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Comments and warning.

This commit is contained in:
robocop 2009-04-19 10:05:22 +00:00
parent f84195dfab
commit 27a76e87f2

View File

@ -75,8 +75,8 @@ static inline void ch_stuff_word(BLOB_PTR*& p, const SSHORT value, bool& same_fl
ch_stuff(p, value >> 8, same_flag); ch_stuff(p, value >> 8, same_flag);
} }
/* these statics define a round-robin data area for storing // these statics define a round-robin data area for storing
textual error messages returned to the user */ // textual error messages returned to the user
static Firebird::GlobalPtr<Firebird::Mutex> failuresMutex; static Firebird::GlobalPtr<Firebird::Mutex> failuresMutex;
static TEXT *DSQL_failures, *DSQL_failures_ptr; static TEXT *DSQL_failures, *DSQL_failures_ptr;
@ -161,7 +161,7 @@ SCHAR* UTLD_skip_sql_info(SCHAR* info)
USHORT UTLD_char_length_to_byte_length(USHORT lengthInChars, USHORT maxBytesPerChar) USHORT UTLD_char_length_to_byte_length(USHORT lengthInChars, USHORT maxBytesPerChar)
{ {
return MIN(((MAX_COLUMN_SIZE - sizeof(USHORT)) / maxBytesPerChar) * maxBytesPerChar, return MIN(((MAX_COLUMN_SIZE - sizeof(USHORT)) / maxBytesPerChar) * maxBytesPerChar,
lengthInChars * maxBytesPerChar); (ULONG) lengthInChars * maxBytesPerChar);
} }
@ -217,9 +217,9 @@ ISC_STATUS UTLD_parse_sql_info(ISC_STATUS* status,
if (!xsqlda) if (!xsqlda)
return 0; return 0;
/* The first byte of the returned buffer is assumed to be either a // The first byte of the returned buffer is assumed to be either a
isc_info_sql_select or isc_info_sql_bind item. The second byte // isc_info_sql_select or isc_info_sql_bind item. The second byte
is assumed to be isc_info_sql_describe_vars. */ // is assumed to be isc_info_sql_describe_vars.
info += 2; info += 2;
@ -247,7 +247,7 @@ ISC_STATUS UTLD_parse_sql_info(ISC_STATUS* status,
xvar = &xsqlvar; xvar = &xsqlvar;
} }
// Loop over the variables being described. // Loop over the variables being described.
SQLVAR* qvar = NULL; SQLVAR* qvar = NULL;
USHORT last_index = 0; USHORT last_index = 0;
@ -396,18 +396,18 @@ ISC_STATUS UTLD_parse_sqlda(ISC_STATUS* status,
if (msg_length) if (msg_length)
{ {
/* This is a call from execute or open, or the first call from fetch. // This is a call from execute or open, or the first call from fetch.
Determine the size of the blr, allocate a blr buffer, create the // Determine the size of the blr, allocate a blr buffer, create the
blr, and finally allocate a message buffer. */ // blr, and finally allocate a message buffer.
/* The message buffer we are describing could be for a message to // The message buffer we are describing could be for a message to
either IB 4.0 or IB 3.3 - thus we need to describe the buffer // either IB 4.0 or IB 3.3 - thus we need to describe the buffer
with the right set of blr. // with the right set of blr.
As the BLR is only used to describe space allocation and alignment, // As the BLR is only used to describe space allocation and alignment,
we can safely use blr_text for both 4.0 and 3.3. */ // we can safely use blr_text for both 4.0 and 3.3.
/* Make a quick pass through the SQLDA to determine the amount of // Make a quick pass through the SQLDA to determine the amount of
blr that will be generated. */ // blr that will be generated.
USHORT blr_len = 8; USHORT blr_len = 8;
USHORT par_count = 0; USHORT par_count = 0;
@ -447,8 +447,8 @@ ISC_STATUS UTLD_parse_sqlda(ISC_STATUS* status,
par_count += 2; par_count += 2;
} }
/* Make sure the blr buffer is large enough. If it isn't, allocate // Make sure the blr buffer is large enough. If it isn't, allocate
a new one. */ // a new one.
if (blr_len > pClause->dasup_blr_buf_len) if (blr_len > pClause->dasup_blr_buf_len)
{ {
@ -466,23 +466,23 @@ ISC_STATUS UTLD_parse_sqlda(ISC_STATUS* status,
bool same_flag = (blr_len == pClause->dasup_blr_length); bool same_flag = (blr_len == pClause->dasup_blr_length);
/* turn off same_flag because it breaks execute & execute2 when // turn off same_flag because it breaks execute & execute2 when
more than one statement is prepared */ // more than one statement is prepared
same_flag = false; same_flag = false;
pClause->dasup_blr_length = blr_len; pClause->dasup_blr_length = blr_len;
/* Generate the blr for the message and at the same time, determine // Generate the blr for the message and at the same time, determine
the size of the message buffer. Allow for a null indicator with // the size of the message buffer. Allow for a null indicator with
each variable in the SQLDA. */ // each variable in the SQLDA.
// one huge pointer per line for LIBS // one huge pointer per line for LIBS
BLOB_PTR* p = reinterpret_cast<UCHAR*>(pClause->dasup_blr); BLOB_PTR* p = reinterpret_cast<UCHAR*>(pClause->dasup_blr);
/** The define SQL_DIALECT_V5 is not available here, Hence using // The define SQL_DIALECT_V5 is not available here, Hence using
constant 1. // constant 1.
**/
if (dialect > 1) { if (dialect > 1) {
ch_stuff(p, blr_version5, same_flag); ch_stuff(p, blr_version5, same_flag);
} }
@ -607,8 +607,8 @@ ISC_STATUS UTLD_parse_sqlda(ISC_STATUS* status,
ch_stuff(p, blr_end, same_flag); ch_stuff(p, blr_end, same_flag);
ch_stuff(p, blr_eoc, same_flag); ch_stuff(p, blr_eoc, same_flag);
/* Make sure the message buffer is large enough. If it isn't, allocate // Make sure the message buffer is large enough. If it isn't, allocate
a new one. */ // a new one.
if (msg_len > pClause->dasup_msg_buf_len) if (msg_len > pClause->dasup_msg_buf_len)
{ {
@ -634,7 +634,7 @@ ISC_STATUS UTLD_parse_sqlda(ISC_STATUS* status,
return 0; return 0;
} }
// Move the data between the SQLDA and the message buffer. // Move the data between the SQLDA and the message buffer.
USHORT offset = 0; USHORT offset = 0;
// one huge pointer per line for LIBS // one huge pointer per line for LIBS
@ -734,9 +734,9 @@ ISC_STATUS UTLD_parse_sqlda(ISC_STATUS* status,
} }
else else
{ {
/* Move data from the SQLDA into the message. If the // Move data from the SQLDA into the message. If the
indicator variable identifies a null value, permit // indicator variable identifies a null value, permit
the data value to be missing. */ // the data value to be missing.
if (xvar->sqltype & 1) if (xvar->sqltype & 1)
{ {
@ -817,8 +817,8 @@ void UTLD_save_status_strings(ISC_STATUS* vector)
if (status != isc_arg_cstring) if (status != isc_arg_cstring)
l = strlen(p) + 1; l = strlen(p) + 1;
/* If there isn't any more room in the buffer, // If there isn't any more room in the buffer,
start at the beginning again */ // start at the beginning again
if (DSQL_failures_ptr + l > DSQL_failures + DSQL_FAILURE_SPACE) if (DSQL_failures_ptr + l > DSQL_failures + DSQL_FAILURE_SPACE)
DSQL_failures_ptr = DSQL_failures; DSQL_failures_ptr = DSQL_failures;
@ -1049,7 +1049,7 @@ static void xsqlvar_to_sqlvar(const XSQLVAR* xsqlvar, SQLVAR* sqlvar)
sqlvar->sqltype = xsqlvar->sqltype; sqlvar->sqltype = xsqlvar->sqltype;
sqlvar->sqlname_length = xsqlvar->aliasname_length; sqlvar->sqlname_length = xsqlvar->aliasname_length;
// N.B., this may not NULL-terminate the name... // N.B., this may not NULL-terminate the name...
memcpy(sqlvar->sqlname, xsqlvar->aliasname, sizeof(sqlvar->sqlname)); memcpy(sqlvar->sqlname, xsqlvar->aliasname, sizeof(sqlvar->sqlname));