170    png_charpp output_ptr; /* Array of pointers to output */  member
183    comp->output_ptr = NULL;  in png_text_compress()
250             if (comp->output_ptr != NULL)  in png_text_compress()
254                old_ptr = comp->output_ptr;  in png_text_compress()
255                comp->output_ptr = (png_charpp)png_malloc(png_ptr,  in png_text_compress()
258                png_memcpy(comp->output_ptr, old_ptr, old_max  in png_text_compress()
263                comp->output_ptr = (png_charpp)png_malloc(png_ptr,  in png_text_compress()
269          comp->output_ptr[comp->num_output_ptr] =  in png_text_compress()
272          png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf,  in png_text_compress()
301                if (comp->output_ptr != NULL)  in png_text_compress()
305                   old_ptr = comp->output_ptr;  in png_text_compress()
307                   comp->output_ptr = (png_charpp)png_malloc(png_ptr,  in png_text_compress()
310                   png_memcpy(comp->output_ptr, old_ptr,  in png_text_compress()
315                   comp->output_ptr = (png_charpp)png_malloc(png_ptr,  in png_text_compress()
321             comp->output_ptr[comp->num_output_ptr] =  in png_text_compress()
324             png_memcpy(comp->output_ptr[comp->num_output_ptr], png_ptr->zbuf,  in png_text_compress()
368       png_write_chunk_data(png_ptr, (png_bytep)comp->output_ptr[i],  in png_write_compressed_data_out()
370       png_free(png_ptr, comp->output_ptr[i]);  in png_write_compressed_data_out()
371        comp->output_ptr[i]=NULL;  in png_write_compressed_data_out()
374       png_free(png_ptr, comp->output_ptr);  in png_write_compressed_data_out()
375        comp->output_ptr=NULL;  in png_write_compressed_data_out()
784    comp.output_ptr = NULL;  in png_write_iCCP()
1407    comp.output_ptr = NULL;  in png_write_zTXt()
1468    comp.output_ptr = NULL;  in png_write_iTXt()