2004-11-24 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* zassert.h: New header file to declare a quagga-specific assert macro.
* log.c: (_zlog_assert_failed) New function called when assert fails
to log the error and abort.
* zebra.h: Include "zassert.h" instead of <assert.h>.
* regex.c: Include "zassert.h" instead of <assert.h>.
* dict.c: Include "zassert.h" instead of <assert.h>.
diff --git a/lib/zassert.h b/lib/zassert.h
new file mode 100644
index 0000000..77ebf5d
--- /dev/null
+++ b/lib/zassert.h
@@ -0,0 +1,23 @@
+#ifndef _QUAGGA_ASSERT_H
+#define _QUAGGA_ASSERT_H
+
+extern void _zlog_assert_failed (const char *assertion, const char *file,
+ unsigned int line, const char *function)
+ __attribute__ ((noreturn));
+
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+#define __ASSERT_FUNCTION __func__
+#elif defined(__GNUC__)
+#define __ASSERT_FUNCTION __FUNCTION__
+#else
+#define __ASSERT_FUNCTION NULL
+#endif
+
+#define zassert(EX) ((void)((EX) ? 0 : \
+ (_zlog_assert_failed(#EX, __FILE__, __LINE__, \
+ __ASSERT_FUNCTION), 0)))
+
+#undef assert
+#define assert(EX) zassert(EX)
+
+#endif /* _QUAGGA_ASSERT_H */