static void update_seek_double_test (const char *filename, int filetype) { SNDFILE *outfile, *infile ; SF_INFO sfinfo ; sf_count_t frames ; double buffer [8] ; int k ; print_test_name ("update_seek_double_test", filename) ; memset (buffer, 0, sizeof (buffer)) ; /* Create sound outfile with no data. */ sfinfo.format = filetype | SF_FORMAT_DOUBLE ; sfinfo.samplerate = 48000 ; sfinfo.channels = 2 ; if (sf_format_check (&sfinfo) == SF_FALSE) sfinfo.channels = 1 ; outfile = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ; sf_close (outfile) ; /* Open again for read/write. */ outfile = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, SF_TRUE, __LINE__) ; /* ** In auto header update mode, seeking to the end of the file with ** SEEK_SET will fail from the 2nd seek on. seeking to 0, SEEK_END ** will seek to 0 anyway */ if (sf_command (outfile, SFC_SET_UPDATE_HEADER_AUTO, NULL, SF_TRUE) == 0) { printf ("\n\nError : sf_command (SFC_SET_UPDATE_HEADER_AUTO) return error : %s\n\n", sf_strerror (outfile)) ; exit (1) ; } ; /* Now write some frames. */ frames = ARRAY_LEN (buffer) / sfinfo.channels ; for (k = 0 ; k < 6 ; k++) { test_seek_or_die (outfile, k * frames, SEEK_SET, k * frames, sfinfo.channels, __LINE__) ; test_seek_or_die (outfile, 0, SEEK_END, k * frames, sfinfo.channels, __LINE__) ; /* Open file again and make sure no errors in log buffer. */ infile = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ; check_log_buffer_or_die (infile, __LINE__) ; sf_close (infile) ; if (sfinfo.frames != k * frames) { printf ("\n\nLine %d : Incorrect sample count (%ld should be %ld)\n", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames), SF_COUNT_TO_LONG (k + frames)) ; dump_log_buffer (infile) ; exit (1) ; } ; if ((k & 1) == 0) test_write_double_or_die (outfile, k, buffer, sfinfo.channels * frames, __LINE__) ; else test_writef_double_or_die (outfile, k, buffer, frames, __LINE__) ; } ; sf_close (outfile) ; unlink (filename) ; puts ("ok") ; return ; } /* update_seek_double_test */
static void useek_pipe_rw_double (const char * ext, SF_INFO * psfinfo_write, SF_INFO * psfinfo_read) { static double buffer [PIPE_TEST_LEN] ; static double data [PIPE_TEST_LEN] ; SNDFILE *outfile ; SNDFILE *infile_piped ; int k, status = 0 ; int pipefd [2] ; pid_t pida ; for (k = 0 ; k < PIPE_TEST_LEN ; k++) data [k] = PIPE_INDEX (k) ; /* ** Create the pipe. */ pipe (pipefd) ; /* ** Attach the write end of the pipe to be written to. */ if ((outfile = sf_open_fd (pipefd [1], SFM_WRITE, psfinfo_write, SF_TRUE)) == NULL) { printf ("\n\n%s %d : unable to create unseekable pipe for write type \"%s\".\n", __func__, __LINE__, ext) ; printf ("\t%s\n\n", sf_strerror (outfile)) ; exit (1) ; } ; if (sf_error (outfile) != SF_ERR_NO_ERROR) { printf ("\n\n%s %d : unable to open unseekable pipe for write type \"%s\".\n\n", __func__, __LINE__, ext) ; exit (1) ; } ; /* ** Attach the read end of the pipe to be read from. */ if ((infile_piped = sf_open_fd (pipefd [0], SFM_READ, psfinfo_read, SF_TRUE)) == NULL) { printf ("\n\n%s %d : unable to create unseekable pipe for read type. \"%s\".\n\n", __func__, __LINE__, ext) ; exit (1) ; } ; if (sf_error (infile_piped) != SF_ERR_NO_ERROR) { printf ("\n\n%s %d : unable to open unseekable pipe for read type \"%s\".\n\n", __func__, __LINE__, ext) ; exit (1) ; } ; /* Fork a child process that will write directly into the pipe. */ if ((pida = fork ()) == 0) /* child process */ { test_writef_double_or_die (outfile, 0, data, PIPE_TEST_LEN, __LINE__) ; exit (0) ; } ; /* In the parent process, read from the pipe and compare what is read ** to what is written, if they match everything went as planned. */ test_readf_double_or_die (infile_piped, 0, buffer, PIPE_TEST_LEN, __LINE__) ; if (memcmp (buffer, data, sizeof (buffer)) != 0) { printf ("\n\n%s %d : unseekable pipe test failed for file type \"%s\".\n\n", __func__, __LINE__, ext) ; exit (1) ; } ; /* Wait for the child process to return. */ waitpid (pida, &status, 0) ; status = WEXITSTATUS (status) ; sf_close (outfile) ; sf_close (infile_piped) ; if (status != 0) { printf ("\n\n%s %d : status of child process is %d for file type %s.\n\n", __func__, __LINE__, status, ext) ; exit (1) ; } ; return ; } /* useek_pipe_rw_double */