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authornil <niljo@airmail.cc>2025-01-14 20:16:17 +0100
committernil <niljo@airmail.cc>2025-01-14 20:16:17 +0100
commit9cd3e10283ea0c6cc997afc5353c0f314b3aa092 (patch)
tree4aa0ae912633a0f3e7a7d1405469bb7009cef1ba /.ccls-cache/@@home@niliara@configs/@usr@lib@clang@18@include@limits.h
parent23a62d70129db30027ba620fc798a666c198ba35 (diff)
changing host repositorymain
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+/*===---- limits.h - Standard header for integer sizes --------------------===*\
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+\*===----------------------------------------------------------------------===*/
+
+#ifndef __CLANG_LIMITS_H
+#define __CLANG_LIMITS_H
+
+/* The system's limits.h may, in turn, try to #include_next GCC's limits.h.
+ Avert this #include_next madness. */
+#if defined __GNUC__ && !defined _GCC_LIMITS_H_
+#define _GCC_LIMITS_H_
+#endif
+
+/* System headers include a number of constants from POSIX in <limits.h>.
+ Include it if we're hosted. */
+#if __STDC_HOSTED__ && __has_include_next(<limits.h>)
+#include_next <limits.h>
+#endif
+
+/* Many system headers try to "help us out" by defining these. No really, we
+ know how big each datatype is. */
+#undef SCHAR_MIN
+#undef SCHAR_MAX
+#undef UCHAR_MAX
+#undef SHRT_MIN
+#undef SHRT_MAX
+#undef USHRT_MAX
+#undef INT_MIN
+#undef INT_MAX
+#undef UINT_MAX
+#undef LONG_MIN
+#undef LONG_MAX
+#undef ULONG_MAX
+
+#undef CHAR_BIT
+#undef CHAR_MIN
+#undef CHAR_MAX
+
+/* C90/99 5.2.4.2.1 */
+#define SCHAR_MAX __SCHAR_MAX__
+#define SHRT_MAX __SHRT_MAX__
+#define INT_MAX __INT_MAX__
+#define LONG_MAX __LONG_MAX__
+
+#define SCHAR_MIN (-__SCHAR_MAX__-1)
+#define SHRT_MIN (-__SHRT_MAX__ -1)
+#define INT_MIN (-__INT_MAX__ -1)
+#define LONG_MIN (-__LONG_MAX__ -1L)
+
+#define UCHAR_MAX (__SCHAR_MAX__*2 +1)
+#if __SHRT_WIDTH__ < __INT_WIDTH__
+#define USHRT_MAX (__SHRT_MAX__ * 2 + 1)
+#else
+#define USHRT_MAX (__SHRT_MAX__ * 2U + 1U)
+#endif
+#define UINT_MAX (__INT_MAX__ *2U +1U)
+#define ULONG_MAX (__LONG_MAX__ *2UL+1UL)
+
+#ifndef MB_LEN_MAX
+#define MB_LEN_MAX 1
+#endif
+
+#define CHAR_BIT __CHAR_BIT__
+
+/* C23 5.2.4.2.1 */
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L
+#define BOOL_WIDTH __BOOL_WIDTH__
+#define CHAR_WIDTH CHAR_BIT
+#define SCHAR_WIDTH CHAR_BIT
+#define UCHAR_WIDTH CHAR_BIT
+#define USHRT_WIDTH __SHRT_WIDTH__
+#define SHRT_WIDTH __SHRT_WIDTH__
+#define UINT_WIDTH __INT_WIDTH__
+#define INT_WIDTH __INT_WIDTH__
+#define ULONG_WIDTH __LONG_WIDTH__
+#define LONG_WIDTH __LONG_WIDTH__
+#define ULLONG_WIDTH __LLONG_WIDTH__
+#define LLONG_WIDTH __LLONG_WIDTH__
+
+#define BITINT_MAXWIDTH __BITINT_MAXWIDTH__
+#endif
+
+#ifdef __CHAR_UNSIGNED__ /* -funsigned-char */
+#define CHAR_MIN 0
+#define CHAR_MAX UCHAR_MAX
+#else
+#define CHAR_MIN SCHAR_MIN
+#define CHAR_MAX __SCHAR_MAX__
+#endif
+
+/* C99 5.2.4.2.1: Added long long.
+ C++11 18.3.3.2: same contents as the Standard C Library header <limits.h>.
+ */
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
+ (defined(__cplusplus) && __cplusplus >= 201103L)
+
+#undef LLONG_MIN
+#undef LLONG_MAX
+#undef ULLONG_MAX
+
+#define LLONG_MAX __LONG_LONG_MAX__
+#define LLONG_MIN (-__LONG_LONG_MAX__-1LL)
+#define ULLONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL)
+#endif
+
+/* LONG_LONG_MIN/LONG_LONG_MAX/ULONG_LONG_MAX are a GNU extension. It's too bad
+ that we don't have something like #pragma poison that could be used to
+ deprecate a macro - the code should just use LLONG_MAX and friends.
+ */
+#if defined(__GNU_LIBRARY__) ? defined(__USE_GNU) : !defined(__STRICT_ANSI__)
+
+#undef LONG_LONG_MIN
+#undef LONG_LONG_MAX
+#undef ULONG_LONG_MAX
+
+#define LONG_LONG_MAX __LONG_LONG_MAX__
+#define LONG_LONG_MIN (-__LONG_LONG_MAX__-1LL)
+#define ULONG_LONG_MAX (__LONG_LONG_MAX__*2ULL+1ULL)
+#endif
+
+#endif /* __CLANG_LIMITS_H */