diff options
Diffstat (limited to 'lib/libc/gen/confstr.c')
| -rw-r--r-- | lib/libc/gen/confstr.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/lib/libc/gen/confstr.c b/lib/libc/gen/confstr.c deleted file mode 100644 index 2f9a061..0000000 --- a/lib/libc/gen/confstr.c +++ /dev/null @@ -1,121 +0,0 @@ -/*- - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)confstr.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> - -#include <errno.h> -#include <limits.h> -#include <paths.h> -#include <string.h> -#include <unistd.h> - - -size_t -confstr(int name, char *buf, size_t len) -{ - const char *p; - const char UPE[] = "unsupported programming environment"; - - switch (name) { - case _CS_PATH: - p = _PATH_STDPATH; - goto docopy; - - /* - * POSIX/SUS ``Programming Environments'' stuff - * - * We don't support more than one programming environment - * on any platform (yet), so we just return the empty - * string for the environment we are compiled for, - * and the string "unsupported programming environment" - * for anything else. (The Standard says that if these - * values are used on a system which does not support - * this environment -- determined via sysconf() -- then - * the value we return is unspecified. So, we return - * something which will cause obvious breakage.) - */ - case _CS_POSIX_V6_ILP32_OFF32_CFLAGS: - case _CS_POSIX_V6_ILP32_OFF32_LDFLAGS: - case _CS_POSIX_V6_ILP32_OFF32_LIBS: - case _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS: - case _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS: - case _CS_POSIX_V6_LPBIG_OFFBIG_LIBS: - /* - * These two environments are never supported. - */ - p = UPE; - goto docopy; - - case _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS: - case _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS: - case _CS_POSIX_V6_ILP32_OFFBIG_LIBS: - if (sizeof(long) * CHAR_BIT == 32 && - sizeof(off_t) > sizeof(long)) - p = ""; - else - p = UPE; - goto docopy; - - case _CS_POSIX_V6_LP64_OFF64_CFLAGS: - case _CS_POSIX_V6_LP64_OFF64_LDFLAGS: - case _CS_POSIX_V6_LP64_OFF64_LIBS: - if (sizeof(long) * CHAR_BIT >= 64 && - sizeof(void *) * CHAR_BIT >= 64 && - sizeof(int) * CHAR_BIT >= 32 && - sizeof(off_t) >= sizeof(long)) - p = ""; - else - p = UPE; - goto docopy; - - case _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS: - /* XXX - should have more complete coverage */ - if (sizeof(long) * CHAR_BIT >= 64) - p = "_POSIX_V6_LP64_OFF64"; - else - p = "_POSIX_V6_ILP32_OFFBIG"; - goto docopy; - -docopy: - if (len != 0 && buf != NULL) - strlcpy(buf, p, len); - return (strlen(p) + 1); - - default: - errno = EINVAL; - return (0); - } - /* NOTREACHED */ -} |
