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updating debug manager

This commit is contained in:
David Turner 2001-10-22 20:15:29 +00:00
parent 88cdbb34a2
commit 8dc0fb855e
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 */ /* FreeType now comes with an integrated memory debugger that is */
/* capable of detecting simple errors like memory leaks or double */ /* capable of detecting simple errors like memory leaks or double */
/* deletes. You should define the FT_DEBUG_MEMORY macro to enable */ /* deletes. To compile it within your build of the library, you should */
/* it.. */ /* define FT_DEBUG_MEMORY here. */
/* */ /* */
/* beware that when the debugging memory allocator is used, FreeType */ /* note that the memory debugger is only activated at runtime when */
/* will use a _lot_ more memory. You should always ensure that this */ /* when the _environment_ variable "FT_DEBUG_MEMORY" is also defined ! */
/* macro is undefined in release or testing builds.. */
/* */ /* */
#define FT_DEBUG_MEMORY #define FT_DEBUG_MEMORY

32
src/base/ftdbgmem.c
View File

@ -39,6 +39,7 @@
FT_ULong alloc_total; FT_ULong alloc_total;
FT_ULong alloc_current; FT_ULong alloc_current;
FT_ULong alloc_max;
const char* file_name; const char* file_name;
FT_Long line_no; FT_Long line_no;
@ -167,7 +168,6 @@
} }
static FT_MemTable static FT_MemTable
ft_mem_table_new( void ) ft_mem_table_new( void )
{ {
@ -242,11 +242,14 @@
table->size = 0; table->size = 0;
table->nodes = 0; table->nodes = 0;
free( table ); 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 ) 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 ); 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_total += size;
table->alloc_current += size; table->alloc_current += size;
if ( table->alloc_current > table->alloc_max )
table->alloc_max = table->alloc_current;
if ( table->nodes*3 < table->size || if ( table->nodes*3 < table->size ||
table->size *3 < table->nodes ) table->size *3 < table->nodes )
@ -446,15 +451,18 @@
{ {
FT_MemTable table; FT_MemTable table;
FT_Int result = 0; FT_Int result = 0;
table = ft_mem_table_new(); if ( getenv( "FT_DEBUG_MEMORY") )
if ( table ) {
{ table = ft_mem_table_new();
memory->user = table; if ( table )
memory->alloc = ft_mem_debug_alloc; {
memory->realloc = ft_mem_debug_realloc; memory->user = table;
memory->free = ft_mem_debug_free; memory->alloc = ft_mem_debug_alloc;
result = 1; memory->realloc = ft_mem_debug_realloc;
memory->free = ft_mem_debug_free;
result = 1;
}
} }
return result; return result;
} }