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updating debug manager

This commit is contained in:
David Turner 2001-10-22 20:15:29 +00:00
parent 1a5b515ca8
commit 63fbd8644a
2 changed files with 24 additions and 17 deletions
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9
include/freetype/config/ftoption.h
View File

@ -236,12 +236,11 @@ FT_BEGIN_HEADER
/* */
/* FreeType now comes with an integrated memory debugger that is */
/* capable of detecting simple errors like memory leaks or double */
/* deletes. You should define the FT_DEBUG_MEMORY macro to enable */
/* it.. */
/* deletes. To compile it within your build of the library, you should */
/* define FT_DEBUG_MEMORY here. */
/* */
/* beware that when the debugging memory allocator is used, FreeType */
/* will use a _lot_ more memory. You should always ensure that this */
/* macro is undefined in release or testing builds.. */
/* note that the memory debugger is only activated at runtime when */
/* when the _environment_ variable "FT_DEBUG_MEMORY" is also defined ! */
/* */
#define FT_DEBUG_MEMORY

32
src/base/ftdbgmem.c
View File

@ -39,6 +39,7 @@
FT_ULong alloc_total;
FT_ULong alloc_current;
FT_ULong alloc_max;
const char* file_name;
FT_Long line_no;
@ -167,7 +168,6 @@
}
static FT_MemTable
ft_mem_table_new( void )
{
@ -242,11 +242,14 @@
table->size = 0;
table->nodes = 0;
free( table );
printf( "FreeType: total memory allocations = %ld\n", table->alloc_total );
printf( "FreeType: maximum memory footprint = %ld\n", table->alloc_max );
if ( leak_count > 0 )
ft_mem_debug_panic( "%ld bytes of memory leaked in %ld blocks\n",
ft_mem_debug_panic( "FreeType: %ld bytes of memory leaked in %ld blocks\n",
leaks, leak_count );
printf( "no FreeType memory leaks detected !!\n" );
printf( "FreeType: no memory leaks detected !!\n" );
}
}
@ -325,6 +328,8 @@
table->alloc_total += size;
table->alloc_current += size;
if ( table->alloc_current > table->alloc_max )
table->alloc_max = table->alloc_current;
if ( table->nodes*3 < table->size ||
table->size *3 < table->nodes )
@ -446,15 +451,18 @@
{
FT_MemTable table;
FT_Int result = 0;
table = ft_mem_table_new();
if ( table )
{
memory->user = table;
memory->alloc = ft_mem_debug_alloc;
memory->realloc = ft_mem_debug_realloc;
memory->free = ft_mem_debug_free;
result = 1;
if ( getenv( "FT_DEBUG_MEMORY") )
{
table = ft_mem_table_new();
if ( table )
{
memory->user = table;
memory->alloc = ft_mem_debug_alloc;
memory->realloc = ft_mem_debug_realloc;
memory->free = ft_mem_debug_free;
result = 1;
}
}
return result;
}