127 lines
4.1 KiB
C
127 lines
4.1 KiB
C
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/* - | Copyright | ------------------------------------------------------------
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Copyright (c) 2026 Randy Jordan
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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* --------------------------------------------------------------------------*/
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#ifndef CI2_ASSERT_H
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#define CI2_ASSERT_H
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#include <stdio.h>
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/* Force Inline */
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#if defined(_MSC_VER) || defined(__INTEL__LLVM_COMPILER)
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#define CI2_INLINE __forceinline
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#elif defined(__GNUC__) || defined(__clang__)
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#define CI2_INLINE __attribute__((always_inline)) inline
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#else
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#define CI2_INLINE inline
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#endif
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/* Use __has_builtin if available (Clang and newer GCC). */
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#if defined(__has_builtin)
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/* Check builtins in preferred order */
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#if __has_builtin(__builtin_debugtrap)
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#define CI2_DEBUG_TRAP() __builtin_debugtrap()
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#elif __has_builtin(__builtin_trap)
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#define CI2_DEBUG_TRAP() __builtin_trap()
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#elif __has_builtin(__builtin_break)
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#define CI2_DEBUG_TRAP() __builtin_break()
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#endif
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#elif defined(_MSC_VER) || defined(__INTEL__LLVM_COMPILER)
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#define CI2_DEBUG_TRAP() __debugbreak()
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#else
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#define CI2_DEBUG_TRAP() (*(volatile int*)0 = 0)
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#endif
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/* Static Asserts */
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
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/* C11 */
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#define CI2_STATIC_ASSERT(expr) _Static_assert((expr), #expr)
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#else
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/* Abuse a typedef of a negative-size array */
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#define CI2_STATIC_ASSERT(expr) typedef char _static_assert_[(expr) ? 1 : -1]
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#endif
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/* Current __func__ */
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#if defined(__FUNC__)
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#define CI2_FUNC __FUNCTION__
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#else
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#define CI2_FUNC __func__
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#endif
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/* Assert Fail */
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static CI2_INLINE void
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ci2_assert_fail(const char* expr,
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const char* msg, /* may be NULL */
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const char* file,
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int line,
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const char* func)
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{
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if (msg)
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fprintf(stderr,
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"\n[ASSERT FAILED]\n"
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" Expression : %s\n"
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" Message : %s\n"
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" Location : %s:%d\n"
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" Function : %s\n\n",
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expr,
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msg,
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file,
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line,
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func);
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else
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fprintf(stderr,
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"\n[ASSERT FAILED]\n"
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" Expression : %s\n"
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" Location : %s:%d\n"
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" Function : %s\n\n",
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expr,
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file,
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line,
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func);
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/* Flush so the message is visible before we halt */
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fflush(stderr);
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CI2_DEBUG_TRAP();
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}
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#ifndef NDEBUG
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#define CI2_ASSERT(expr) \
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do { \
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if (!(expr)) { \
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ci2_assert_fail(#expr, NULL, __FILE__, __LINE__, CI2_FUNC); \
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} \
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} while (0)
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#define CI2_ASSERT_MSG(expr, msg) \
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do { \
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if (!(expr)) { \
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ci2_assert_fail(#expr, (msg), __FILE__, __LINE__, CI2_FUNC); \
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} \
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} while (0)
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#else /* NDEBUG — strip all runtime checks */
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#define ASSERT(expr) ((void)(expr))
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#define ASSERT_MSG(expr, msg) ((void)(expr))
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#endif /* NDEBUG */
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#endif // ci2_assert.h
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