unsigned int skipwc() { unsigned int c; while (c = nextwc(), space(c)) ; return (c); }
unsigned int skipwc(void) { register unsigned int c; while (c = nextwc(), space(c)) ; return (c); }
int word(void) { register unsigned int c, d, cc; struct argnod *arg = (struct argnod *)locstak(); register 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); }
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 */ } }