[Boost-commit] svn:boost r41416 - trunk/tools/jam/src

From: grafikrobot_at_[hidden]
Date: 2007-11-27 12:57:16

Author: grafik
Date: 2007-11-27 12:57:15 EST (Tue, 27 Nov 2007)
New Revision: 41416
URL: http://svn.boost.org/trac/boost/changeset/41416

Log:
Check empty string invariants, instead of assuming all strings are allocated. And reset strings when they are freed.
Text files modified: 
   trunk/tools/jam/src/strings.c |     9 +++++++++                               
   1 files changed, 9 insertions(+), 0 deletions(-)

Modified: trunk/tools/jam/src/strings.c
==============================================================================
--- trunk/tools/jam/src/strings.c	(original)
+++ trunk/tools/jam/src/strings.c	2007-11-27 12:57:15 EST (Tue, 27 Nov 2007)
@@ -16,6 +16,14 @@
 static void assert_invariants( string* self )
 {
     int i;
+
+    if ( self->value == 0 )
+    {
+        assert( self->size == 0 );
+        assert( self->capacity == 0 );
+        assert( self->opt[0] == 0 );
+        return;
+    }
     
     assert( self->size < self->capacity );
     assert( ( self->capacity <= sizeof(self->opt) ) == ( self->value == self->opt ) );
@@ -49,6 +57,7 @@
     assert_invariants( s );
     if ( s->value != s->opt )
         BJAM_FREE( s->value );
+    string_new( s );
 }
 
 static void string_reserve_internal( string* self, size_t capacity )