Add the sqlite3_memdebug_title_count global variable, used during debugging

to count the number of invocations of test_memdebug_settitle.  By examining
this variable in the debugger after a segfault, one can then set a breakpoint
on test_memdebug_settitle that will fire just before the problem.

FossilOrigin-Name: 27e3ca3e0f1da54e3527704a8601bb9003b086bf

1 files changed, 7 insertions, 0 deletions

diff --git a/src/test_malloc.c b/src/test_malloc.c
index 900a8ac40..b937cea7c 100644
--- a/src/test_malloc.c
+++ b/src/test_malloc.c
@@ -696,6 +696,12 @@ static int test_memdebug_pending(
   return TCL_OK;
 }
 
+/*
+** The following global variable keeps track of the number of tests
+** that have run.  This variable is only useful when running in the
+** debugger.
+*/
+static int sqlite3_memdebug_title_count = 0;
 
 /*
 ** Usage:    sqlite3_memdebug_settitle TITLE
@@ -713,6 +719,7 @@ static int test_memdebug_settitle(
   int objc,
   Tcl_Obj *CONST objv[]
 ){
+  sqlite3_memdebug_title_count++;
   if( objc!=2 ){
     Tcl_WrongNumArgs(interp, 1, objv, "TITLE");
     return TCL_ERROR;