/*-------------------------------------------------------------------------
* Function: _lite_SC_pr_tok
*
* Purpose: Returns a pointer to the first token and points S to
* the next element in the string.
*
* Return: Success: First token in S
*
* Failure: NULL
*
* Programmer: Adapted from PACT SCORE
* Mar 12, 1996
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
char *
_lite_SC_pr_tok (char *s, char *delim) {
int i, j;
if (!s) return NULL;
i = strcspn(s, delim);
j = strlen(s);
if ((i == 0) && (i != j)) {
s++;
return(lite_SC_firsttok(s, delim));
}
s[i] = '\0';
strcpy(tokbuffer, s);
/*
* Take care of last token in string.
*/
if (i == j) *s = '\0';
else strcpy(s, s+i+1);
s += strlen(s) + 1;
strcpy(s, tokbuffer);
return(s);
}
syment *
lite_PD_defent (PDBfile *file, char *name, char *outtype, long number,
dimdes *dims) {
long addr, bytespitem;
defstr *dp;
syment *ep;
char bf[MAXLINE], *lname;
ep = NULL;
switch (setjmp(_lite_PD_write_err)) {
case ABORT:
return(NULL);
case ERR_FREE:
return ep;
default:
memset(lite_PD_err, 0, MAXLINE);
break;
}
/*
* If there are pointers involved it is an error.
*/
dp = PD_inquire_type(file, outtype);
if (dp == NULL)
lite_PD_error("UNKNOWN FILE TYPE - _PD_DEFENT", PD_WRITE);
if (dp->n_indirects) {
lite_PD_error("CAN'T DEFINE ENTRY WITH INDIRECTS - _PD_DEFENT",
PD_WRITE);
}
ep = lite_PD_inquire_entry (file, name, FALSE, NULL);
if (ep == NULL) {
/*
* If this is a new entry.
*/
addr = file->chrtaddr;
ep = _lite_PD_mk_syment (outtype, number, addr, NULL, dims);
strcpy(bf, _lite_PD_fixname(file, name));
lname = lite_SC_firsttok(bf, ".([ ");
_lite_PD_e_install(lname, ep, file->symtab);
bytespitem = _lite_PD_lookup_size(outtype, file->chart);
ep = _lite_PD_extend_file(file, number*bytespitem) ? ep : NULL;
} else {
/*
* If this is only a new block.
*/
ep = _lite_PD_add_block(file, ep, dims) ? ep : NULL;
}
return ep;
}
int
lite_PD_write_as (PDBfile *file, char *name, char *intype, char *outtype,
lite_SC_byte *vr) {
syment *ep;
dimdes *dims;
char *lname, fullpath[MAXLINE];
strcpy(fullpath, _lite_PD_fixname(file, name));
lname = lite_SC_firsttok(fullpath, ".");
dims = _lite_PD_ex_dims(lname, file->default_offset, FALSE);
ep = _PD_write(file, name, intype, outtype, vr, dims, _append_flag);
if (ep != NULL) {
_lite_PD_rl_syment_d(ep);
return(TRUE);
} else {
return(FALSE);
}
}
static syment *
_PD_write (PDBfile *file, char *name, char *intype, char *outtype,
lite_SC_byte *vr, dimdes *dims, int appnd) {
int reset;
syment *ep;
long number, addr;
char bf[MAXLINE], fullpath[MAXLINE], *lname;
_append_flag = FALSE;
ep = NULL;
switch (setjmp(_lite_PD_write_err)) {
case ABORT : return(NULL);
case ERR_FREE : return(ep);
default : memset(lite_PD_err, 0, MAXLINE);
break;
}
if (file->mode == PD_OPEN) {
lite_PD_error("FILE OPENED IN READ-ONLY MODE - _PD_WRITE", PD_WRITE);
}
strcpy(fullpath, _lite_PD_fixname(file, name));
/*
* Append a new block to an existing entry if TRUE.
*/
if (appnd) {
strcpy(bf, fullpath);
/*
* Do this so that things such as a[20:20].b work properly
* NOTE: this also implies that a[20:20].b.c works while
* a.b[20:20].c doesn't
* for now this defines the semantics of append (10/6/93)
*/
lname = lite_SC_firsttok(bf, ".()[]");
ep = lite_PD_inquire_entry(file, lname, FALSE, NULL);
if (ep == NULL) {
lite_PD_error("CAN'T APPEND TO NON-EXISTING ENTRY - _PD_WRITE",
PD_WRITE);
}
_lite_PD_adj_dimensions(file, fullpath, ep);
/*
* Extend the syment.
*/
_lite_PD_add_block(file, ep, dims);
}
addr = file->chrtaddr;
ep = _lite_PD_effective_ep(file, fullpath, FALSE, NULL);
if (ep != NULL) {
/*
* If the variable already exists use the existing file info.
*/
addr = PD_entry_address(ep);
_lite_PD_rl_dimensions(dims);
lname = fullpath;
reset = FALSE;
} else {
/*
* If the variable doesn't exist define it to the file.
*/
number = _lite_PD_comp_num(dims);
ep = _lite_PD_mk_syment(outtype, number, addr, NULL, dims);
strcpy(bf, fullpath);
lname = lite_SC_firsttok(bf, ".([ ");
_lite_PD_e_install(lname, ep, file->symtab);
reset = TRUE;
}
if (file->virtual_internal) {
SC_address ad;
ad.memaddr = vr;
ep->blocks->diskaddr = ad.diskaddr;
lite_SC_mark(vr, 1);
ep = lite_PD_copy_syment(ep);
} else {
if (outtype == NULL) outtype = PD_entry_type(ep);
if (intype == NULL) intype = outtype;
/*
* Go to the correct address.
*/
if (io_seek(file->stream, addr, SEEK_SET)) {
lite_PD_error("FSEEK FAILED TO FIND CURRENT ADDRESS - _PD_WRITE",
PD_WRITE);
}
/*
* Do the low level write.
*/
if (!_lite_PD_hyper_write(file, lname, ep, vr, intype)) {
lite_PD_error("CAN'T WRITE VARIABLE - _PD_WRITE", PD_WRITE);
}
/*
* If the variable didn't previously exist we're at the end
* of the file.
*/
if (reset) {
file->chrtaddr = io_tell(file->stream);
if (file->chrtaddr == -1L) {
lite_PD_error("CAN'T FIND ADDRESS OF NEXT VARIABLE - _PD_WRITE",
PD_WRITE);
}
/*
* Make a releasable copy of the entry
* SX depends on this critically!!
*/
ep = lite_PD_copy_syment(ep);
}
}
return(ep);
}
