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Code Issues

Fix CORE-1447.

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This commit is contained in:
robocop 2007-09-11 09:19:23 +00:00
parent cfb6fe3474
commit b18b0eedec
1 changed files with 37 additions and 31 deletions
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68
src/jrd/inf.cpp
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@ -179,9 +179,7 @@ USHORT INF_convert(SLONG number, SCHAR* buffer)
const SCHAR* p;
#ifndef WORDS_BIGENDIAN
// CVC: What's the need for an intermediate "n" here?
const SLONG n = number;
p = reinterpret_cast<const SCHAR*>(&n);
p = reinterpret_cast<const SCHAR*>(&number);
*buffer++ = *p++;
*buffer++ = *p++;
*buffer++ = *p++;
@ -229,9 +227,9 @@ int INF_database_info(const SCHAR* items,
jrd_tra* transaction = NULL;
const SCHAR* const end_items = items + item_length;
const SCHAR* const end = info + output_length;
const SCHAR* const end_buf = buffer + sizeof(buffer);
Attachment* err_att = 0;
Attachment* att = 0;
const Attachment* err_att = tdbb->tdbb_attachment;
const SCHAR* q;
while (items < end_items && *items != isc_info_end) {
@ -444,17 +442,28 @@ int INF_database_info(const SCHAR* items,
case isc_info_db_id:
{
// May be simpler to code using a server-side version of isql's Extender class.
const Firebird::PathName& str_fn = dbb->dbb_database_name;
STUFF(p, 2);
SSHORT l = str_fn.length();
*p++ = l;
for (q = str_fn.c_str(); *q;)
*p++ = *q++;
SCHAR site[256];
ISC_get_host(site, sizeof(site));
*p++ = l = strlen(site);
for (q = site; *q;)
*p++ = *q++;
USHORT len = str_fn.length();
if (p + len + 1 >= end_buf)
len = end_buf - p - 1;
if (len > 255)
len = 255; // Cannot put more in one byte, will truncate instead.
*p++ = len;
memcpy(p, str_fn.c_str(), len);
p += len;
if (p + 2 < end_buf)
{
SCHAR site[256];
ISC_get_host(site, sizeof(site));
len = strlen(site);
if (p + len + 1 >= end_buf)
len = end_buf - p - 1;
*p++ = len;
memcpy(p, site, len);
p += len;
}
length = p - buffer;
break;
}
@ -542,11 +551,14 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_user_names:
// Assumes user names will be smaller than sizeof(buffer) - 1.
if (!(tdbb->tdbb_attachment->locksmith())) {
const UserId* user = tdbb->tdbb_attachment->att_user;
Firebird::string uname((user && user->usr_user_name.hasData()) ? user->usr_user_name.c_str() : "<Unknown>");
uname.insert(0, char(uname.length()));
info = INF_put_item(item, uname.length(), uname.c_str(), info, end);
const char* uname = (user && user->usr_user_name.hasData()) ? user->usr_user_name.c_str() : "<Unknown>";
const SSHORT len = strlen(uname);
*p++ = len;
memcpy(p, uname, len);
info = INF_put_item(item, len + 1, buffer, info, end);
if (!info) {
if (transaction)
TRA_commit(tdbb, transaction, false);
@ -554,7 +566,9 @@ int INF_database_info(const SCHAR* items,
}
continue;
}
for (att = dbb->dbb_attachments; att; att = att->att_next) {
{ // scope for VC6
for (const Attachment* att = dbb->dbb_attachments; att; att = att->att_next)
{
if (att->att_flags & ATT_shutdown)
continue;
@ -563,12 +577,10 @@ int INF_database_info(const SCHAR* items,
const char* user_name = user->usr_user_name.hasData() ?
user->usr_user_name.c_str() : "(Firebird Worker Thread)";
p = buffer;
SSHORT l = strlen (user_name);
*p++ = l;
for (q = user_name; l; l--)
*p++ = *q++;
length = p - buffer;
info = INF_put_item(item, length, buffer, info, end);
const SSHORT len = strlen(user_name);
*p++ = len;
memcpy(p, user_name, len);
info = INF_put_item(item, len + 1, buffer, info, end);
if (!info) {
if (transaction)
TRA_commit(tdbb, transaction, false);
@ -576,10 +588,10 @@ int INF_database_info(const SCHAR* items,
}
}
}
} // end scope for VC6
continue;
case isc_info_page_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val =
(*err_att->att_val_errors)[VAL_PAG_WRONG_TYPE]
@ -595,7 +607,6 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_bpage_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val =
(*err_att->att_val_errors)[VAL_BLOB_INCONSISTENT]
@ -609,7 +620,6 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_record_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val =
(*err_att->att_val_errors)[VAL_REC_CHAIN_BROKEN]
@ -627,7 +637,6 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_dpage_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val =
(*err_att->att_val_errors)[VAL_DATA_PAGE_CONFUSED]
@ -641,7 +650,6 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_ipage_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val =
(*err_att->att_val_errors)[VAL_INDEX_PAGE_CORRUPT] +
@ -657,7 +665,6 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_ppage_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val = (*err_att->att_val_errors)[VAL_P_PAGE_LOST]
+
@ -670,7 +677,6 @@ int INF_database_info(const SCHAR* items,
break;
case isc_info_tpage_errors:
err_att = tdbb->tdbb_attachment;
if (err_att->att_val_errors) {
err_val = (*err_att->att_val_errors)[VAL_TIP_LOST]
+ (*err_att->att_val_errors)[VAL_TIP_LOST_SEQUENCE]