bool
EXsys_report( register EX_ARGS *exargs, char *buffer )
{
/*
** Number of message arguments; we add 2 because the PC and PSL are
** present in exarg_array (which is simply the exception signal vector)
** but aren't counted in exarg_count.
*/
i4 arg_count = exargs->exarg_count + 2;
/* Report Hardware Exceptions
**
** This should report all hardware or system exceptions (including
** those that get mapped into internal Ingres exceptions. All available
** program information should be formatted and printed into the output
** buffer.
**
** We return FALSE for normal INGRES exceptions. These are exceptions
** where:
** 1. The exception number is in the correct range for INGRES
** exceptions. Unfortunately, this will also be true if someone
** signals an RMS failure. So in addition, we check that:
** 2. The signal array's PC is where lib$signal returns to EXsignal,
** meaning that EXsignal signaled this exception.
*/
/*
** if (CLERROR(exargs->exarg_num) &&
** exargs->exarg_array[arg_count-2] == &EXsignal_PC)
*/
if (CLERROR(exargs->exarg_num))
{
return FALSE;
}
else
{
char bufs[256];
$DESCRIPTOR(buf, bufs);
unsigned short len;
unsigned char info[4];
EXdump(EV_SIGVIO_DUMP);
if ( !in_sysrep )
{
in_sysrep = TRUE;
if (Ex_print_stack)
{
Ex_print_stack(NULL, NULL, NULL, ex_print_error, TRUE);
}
in_sysrep = FALSE;
}
lib$sys_getmsg(&exargs->exarg_num, &len, &buf, 0, info);
if (info[1] == 0 || arg_count < info[1])
{
/*
** No args or insufficient args; don't try to format it.
*/
STlcopy(bufs, buffer, len);
}
else
{
$DESCRIPTOR(obuf, buffer);
/* Format it. Use lib$sys_faol, so any number of args works */
obuf.dsc$w_length = buf.dsc$w_length;
buf.dsc$w_length = len;
lib$sys_faol(&buf, &len, &obuf, exargs->exarg_array);
buffer[len] = '\0';
}
return TRUE;
}
}
STATUS
ERslookup(
i4 msg_number,
CL_ERR_DESC *clerror,
i4 flags,
char *sqlstate,
char *msg_buf,
i4 msg_buf_size,
i4 language,
i4 *msg_length,
CL_ERR_DESC *err_code,
i4 num_param,
ER_ARGUMENT *param )
{
i4 erindex; /* index of ERmulti table */
i4 status;
i4 length = 0;
ER_ARGUMENT *p;
ER_ARGUMENT hidden[CLE_INFO_ITEMS]; /* to access info in clerror */
char tempbuf[ER_MAX_LEN+ER_MAX_NAME+2];
i4 templen;
char *p_msg_buf;
char *p_tempbuf;
SYSTIME stime;
char langbuf[ER_MAX_LANGSTR];
EX_CONTEXT context;
ER_SEMFUNCS *sems;
#define D_WIDTH 23
#define F_WIDTH 20
#define X_WIDTH 18
/* Validate the parameters. */
if (msg_buf == 0 || msg_buf_size == 0 || msg_length == 0)
{
return (ER_BADPARAM);
}
if (language != -1 && ERlangstr(language,langbuf) != OK)
{
return (ER_BADLANGUAGE);
}
if (!(flags & ER_NAMEONLY))
{
EXdump(msg_number,0);
}
/* Insert timestamp if requested. */
if (flags & ER_TIMESTAMP)
{
if (msg_buf_size < 21)
{
return (ER_TOOSMALL);
}
TMnow(&stime);
TMstr(&stime,msg_buf);
length = (i4)STlength(msg_buf);
msg_buf[length++] = ' ';
}
/*
** if (clerror && msg_number)
** look up msg_number, optional parameters in clerror->moreinfo
** else if (clerror)
** {
** if (clerror->intern)
** look up clerror.intern, optional params in clerror->moreinfo
** if (clerror->callid)
** look up system error message
** }
*/
if (clerror)
{
if (msg_number) /* Look up message after system error */
{
/*
** Set up an ER_ARGUMENT that references system-dependent
** information in `clerror', and point `param' at it.
*/
i4 i;
for (i = 0; i < CLE_INFO_ITEMS; ++i)
{
/* "...all of whose members begin at offset 0..." (K&R) */
hidden[i].er_value = (PTR)&clerror->moreinfo[i].data._i4;
hidden[i].er_size = clerror->moreinfo[i].size;
}
param = &hidden[0];
num_param = CLE_INFO_ITEMS;
}
else /* retrieve system-dependent error messages */
{
i4 len;
ER_ARGUMENT argv[3];
if (clerror->intern) /* look up internal CL error */
{
i4 i;
for (i = 0; i < CLE_INFO_ITEMS; ++i)
{
argv[i].er_value = (PTR)&clerror->moreinfo[i].data._i4;
argv[i].er_size = clerror->moreinfo[i].size;
}
/*
** Don't timestamp on recursive call, since it's been done
** already (if requested).
*/
if ((status = ERslookup((i4) clerror->intern,
(CL_ERR_DESC*) NULL, flags & ~ER_TIMESTAMP | ER_TEXTONLY,
NULL, &msg_buf[length], msg_buf_size-length, language, &len,
err_code, CLE_INFO_ITEMS, argv)) != OK)
{
return (status);
}
length += len;
if (clerror->callid)
msg_buf[length++] = '\n';
}
if (clerror->callid) /* look up system error message text */
{
DESCRIPTOR msg_desc;
msg_desc.desc_length = sizeof(tempbuf) - 1;
msg_desc.desc_value = tempbuf;
if ((status = cer_sysgetmsg(clerror, &len, &msg_desc, err_code))
!= OK)
{
return(status);
}
argv[0].er_size = argv[1].er_size = argv[2].er_size =
ER_PTR_ARGUMENT;
argv[0].er_value = (PTR)&clerror->errnum;
argv[1].er_value = (PTR)ERNAME((i4) clerror->callid);
argv[2].er_value = (PTR)tempbuf;
if ((status = ERslookup(ER_UNIXERROR, (CL_ERR_DESC*) NULL,
flags & ~ER_TIMESTAMP | ER_TEXTONLY, NULL,
&msg_buf[length], msg_buf_size - length, language,
&len,err_code, 3, argv))
!= OK)
{
return (status);
}
length += len;
}
msg_buf[*msg_length = length] = EOS;
return (OK);
}
}
/*
** Check if error message file is already opened or not yet.
** First see if the language is initialized. If not, initialize
** it and the message files.
** If it is already opened, cer_fndindex function returns the index of
** ERmulti table that internal language code is parameter 'language'.
** If not yet, it returns '-1'.
*/
if (cer_issem(&sems))
{
if (((sems->sem_type & MU_SEM) ?
(*sems->er_p_semaphore)(&sems->er_mu_sem) :
(*sems->er_p_semaphore)(1, &sems->er_sem)) != OK)
{
sems = NULL;
}
}
if ((erindex = cer_fndindex(language)) == -1)
{
if ((status = cer_nxtindex(language,&erindex)) != OK)
{ /* Error in initializing the language */
if (sems)
{
if (sems->sem_type & MU_SEM)
_VOID_ (*sems->er_v_semaphore)(&sems->er_mu_sem);
else
_VOID_ (*sems->er_v_semaphore)(&sems->er_sem);
}
return (status);
}
}
/* If the error message file is not opened, open the message file. */
if (!cer_isopen(erindex,ER_SLOWSIDE))
{
if ((status = cer_sinit(language,msg_number,erindex,err_code)) != OK)
{
if (sems)
{
if (sems->sem_type & MU_SEM)
_VOID_ (*sems->er_v_semaphore)(&sems->er_mu_sem);
else
_VOID_ (*sems->er_v_semaphore)(&sems->er_sem);
}
return (status);
}
}
/* If not open then just return. */
if (!cer_isopen(erindex,ER_SLOWSIDE))
{
if (sems)
{
if (sems->sem_type & MU_SEM)
_VOID_ (*sems->er_v_semaphore)(&sems->er_mu_sem);
else
_VOID_ (*sems->er_v_semaphore)(&sems->er_sem);
}
/*
** As internal file id is '0', openning file will fail.
** In her,return status 'ER_BADOPEN' to show open fail.
*/
return (ER_BADOPEN);
}
/*
** Search message string from file and set to buffer.
** Error status on system call set to 'err_code'.
*/
status = cer_sstr(msg_number, sqlstate, tempbuf,
msg_buf_size - length, erindex, err_code,
flags & ER_TEXTONLY? ER_GET : ER_LOOKUP);
if (sems)
{
if (sems->sem_type & MU_SEM)
_VOID_ (*sems->er_v_semaphore)(&sems->er_mu_sem);
else
_VOID_ (*sems->er_v_semaphore)(&sems->er_sem);
}
if (status != OK)
{
return (status);
}
/*
** Format the text with parameters into the callers buffer.
** The message is truncated if it will not fit.
*/
/* Insert part of name from temporary buffer to buffer */
status = OK;
templen = (i4)STlength(tempbuf);
p_msg_buf = &msg_buf[length];
p_tempbuf = tempbuf;
if (!(flags & ER_TEXTONLY))
{
while(*p_tempbuf != '\t')
{
CMcpyinc(p_tempbuf,p_msg_buf);
}
CMcpyinc(p_tempbuf,p_msg_buf);
}
/* ============================================ */
/* Copy text to message substituting arguments. */
/* -------------------------------------------- */
/* (But first, declare an exception handler to */
/* catch bad params that may access violate.) */
/* ============================================ */
if (EXdeclare(er_exhandler, &context))
{
u_i4 res_len;
u_i4 bytes_left_in_buf;
bytes_left_in_buf = (u_i4)(msg_buf_size - (p_msg_buf - msg_buf));
res_len = STlen( STncpy(p_msg_buf,
ERx("*** ERslookup() ERROR: Missing or bad parameter for this message. ***"),
bytes_left_in_buf ));
p_msg_buf[ bytes_left_in_buf - 1 ] = EOS;
p_msg_buf += res_len;
*msg_length = (i4)(p_msg_buf - msg_buf);
EXdelete();
return (OK);
}
for( ;p_tempbuf - tempbuf < templen; CMnext(p_tempbuf))
{
long number;
u_long unumber;
double fnumber;
i4 i;
i4 pnum;
if ( (*p_tempbuf != '%') || (flags & ER_NOPARAM) )
{
if ((p_msg_buf - msg_buf) >= msg_buf_size)
break;
CMcpychar(p_tempbuf,p_msg_buf);
CMnext(p_msg_buf);
continue;
}
if (p_tempbuf - tempbuf + 2 >= templen)
continue;
CMnext(p_tempbuf);
if (*p_tempbuf == '!')
{
if ((p_msg_buf - msg_buf) + 3 >= msg_buf_size)
continue;
CMcpychar(ERx("\r"),p_msg_buf);
CMnext(p_msg_buf);
CMcpychar(ERx("\n"),p_msg_buf);
CMnext(p_msg_buf);
CMcpychar(ERx("\t"),p_msg_buf);
CMnext(p_msg_buf);
continue;
}
/*
** Only works for up to 10 parameters, and makes character set
** assumptions - should be fixed.
*/
if ( *p_tempbuf < '0' || *p_tempbuf > '9' )
{
/* treat any other character as a literal */
if ((p_msg_buf - msg_buf) >= msg_buf_size)
break;
if ( *p_tempbuf != '%' )
{
CMcpychar("%",p_msg_buf);
CMnext(p_msg_buf);
}
CMcpychar(p_tempbuf,p_msg_buf);
CMnext(p_msg_buf);
continue;
}
pnum = *p_tempbuf - '0';
if (pnum >= num_param)
{
EXdelete();
return(ER_BADPARAM);
}
p = ¶m[pnum];
CMnext(p_tempbuf);
switch (*p_tempbuf)
{
case 'd':
/* Convert an integer into the buffer with width D_WIDTH */
if (p->er_size == ER_PTR_ARGUMENT) /* this is ptr to i4 */
number = *(i4 *)p->er_value;
else if (p->er_size == 0) /* this is a i4 */
number = (i4)(SCALARP)p->er_value;
else if (p->er_size == 1)
number = *(i1 *)p->er_value;
else if (p->er_size == 2)
number = *(i2 *)p->er_value;
else if (p->er_size == 4)
number = *(i4 *)p->er_value;
else if (p->er_size == 8)
number = *(i8 *)p->er_value;
else
continue;
if (p_msg_buf - msg_buf + D_WIDTH >= msg_buf_size)
continue;
if (p->er_size == 8)
{
CVla8(number, p_msg_buf);
}
else
{
CVla((i4)number, p_msg_buf);
}
while (*p_msg_buf)
CMnext(p_msg_buf);
continue;
case 'u':
/* Convert an integer into the buffer with width D_WIDTH */
if (p->er_size == ER_PTR_ARGUMENT) /* this is ptr to u_i4 */
number = *(u_i4 *)p->er_value;
else if (p->er_size == 0) /* this is a u_i4 */
number = (u_i4)(SCALARP)p->er_value;
else if (p->er_size == 1)
number = *(u_i1 *)p->er_value;
else if (p->er_size == 2)
number = *(u_i2 *)p->er_value;
else if (p->er_size == 4)
number = *(u_i4 *)p->er_value;
else if (p->er_size == 8)
number = *(u_i8 *)p->er_value;
else
continue;
if (p_msg_buf - msg_buf + D_WIDTH >= msg_buf_size)
continue;
if (p->er_size == 8)
{
CVula8(number, p_msg_buf);
}
else
{
CVula((u_i4)number, p_msg_buf);
}
while (*p_msg_buf)
CMnext(p_msg_buf);
continue;
case 'f':
{
i2 res_width;
/* Convert a float into the buffer with width F_WIDTH */
if (p->er_size == ER_PTR_ARGUMENT) /* Pointer to a double */
fnumber = *(double *)p->er_value;
else if (p->er_size == 4)
fnumber = *(f4 *)p->er_value;
else if (p->er_size == 8)
fnumber = *(f8 *)p->er_value;
else
continue;
if (p_msg_buf - msg_buf + F_WIDTH >= msg_buf_size)
continue;
/* Always convert to 'e' format. */
CVfa(fnumber, (i4) 20, (i4) 5, 'e', '.', p_msg_buf, &res_width);
p_msg_buf += F_WIDTH;
continue;
}
case 'c':
/* Convert a character array into buffer. */
if (p->er_value == 0)
p->er_value = (PTR)ERx("<missing>");
if ((p->er_size == 0) || (p->er_size == ER_PTR_ARGUMENT))
{
for (i = 0; ((char *)p->er_value)[i]; i++)
;
p->er_size = i;
}
if (p_msg_buf - msg_buf + p->er_size >= msg_buf_size)
continue;
if (p->er_size > msg_buf_size - (p_msg_buf - msg_buf))
p->er_size = (i4)(msg_buf_size - (p_msg_buf - msg_buf));
/* p->er_size=STtrmwhite(p_msg_buf);*/
MEcopy(p->er_value, p->er_size, p_msg_buf);
p->er_size = (i4)STtrmnwhite(p_msg_buf, p->er_size);
p_msg_buf += p->er_size;
continue;
case 'x':
/* Convert an integer into the buffer with width D_WIDTH */
if (p->er_size == ER_PTR_ARGUMENT)
unumber = *(u_i4 *)p->er_value;
else if (p->er_size == 0)
unumber = (u_i4)(SCALARP)p->er_value;
else if (p->er_size == 1)
unumber = *(u_i1 *)p->er_value;
else if (p->er_size == 2)
unumber = *(u_i2 *)p->er_value;
else if (p->er_size == 4)
unumber = *(u_i4 *)p->er_value;
else if (p->er_size == 8)
unumber = *(u_i8 *)p->er_value;
if (p_msg_buf - msg_buf + X_WIDTH >= msg_buf_size)
continue;
for (i = 8; --i >= 0; )
{
/* {@fix_me@}
** This is *NOT* machine independent. This relys on an
** ASCII-like character set, where the digits '0'-'9' are
** contiguous and sequential, and the characters 'A'-'F'
** are contiguous and sequential. Both ASCII and EBCDIC
** happen to be this way.
*/
if ((*(p_msg_buf + i) = (unumber & 0x0f) + '0') > '9')
*(p_msg_buf + i) += 'A' - '9' - 1;
unumber >>= 4;
}
p_msg_buf += 8;
continue;
default:
continue;
}
}
*msg_length = (i4)(p_msg_buf - msg_buf);
*p_msg_buf = EOS;
EXdelete();
return (OK);
}
