92 #  define pngtest_debug(m)        ((void)fprintf(stderr, m "\n"))  macro
96 #  define pngtest_debug(m)        ((void)0)  macro
895    pngtest_debug("Allocating read and write structures");  in test_one_file()
919    pngtest_debug("Allocating read_info, write_info and end_info structures");  in test_one_file()
934    pngtest_debug("Setting jmpbuf for read struct");  in test_one_file()
955    pngtest_debug("Setting jmpbuf for write struct");  in test_one_file()
1011    pngtest_debug("Initializing input and output streams");  in test_one_file()
1072    pngtest_debug("Reading info struct");  in test_one_file()
1084    pngtest_debug("Transferring info struct");  in test_one_file()
1411    pngtest_debug("Writing info struct");  in test_one_file()
1435    pngtest_debug("Allocating row buffer...");  in test_one_file()
1441    pngtest_debug("Writing row data");  in test_one_file()
1530    pngtest_debug("Reading and writing end_info data");  in test_one_file()
1655    pngtest_debug("Destroying data structs");  in test_one_file()
1657    pngtest_debug("destroying row_buf for read_ptr");  in test_one_file()
1661    pngtest_debug("destroying read_ptr, read_info_ptr, end_info_ptr");  in test_one_file()
1664    pngtest_debug("destroying write_end_info_ptr");  in test_one_file()
1666    pngtest_debug("destroying write_ptr, write_info_ptr");  in test_one_file()
1669    pngtest_debug("Destruction complete.");  in test_one_file()
1708    pngtest_debug("Opening files for comparison");  in test_one_file()