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New API call iso_file_make_md5() to equip old file nodes with MD5.

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This commit is contained in:
Thomas Schmitt
2009-08-22 19:38:07 +02:00
parent cadd77776b
commit 3f918d1acb
9 changed files with 282 additions and 94 deletions
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45
libisofs/node.c
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@ -2678,6 +2678,14 @@ int iso_file_get_md5(IsoImage *image, IsoFile *file, char md5[16], int flag)
size_t value_len;
char *value = NULL;
uint32_t idx = 0;
void *xipt;
/* xinfo MD5 overrides everything else */
ret = iso_node_get_xinfo((IsoNode *) file, checksum_md5_xinfo_func, &xipt);
if (ret == 1) {
memcpy(md5, (char *) xipt, 16);
return 1;
}
if (image->checksum_array == NULL)
return 0;
@ -2714,3 +2722,40 @@ ex:;
}
/* API */
int iso_file_make_md5(IsoFile *file, int flag)
{
#ifdef Libisofs_with_checksumS
int ret, dig = 0;
char *md5 = NULL;
if (file->from_old_session)
dig = 1;
md5= calloc(16, 1);
ret = iso_stream_make_md5(file->stream, md5, dig);
if (ret < 0)
goto ex;
iso_node_remove_xinfo((IsoNode *) file, checksum_md5_xinfo_func);
ret = iso_node_add_xinfo((IsoNode *) file, checksum_md5_xinfo_func, md5);
if (ret == 0)
ret = ISO_ERROR; /* should not happen after iso_node_remove_xinfo() */
if (ret < 0) {
free(md5);
goto ex;
}
ret = 1;
ex:;
return ret;
#else
return ISO_ERROR;
#endif /* ! Libisofs_with_checksumS */
}