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[metaconfig.git] / dist / U / d_strchr.U
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1?RCS: $Id: d_strchr.U 1 2006-08-24 12:32:52Z rmanfredi $
2?RCS:
3?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
cf39bd7e 4?RCS:
d8875586
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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 4.0.
10?RCS:
11?RCS: $Log: d_strchr.U,v $
12?RCS: Revision 3.0.1.2 1993/10/16 13:49:20 ram
13?RCS: patch12: added support for HAS_INDEX
14?RCS: patch12: added magic for index() and rindex()
15?RCS:
16?RCS: Revision 3.0.1.1 1993/09/13 16:05:26 ram
17?RCS: patch10: now only defines HAS_STRCHR, no macro remap of index (WAD)
18?RCS:
19?RCS: Revision 3.0 1993/08/18 12:07:32 ram
20?RCS: Baseline for dist 3.0 netwide release.
21?RCS:
22?MAKE:d_strchr d_index: contains strings Setvar Myread Oldconfig Csym
23?MAKE: -pick add $@ %<
24?S:d_strchr:
25?S: This variable conditionally defines HAS_STRCHR if strchr() and
26?S: strrchr() are available for string searching.
27?S:.
28?S:d_index:
29?S: This variable conditionally defines HAS_INDEX if index() and
30?S: rindex() are available for string searching.
31?S:.
32?C:HAS_STRCHR:
33?C: This symbol is defined to indicate that the strchr()/strrchr()
34?C: functions are available for string searching. If not, try the
35?C: index()/rindex() pair.
36?C:.
37?C:HAS_INDEX:
38?C: This symbol is defined to indicate that the index()/rindex()
39?C: functions are available for string searching.
40?C:.
41?H:#$d_strchr HAS_STRCHR /**/
42?H:#$d_index HAS_INDEX /**/
43?H:.
44?M:index: HAS_INDEX
45?M:#ifndef HAS_INDEX
46?M:#ifndef index
47?M:#define index strchr
48?M:#endif
49?M:#endif
50?M:.
51?M:rindex: HAS_INDEX
52?M:#ifndef HAS_INDEX
53?M:#ifndef rindex
54?M:#define rindex strrchr
55?M:#endif
56?M:#endif
57?M:.
58?T:vali
59?LINT:set d_strchr d_index
60: index or strchr
61echo " "
62if set index val -f; eval $csym; $val; then
63 if set strchr val -f d_strchr; eval $csym; $val; then
64 if $contains strchr "$strings" >/dev/null 2>&1 ; then
65?X: has index, strchr, and strchr in string header
66 val="$define"
67 vali="$undef"
68 echo "strchr() found." >&4
69 else
70?X: has index, strchr, and no strchr in string header
71 val="$undef"
72 vali="$define"
73 echo "index() found." >&4
74 fi
75 else
76?X: has only index, no strchr, string header is a moot point
77 val="$undef"
78 vali="$define"
79 echo "index() found." >&4
80 fi
81else
82 if set strchr val -f d_strchr; eval $csym; $val; then
83 val="$define"
84 vali="$undef"
85 echo "strchr() found." >&4
86 else
87 echo "No index() or strchr() found!" >&4
88 val="$undef"
89 vali="$undef"
90 fi
91fi
92set d_strchr; eval $setvar
93val="$vali"
94set d_index; eval $setvar
95