Create local C library implementation (2/2)
- This change is split into two separate patches in order to
simplify the history as interpreted by 'git'. The split is
between the move/rename and addition of new files.
- Remove dependency on toolchain C library headers and functions in
order to ensure behavioural compatibility between toolchains.
- Use FreeBSD as reference for C library implementation.
- Do not let GCC use default library include paths.
- Remove unused definitions in modified headers and implementations.
- Move C library files to 'lib/stdlib' and 'include/stdlib'.
- Break std.c functions out into separate files.
Change-Id: I3e3d8d992052264d2a02489034ae4c03bf0f5512
diff --git a/include/stdlib/sys/limits.h b/include/stdlib/sys/limits.h
new file mode 100644
index 0000000..c56a337
--- /dev/null
+++ b/include/stdlib/sys/limits.h
@@ -0,0 +1,100 @@
+/*-
+ * Copyright (c) 1988, 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_LIMITS_H_
+#define _SYS_LIMITS_H_
+
+#include <sys/cdefs.h>
+#include <machine/_limits.h>
+
+#define CHAR_BIT __CHAR_BIT /* number of bits in a char */
+
+#define SCHAR_MAX __SCHAR_MAX /* max value for a signed char */
+#define SCHAR_MIN __SCHAR_MIN /* min value for a signed char */
+
+#define UCHAR_MAX __UCHAR_MAX /* max value for an unsigned char */
+
+#ifdef __CHAR_UNSIGNED__
+#define CHAR_MAX UCHAR_MAX /* max value for a char */
+#define CHAR_MIN 0 /* min value for a char */
+#else
+#define CHAR_MAX SCHAR_MAX
+#define CHAR_MIN SCHAR_MIN
+#endif
+
+#define USHRT_MAX __USHRT_MAX /* max value for an unsigned short */
+#define SHRT_MAX __SHRT_MAX /* max value for a short */
+#define SHRT_MIN __SHRT_MIN /* min value for a short */
+
+#define UINT_MAX __UINT_MAX /* max value for an unsigned int */
+#define INT_MAX __INT_MAX /* max value for an int */
+#define INT_MIN __INT_MIN /* min value for an int */
+
+#define ULONG_MAX __ULONG_MAX /* max for an unsigned long */
+#define LONG_MAX __LONG_MAX /* max for a long */
+#define LONG_MIN __LONG_MIN /* min for a long */
+
+#ifdef __LONG_LONG_SUPPORTED
+#define ULLONG_MAX __ULLONG_MAX /* max for an unsigned long long */
+#define LLONG_MAX __LLONG_MAX /* max for a long long */
+#define LLONG_MIN __LLONG_MIN /* min for a long long */
+#endif
+
+#if __POSIX_VISIBLE || __XSI_VISIBLE
+#define SSIZE_MAX __SSIZE_MAX /* max value for an ssize_t */
+#endif
+
+#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
+#define SIZE_T_MAX __SIZE_T_MAX /* max value for a size_t */
+
+#define OFF_MAX __OFF_MAX /* max value for an off_t */
+#define OFF_MIN __OFF_MIN /* min value for an off_t */
+#endif
+
+#if __BSD_VISIBLE
+#define GID_MAX UINT_MAX /* max value for a gid_t */
+#define UID_MAX UINT_MAX /* max value for a uid_t */
+
+#define UQUAD_MAX (__UQUAD_MAX) /* max value for a uquad_t */
+#define QUAD_MAX (__QUAD_MAX) /* max value for a quad_t */
+#define QUAD_MIN (__QUAD_MIN) /* min value for a quad_t */
+#endif
+
+#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
+#define LONG_BIT __LONG_BIT
+#define WORD_BIT __WORD_BIT
+#endif
+
+#if __POSIX_VISIBLE
+#define MQ_PRIO_MAX 64
+#endif
+
+#endif /* !_SYS_LIMITS_H_ */