1 ?RCS: $Id: ptrsize.U,v 3.0.1.1 1994/10/29 16:28:19 ram Exp $
3 ?RCS: Copyright (c) 1991-1993, Raphael Manfredi
5 ?RCS: You may redistribute only under the terms of the Artistic Licence,
6 ?RCS: as specified in the README file that comes with the distribution.
7 ?RCS: You may reuse parts of this distribution only within the terms of
8 ?RCS: that same Artistic Licence; a copy of which may be found at the root
9 ?RCS: of the source tree for dist 3.0.
11 ?RCS: $Log: ptrsize.U,v $
12 ?RCS: Revision 3.0.1.1 1994/10/29 16:28:19 ram
13 ?RCS: patch36: added ?F: line for metalint file checking
15 ?RCS: Revision 3.0 1993/08/18 12:09:37 ram
16 ?RCS: Baseline for dist 3.0 netwide release.
18 ?MAKE:ptrsize: echo n c cat rm Myread Compile voidflags
19 ?MAKE: -pick add $@ %<
21 ?S: This variable contains the value of the PTRSIZE symbol, which
22 ?S: indicates to the C program how many bytes there are in a pointer.
25 ?C: This symbol contains the size of a pointer, so that the C preprocessor
26 ?C: can make decisions based on it. It will be sizeof(void *) if
27 ?C: the compiler supports (void *); otherwise it will be
30 ?H:#define PTRSIZE $ptrsize /**/
33 : check for length of pointer
37 $echo $n "Checking to see how big your pointers are...$c" >&4
38 if test "$voidflags" -gt 7; then
39 echo '#define VOID_PTR char *' > try.c
41 echo '#define VOID_PTR void *' > try.c
47 printf("%d\n", (int)sizeof(VOID_PTR));
52 if eval $compile_ok; then
54 $echo " $ptrsize bytes." >&4
57 echo "(I can't seem to compile the test program. Guessing...)" >&4
58 rp="What is the size of a pointer (in bytes)?"