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1 | ?X: These units are based on the ones supplied with dist-3.0 |
2 | ?X: patchlevel 22. They have been changed or enhanced to work with |
3 | ?X: perl5alpha. I would appreciate hearing about any changes, |
4 | ?X: corrections, or enhancements. |
5 | ?X: Andy Dougherty doughera@lafcol.lafayette.edu |
6 | ?X: Dept. of Physics |
7 | ?X: Lafayette College |
8 | ?X: Easton, PA 18042-1782 |
9 | ?X: Sat Apr 2 15:45:17 EST 1994 |
10 | ?RCS: $Id: mallocsrc.U,v 3.0 1993/08/18 12:09:12 ram Exp $ |
11 | ?RCS: |
12 | ?RCS: Copyright (c) 1991-1993, Raphael Manfredi |
13 | ?RCS: |
14 | ?RCS: You may redistribute only under the terms of the Artistic Licence, |
15 | ?RCS: as specified in the README file that comes with the distribution. |
16 | ?RCS: You may reuse parts of this distribution only within the terms of |
17 | ?RCS: that same Artistic Licence; a copy of which may be found at the root |
18 | ?RCS: of the source tree for dist 3.0. |
19 | ?RCS: |
20 | ?RCS: $Log: mallocsrc.U,v $ |
21 | ?RCS: Revision 3.0 1993/08/18 12:09:12 ram |
22 | ?RCS: Baseline for dist 3.0 netwide release. |
23 | ?RCS: |
24 | ?MAKE:mallocsrc mallocobj usemymalloc malloctype: Myread Oldconfig package \ |
25 | Guess test rm cat +cc +ccflags Findhdr |
26 | ?MAKE: -pick add $@ %< |
27 | ?S:usemymalloc: |
28 | ?S: This variable contains y if the malloc that comes with this package |
29 | ?S: is desired over the system's version of malloc. People often include |
30 | ?S: special versions of malloc for effiency, but such versions are often |
31 | ?S: less portable. See also mallocsrc and mallocobj. |
32 | ?S:. |
33 | ?S:mallocsrc: |
34 | ?S: This variable contains the name of the malloc.c that comes with |
35 | ?S: the package, if that malloc.c is preferred over the system malloc. |
36 | ?S: Otherwise the value is null. This variable is intended for generating |
37 | ?S: Makefiles. |
38 | ?S:. |
39 | ?S:mallocobj: |
40 | ?S: This variable contains the name of the malloc.o that this package |
41 | ?S: generates, if that malloc.o is preferred over the system malloc. |
42 | ?S: Otherwise the value is null. This variable is intended for generating |
43 | ?S: Makefiles. See mallocsrc. |
44 | ?S:. |
45 | ?S:malloctype: |
46 | ?S: This variable contains the kind of ptr returned by malloc and realloc. |
47 | ?S:. |
48 | ?C:Malloc_t (MALLOCPTRTYPE): |
49 | ?C: This symbol is the type of pointer returned by malloc and realloc. |
50 | ?C:. |
51 | ?H:#define Malloc_t $malloctype /**/ |
52 | ?H:. |
53 | ?X: Cannot test for mallocsrc; it is the unit's name and there is a bug in |
54 | ?X: the interpreter which defines all the names, even though they are not used. |
55 | @if mallocobj |
56 | : determine which malloc to compile in |
57 | : Old versions had dflt='y' only for bsd or v7. |
58 | echo " " |
59 | case "$usemymalloc" in |
60 | '') |
61 | if bsd || v7; then |
62 | dflt='y' |
63 | else |
64 | dflt='y' |
65 | fi |
66 | ;; |
67 | *) dflt="$usemymalloc" |
68 | ;; |
69 | esac |
70 | rp="Do you wish to attempt to use the malloc that comes with $package?" |
71 | . ./myread |
72 | usemymalloc="$ans" |
73 | case "$ans" in |
74 | y*) mallocsrc='malloc.c'; mallocobj='malloc.o';; |
75 | *) mallocsrc=''; mallocobj='';; |
76 | esac |
77 | |
78 | @end |
79 | @if MALLOCPTRTYPE || Malloc_t |
80 | : compute the type returned by malloc |
81 | echo " " |
82 | case "$malloctype" in |
83 | '') |
84 | if $test `./findhdr malloc.h`; then |
85 | echo "#include <malloc.h>" > malloc.c |
86 | fi |
87 | #include <malloc.h> |
88 | $cat >>malloc.c <<'END' |
89 | void *malloc(); |
90 | END |
91 | if $cc $ccflags -c malloc.c >/dev/null 2>&1; then |
92 | malloctype='void *' |
93 | else |
94 | malloctype='char *' |
95 | fi |
96 | $rm -f malloc.[co] |
97 | ;; |
98 | esac |
99 | echo "Your system wants malloc to return '$malloctype', it would seem." >&4 |
100 | |
101 | @end |