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Pad SVD attributes with " " to ensure Joliet compliance.

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This commit is contained in:
Vreixo Formoso
2008-01-08 22:16:55 +01:00
parent 41472e66b7
commit ba681a2601
1 changed files with 37 additions and 19 deletions
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56
src/joliet.c
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@ -464,6 +464,34 @@ void write_one_dir_record(Ecma119Image *t, JolietNode *node, int file_id,
rec->len_fi[0] = len_fi;
}
/**
* Copy up to \p max characters from \p src to \p dest. If \p src has less than
* \p max characters, we pad dest with " " characters.
*/
static
void ucsncpy_pad(uint16_t *dest, const uint16_t *src, size_t max)
{
char *cdest, *csrc;
size_t len, i;
cdest = (char*)dest;
csrc = (char*)src;
if (src != NULL) {
len = MIN(ucslen(src) * 2, max);
} else {
len = 0;
}
for (i = 0; i < len; ++i)
cdest[i] = csrc[i];
for (i = len; i < max; i += 2) {
cdest[i] = '\0';
cdest[i + 1] = ' ';
}
}
static
int joliet_writer_write_vol_desc(IsoImageWriter *writer)
{
@ -501,9 +529,7 @@ int joliet_writer_write_vol_desc(IsoImageWriter *writer)
vol.vol_desc_type[0] = 2;
memcpy(vol.std_identifier, "CD001", 5);
vol.vol_desc_version[0] = 1;
if (vol_id) {
ucsncpy((uint16_t*)vol.volume_id, vol_id, 32);
}
ucsncpy_pad((uint16_t*)vol.volume_id, vol_id, 32);
/* make use of UCS-2 Level 3 */
memcpy(vol.esc_sequences, "%/E", 3);
@ -518,24 +544,16 @@ int joliet_writer_write_vol_desc(IsoImageWriter *writer)
write_one_dir_record(t, t->joliet_root, 0, vol.root_dir_record, 1);
if (volset_id)
ucsncpy((uint16_t*)vol.vol_set_id, volset_id, 128);
if (pub_id)
ucsncpy((uint16_t*)vol.publisher_id, pub_id, 128);
if (data_id)
ucsncpy((uint16_t*)vol.data_prep_id, data_id, 128);
ucsncpy_pad((uint16_t*)vol.vol_set_id, volset_id, 128);
ucsncpy_pad((uint16_t*)vol.publisher_id, pub_id, 128);
ucsncpy_pad((uint16_t*)vol.data_prep_id, data_id, 128);
if (system_id)
ucsncpy((uint16_t*)vol.system_id, system_id, 32);
ucsncpy_pad((uint16_t*)vol.system_id, system_id, 32);
if (application_id)
ucsncpy((uint16_t*)vol.application_id, application_id, 128);
if (copyright_file_id)
ucsncpy((uint16_t*)vol.copyright_file_id, copyright_file_id, 37);
if (abstract_file_id)
ucsncpy((uint16_t*)vol.abstract_file_id, abstract_file_id, 37);
if (biblio_file_id)
ucsncpy((uint16_t*)vol.bibliographic_file_id, biblio_file_id, 37);
ucsncpy_pad((uint16_t*)vol.application_id, application_id, 128);
ucsncpy_pad((uint16_t*)vol.copyright_file_id, copyright_file_id, 37);
ucsncpy_pad((uint16_t*)vol.abstract_file_id, abstract_file_id, 37);
ucsncpy_pad((uint16_t*)vol.bibliographic_file_id, biblio_file_id, 37);
iso_datetime_17(vol.vol_creation_time, t->now);
iso_datetime_17(vol.vol_modification_time, t->now);