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Expensive check declaration

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Intended to be run at every operation with complex data structures
to check their consistency and validity.
This commit is contained in:
Maria Matejka 2019-08-14 16:22:39 +02:00
parent a4ee61b66d
commit 2e6bc86beb
2 changed files with 20 additions and 0 deletions
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13
configure.ac
View File

@ -18,6 +18,12 @@ AC_ARG_ENABLE([debug],
[enable_debug=no]
)
AC_ARG_ENABLE([debug-expensive],
[AS_HELP_STRING([--enable-debug-expensive], [enable expensive consistency checks (implies --enable-debug) @<:@no@:>@])],
[],
[enable_debug_expensive=no]
)
AC_ARG_ENABLE([memcheck],
[AS_HELP_STRING([--enable-memcheck], [check memory allocations when debugging @<:@yes@:>@])],
[],
@ -68,6 +74,9 @@ AC_ARG_VAR([FLEX], [location of the Flex program])
AC_ARG_VAR([BISON], [location of the Bison program])
AC_ARG_VAR([M4], [location of the M4 program])
if test "$enable_debug_expensive" = yes; then
enable_debug=yes
fi
if test "$srcdir" = . ; then
# Building in current directory => create obj directory holding all objects
@ -336,6 +345,10 @@ if test "$enable_debug" = yes ; then
AC_CHECK_LIB([efence], [malloc])
fi
fi
if test "enable_debug_expensive" = yes ; then
AC_DEFINE([ENABLE_EXPENSIVE_CHECKS], [1], [Define to 1 if you want to run expensive consistency checks.])
fi
fi
CLIENT=birdcl

7
lib/birdlib.h
View File

@ -161,15 +161,22 @@ void debug(const char *msg, ...); /* Printf to debug output */
#define ASSERT_DIE(x) do { if (!(x)) bug("Assertion '%s' failed at %s:%d", #x, __FILE__, __LINE__); } while(0)
#define EXPENSIVE_CHECK(x) /* intentionally left blank */
#ifdef DEBUGGING
#define ASSERT(x) ASSERT_DIE(x)
#define ASSUME(x) ASSERT_DIE(x)
#ifdef ENABLE_EXPENSIVE_CHECKS
#undef EXPENSIVE_CHECK
#define EXPENSIVE_CHECK(x) ASSERT_DIE(x)
#endif
#else
#define ASSERT(x) do { if (!(x)) log(L_BUG "Assertion '%s' failed at %s:%d", #x, __FILE__, __LINE__); } while(0)
#define ASSUME(x) /* intentionally left blank */
#endif
/* Pseudorandom numbers */
u32 random_u32(void);