extern FT_Pointer ft_mem_debug_realloc( FT_Memory memory, FT_Long cur_size, FT_Long new_size, FT_Pointer block ) { FT_MemTable table = (FT_MemTable)memory->user; FT_MemNode node, *pnode; FT_Pointer new_block; const char* file_name = FT_FILENAME( table->file_name ); FT_Long line_no = table->line_no; /* the following is valid according to ANSI C */ #if 0 if ( block == NULL || cur_size == 0 ) ft_mem_debug_panic( "trying to reallocate NULL in (%s:%ld)", file_name, line_no ); #endif /* while the following is allowed in ANSI C also, we abort since */ /* such case should be handled by FreeType. */ if ( new_size <= 0 ) ft_mem_debug_panic( "trying to reallocate %p to size 0 (current is %ld) in (%s:%ld)", block, cur_size, file_name, line_no ); /* check `cur_size' value */ pnode = ft_mem_table_get_nodep( table, (FT_Byte*)block ); node = *pnode; if ( !node ) ft_mem_debug_panic( "trying to reallocate unknown block at %p in (%s:%ld)", block, file_name, line_no ); if ( node->size <= 0 ) ft_mem_debug_panic( "trying to reallocate freed block at %p in (%s:%ld)", block, file_name, line_no ); if ( node->size != cur_size ) ft_mem_debug_panic( "invalid ft_realloc request for %p. cur_size is " "%ld instead of %ld in (%s:%ld)", block, cur_size, node->size, file_name, line_no ); new_block = ft_mem_debug_alloc( memory, new_size ); if ( new_block == NULL ) return NULL; ft_memcpy( new_block, block, cur_size < new_size ? cur_size : new_size ); table->file_name = file_name; table->line_no = line_no; ft_mem_debug_free( memory, (FT_Byte*)block ); return new_block; }
extern FT_Pointer ft_mem_debug_realloc( FT_Memory memory, FT_Long cur_size, FT_Long new_size, FT_Pointer block ) { FT_MemTable table = (FT_MemTable)memory->user; FT_MemNode node, *pnode; FT_Pointer new_block; const char* file_name = FT_FILENAME( table->file_name ); FT_Long line_no = table->line_no; if ( block == NULL || cur_size == 0 ) ft_mem_debug_panic( "trying to reallocate NULL in (%s:%ld)", file_name, line_no ); if ( new_size <= 0 ) ft_mem_debug_panic( "trying to reallocate %p to size 0 (current is %ld) in (%s:%ld)", block, cur_size, file_name, line_no ); /* check 'cur_size' value */ pnode = ft_mem_table_get_nodep( table, (FT_Byte*)block ); node = *pnode; if ( !node ) ft_mem_debug_panic( "trying to reallocate unknown block at %p in (%s:%ld)", block, file_name, line_no ); if ( node->size <= 0 ) ft_mem_debug_panic( "trying to reallocate freed block at %p in (%s:%ld)", block, file_name, line_no ); if ( node->size != cur_size ) ft_mem_debug_panic( "invalid ft_realloc request for %p. cur_size is " "%ld instead of %ld in (%s:%ld)", block, cur_size, node->size, file_name, line_no ); new_block = ft_mem_debug_alloc( memory, new_size ); if ( new_block == NULL ) return NULL; ft_memcpy( new_block, block, cur_size < new_size ? cur_size : new_size ); table->file_name = file_name; table->line_no = line_no; ft_mem_debug_free( memory, (FT_Byte*)block ); return new_block; }