[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/posix/confstr.c b/ap/libc/glibc/glibc-2.22/posix/confstr.c
new file mode 100644
index 0000000..7271c5c
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/posix/confstr.c
@@ -0,0 +1,295 @@
+/* Copyright (C) 1991-2015 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 (name, buf, len)
+ 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)