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e92718552e
It is not necessary to do the conversion at the getdents64 layer for readdir64_r. Doing it piecewise for readdir64 is slightly simpler and allows deleting __old_getdents64. This fixes bug 32128 because readdir64_r handles the length check correctly. Reviewed-by: DJ Delorie <dj@redhat.com>
35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/* Get directory entries. Linux LFS version.
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Copyright (C) 1997-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#include <string.h>
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#include <dirent.h>
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#include <errno.h>
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#include <limits.h>
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/* The kernel struct linux_dirent64 matches the 'struct dirent64' type. */
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ssize_t
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__getdents64 (int fd, void *buf, size_t nbytes)
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{
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/* The system call takes an unsigned int argument, and some length
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checks in the kernel use an int type. */
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if (nbytes > INT_MAX)
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nbytes = INT_MAX;
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return INLINE_SYSCALL_CALL (getdents64, fd, buf, nbytes);
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}
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libc_hidden_def (__getdents64)
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weak_alias (__getdents64, getdents64)
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