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-rw-r--r--posix/confstr.c292
1 files changed, 0 insertions, 292 deletions
diff --git a/posix/confstr.c b/posix/confstr.c
deleted file mode 100644
index 159a55788e..0000000000
--- a/posix/confstr.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <stddef.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <confstr.h>
-#include "../version.h"
-
-#define NEED_SPEC_ARRAY 0
-#include <posix-conf-vars.h>
-
-/* If BUF is not NULL and LEN > 0, fill in at most LEN - 1 bytes
- of BUF with the value corresponding to NAME and zero-terminate BUF.
- Return the number of bytes required to hold NAME's entire value. */
-size_t
-confstr (int name, char *buf, size_t len)
-{
- const char *string = "";
- size_t string_len = 1;
-
- /* Note that this buffer must be large enough for the longest strings
- used below. */
- char restenvs[4 * sizeof "POSIX_V7_LPBIG_OFFBIG"];
-
- switch (name)
- {
- case _CS_PATH:
- {
- static const char cs_path[] = CS_PATH;
- string = cs_path;
- string_len = sizeof (cs_path);
- }
- break;
-
- /* For _CS_V7_WIDTH_RESTRICTED_ENVS, _CS_V6_WIDTH_RESTRICTED_ENVS
- and _CS_V5_WIDTH_RESTRICTED_ENVS:
-
- We have to return a newline-separated list of names of
- programming environments in which the widths of blksize_t,
- cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t,
- ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and
- wint_t types are no greater than the width of type long.
-
- Currently this means all environments that the system allows. */
-
-#define START_ENV_GROUP(VERSION) \
- case _CS_##VERSION##_WIDTH_RESTRICTED_ENVS: \
- string_len = 0;
-
-#define END_ENV_GROUP(VERSION) \
- restenvs[string_len++] = '\0'; \
- string = restenvs; \
- break;
-
-#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
- /* Empty. */
-
-#define KNOWN_PRESENT_ENV_STRING(STR) \
- if (string_len > 0) \
- restenvs[string_len++] = '\n'; \
- memcpy (restenvs + string_len, STR, \
- sizeof STR - 1); \
- string_len += sizeof STR - 1;
-
-#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
- KNOWN_PRESENT_ENV_STRING (#ENV_PREFIX "_" #SUFFIX)
-
-#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \
- if (__sysconf (_SC_##SC_PREFIX##_##SUFFIX) > 0) \
- { \
- KNOWN_PRESENT_ENVIRONMENT (SC_PREFIX, ENV_PREFIX, SUFFIX) \
- }
-
-#include "posix-envs.def"
-
-#undef START_ENV_GROUP
-#undef END_ENV_GROUP
-#undef KNOWN_ABSENT_ENVIRONMENT
-#undef KNOWN_PRESENT_ENV_STRING
-#undef KNOWN_PRESENT_ENVIRONMENT
-#undef UNKNOWN_ENVIRONMENT
-
- case _CS_XBS5_ILP32_OFF32_CFLAGS:
- case _CS_POSIX_V6_ILP32_OFF32_CFLAGS:
- case _CS_POSIX_V7_ILP32_OFF32_CFLAGS:
-#ifdef __ILP32_OFF32_CFLAGS
-# if CONF_IS_DEFINED_UNSET (_POSIX_V7_ILP32_OFF32)
-# error "__ILP32_OFF32_CFLAGS should not be defined"
-# elif CONF_IS_UNDEFINED (_POSIX_V7_ILP32_OFF32)
- if (__sysconf (_SC_V7_ILP32_OFF32) < 0)
- break;
-# endif
- string = __ILP32_OFF32_CFLAGS;
- string_len = sizeof (__ILP32_OFF32_CFLAGS);
-#endif
- break;
-
- case _CS_XBS5_ILP32_OFFBIG_CFLAGS:
- case _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS:
- case _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS:
-#ifdef __ILP32_OFFBIG_CFLAGS
-# if CONF_IS_DEFINED_UNSET (_POSIX_V7_ILP32_OFFBIG)
-# error "__ILP32_OFFBIG_CFLAGS should not be defined"
-# elif CONF_IS_UNDEFINED (_POSIX_V7_ILP32_OFFBIG)
- if (__sysconf (_SC_V7_ILP32_OFFBIG) < 0)
- break;
-# endif
- string = __ILP32_OFFBIG_CFLAGS;
- string_len = sizeof (__ILP32_OFFBIG_CFLAGS);
-#endif
- break;
-
- case _CS_XBS5_LP64_OFF64_CFLAGS:
- case _CS_POSIX_V6_LP64_OFF64_CFLAGS:
- case _CS_POSIX_V7_LP64_OFF64_CFLAGS:
-#ifdef __LP64_OFF64_CFLAGS
-# if CONF_IS_DEFINED_UNSET (_POSIX_V7_LP64_OFF64)
-# error "__LP64_OFF64_CFLAGS should not be defined"
-# elif CONF_IS_UNDEFINED (_POSIX_V7_LP64_OFF64)
- if (__sysconf (_SC_V7_LP64_OFF64) < 0)
- break;
-# endif
- string = __LP64_OFF64_CFLAGS;
- string_len = sizeof (__LP64_OFF64_CFLAGS);
-#endif
- break;
-
- case _CS_XBS5_ILP32_OFF32_LDFLAGS:
- case _CS_POSIX_V6_ILP32_OFF32_LDFLAGS:
- case _CS_POSIX_V7_ILP32_OFF32_LDFLAGS:
-#ifdef __ILP32_OFF32_LDFLAGS
-# if CONF_IS_DEFINED_UNSET (_POSIX_V7_ILP32_OFF32 )
-# error "__ILP32_OFF32_LDFLAGS should not be defined"
-# elif CONF_IS_UNDEFINED (_POSIX_V7_ILP32_OFF32)
- if (__sysconf (_SC_V7_ILP32_OFF32) < 0)
- break;
-# endif
- string = __ILP32_OFF32_LDFLAGS;
- string_len = sizeof (__ILP32_OFF32_LDFLAGS);
-#endif
- break;
-
- case _CS_XBS5_ILP32_OFFBIG_LDFLAGS:
- case _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS:
- case _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS:
-#ifdef __ILP32_OFFBIG_LDFLAGS
-# if CONF_IS_DEFINED_UNSET (_POSIX_V7_ILP32_OFFBIG)
-# error "__ILP32_OFFBIG_LDFLAGS should not be defined"
-# elif CONF_IS_UNDEFINED (_POSIX_V7_ILP32_OFFBIG)
- if (__sysconf (_SC_V7_ILP32_OFFBIG) < 0)
- break;
-# endif
- string = __ILP32_OFFBIG_LDFLAGS;
- string_len = sizeof (__ILP32_OFFBIG_LDFLAGS);
-#endif
- break;
-
- case _CS_XBS5_LP64_OFF64_LDFLAGS:
- case _CS_POSIX_V6_LP64_OFF64_LDFLAGS:
- case _CS_POSIX_V7_LP64_OFF64_LDFLAGS:
-#ifdef __LP64_OFF64_LDFLAGS
-# if CONF_IS_DEFINED_UNSET (_POSIX_V7_LP64_OFF64)
-# error "__LP64_OFF64_LDFLAGS should not be defined"
-# elif CONF_IS_UNDEFINED (_POSIX_V7_LP64_OFF64)
- if (__sysconf (_SC_V7_LP64_OFF64) < 0)
- break;
-# endif
- string = __LP64_OFF64_LDFLAGS;
- string_len = sizeof (__LP64_OFF64_LDFLAGS);
-#endif
- break;
-
- case _CS_LFS_CFLAGS:
- case _CS_LFS_LINTFLAGS:
-#if (CONF_IS_DEFINED_SET (_POSIX_V6_ILP32_OFF32) \
- && CONF_IS_DEFINED_SET (_POSIX_V6_ILP32_OFFBIG))
-# define __LFS_CFLAGS "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
- /* Signal that we want the new ABI. */
- string = __LFS_CFLAGS;
- string_len = sizeof (__LFS_CFLAGS);
-#endif
- break;
-
- case _CS_LFS_LDFLAGS:
- case _CS_LFS_LIBS:
- /* No special libraries or linker flags needed. */
- break;
-
- case _CS_LFS64_CFLAGS:
- case _CS_LFS64_LINTFLAGS:
-#define __LFS64_CFLAGS "-D_LARGEFILE64_SOURCE"
- string = __LFS64_CFLAGS;
- string_len = sizeof (__LFS64_CFLAGS);
- break;
-
- case _CS_LFS64_LDFLAGS:
- case _CS_LFS64_LIBS:
- /* No special libraries or linker flags needed. */
- break;
-
- case _CS_XBS5_ILP32_OFF32_LIBS:
- case _CS_XBS5_ILP32_OFF32_LINTFLAGS:
- case _CS_XBS5_ILP32_OFFBIG_LIBS:
- case _CS_XBS5_ILP32_OFFBIG_LINTFLAGS:
- case _CS_XBS5_LP64_OFF64_LIBS:
- case _CS_XBS5_LP64_OFF64_LINTFLAGS:
- case _CS_XBS5_LPBIG_OFFBIG_CFLAGS:
- case _CS_XBS5_LPBIG_OFFBIG_LDFLAGS:
- case _CS_XBS5_LPBIG_OFFBIG_LIBS:
- case _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS:
-
- case _CS_POSIX_V6_ILP32_OFF32_LIBS:
- case _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS:
- case _CS_POSIX_V6_ILP32_OFFBIG_LIBS:
- case _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS:
- case _CS_POSIX_V6_LP64_OFF64_LIBS:
- case _CS_POSIX_V6_LP64_OFF64_LINTFLAGS:
- case _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS:
- case _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS:
- case _CS_POSIX_V6_LPBIG_OFFBIG_LIBS:
- case _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS:
-
- case _CS_POSIX_V7_ILP32_OFF32_LIBS:
- case _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS:
- case _CS_POSIX_V7_ILP32_OFFBIG_LIBS:
- case _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS:
- case _CS_POSIX_V7_LP64_OFF64_LIBS:
- case _CS_POSIX_V7_LP64_OFF64_LINTFLAGS:
- case _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS:
- case _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS:
- case _CS_POSIX_V7_LPBIG_OFFBIG_LIBS:
- case _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS:
- /* GNU libc does not require special actions to use LFS functions. */
- break;
-
- case _CS_GNU_LIBC_VERSION:
- string = "glibc " VERSION;
- string_len = sizeof ("glibc " VERSION);
- break;
-
- case _CS_GNU_LIBPTHREAD_VERSION:
-#ifdef LIBPTHREAD_VERSION
- string = LIBPTHREAD_VERSION;
- string_len = sizeof LIBPTHREAD_VERSION;
- break;
-#else
- /* No thread library. */
- __set_errno (EINVAL);
- return 0;
-#endif
-
- case _CS_V6_ENV:
- case _CS_V7_ENV:
- /* Maybe something else is needed in future. */
- string = "POSIXLY_CORRECT=1";
- string_len = sizeof ("POSIXLY_CORRECT=1");
- break;
-
- default:
- __set_errno (EINVAL);
- return 0;
- }
-
- if (len > 0 && buf != NULL)
- {
- if (string_len <= len)
- memcpy (buf, string, string_len);
- else
- {
- memcpy (buf, string, len - 1);
- buf[len - 1] = '\0';
- }
- }
- return string_len;
-}
-libc_hidden_def (confstr)
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-07-05 19:48:24 +0000