claunia/libcdio-osx
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All multiple-block reading routines now return success when asked to

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read 0 blocks and the lsn's are valid. Idea suggested by Peter J. Creath.
This commit is contained in:
rocky
2005-10-07 07:15:19 +00:00
parent 14811c97db
commit d12f4d6489
1 changed files with 11 additions and 2 deletions
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13
lib/driver/read.c
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@@ -1,5 +1,5 @@
/* /*
$Id: read.c,v 1.8 2005/10/07 00:06:45 rocky Exp $ $Id: read.c,v 1.9 2005/10/07 07:15:19 rocky Exp $
Copyright (C) 2005 Rocky Bernstein <rocky@panix.com> Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>
@@ -125,7 +125,7 @@ cdio_read_audio_sectors (const CdIo_t *p_cdio, void *p_buf, lsn_t i_lsn,
{ {
check_lsn_blocks(i_lsn, i_blocks); check_lsn_blocks(i_lsn, i_blocks);
if (i_blocks == 0) return DRIVER_OP_SUCCESS; if (0 == i_blocks) return DRIVER_OP_SUCCESS;
if (p_cdio->op.read_audio_sectors) if (p_cdio->op.read_audio_sectors)
return (p_cdio->op.read_audio_sectors) (p_cdio->env, p_buf, i_lsn, return (p_cdio->op.read_audio_sectors) (p_cdio->env, p_buf, i_lsn,
@@ -142,6 +142,9 @@ cdio_read_data_sectors (const CdIo_t *p_cdio, void *p_buf, lsn_t i_lsn,
uint16_t i_blocksize, uint32_t i_blocks) uint16_t i_blocksize, uint32_t i_blocks)
{ {
check_lsn(i_lsn); check_lsn(i_lsn);
if (0 == i_blocks) return DRIVER_OP_SUCCESS;
if (p_cdio->op.read_data_sectors) if (p_cdio->op.read_data_sectors)
return p_cdio->op.read_data_sectors (p_cdio->env, p_buf, i_lsn, return p_cdio->op.read_data_sectors (p_cdio->env, p_buf, i_lsn,
i_blocksize, i_blocks); i_blocksize, i_blocks);
@@ -194,6 +197,9 @@ cdio_read_mode1_sectors (const CdIo_t *p_cdio, void *p_buf, lsn_t i_lsn,
bool b_form2, uint32_t i_blocks) bool b_form2, uint32_t i_blocks)
{ {
check_lsn_blocks(i_lsn, i_blocks); check_lsn_blocks(i_lsn, i_blocks);
if (0 == i_blocks) return DRIVER_OP_SUCCESS;
if (p_cdio->op.read_mode1_sectors) if (p_cdio->op.read_mode1_sectors)
return (p_cdio->op.read_mode1_sectors) (p_cdio->env, p_buf, i_lsn, b_form2, return (p_cdio->op.read_mode1_sectors) (p_cdio->env, p_buf, i_lsn, b_form2,
i_blocks); i_blocks);
@@ -238,6 +244,9 @@ cdio_read_mode2_sectors (const CdIo_t *p_cdio, void *p_buf, lsn_t i_lsn,
bool b_form2, uint32_t i_blocks) bool b_form2, uint32_t i_blocks)
{ {
check_lsn_blocks(i_lsn, i_blocks); check_lsn_blocks(i_lsn, i_blocks);
if (0 == i_blocks) return DRIVER_OP_SUCCESS;
if (p_cdio->op.read_mode2_sectors) if (p_cdio->op.read_mode2_sectors)
return (p_cdio->op.read_mode2_sectors) (p_cdio->env, p_buf, i_lsn, return (p_cdio->op.read_mode2_sectors) (p_cdio->env, p_buf, i_lsn,
b_form2, i_blocks); b_form2, i_blocks);