void
copy(struct ionod *ioparg)
{
unsigned char *cline;
unsigned char *clinep;
struct ionod *iop;
unsigned int c;
unsigned char *ends;
unsigned char *start;
int fd;
int i;
int stripflg;
unsigned char *pc;
if (iop = ioparg)
{
struct tempblk tb;
copy(iop->iolst);
ends = mactrim(iop->ioname);
stripflg = iop->iofile & IOSTRIP;
if (nosubst)
iop->iofile &= ~IODOC;
fd = tmpfil(&tb);
if (fndef)
iop->ioname = (char *) make(tmpout);
else
iop->ioname = (char *) cpystak(tmpout);
iop->iolst = iotemp;
iotemp = iop;
cline = clinep = start = locstak();
if (stripflg)
{
iop->iofile &= ~IOSTRIP;
while (*ends == '\t')
ends++;
}
for (;;)
{
chkpr();
if (nosubst)
{
c = readwc();
if (stripflg)
while (c == '\t')
c = readwc();
while (!eolchar(c))
{
pc = readw(c);
while (*pc) {
if (clinep >= brkend)
growstak(clinep);
*clinep++ = *pc++;
}
c = readwc();
}
}else{
c = nextwc();
if (stripflg)
while (c == '\t')
c = nextwc();
while (!eolchar(c))
{
pc = readw(c);
while (*pc) {
if (clinep >= brkend)
growstak(clinep);
*clinep++ = *pc++;
}
if (c == '\\')
{
pc = readw(readwc());
/* *pc might be NULL */
if (*pc) {
while (*pc) {
if (clinep >= brkend)
growstak(clinep);
*clinep++ = *pc++;
}
} else {
if (clinep >= brkend)
growstak(clinep);
*clinep++ = *pc;
}
}
c = nextwc();
}
}
if (clinep >= brkend)
growstak(clinep);
*clinep = 0;
if (eof || eq(cline, ends))
{
if ((i = cline - start) > 0)
write(fd, start, i);
break;
}else{
if (clinep >= brkend)
growstak(clinep);
*clinep++ = NL;
}
if ((i = clinep - start) < CPYSIZ)
cline = clinep;
else
{
write(fd, start, i);
cline = clinep = start;
}
}
poptemp(); /*
* pushed in tmpfil -- bug fix for problem
* deleting in-line scripts
*/
}
}
static void
addg(unsigned char *as1, unsigned char *as2,
unsigned char *as3, unsigned char *as4)
{
register unsigned char *s1, *s2;
register int c;
int len;
wchar_t wc;
s2 = locstak() + BYTESPERWORD;
s1 = as1;
if (as4) {
while (c = *s1++)
{
if (s2 >= brkend)
growstak(s2);
*s2++ = c;
}
/*
* Restore first slash before the first metacharacter
* if as1 is not "/"
*/
if (as4 + 1 == s1) {
if (s2 >= brkend)
growstak(s2);
*s2++ = '/';
}
}
/* add matched entries, plus extra \\ to escape \\'s */
s1 = as2;
for (;;)
{
if ((len = nextc(&wc, (char *)s1)) <= 0) {
len = 1;
wc = (unsigned char)*s1;
}
if (s2 >= brkend)
growstak(s2);
if (wc == 0) {
*s2 = *s1++;
break;
}
if (wc == '\\') {
*s2++ = '\\';
if (s2 >= brkend)
growstak(s2);
*s2++ = '\\';
s1++;
continue;
}
if ((s2 + len) >= brkend)
growstak(s2 + len);
memcpy(s2, s1, len);
s2 += len;
s1 += len;
}
if (s1 = as3)
{
if (s2 >= brkend)
growstak(s2);
*s2++ = '/';
do
{
if (s2 >= brkend)
growstak(s2);
}
while (*s2++ = *++s1);
}
makearg((struct argnod *)endstak(s2));
}
void
addblok(unsigned int reqd)
{
if (stakbot == 0) {
brkbegin = setbrk(3 * BRKINCR);
/*
* setbrk() returns 8 byte aligned address
* but we could need larger align in future
*/
brkbegin = (unsigned char *)round(brkbegin, ALIGNSIZ);
bloktop = (struct blk *)brkbegin;
}
if (stakbas != staktop) {
unsigned char *rndstak;
struct blk *blokstak;
if (staktop >= brkend)
growstak(staktop);
pushstak(0);
rndstak = (unsigned char *)round(staktop, ALIGNSIZ);
blokstak = (struct blk *)(stakbas) - 1;
blokstak->word = stakbsy;
stakbsy = blokstak;
bloktop->word = (struct blk *)(Rcheat(rndstak) | BUSY);
bloktop = (struct blk *)(rndstak);
}
reqd += brkincr;
reqd &= ~(brkincr - 1);
blokp = bloktop;
/*
* brkend points to the first invalid address.
* make sure bloktop is valid.
*/
if ((unsigned char *)&bloktop->word >= brkend) {
if (setbrk((unsigned)((unsigned char *)
(&bloktop->word) - brkend + sizeof (struct blk))) ==
(unsigned char *)-1)
error(nospace);
}
bloktop = bloktop->word = (struct blk *)(Rcheat(bloktop) + reqd);
if ((unsigned char *)&bloktop->word >= brkend) {
if (setbrk((unsigned)((unsigned char *)
(&bloktop->word) - brkend + sizeof (struct blk))) ==
(unsigned char *)-1)
error(nospace);
}
bloktop->word = (struct blk *)(brkbegin + 1);
{
unsigned char *stakadr = (unsigned char *)
(bloktop + 2);
unsigned char *sp = stakadr;
if (reqd = (staktop-stakbot)) {
if (stakadr + reqd >= brkend)
growstak(stakadr + reqd);
while (reqd-- > 0)
*sp++ = *stakbot++;
sp--;
}
staktop = sp;
if (staktop >= brkend)
growstak(staktop);
stakbas = stakbot = stakadr;
}
}
int
word(void)
{
unsigned int c, d, cc;
struct argnod *arg = (struct argnod *)locstak();
unsigned char *argp = arg->argval;
unsigned char *oldargp;
int alpha = 1;
unsigned char *pc;
wdnum = 0;
wdset = 0;
while (1)
{
while (c = nextwc(), space(c)) /* skipc() */
;
if (c == COMCHAR)
{
while ((c = readwc()) != NL && c != EOF);
peekc = c;
}
else
{
break; /* out of comment - white space loop */
}
}
if (!eofmeta(c))
{
do
{
if (c == LITERAL)
{
oldargp = argp;
while ((c = readwc()) && c != LITERAL){
/*
* quote each character within
* single quotes
*/
pc = readw(c);
if (argp >= brkend)
growstak(argp);
*argp++='\\';
/* Pick up rest of multibyte character */
if (c == NL)
chkpr();
while (c = *pc++) {
if (argp >= brkend)
growstak(argp);
*argp++ = (unsigned char)c;
}
}
if (argp == oldargp) { /* null argument - '' */
/*
* Word will be represented by quoted null
* in macro.c if necessary
*/
if (argp >= brkend)
growstak(argp);
*argp++ = '"';
if (argp >= brkend)
growstak(argp);
*argp++ = '"';
}
}
else
{
if (c == 0) {
if (argp >= brkend)
growstak(argp);
*argp++ = 0;
} else {
pc = readw(c);
while (*pc) {
if (argp >= brkend)
growstak(argp);
*argp++ = *pc++;
}
}
if (c == '\\') {
if ((cc = readwc()) == 0) {
if (argp >= brkend)
growstak(argp);
*argp++ = 0;
} else {
pc = readw(cc);
while (*pc) {
if (argp >= brkend)
growstak(argp);
*argp++ = *pc++;
}
}
}
if (c == '=')
wdset |= alpha;
if (!alphanum(c))
alpha = 0;
if (qotchar(c))
{
d = c;
for (;;)
{
if ((c = nextwc()) == 0) {
if (argp >= brkend)
growstak(argp);
*argp++ = 0;
} else {
pc = readw(c);
while (*pc) {
if (argp >= brkend)
growstak(argp);
*argp++ = *pc++;
}
}
if (c == 0 || c == d)
break;
if (c == NL)
chkpr();
/*
* don't interpret quoted
* characters
*/
if (c == '\\') {
if ((cc = readwc()) == 0) {
if (argp >= brkend)
growstak(argp);
*argp++ = 0;
} else {
pc = readw(cc);
while (*pc) {
if (argp >= brkend)
growstak(argp);
*argp++ = *pc++;
}
}
}
}
}
}
} while ((c = nextwc(), !eofmeta(c)));
argp = endstak(argp);
if (!letter(arg->argval[0]))
wdset = 0;
peekn = c | MARK;
if (arg->argval[1] == 0 &&
(d = arg->argval[0], digit(d)) &&
(c == '>' || c == '<'))
{
word();
wdnum = d - '0';
}else{ /* check for reserved words */
if (reserv == FALSE ||
(wdval = syslook(arg->argval,
reserved, no_reserved)) == 0) {
wdval = 0;
}
/* set arg for reserved words too */
wdarg = arg;
}
}else if (dipchar(c)){
if ((d = nextwc()) == c)
{
wdval = c | SYMREP;
if (c == '<')
{
if ((d = nextwc()) == '-')
wdnum |= IOSTRIP;
else
peekn = d | MARK;
}
}
else
{
peekn = d | MARK;
wdval = c;
}
}
else
{
if ((wdval = c) == EOF)
wdval = EOFSYM;
if (iopend && eolchar(c))
{
struct ionod *tmp_iopend;
tmp_iopend = iopend;
iopend = 0;
copy(tmp_iopend);
}
}
reserv = FALSE;
return (wdval);
}
