static void test_close_or_die (SF_PRIVATE *psf, int linenum) { psf_fclose (psf) ; if (psf_file_valid (psf)) { printf ("\n\nLine %d: psf->file.filedes should not be valid.\n\n", linenum) ; exit (1) ; } ; } /* test_close_or_die */
int sd2_open (SF_PRIVATE *psf) { int subformat, error = 0, valid ; /* SD2 is always big endian. */ psf->endian = SF_ENDIAN_BIG ; if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->rsrclength > 0)) { psf_use_rsrc (psf, SF_TRUE) ; valid = psf_file_valid (psf) ; psf_use_rsrc (psf, SF_FALSE) ; if (! valid) { psf_log_printf (psf, "sd2_open : psf->rsrc.filedes < 0\n") ; return SFE_SD2_BAD_RSRC ; } ; error = sd2_parse_rsrc_fork (psf) ; if (error) goto error_cleanup ; } ; if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_SD2) { error = SFE_BAD_OPEN_FORMAT ; goto error_cleanup ; } ; subformat = SF_CODEC (psf->sf.format) ; psf->dataoffset = 0 ; /* Only open and write the resource in RDWR mode is its current length is zero. */ if (psf->file.mode == SFM_WRITE || (psf->file.mode == SFM_RDWR && psf->rsrclength == 0)) { psf->rsrc.mode = psf->file.mode ; psf_open_rsrc (psf) ; error = sd2_write_rsrc_fork (psf, SF_FALSE) ; if (error) goto error_cleanup ; /* Not needed. */ psf->write_header = NULL ; } ; psf->container_close = sd2_close ; psf->blockwidth = psf->bytewidth * psf->sf.channels ; switch (subformat) { case SF_FORMAT_PCM_S8 : /* 8-bit linear PCM. */ case SF_FORMAT_PCM_16 : /* 16-bit linear PCM. */ case SF_FORMAT_PCM_24 : /* 24-bit linear PCM */ case SF_FORMAT_PCM_32 : /* 32-bit linear PCM */ error = pcm_init (psf) ; break ; default : error = SFE_UNIMPLEMENTED ; break ; } ; psf_fseek (psf, psf->dataoffset, SEEK_SET) ; error_cleanup: /* Close the resource fork regardless. We won't need it again. */ psf_close_rsrc (psf) ; return error ; } /* sd2_open */