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0ecb606c | 1 | /* Copyright (C) 2000, 2003, 2006 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
313fed01 | 13 | |
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14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
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18 | |
19 | #include <errno.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | #include <sysdep.h> | |
23 | #include <sys/syscall.h> | |
0ecb606c | 24 | #include <kernel-features.h> |
313fed01 | 25 | |
313fed01 | 26 | #ifdef __NR_getegid32 |
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27 | # if __ASSUME_32BITUIDS == 0 |
28 | /* This variable is shared with all files that need to check for 32bit | |
29 | uids. */ | |
1c848253 | 30 | extern int __libc_missing_32bit_uids attribute_hidden; |
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31 | # endif |
32 | #endif /* __NR_getegid32 */ | |
33 | ||
34 | gid_t | |
35 | __getegid (void) | |
36 | { | |
1c848253 | 37 | INTERNAL_SYSCALL_DECL (err); |
313fed01 | 38 | #if __ASSUME_32BITUIDS > 0 |
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39 | /* No error checking. */ |
40 | return INTERNAL_SYSCALL (getegid32, err, 0); | |
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41 | #else |
42 | # ifdef __NR_getegid32 | |
cd090f71 | 43 | if (__libc_missing_32bit_uids <= 0) |
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44 | { |
45 | int result; | |
313fed01 | 46 | |
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47 | result = INTERNAL_SYSCALL (getegid32, err, 0); |
48 | if (! INTERNAL_SYSCALL_ERROR_P (result, err) | |
49 | || INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS) | |
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50 | return result; |
51 | ||
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52 | __libc_missing_32bit_uids = 1; |
53 | } | |
54 | # endif /* __NR_getegid32 */ | |
55 | ||
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56 | /* No error checking. */ |
57 | return INTERNAL_SYSCALL (getegid, err, 0); | |
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58 | #endif |
59 | } | |
60 | ||
61 | weak_alias (__getegid, getegid) |