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1/* Optional code to distinguish library flavours.
2 Copyright (C) 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
5
6 The GNU C Library is free software; you can redistribute it and/or
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7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
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10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2 14 Lesser General Public License for more details.
a986484f 15
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16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
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20
21#ifndef _DL_LIBRECON_H
22#define _DL_LIBRECON_H 1
23
24/* Recognizing extra environment variables. */
25#define EXTRA_LD_ENVVARS \
26 case 13: \
67c94753 27 if (memcmp (envline, "ASSUME_KERNEL", 13) == 0) \
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28 { \
29 unsigned long int i, j, osversion = 0; \
67c94753 30 char *p = &envline[14], *q; \
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31 \
32 for (i = 0; i < 3; i++, p = q + 1) \
33 { \
34 j = __strtoul_internal (p, &q, 0, 0); \
35 if (j >= 255 || p == q || (i < 2 && *q && *q != '.')) \
36 { \
37 osversion = 0; \
38 break; \
39 } \
40 osversion |= j << (16 - 8 * i); \
41 if (!*q) \
42 break; \
43 } \
44 if (osversion) \
d6b5d570 45 GL(dl_osversion) = osversion; \
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46 break; \
47 }
48
49#endif /* dl-librecon.h */