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-rw-r--r--include/assert.h27
1 files changed, 25 insertions, 2 deletions
diff --git a/include/assert.h b/include/assert.h
index aef6cdf08..2612534cd 100644
--- a/include/assert.h
+++ b/include/assert.h
@@ -11,12 +11,35 @@
#else /* Not NDEBUG. */
-extern void __assert __P((const char *, const char *, int));
+extern void __assert __P((const char *, const char *, int, const char *));
#define assert(expr) \
((void) ((expr) || \
(__assert (__STRING(expr), \
- __FILE__, __LINE__), 0)))
+ __FILE__, __LINE__, __ASSERT_FUNCTION), 0)))
+
+
+/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
+ which contains the name of the function currently being defined.
+# define __ASSERT_FUNCTION __PRETTY_FUNCTION__
+ This is broken in G++ before version 2.6.
+ C9x has a similar variable called __func__, but prefer the GCC one since
+ it demangles C++ function names. */
+# ifdef __GNUC__
+# if __GNUC__ > 2 || (__GNUC__ == 2 \
+ && __GNUC_MINOR__ >= (defined __cplusplus ? 6 : 4))
+# define __ASSERT_FUNCTION __PRETTY_FUNCTION__
+# else
+# define __ASSERT_FUNCTION ((__const char *) 0)
+# endif
+# else
+# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+# define __ASSERT_FUNCTION __func__
+# else
+# define __ASSERT_FUNCTION ((__const char *) 0)
+# endif
+# endif
+
#endif /* NDEBUG. */