claunia/libcdio-osx
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Check that we can find data source and give error when we can't

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rocky
2011-11-25 09:50:27 +01:00
parent 401efe4e68
commit 9c84c2b7b3
1 changed files with 12 additions and 1 deletions
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13
lib/driver/image/cdrdao.c
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@@ -77,7 +77,8 @@ check_track_is_blocksize_multiple(const char *psz_fname,
{
if (i_size % i_blocksize) {
cdio_info ("image %s track %d size (%ld) not a multiple"
" of the blocksize (%ld)", psz_fname, i_track, i_size,
" of the blocksize (%ld)",
psz_fname ? psz_fname : "unknown??", i_track, i_size,
(long int) i_blocksize);
if (i_size % M2RAW_SECTOR_SIZE == 0)
cdio_info ("this may be a 2336-type disc image");
@@ -240,8 +241,18 @@ get_disc_last_lsn_cdrdao (void *p_user_data)
if (p_env->tocent[i_leadout-1].sec_count) {
i_size = p_env->tocent[i_leadout-1].sec_count;
} else {
if (NULL == p_env->tocent[i_leadout-1].data_source) {
cdio_error ("Data source for image %s is null",
p_env->gen.source_name);
return -1;
}
i_size = cdio_stream_stat(p_env->tocent[i_leadout-1].data_source)
- p_env->tocent[i_leadout-1].offset;
if (i_size < 0) {
cdio_error ("Can't get file information for data souce for image %s",
p_env->gen.source_name);
return i_size;
}
if (check_track_is_blocksize_multiple(p_env->tocent[i_leadout-1].filename,
i_leadout-1, i_size, i_blocksize)) {
i_size /= i_blocksize;