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Diffstat (limited to 'mcon/U/sbrktype.U')
| -rw-r--r-- | mcon/U/sbrktype.U | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/mcon/U/sbrktype.U b/mcon/U/sbrktype.U new file mode 100644 index 0000000..bb4bcc3 --- /dev/null +++ b/mcon/U/sbrktype.U @@ -0,0 +1,44 @@ +?RCS: $Id$ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: sbrktype.U,v $ +?RCS: Revision 3.0 1993/08/18 12:09:43 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:sbrktype: Myread Oldconfig Loc contains Findhdr +?MAKE: -pick add $@ %< +?S:sbrktype: +?S: This variable defines sbrktype to be something like caddr_t, char *, +?S: or whatever type is used to declare sbrk() in the kernel. +?S:. +?C:Caddr_t (SBRKTYPE): +?C: This symbol holds the type of a core address. It is inteded to be used +?C: to safely declare the return type of system calls like sbrk(). It might +?C: be necessary to include <sys/types.h> as well. +?C:. +?H:#define Caddr_t $sbrktype /* <core address> type */ +?H:. +: see what type sbrk is declared as in the kernel +case "$sbrktype" in +'') + if $contains 'caddr_t;' `./findhdr sys/types.h` >/dev/null 2>&1 ; then + dflt='caddr_t'; + else + dflt='char *'; + fi + ;; +*) dflt="$sbrktype" + ;; +esac +echo " " +rp="What is the return type of sbrk() on this system?" +. ./myread +sbrktype="$ans" + |