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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /intl/icu/source/common/uassert.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/icu/source/common/uassert.h')
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+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+******************************************************************************
+*
+* Copyright (C) 2002-2011, International Business Machines
+* Corporation and others. All Rights Reserved.
+*
+******************************************************************************
+*
+* File uassert.h
+*
+* Contains the U_ASSERT and UPRV_UNREACHABLE_* macros
+*
+******************************************************************************
+*/
+#ifndef U_ASSERT_H
+#define U_ASSERT_H
+
+/* utypes.h is included to get the proper define for uint8_t */
+#include "unicode/utypes.h"
+/* for abort */
+#include <stdlib.h>
+
+/**
+ * \def U_ASSERT
+ * By default, U_ASSERT just wraps the C library assert macro.
+ * By changing the definition here, the assert behavior for ICU can be changed
+ * without affecting other non - ICU uses of the C library assert().
+*/
+#if U_DEBUG
+# include <assert.h>
+# define U_ASSERT(exp) assert(exp)
+#elif U_CPLUSPLUS_VERSION
+# define U_ASSERT(exp) (void)0
+#else
+# define U_ASSERT(exp)
+#endif
+
+/**
+ * \def UPRV_UNREACHABLE_ASSERT
+ * This macro is used in places that we had believed were unreachable, but
+ * experience has shown otherwise (possibly due to memory corruption, etc).
+ * In this case we call assert() in debug versions as with U_ASSERT, instead
+ * of unconditionally calling abort(). However we also allow redefinition as
+ * with UPRV_UNREACHABLE_EXIT.
+ * @internal
+*/
+#if defined(UPRV_UNREACHABLE_ASSERT)
+ // Use the predefined value.
+#elif U_DEBUG
+# include <assert.h>
+# define UPRV_UNREACHABLE_ASSERT assert(false)
+#elif U_CPLUSPLUS_VERSION
+# define UPRV_UNREACHABLE_ASSERT (void)0
+#else
+# define UPRV_UNREACHABLE_ASSERT
+#endif
+
+/**
+ * \def UPRV_UNREACHABLE_EXIT
+ * This macro is used to unconditionally abort if unreachable code is ever executed.
+ * @internal
+*/
+#if defined(UPRV_UNREACHABLE_EXIT)
+ // Use the predefined value.
+#else
+# define UPRV_UNREACHABLE_EXIT abort()
+#endif
+
+#endif