bool
ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
enum ECPGttype type, enum ECPGttype ind_type,
char *var, char *ind, long varcharsize, long offset,
long ind_offset, enum ARRAY_TYPE isarray, enum COMPAT_MODE compat, bool force_indicator)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
char *pval = (char *) PQgetvalue(results, act_tuple, act_field);
int binary = PQfformat(results, act_field);
int size = PQgetlength(results, act_tuple, act_field);
int value_for_indicator = 0;
long log_offset;
/*
* If we are running in a regression test, do not log the offset variable,
* it depends on the machine's alignment.
*/
if (ecpg_internal_regression_mode)
log_offset = -1;
else
log_offset = offset;
ecpg_log("ecpg_get_data on line %d: RESULT: %s offset: %ld; array: %s\n", lineno, pval ? (binary ? "BINARY" : pval) : "EMPTY", log_offset, ECPG_IS_ARRAY(isarray) ? "yes" : "no");
/* pval is a pointer to the value */
if (!pval)
{
/*
* This should never happen because we already checked that we found
* at least one tuple, but let's play it safe.
*/
ecpg_raise(lineno, ECPG_NOT_FOUND, ECPG_SQLSTATE_NO_DATA, NULL);
return (false);
}
/* We will have to decode the value */
/*
* check for null value and set indicator accordingly, i.e. -1 if NULL and
* 0 if not
*/
if (PQgetisnull(results, act_tuple, act_field))
value_for_indicator = -1;
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
#ifdef HAVE_LONG_LONG_INT
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
#endif /* HAVE_LONG_LONG_INT */
case ECPGt_NO_INDICATOR:
if (value_for_indicator == -1)
{
if (force_indicator == false)
{
/*
* Informix has an additional way to specify NULLs note
* that this uses special values to denote NULL
*/
ECPGset_noind_null(type, var + offset * act_tuple);
}
else
{
ecpg_raise(lineno, ECPG_MISSING_INDICATOR,
ECPG_SQLSTATE_NULL_VALUE_NO_INDICATOR_PARAMETER,
NULL);
return (false);
}
}
break;
default:
ecpg_raise(lineno, ECPG_UNSUPPORTED,
ECPG_SQLSTATE_ECPG_INTERNAL_ERROR,
ecpg_type_name(ind_type));
return (false);
break;
}
if (value_for_indicator == -1)
return (true);
/* let's check if it really is an array if it should be one */
if (isarray == ECPG_ARRAY_ARRAY)
{
if (*pval != '{')
{
ecpg_raise(lineno, ECPG_DATA_NOT_ARRAY,
ECPG_SQLSTATE_DATATYPE_MISMATCH, NULL);
return (false);
}
switch (type)
{
case ECPGt_char:
case ECPGt_unsigned_char:
case ECPGt_varchar:
case ECPGt_string:
break;
default:
pval++;
break;
}
}
do
{
if (binary)
{
if (varcharsize == 0 || varcharsize * offset >= size)
memcpy(var + offset * act_tuple, pval, size);
else
{
memcpy(var + offset * act_tuple, pval, varcharsize * offset);
if (varcharsize * offset < size)
{
/* truncation */
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = size;
break;
#ifdef HAVE_LONG_LONG_INT
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = size;
break;
#endif /* HAVE_LONG_LONG_INT */
default:
break;
}
sqlca->sqlwarn[0] = sqlca->sqlwarn[1] = 'W';
}
}
pval += size;
}
else
{
switch (type)
{
long res;
unsigned long ures;
double dres;
char *scan_length;
numeric *nres;
date ddres;
timestamp tres;
interval *ires;
case ECPGt_short:
case ECPGt_int:
case ECPGt_long:
res = strtol(pval, &scan_length, 10);
if (garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_INT_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
switch (type)
{
case ECPGt_short:
*((short *) (var + offset * act_tuple)) = (short) res;
break;
case ECPGt_int:
*((int *) (var + offset * act_tuple)) = (int) res;
break;
case ECPGt_long:
*((long *) (var + offset * act_tuple)) = (long) res;
break;
default:
/* Cannot happen */
break;
}
break;
case ECPGt_unsigned_short:
case ECPGt_unsigned_int:
case ECPGt_unsigned_long:
ures = strtoul(pval, &scan_length, 10);
if (garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_UINT_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
switch (type)
{
case ECPGt_unsigned_short:
*((unsigned short *) (var + offset * act_tuple)) = (unsigned short) ures;
break;
case ECPGt_unsigned_int:
*((unsigned int *) (var + offset * act_tuple)) = (unsigned int) ures;
break;
case ECPGt_unsigned_long:
*((unsigned long *) (var + offset * act_tuple)) = (unsigned long) ures;
break;
default:
/* Cannot happen */
break;
}
break;
#ifdef HAVE_LONG_LONG_INT
#ifdef HAVE_STRTOLL
case ECPGt_long_long:
*((long long int *) (var + offset * act_tuple)) = strtoll(pval, &scan_length, 10);
if (garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_INT_FORMAT, ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
break;
#endif /* HAVE_STRTOLL */
#ifdef HAVE_STRTOULL
case ECPGt_unsigned_long_long:
*((unsigned long long int *) (var + offset * act_tuple)) = strtoull(pval, &scan_length, 10);
if ((isarray && *scan_length != ',' && *scan_length != '}')
|| (!isarray && !(INFORMIX_MODE(compat) && *scan_length == '.') && *scan_length != '\0' && *scan_length != ' ')) /* Garbage left */
{
ecpg_raise(lineno, ECPG_UINT_FORMAT, ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
break;
#endif /* HAVE_STRTOULL */
#endif /* HAVE_LONG_LONG_INT */
case ECPGt_float:
case ECPGt_double:
if (isarray && *pval == '"')
pval++;
if (!check_special_value(pval, &dres, &scan_length))
dres = strtod(pval, &scan_length);
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_FLOAT_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
switch (type)
{
case ECPGt_float:
*((float *) (var + offset * act_tuple)) = dres;
break;
case ECPGt_double:
*((double *) (var + offset * act_tuple)) = dres;
break;
default:
/* Cannot happen */
break;
}
break;
case ECPGt_bool:
if (pval[0] == 'f' && pval[1] == '\0')
{
if (offset == sizeof(char))
*((char *) (var + offset * act_tuple)) = false;
else if (offset == sizeof(int))
*((int *) (var + offset * act_tuple)) = false;
else
ecpg_raise(lineno, ECPG_CONVERT_BOOL,
ECPG_SQLSTATE_DATATYPE_MISMATCH,
NULL);
pval++;
break;
}
else if (pval[0] == 't' && pval[1] == '\0')
{
if (offset == sizeof(char))
*((char *) (var + offset * act_tuple)) = true;
else if (offset == sizeof(int))
*((int *) (var + offset * act_tuple)) = true;
else
ecpg_raise(lineno, ECPG_CONVERT_BOOL,
ECPG_SQLSTATE_DATATYPE_MISMATCH,
NULL);
pval++;
break;
}
else if (pval[0] == '\0' && PQgetisnull(results, act_tuple, act_field))
{
/* NULL is valid */
break;
}
ecpg_raise(lineno, ECPG_CONVERT_BOOL,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
break;
case ECPGt_char:
case ECPGt_unsigned_char:
case ECPGt_string:
{
char *str = (char *) (var + offset * act_tuple);
/*
* If varcharsize is unknown and the offset is that of
* char *, then this variable represents the array of
* character pointers. So, use extra indirection.
*/
if (varcharsize == 0 && offset == sizeof(char *))
str = *(char **) str;
if (varcharsize == 0 || varcharsize > size)
{
strncpy(str, pval, size + 1);
/* do the rtrim() */
if (type == ECPGt_string)
{
char *last = str + size;
while (last > str && (*last == ' ' || *last == '\0'))
{
*last = '\0';
last--;
}
}
}
else
{
strncpy(str, pval, varcharsize);
if (varcharsize < size)
{
/* truncation */
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = size;
break;
#ifdef HAVE_LONG_LONG_INT
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = size;
break;
#endif /* HAVE_LONG_LONG_INT */
default:
break;
}
sqlca->sqlwarn[0] = sqlca->sqlwarn[1] = 'W';
}
}
pval += size;
}
break;
case ECPGt_varchar:
{
struct ECPGgeneric_varchar *variable =
(struct ECPGgeneric_varchar *) (var + offset * act_tuple);
variable->len = size;
if (varcharsize == 0)
strncpy(variable->arr, pval, variable->len);
else
{
strncpy(variable->arr, pval, varcharsize);
if (variable->len > varcharsize)
{
/* truncation */
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = variable->len;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = variable->len;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = variable->len;
break;
#ifdef HAVE_LONG_LONG_INT
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = variable->len;
break;
#endif /* HAVE_LONG_LONG_INT */
default:
break;
}
sqlca->sqlwarn[0] = sqlca->sqlwarn[1] = 'W';
variable->len = varcharsize;
}
}
pval += size;
}
break;
case ECPGt_decimal:
case ECPGt_numeric:
if (isarray && *pval == '"')
nres = PGTYPESnumeric_from_asc(pval + 1, &scan_length);
else
nres = PGTYPESnumeric_from_asc(pval, &scan_length);
/* did we get an error? */
if (nres == NULL)
{
ecpg_log("ecpg_get_data on line %d: RESULT %s; errno %d\n",
lineno, pval ? pval : "", errno);
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here instead
* of an error
*/
nres = PGTYPESnumeric_new();
if (nres)
ECPGset_noind_null(ECPGt_numeric, nres);
else
{
ecpg_raise(lineno, ECPG_OUT_OF_MEMORY,
ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY, NULL);
return (false);
}
}
else
{
ecpg_raise(lineno, ECPG_NUMERIC_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
free(nres);
ecpg_raise(lineno, ECPG_NUMERIC_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
pval = scan_length;
if (type == ECPGt_numeric)
PGTYPESnumeric_copy(nres, (numeric *) (var + offset * act_tuple));
else
PGTYPESnumeric_to_decimal(nres, (decimal *) (var + offset * act_tuple));
PGTYPESnumeric_free(nres);
break;
case ECPGt_interval:
if (isarray && *pval == '"')
ires = PGTYPESinterval_from_asc(pval + 1, &scan_length);
else
ires = PGTYPESinterval_from_asc(pval, &scan_length);
/* did we get an error? */
if (ires == NULL)
{
ecpg_log("ecpg_get_data on line %d: RESULT %s; errno %d\n",
lineno, pval ? pval : "", errno);
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here instead
* of an error
*/
ires = (interval *) ecpg_alloc(sizeof(interval), lineno);
if (!ires)
return (false);
ECPGset_noind_null(ECPGt_interval, ires);
}
else
{
ecpg_raise(lineno, ECPG_INTERVAL_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
free(ires);
ecpg_raise(lineno, ECPG_INTERVAL_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
pval = scan_length;
PGTYPESinterval_copy(ires, (interval *) (var + offset * act_tuple));
free(ires);
break;
case ECPGt_date:
if (isarray && *pval == '"')
ddres = PGTYPESdate_from_asc(pval + 1, &scan_length);
else
ddres = PGTYPESdate_from_asc(pval, &scan_length);
/* did we get an error? */
if (errno != 0)
{
ecpg_log("ecpg_get_data on line %d: RESULT %s; errno %d\n",
lineno, pval ? pval : "", errno);
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here instead
* of an error
*/
ECPGset_noind_null(ECPGt_date, &ddres);
}
else
{
ecpg_raise(lineno, ECPG_DATE_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_DATE_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
*((date *) (var + offset * act_tuple)) = ddres;
pval = scan_length;
break;
case ECPGt_timestamp:
if (isarray && *pval == '"')
tres = PGTYPEStimestamp_from_asc(pval + 1, &scan_length);
else
tres = PGTYPEStimestamp_from_asc(pval, &scan_length);
/* did we get an error? */
if (errno != 0)
{
ecpg_log("ecpg_get_data on line %d: RESULT %s; errno %d\n",
lineno, pval ? pval : "", errno);
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here instead
* of an error
*/
ECPGset_noind_null(ECPGt_timestamp, &tres);
}
else
{
ecpg_raise(lineno, ECPG_TIMESTAMP_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_TIMESTAMP_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
*((timestamp *) (var + offset * act_tuple)) = tres;
pval = scan_length;
break;
default:
ecpg_raise(lineno, ECPG_UNSUPPORTED,
ECPG_SQLSTATE_ECPG_INTERNAL_ERROR,
ecpg_type_name(type));
return (false);
break;
}
if (ECPG_IS_ARRAY(isarray))
{
bool string = false;
/* set array to next entry */
++act_tuple;
/* set pval to the next entry */
/*
* *pval != '\0' should not be needed, but is used as a safety
* guard
*/
for (; *pval != '\0' && (string || (!array_delimiter(isarray, *pval) && !array_boundary(isarray, *pval))); ++pval)
if (*pval == '"')
string = string ? false : true;
if (array_delimiter(isarray, *pval))
++pval;
}
}
} while (*pval != '\0' && !array_boundary(isarray, *pval));
return (true);
}
bool
ECPGget_data(const PGresult *results, int act_tuple, int act_field, int lineno,
enum ECPGttype type, enum ECPGttype ind_type,
char *var, char *ind, long varcharsize, long offset,
long ind_offset, enum ARRAY_TYPE isarray, enum COMPAT_MODE compat, bool force_indicator)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
char *pval = (char *) PQgetvalue(results, act_tuple, act_field);
int binary = PQfformat(results, act_field);
int size = PQgetlength(results, act_tuple, act_field);
int value_for_indicator = 0;
long log_offset;
/*
* use a global variable to see if the environment variable
* ECPG_REGRESSION is set or not. Remember the state in order to avoid
* subsequent calls to getenv() for this purpose.
*/
if (ECPG_regression_mode == NOT_CHECKED)
{
if (getenv("ECPG_REGRESSION"))
ECPG_regression_mode = REGRESS;
else
ECPG_regression_mode = NORMAL;
}
/*
* If we are running in a regression test, do not log the offset variable,
* it depends on the machine's alignment.
*/
if (ECPG_regression_mode == REGRESS)
log_offset = -1;
else
log_offset = offset;
ECPGlog("ECPGget_data line %d: RESULT: %s offset: %ld array: %s\n", lineno, pval ? (binary ? "BINARY" : pval) : "EMPTY", log_offset, isarray ? "Yes" : "No");
/* We will have to decode the value */
/*
* check for null value and set indicator accordingly, i.e. -1 if NULL and
* 0 if not
*/
if (PQgetisnull(results, act_tuple, act_field))
value_for_indicator = -1;
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
#ifdef HAVE_LONG_LONG_INT_64
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = value_for_indicator;
break;
#endif /* HAVE_LONG_LONG_INT_64 */
case ECPGt_NO_INDICATOR:
if (value_for_indicator == -1)
{
if (force_indicator == false)
{
/*
* Informix has an additional way to specify NULLs note
* that this uses special values to denote NULL
*/
ECPGset_noind_null(type, var + offset * act_tuple);
}
else
{
ECPGraise(lineno, ECPG_MISSING_INDICATOR,
ECPG_SQLSTATE_NULL_VALUE_NO_INDICATOR_PARAMETER,
NULL);
return (false);
}
}
break;
default:
ECPGraise(lineno, ECPG_UNSUPPORTED,
ECPG_SQLSTATE_ECPG_INTERNAL_ERROR,
ECPGtype_name(ind_type));
return (false);
break;
}
if (value_for_indicator == -1)
return (true);
/* pval is a pointer to the value */
/* let's check if it really is an array if it should be one */
if (isarray == ECPG_ARRAY_ARRAY)
{
if (!pval || *pval != '{')
{
ECPGraise(lineno, ECPG_DATA_NOT_ARRAY,
ECPG_SQLSTATE_DATATYPE_MISMATCH, NULL);
return (false);
}
switch (type)
{
case ECPGt_char:
case ECPGt_unsigned_char:
case ECPGt_varchar:
break;
default:
pval++;
break;
}
}
do
{
if (binary)
{
if (pval)
{
if (varcharsize == 0 || varcharsize * offset >= size)
memcpy((char *) ((long) var + offset * act_tuple),
pval, size);
else
{
memcpy((char *) ((long) var + offset * act_tuple),
pval, varcharsize * offset);
if (varcharsize * offset < size)
{
/* truncation */
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = size;
break;
#ifdef HAVE_LONG_LONG_INT_64
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = size;
break;
#endif /* HAVE_LONG_LONG_INT_64 */
default:
break;
}
sqlca->sqlwarn[0] = sqlca->sqlwarn[1] = 'W';
}
}
pval += size;
}
}
else
{
switch (type)
{
long res;
unsigned long ures;
double dres;
char *scan_length;
numeric *nres;
date ddres;
timestamp tres;
interval *ires;
case ECPGt_short:
case ECPGt_int:
case ECPGt_long:
if (pval)
{
res = strtol(pval, &scan_length, 10);
if (garbage_left(isarray, scan_length, compat))
{
ECPGraise(lineno, ECPG_INT_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
}
else
res = 0L;
switch (type)
{
case ECPGt_short:
*((short *) (var + offset * act_tuple)) = (short) res;
break;
case ECPGt_int:
*((int *) (var + offset * act_tuple)) = (int) res;
break;
case ECPGt_long:
*((long *) (var + offset * act_tuple)) = (long) res;
break;
default:
/* Cannot happen */
break;
}
break;
case ECPGt_unsigned_short:
case ECPGt_unsigned_int:
case ECPGt_unsigned_long:
if (pval)
{
ures = strtoul(pval, &scan_length, 10);
if (garbage_left(isarray, scan_length, compat))
{
ECPGraise(lineno, ECPG_UINT_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
}
else
ures = 0L;
switch (type)
{
case ECPGt_unsigned_short:
*((unsigned short *) (var + offset * act_tuple)) = (unsigned short) ures;
break;
case ECPGt_unsigned_int:
*((unsigned int *) (var + offset * act_tuple)) = (unsigned int) ures;
break;
case ECPGt_unsigned_long:
*((unsigned long *) (var + offset * act_tuple)) = (unsigned long) ures;
break;
default:
/* Cannot happen */
break;
}
break;
#ifdef HAVE_LONG_LONG_INT_64
#ifdef HAVE_STRTOLL
case ECPGt_long_long:
if (pval)
{
*((long long int *) (var + offset * act_tuple)) = strtoll(pval, &scan_length, 10);
if (garbage_left(isarray, scan_length, compat))
{
ECPGraise(lineno, ECPG_INT_FORMAT, ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
}
else
*((long long int *) (var + offset * act_tuple)) = (long long) 0;
break;
#endif /* HAVE_STRTOLL */
#ifdef HAVE_STRTOULL
case ECPGt_unsigned_long_long:
if (pval)
{
*((unsigned long long int *) (var + offset * act_tuple)) = strtoull(pval, &scan_length, 10);
if ((isarray && *scan_length != ',' && *scan_length != '}')
|| (!isarray && !(INFORMIX_MODE(compat) && *scan_length == '.') && *scan_length != '\0' && *scan_length != ' ')) /* Garbage left */
{
ECPGraise(lineno, ECPG_UINT_FORMAT, ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
}
else
*((unsigned long long int *) (var + offset * act_tuple)) = (long long) 0;
break;
#endif /* HAVE_STRTOULL */
#endif /* HAVE_LONG_LONG_INT_64 */
case ECPGt_float:
case ECPGt_double:
if (pval)
{
if (isarray && *pval == '"')
dres = strtod(pval + 1, &scan_length);
else
dres = strtod(pval, &scan_length);
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
ECPGraise(lineno, ECPG_FLOAT_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
pval = scan_length;
}
else
dres = 0.0;
switch (type)
{
case ECPGt_float:
*((float *) (var + offset * act_tuple)) = dres;
break;
case ECPGt_double:
*((double *) (var + offset * act_tuple)) = dres;
break;
default:
/* Cannot happen */
break;
}
break;
case ECPGt_bool:
if (pval)
{
if (pval[0] == 'f' && pval[1] == '\0')
{
if (offset == sizeof(char))
*((char *) (var + offset * act_tuple)) = false;
else if (offset == sizeof(int))
*((int *) (var + offset * act_tuple)) = false;
else
ECPGraise(lineno, ECPG_CONVERT_BOOL,
ECPG_SQLSTATE_DATATYPE_MISMATCH,
"different size");
break;
}
else if (pval[0] == 't' && pval[1] == '\0')
{
if (offset == sizeof(char))
*((char *) (var + offset * act_tuple)) = true;
else if (offset == sizeof(int))
*((int *) (var + offset * act_tuple)) = true;
else
ECPGraise(lineno, ECPG_CONVERT_BOOL,
ECPG_SQLSTATE_DATATYPE_MISMATCH,
"different size");
break;
}
else if (pval[0] == '\0' && PQgetisnull(results, act_tuple, act_field))
{
/* NULL is valid */
break;
}
}
ECPGraise(lineno, ECPG_CONVERT_BOOL,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
break;
case ECPGt_char:
case ECPGt_unsigned_char:
if (pval)
{
if (varcharsize == 0 || varcharsize > size)
strncpy((char *) ((long) var + offset * act_tuple), pval, size + 1);
else
{
strncpy((char *) ((long) var + offset * act_tuple), pval, varcharsize);
if (varcharsize < size)
{
/* truncation */
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + ind_offset * act_tuple)) = size;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + ind_offset * act_tuple)) = size;
break;
#ifdef HAVE_LONG_LONG_INT_64
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = size;
break;
#endif /* HAVE_LONG_LONG_INT_64 */
default:
break;
}
sqlca->sqlwarn[0] = sqlca->sqlwarn[1] = 'W';
}
}
pval += size;
}
break;
case ECPGt_varchar:
if (pval)
{
struct ECPGgeneric_varchar *variable =
(struct ECPGgeneric_varchar *) ((long) var + offset * act_tuple);
variable->len = size;
if (varcharsize == 0)
strncpy(variable->arr, pval, variable->len);
else
{
strncpy(variable->arr, pval, varcharsize);
if (variable->len > varcharsize)
{
/* truncation */
switch (ind_type)
{
case ECPGt_short:
case ECPGt_unsigned_short:
*((short *) (ind + offset * act_tuple)) = variable->len;
break;
case ECPGt_int:
case ECPGt_unsigned_int:
*((int *) (ind + offset * act_tuple)) = variable->len;
break;
case ECPGt_long:
case ECPGt_unsigned_long:
*((long *) (ind + offset * act_tuple)) = variable->len;
break;
#ifdef HAVE_LONG_LONG_INT_64
case ECPGt_long_long:
case ECPGt_unsigned_long_long:
*((long long int *) (ind + ind_offset * act_tuple)) = variable->len;
break;
#endif /* HAVE_LONG_LONG_INT_64 */
default:
break;
}
sqlca->sqlwarn[0] = sqlca->sqlwarn[1] = 'W';
variable->len = varcharsize;
}
}
pval += size;
}
break;
case ECPGt_decimal:
case ECPGt_numeric:
if (pval)
{
if (isarray && *pval == '"')
nres = PGTYPESnumeric_from_asc(pval + 1, &scan_length);
else
nres = PGTYPESnumeric_from_asc(pval, &scan_length);
/* did we get an error? */
if (nres == NULL)
{
ECPGlog("ECPGget_data line %d: RESULT: %s errno %d\n",
lineno, pval ? pval : "", errno);
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here
* instead of an error
*/
nres = PGTYPESnumeric_new();
if (nres)
ECPGset_noind_null(ECPGt_numeric, nres);
else
{
ECPGraise(lineno, ECPG_OUT_OF_MEMORY,
ECPG_SQLSTATE_ECPG_OUT_OF_MEMORY, NULL);
return (false);
}
}
else
{
ECPGraise(lineno, ECPG_NUMERIC_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
free(nres);
ECPGraise(lineno, ECPG_NUMERIC_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
pval = scan_length;
}
else
nres = PGTYPESnumeric_from_asc("0.0", &scan_length);
if (type == ECPGt_numeric)
PGTYPESnumeric_copy(nres, (numeric *) (var + offset * act_tuple));
else
PGTYPESnumeric_to_decimal(nres, (decimal *) (var + offset * act_tuple));
free(nres);
break;
case ECPGt_interval:
if (pval)
{
if (isarray && *pval == '"')
ires = PGTYPESinterval_from_asc(pval + 1, &scan_length);
else
ires = PGTYPESinterval_from_asc(pval, &scan_length);
/* did we get an error? */
if (ires == NULL)
{
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here
* instead of an error
*/
ires = (interval *) ECPGalloc(sizeof(interval), lineno);
if (!ires)
return (false);
ECPGset_noind_null(ECPGt_interval, ires);
}
else
{
ECPGraise(lineno, ECPG_INTERVAL_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
free(ires);
ECPGraise(lineno, ECPG_INTERVAL_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
pval = scan_length;
}
else
ires = PGTYPESinterval_from_asc("0 seconds", NULL);
PGTYPESinterval_copy(ires, (interval *) (var + offset * act_tuple));
free(ires);
break;
case ECPGt_date:
if (pval)
{
if (isarray && *pval == '"')
ddres = PGTYPESdate_from_asc(pval + 1, &scan_length);
else
ddres = PGTYPESdate_from_asc(pval, &scan_length);
/* did we get an error? */
if (errno != 0)
{
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here
* instead of an error
*/
ECPGset_noind_null(ECPGt_date, &ddres);
}
else
{
ECPGraise(lineno, ECPG_DATE_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
ECPGraise(lineno, ECPG_DATE_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
*((date *) (var + offset * act_tuple)) = ddres;
pval = scan_length;
}
break;
case ECPGt_timestamp:
if (pval)
{
if (isarray && *pval == '"')
tres = PGTYPEStimestamp_from_asc(pval + 1, &scan_length);
else
tres = PGTYPEStimestamp_from_asc(pval, &scan_length);
/* did we get an error? */
if (errno != 0)
{
if (INFORMIX_MODE(compat))
{
/*
* Informix wants its own NULL value here
* instead of an error
*/
ECPGset_noind_null(ECPGt_timestamp, &tres);
}
else
{
ECPGraise(lineno, ECPG_TIMESTAMP_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
else
{
if (isarray && *scan_length == '"')
scan_length++;
if (garbage_left(isarray, scan_length, compat))
{
ECPGraise(lineno, ECPG_TIMESTAMP_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
return (false);
}
}
*((timestamp *) (var + offset * act_tuple)) = tres;
pval = scan_length;
}
break;
default:
ECPGraise(lineno, ECPG_UNSUPPORTED,
ECPG_SQLSTATE_ECPG_INTERNAL_ERROR,
ECPGtype_name(type));
return (false);
break;
}
if (isarray == ECPG_ARRAY_ARRAY)
{
bool string = false;
/* set array to next entry */
++act_tuple;
/* set pval to the next entry */
for (; string || (*pval != ',' && *pval != '}' && *pval != '\0'); ++pval)
if (*pval == '"')
string = string ? false : true;
if (*pval == ',')
++pval;
}
else if (isarray == ECPG_ARRAY_VECTOR)
{
bool string = false;
/* set array to next entry */
++act_tuple;
/* set pval to the next entry */
for (; string || (*pval != ' ' && *pval != '\0'); ++pval)
if (*pval == '"')
string = string ? false : true;
if (*pval == ' ')
++pval;
}
}
} while (*pval != '\0' && ((isarray == ECPG_ARRAY_ARRAY && *pval != '}') || isarray == ECPG_ARRAY_VECTOR));
return (true);
}
/* this contains some quick hacks, needs to be cleaned up, but it works */
bool
ECPGconnect(int lineno, int c, const char *name, const char *user, const char *passwd, const char *connection_name, int autocommit)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
enum COMPAT_MODE compat = c;
struct connection *this;
int i;
char *dbname = name ? ecpg_strdup(name, lineno) : NULL,
*host = NULL,
*tmp,
*port = NULL,
*realname = NULL,
*options = NULL,
*connect_string = NULL;
ecpg_init_sqlca(sqlca);
/*
* clear auto_mem structure because some error handling functions might
* access it
*/
ecpg_clear_auto_mem();
if (INFORMIX_MODE(compat))
{
char *envname;
/*
* Informix uses an environment variable DBPATH that overrides the
* connection parameters given here. We do the same with PG_DBPATH as
* the syntax is different.
*/
envname = getenv("PG_DBPATH");
if (envname)
{
ecpg_free(dbname);
dbname = ecpg_strdup(envname, lineno);
}
}
if (dbname == NULL && connection_name == NULL)
connection_name = "DEFAULT";
#if ENABLE_THREAD_SAFETY
ecpg_pthreads_init();
#endif
/* check if the identifier is unique */
if (ecpg_get_connection(connection_name))
{
ecpg_free(dbname);
ecpg_log("ECPGconnect: connection identifier %s is already in use\n",
connection_name);
return false;
}
if ((this = (struct connection *) ecpg_alloc(sizeof(struct connection), lineno)) == NULL)
return false;
if (dbname != NULL)
{
/* get the detail information out of dbname */
if (strncmp(dbname, "tcp:", 4) == 0 || strncmp(dbname, "unix:", 5) == 0)
{
int offset = 0;
/*
* only allow protocols tcp and unix
*/
if (strncmp(dbname, "tcp:", 4) == 0)
offset = 4;
else if (strncmp(dbname, "unix:", 5) == 0)
offset = 5;
if (strncmp(dbname + offset, "postgresql://", strlen("postgresql://")) == 0)
{
/*------
* new style:
* <tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
* [/db name][?options]
*------
*/
offset += strlen("postgresql://");
tmp = strrchr(dbname + offset, '?');
if (tmp != NULL) /* options given */
{
options = ecpg_strdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = last_dir_separator(dbname + offset);
if (tmp != NULL) /* database name given */
{
if (tmp[1] != '\0') /* non-empty database name */
realname = ecpg_strdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = strrchr(dbname + offset, ':');
if (tmp != NULL) /* port number or Unix socket path given */
{
char *tmp2;
*tmp = '\0';
if ((tmp2 = strchr(tmp + 1, ':')) != NULL)
{
*tmp2 = '\0';
host = ecpg_strdup(tmp + 1, lineno);
if (strncmp(dbname, "unix:", 5) != 0)
{
ecpg_log("ECPGconnect: socketname %s given for TCP connection on line %d\n", host, lineno);
ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
if (host)
ecpg_free(host);
/*
* port not set yet if (port) ecpg_free(port);
*/
if (options)
ecpg_free(options);
if (realname)
ecpg_free(realname);
if (dbname)
ecpg_free(dbname);
free(this);
return false;
}
}
else
port = ecpg_strdup(tmp + 1, lineno);
}
if (strncmp(dbname, "unix:", 5) == 0)
{
if (strcmp(dbname + offset, "localhost") != 0 && strcmp(dbname + offset, "127.0.0.1") != 0)
{
ecpg_log("ECPGconnect: non-localhost access via sockets on line %d\n", lineno);
ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
if (host)
ecpg_free(host);
if (port)
ecpg_free(port);
if (options)
ecpg_free(options);
if (realname)
ecpg_free(realname);
if (dbname)
ecpg_free(dbname);
free(this);
return false;
}
}
else
host = ecpg_strdup(dbname + offset, lineno);
}
}
else
{
/* old style: dbname[@server][:port] */
tmp = strrchr(dbname, ':');
if (tmp != NULL) /* port number given */
{
port = ecpg_strdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = strrchr(dbname, '@');
if (tmp != NULL) /* host name given */
{
host = ecpg_strdup(tmp + 1, lineno);
*tmp = '\0';
}
realname = (strlen(dbname) > 0) ? ecpg_strdup(dbname, lineno) : NULL;
}
}
else
realname = NULL;
/* add connection to our list */
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_lock(&connections_mutex);
#endif
if (connection_name != NULL)
this->name = ecpg_strdup(connection_name, lineno);
else
this->name = ecpg_strdup(realname, lineno);
this->cache_head = NULL;
this->prep_stmts = NULL;
if (all_connections == NULL)
this->next = NULL;
else
this->next = all_connections;
all_connections = this;
#ifdef ENABLE_THREAD_SAFETY
pthread_setspecific(actual_connection_key, all_connections);
#endif
actual_connection = all_connections;
ecpg_log("ECPGconnect: opening database %s on %s port %s %s%s %s%s\n",
realname ? realname : "<DEFAULT>",
host ? host : "<DEFAULT>",
port ? (ecpg_internal_regression_mode ? "<REGRESSION_PORT>" : port) : "<DEFAULT>",
options ? "with options " : "", options ? options : "",
(user && strlen(user) > 0) ? "for user " : "", user ? user : "");
connect_string = ecpg_alloc(strlen_or_null(host)
+ strlen_or_null(port)
+ strlen_or_null(options)
+ strlen_or_null(realname)
+ strlen_or_null(user)
+ strlen_or_null(passwd)
+ sizeof(" host = port = dbname = user = password ="******"%s%s %s%s %s%s %s%s %s%s %s",
realname ? "dbname=" : "", realname ? realname : "",
host ? "host=" : "", host ? host : "",
port ? "port=" : "", port ? port : "",
(user && strlen(user) > 0) ? "user="******"", user ? user : "",
(passwd && strlen(passwd) > 0) ? "password="******"", passwd ? passwd : "",
options ? options : "");
/*
* this is deprecated this->connection = PQsetdbLogin(host, port, options,
* NULL, realname, user, passwd);
*/
this->connection = PQconnectdb(connect_string);
ecpg_free(connect_string);
if (host)
ecpg_free(host);
if (port)
ecpg_free(port);
if (options)
ecpg_free(options);
if (dbname)
ecpg_free(dbname);
if (PQstatus(this->connection) == CONNECTION_BAD)
{
const char *errmsg = PQerrorMessage(this->connection);
const char *db = realname ? realname : ecpg_gettext("<DEFAULT>");
ecpg_log("ECPGconnect: could not open database: %s\n", errmsg);
ecpg_finish(this);
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_unlock(&connections_mutex);
#endif
ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, db);
if (realname)
ecpg_free(realname);
return false;
}
if (realname)
ecpg_free(realname);
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_unlock(&connections_mutex);
#endif
this->autocommit = autocommit;
PQsetNoticeReceiver(this->connection, &ECPGnoticeReceiver, (void *) this);
return true;
}
/* this contains some quick hacks, needs to be cleaned up, but it works */
bool
ECPGconnect(int lineno, int c, const char *name, const char *user, const char *passwd, const char *connection_name, int autocommit)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
enum COMPAT_MODE compat = c;
struct connection *this;
int i,
connect_params = 0;
char *dbname = name ? ecpg_strdup(name, lineno) : NULL,
*host = NULL,
*tmp,
*port = NULL,
*realname = NULL,
*options = NULL;
const char **conn_keywords;
const char **conn_values;
ecpg_init_sqlca(sqlca);
/*
* clear auto_mem structure because some error handling functions might
* access it
*/
ecpg_clear_auto_mem();
if (INFORMIX_MODE(compat))
{
char *envname;
/*
* Informix uses an environment variable DBPATH that overrides the
* connection parameters given here. We do the same with PG_DBPATH as
* the syntax is different.
*/
envname = getenv("PG_DBPATH");
if (envname)
{
ecpg_free(dbname);
dbname = ecpg_strdup(envname, lineno);
}
}
if (dbname == NULL && connection_name == NULL)
connection_name = "DEFAULT";
#if ENABLE_THREAD_SAFETY
ecpg_pthreads_init();
#endif
/* check if the identifier is unique */
if (ecpg_get_connection(connection_name))
{
ecpg_free(dbname);
ecpg_log("ECPGconnect: connection identifier %s is already in use\n",
connection_name);
return false;
}
if ((this = (struct connection *) ecpg_alloc(sizeof(struct connection), lineno)) == NULL)
return false;
if (dbname != NULL)
{
/* get the detail information from dbname */
if (strncmp(dbname, "tcp:", 4) == 0 || strncmp(dbname, "unix:", 5) == 0)
{
int offset = 0;
/*
* only allow protocols tcp and unix
*/
if (strncmp(dbname, "tcp:", 4) == 0)
offset = 4;
else if (strncmp(dbname, "unix:", 5) == 0)
offset = 5;
if (strncmp(dbname + offset, "postgresql://", strlen("postgresql://")) == 0)
{
/*------
* new style:
* <tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
* [/db-name][?options]
*------
*/
offset += strlen("postgresql://");
tmp = strrchr(dbname + offset, '?');
if (tmp != NULL) /* options given */
{
options = ecpg_strdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = last_dir_separator(dbname + offset);
if (tmp != NULL) /* database name given */
{
if (tmp[1] != '\0') /* non-empty database name */
{
realname = ecpg_strdup(tmp + 1, lineno);
connect_params++;
}
*tmp = '\0';
}
tmp = strrchr(dbname + offset, ':');
if (tmp != NULL) /* port number or Unix socket path given */
{
char *tmp2;
*tmp = '\0';
if ((tmp2 = strchr(tmp + 1, ':')) != NULL)
{
*tmp2 = '\0';
host = ecpg_strdup(tmp + 1, lineno);
connect_params++;
if (strncmp(dbname, "unix:", 5) != 0)
{
ecpg_log("ECPGconnect: socketname %s given for TCP connection on line %d\n", host, lineno);
ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
if (host)
ecpg_free(host);
/*
* port not set yet if (port) ecpg_free(port);
*/
if (options)
ecpg_free(options);
if (realname)
ecpg_free(realname);
if (dbname)
ecpg_free(dbname);
free(this);
return false;
}
}
else
{
port = ecpg_strdup(tmp + 1, lineno);
connect_params++;
}
}
if (strncmp(dbname, "unix:", 5) == 0)
{
if (strcmp(dbname + offset, "localhost") != 0 && strcmp(dbname + offset, "127.0.0.1") != 0)
{
ecpg_log("ECPGconnect: non-localhost access via sockets on line %d\n", lineno);
ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : ecpg_gettext("<DEFAULT>"));
if (host)
ecpg_free(host);
if (port)
ecpg_free(port);
if (options)
ecpg_free(options);
if (realname)
ecpg_free(realname);
if (dbname)
ecpg_free(dbname);
free(this);
return false;
}
}
else
{
if (*(dbname + offset) != '\0')
{
host = ecpg_strdup(dbname + offset, lineno);
connect_params++;
}
}
}
}
else
{
/* old style: dbname[@server][:port] */
tmp = strrchr(dbname, ':');
if (tmp != NULL) /* port number given */
{
port = ecpg_strdup(tmp + 1, lineno);
connect_params++;
*tmp = '\0';
}
tmp = strrchr(dbname, '@');
if (tmp != NULL) /* host name given */
{
host = ecpg_strdup(tmp + 1, lineno);
connect_params++;
*tmp = '\0';
}
if (strlen(dbname) > 0)
{
realname = ecpg_strdup(dbname, lineno);
connect_params++;
}
else
realname = NULL;
}
}
else
realname = NULL;
/* add connection to our list */
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_lock(&connections_mutex);
#endif
if (connection_name != NULL)
this->name = ecpg_strdup(connection_name, lineno);
else
this->name = ecpg_strdup(realname, lineno);
this->cache_head = NULL;
this->prep_stmts = NULL;
if (all_connections == NULL)
this->next = NULL;
else
this->next = all_connections;
all_connections = this;
#ifdef ENABLE_THREAD_SAFETY
pthread_setspecific(actual_connection_key, all_connections);
#endif
actual_connection = all_connections;
ecpg_log("ECPGconnect: opening database %s on %s port %s %s%s %s%s\n",
realname ? realname : "<DEFAULT>",
host ? host : "<DEFAULT>",
port ? (ecpg_internal_regression_mode ? "<REGRESSION_PORT>" : port) : "<DEFAULT>",
options ? "with options " : "", options ? options : "",
(user && strlen(user) > 0) ? "for user " : "", user ? user : "");
if (options)
for (i = 0; options[i]; i++)
/* count options */
if (options[i] == '=')
connect_params++;
if (user && strlen(user) > 0)
connect_params++;
if (passwd && strlen(passwd) > 0)
connect_params++;
/* allocate enough space for all connection parameters */
conn_keywords = (const char **) ecpg_alloc((connect_params + 1) * sizeof(char *), lineno);
conn_values = (const char **) ecpg_alloc(connect_params * sizeof(char *), lineno);
if (conn_keywords == NULL || conn_values == NULL)
{
if (host)
ecpg_free(host);
if (port)
ecpg_free(port);
if (options)
ecpg_free(options);
if (realname)
ecpg_free(realname);
if (dbname)
ecpg_free(dbname);
if (conn_keywords)
ecpg_free(conn_keywords);
if (conn_values)
ecpg_free(conn_values);
free(this);
return false;
}
i = 0;
if (realname)
{
conn_keywords[i] = "dbname";
conn_values[i] = realname;
i++;
}
if (host)
{
conn_keywords[i] = "host";
conn_values[i] = host;
i++;
}
if (port)
{
conn_keywords[i] = "port";
conn_values[i] = port;
i++;
}
if (user && strlen(user) > 0)
{
conn_keywords[i] = "user";
conn_values[i] = user;
i++;
}
if (passwd && strlen(passwd) > 0)
{
conn_keywords[i] = "password";
conn_values[i] = passwd;
i++;
}
if (options)
{
char *str;
/* options look like this "option1 = value1 option2 = value2 ... */
/* we have to break up the string into single options */
for (str = options; *str;)
{
int e,
a;
char *token1,
*token2;
for (token1 = str; *token1 && *token1 == ' '; token1++);
for (e = 0; token1[e] && token1[e] != '='; e++);
if (token1[e]) /* found "=" */
{
token1[e] = '\0';
for (token2 = token1 + e + 1; *token2 && *token2 == ' '; token2++);
for (a = 0; token2[a] && token2[a] != '&'; a++);
if (token2[a]) /* found "&" => another option follows */
{
token2[a] = '\0';
str = token2 + a + 1;
}
else
str = token2 + a;
conn_keywords[i] = token1;
conn_values[i] = token2;
i++;
}
else
/* the parser should not be able to create this invalid option */
str = token1 + e;
}
}
conn_keywords[i] = NULL; /* terminator */
this->connection = PQconnectdbParams(conn_keywords, conn_values, 0);
if (host)
ecpg_free(host);
if (port)
ecpg_free(port);
if (options)
ecpg_free(options);
if (dbname)
ecpg_free(dbname);
ecpg_free(conn_values);
ecpg_free(conn_keywords);
if (PQstatus(this->connection) == CONNECTION_BAD)
{
const char *errmsg = PQerrorMessage(this->connection);
const char *db = realname ? realname : ecpg_gettext("<DEFAULT>");
ecpg_log("ECPGconnect: could not open database: %s\n", errmsg);
ecpg_finish(this);
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_unlock(&connections_mutex);
#endif
ecpg_raise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, db);
if (realname)
ecpg_free(realname);
return false;
}
if (realname)
ecpg_free(realname);
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_unlock(&connections_mutex);
#endif
this->autocommit = autocommit;
PQsetNoticeReceiver(this->connection, &ECPGnoticeReceiver, (void *) this);
return true;
}
/* this contains some quick hacks, needs to be cleaned up, but it works */
bool
ECPGconnect(int lineno, int c, const char *name, const char *user, const char *passwd, const char *connection_name, int autocommit)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
enum COMPAT_MODE compat = c;
struct connection *this;
char *dbname = name ? ECPGstrdup(name, lineno) : NULL,
*host = NULL,
*tmp,
*port = NULL,
*realname = NULL,
*options = NULL;
ECPGinit_sqlca(sqlca);
ECPGclear_auto_mem();
if (INFORMIX_MODE(compat))
{
char *envname;
/*
* Informix uses an environment variable DBPATH that overrides the
* connection parameters given here. We do the same with PG_DBPATH as
* the syntax is different.
*/
envname = getenv("PG_DBPATH");
if (envname)
{
ECPGfree(dbname);
dbname = ECPGstrdup(envname, lineno);
}
}
if ((this = (struct connection *) ECPGalloc(sizeof(struct connection), lineno)) == NULL)
return false;
if (dbname == NULL && connection_name == NULL)
connection_name = "DEFAULT";
if (dbname != NULL)
{
/* get the detail information out of dbname */
if (strchr(dbname, '@') != NULL)
{
/* old style: dbname[@server][:port] */
tmp = strrchr(dbname, ':');
if (tmp != NULL) /* port number given */
{
port = ECPGstrdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = strrchr(dbname, '@');
if (tmp != NULL) /* host name given */
{
host = ECPGstrdup(tmp + 1, lineno);
*tmp = '\0';
}
realname = ECPGstrdup(dbname, lineno);
}
else if (strncmp(dbname, "tcp:", 4) == 0 || strncmp(dbname, "unix:", 5) == 0)
{
int offset = 0;
/*
* only allow protocols tcp and unix
*/
if (strncmp(dbname, "tcp:", 4) == 0)
offset = 4;
else if (strncmp(dbname, "unix:", 5) == 0)
offset = 5;
if (strncmp(dbname + offset, "postgresql://", strlen("postgresql://")) == 0)
{
/*------
* new style:
* <tcp|unix>:postgresql://server[:port|:/unixsocket/path:]
* [/db name][?options]
*------
*/
offset += strlen("postgresql://");
tmp = strrchr(dbname + offset, '?');
if (tmp != NULL) /* options given */
{
options = ECPGstrdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = last_dir_separator(dbname + offset);
if (tmp != NULL) /* database name given */
{
realname = ECPGstrdup(tmp + 1, lineno);
*tmp = '\0';
}
tmp = strrchr(dbname + offset, ':');
if (tmp != NULL) /* port number or Unix socket path given */
{
char *tmp2;
*tmp = '\0';
if ((tmp2 = strchr(tmp + 1, ':')) != NULL)
{
*tmp2 = '\0';
host = ECPGstrdup(tmp + 1, lineno);
if (strncmp(dbname, "unix:", 5) != 0)
{
ECPGlog("connect: socketname %s given for TCP connection in line %d\n", host, lineno);
ECPGraise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : "<DEFAULT>");
if (host)
ECPGfree(host);
if (port)
ECPGfree(port);
if (options)
ECPGfree(options);
if (realname)
ECPGfree(realname);
if (dbname)
ECPGfree(dbname);
return false;
}
}
else
port = ECPGstrdup(tmp + 1, lineno);
}
if (strncmp(dbname, "unix:", 5) == 0)
{
if (strcmp(dbname + offset, "localhost") != 0 && strcmp(dbname + offset, "127.0.0.1") != 0)
{
ECPGlog("connect: non-localhost access via sockets in line %d\n", lineno);
ECPGraise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, realname ? realname : "<DEFAULT>");
if (host)
ECPGfree(host);
if (port)
ECPGfree(port);
if (options)
ECPGfree(options);
if (realname)
ECPGfree(realname);
if (dbname)
ECPGfree(dbname);
ecpg_finish(this);
return false;
}
}
else
host = ECPGstrdup(dbname + offset, lineno);
}
else
realname = ECPGstrdup(dbname, lineno);
}
else
realname = ECPGstrdup(dbname, lineno);
}
else
realname = NULL;
/* add connection to our list */
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_lock(&connections_mutex);
#endif
if (connection_name != NULL)
this->name = ECPGstrdup(connection_name, lineno);
else
this->name = ECPGstrdup(realname, lineno);
this->cache_head = NULL;
if (all_connections == NULL)
this->next = NULL;
else
this->next = all_connections;
all_connections = this;
#ifdef ENABLE_THREAD_SAFETY
pthread_once(&actual_connection_key_once, ecpg_actual_connection_init);
pthread_setspecific(actual_connection_key, all_connections);
#endif
actual_connection = all_connections;
ECPGlog("ECPGconnect: opening database %s on %s port %s %s%s%s%s\n",
realname ? realname : "<DEFAULT>",
host ? host : "<DEFAULT>",
port ? port : "<DEFAULT>",
options ? "with options " : "", options ? options : "",
user ? "for user " : "", user ? user : "");
this->connection = PQsetdbLogin(host, port, options, NULL, realname, user, passwd);
if (PQstatus(this->connection) == CONNECTION_BAD)
{
const char *errmsg = PQerrorMessage(this->connection);
char *db = realname ? realname : "<DEFAULT>";
ECPGlog("connect: could not open database %s on %s port %s %s%s%s%s in line %d\n\t%s\n",
db,
host ? host : "<DEFAULT>",
port ? port : "<DEFAULT>",
options ? "with options " : "", options ? options : "",
user ? "for user " : "", user ? user : "",
lineno, errmsg);
ecpg_finish(this);
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_unlock(&connections_mutex);
#endif
ECPGraise(lineno, ECPG_CONNECT, ECPG_SQLSTATE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION, db);
if (host)
ECPGfree(host);
if (port)
ECPGfree(port);
if (options)
ECPGfree(options);
if (realname)
ECPGfree(realname);
if (dbname)
ECPGfree(dbname);
return false;
}
#ifdef ENABLE_THREAD_SAFETY
pthread_mutex_unlock(&connections_mutex);
#endif
if (host)
ECPGfree(host);
if (port)
ECPGfree(port);
if (options)
ECPGfree(options);
if (realname)
ECPGfree(realname);
if (dbname)
ECPGfree(dbname);
this->committed = true;
this->autocommit = autocommit;
PQsetNoticeReceiver(this->connection, &ECPGnoticeReceiver, (void *) this);
return true;
}
void
ecpg_raise_backend(int line, PGresult *result, PGconn *conn, int compat)
{
struct sqlca_t *sqlca = ECPGget_sqlca();
char *sqlstate;
char *message;
if (sqlca == NULL)
{
ecpg_log("out of memory");
ECPGfree_auto_mem();
return;
}
if (result)
{
sqlstate = PQresultErrorField(result, PG_DIAG_SQLSTATE);
if (sqlstate == NULL)
sqlstate = ECPG_SQLSTATE_ECPG_INTERNAL_ERROR;
message = PQresultErrorField(result, PG_DIAG_MESSAGE_PRIMARY);
}
else
{
sqlstate = ECPG_SQLSTATE_ECPG_INTERNAL_ERROR;
message = PQerrorMessage(conn);
}
if (strcmp(sqlstate, ECPG_SQLSTATE_ECPG_INTERNAL_ERROR) == 0)
{
/*
* we might get here if the connection breaks down, so let's check for
* this instead of giving just the generic internal error
*/
if (PQstatus(conn) == CONNECTION_BAD)
{
sqlstate = "57P02";
message = ecpg_gettext("the connection to the server was lost");
}
}
/* copy error message */
snprintf(sqlca->sqlerrm.sqlerrmc, sizeof(sqlca->sqlerrm.sqlerrmc), "%s on line %d", message, line);
sqlca->sqlerrm.sqlerrml = strlen(sqlca->sqlerrm.sqlerrmc);
/* copy SQLSTATE */
strncpy(sqlca->sqlstate, sqlstate, sizeof(sqlca->sqlstate));
/* assign SQLCODE for backward compatibility */
if (strncmp(sqlca->sqlstate, "23505", sizeof(sqlca->sqlstate)) == 0)
sqlca->sqlcode = INFORMIX_MODE(compat) ? ECPG_INFORMIX_DUPLICATE_KEY : ECPG_DUPLICATE_KEY;
else if (strncmp(sqlca->sqlstate, "21000", sizeof(sqlca->sqlstate)) == 0)
sqlca->sqlcode = INFORMIX_MODE(compat) ? ECPG_INFORMIX_SUBSELECT_NOT_ONE : ECPG_SUBSELECT_NOT_ONE;
else
sqlca->sqlcode = ECPG_PGSQL;
/* %.*s is safe here as long as sqlstate is all-ASCII */
ecpg_log("raising sqlstate %.*s (sqlcode %ld): %s\n",
(int) sizeof(sqlca->sqlstate), sqlca->sqlstate, sqlca->sqlcode, sqlca->sqlerrm.sqlerrmc);
/* free all memory we have allocated for the user */
ECPGfree_auto_mem();
}
