96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/* Copyright (C) 1991, 1996, 1997 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stddef.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include <confstr.h>
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/* If BUF is not NULL, fill in at most LEN characters of BUF
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with the value corresponding to NAME. Return the number
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of characters required to hold NAME's entire value. */
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size_t
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confstr (name, buf, len)
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int name;
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char *buf;
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size_t len;
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{
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const char *string;
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size_t string_len;
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switch (name)
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{
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case _CS_PATH:
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{
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static const char cs_path[] = CS_PATH;
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string = cs_path;
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string_len = sizeof (cs_path);
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}
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break;
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case _CS_XBS5_ILP32_OFFBIG_CFLAGS:
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case _CS_LFS_CFLAGS:
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#if defined _XBS5_ILP32_OFF32 && !defined _XBS5_ILP32_OFFBIG
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/* Signal that we want the new ABI. */
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{
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static const char file_offset[] = "-D_FILE_OFFSET_BITS=64";
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string = file_offset;
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string_len = sizeof (file_offset);
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}
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break;
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#endif
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case _CS_LFS_LINTFLAGS:
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case _CS_LFS_LDFLAGS:
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case _CS_LFS_LIBS:
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case _CS_LFS64_CFLAGS:
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case _CS_LFS64_LINTFLAGS:
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case _CS_LFS64_LDFLAGS:
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case _CS_LFS64_LIBS:
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case _CS_XBS5_ILP32_OFF32_CFLAGS:
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case _CS_XBS5_ILP32_OFF32_LDFLAGS:
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case _CS_XBS5_ILP32_OFF32_LIBS:
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case _CS_XBS5_ILP32_OFF32_LINTFLAGS:
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case _CS_XBS5_ILP32_OFFBIG_LDFLAGS:
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case _CS_XBS5_ILP32_OFFBIG_LIBS:
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case _CS_XBS5_ILP32_OFFBIG_LINTFLAGS:
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case _CS_XBS5_LP64_OFF64_CFLAGS:
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case _CS_XBS5_LP64_OFF64_LDFLAGS:
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case _CS_XBS5_LP64_OFF64_LIBS:
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case _CS_XBS5_LP64_OFF64_LINTFLAGS:
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case _CS_XBS5_LPBIG_OFFBIG_CFLAGS:
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case _CS_XBS5_LPBIG_OFFBIG_LDFLAGS:
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case _CS_XBS5_LPBIG_OFFBIG_LIBS:
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case _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS:
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/* GNU libc does not require special actions to use LFS functions. */
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string = "";
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string_len = 1;
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break;
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default:
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__set_errno (EINVAL);
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return 0;
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}
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if (buf != NULL)
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(void) strncpy (buf, string, len);
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return string_len;
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}
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