 0 +#endif +#ifndef TRUE +#define TRUE 1 +#endif |