sed: Can't open /usr/web/plan9/sources.html #include "tdef.h" #include "ext.h" #include "fns.h" #include <ctype.h> /* * n6.c -- width functions, sizes and fonts */ n_width(Tchar j) { int i, k; if (iszbit(j)) return 0; if (ismot(j)) { if (isvmot(j)) return(0); k = absmot(j); if (isnmot(j)) k = -k; return(k); } i = cbits(j); if (i < ' ') { if (i == '\b') return(-widthp); if (i == PRESC) i = eschar; else if (i == HX) return(0); } if (i == ohc) return(0); i = trtab[i]; if (i < ' ') return(0); if (i >= t.tfont.nchars) /* not on the font */ k = t.Char; /* really ought to check properly */ else k = t.tfont.wp[i].wid * t.Char; widthp = k; return(k); } Tchar n_setch(int c) { return t_setch(c); } Tchar n_setabs(void) /* set absolute char from \N'...' */ { /* for now, a no-op */ return t_setabs(); } int n_findft(int i) { int k; if ((k = i - '0') >= 0 && k <= nfonts && k < smnt) return(k); for (k = 0; fontlab[k] != i; k++) if (k > nfonts) return(-1); return(k); } void n_mchbits(void) { chbits = 0; setfbits(chbits, font); sps = width(' ' | chbits); } void n_setps(void ) { int i, j; i = cbits(getch()); if (isdigit(i)) { /* \sd or \sdd */ i -= '0'; if (i == 0) { /* \s0 */ ; } else if (i <= 3 && (ch=getch()) && isdigit(cbits(ch))) { /* \sdd */ ch = 0; } } else if (i == '(') { /* \s(dd */ getch(); getch(); } else if (i == '+' || i == '-') { /* \s+, \s- */ j = cbits(getch()); if (isdigit(j)) { /* \s+d, \s-d */ ; } else if (j == '(') { /* \s+(dd, \s-(dd */ getch(); getch(); } } } Tchar n_setht(void) /* set character height from \H'...' */ { getch(); inumb(&apts); getch(); return(0); } Tchar n_setslant(void) /* set slant from \S'...' */ { int n; getch(); n = 0; n = inumb(&n); getch(); return(0); } void n_caseft(void) { skip(); setfont(1); } void n_setfont(int a) { int i, j; if (a) i = getrq(); else i = getsn(); if (!i || i == 'P') { j = font1; goto s0; } if (i == 'S' || i == '0') return; if ((j = findft(i)) == -1) return; s0: font1 = font; font = j; mchbits(); } void n_setwd(void) { int base, wid; Tchar i; int delim, emsz, k; int savhp, savapts, savapts1, savfont, savfont1, savpts, savpts1; base = numtabp[ST].val = numtabp[ST].val = wid = numtabp[CT].val = 0; if (ismot(i = getch())) return; delim = cbits(i); savhp = numtabp[HP].val; numtabp[HP].val = 0; savapts = apts; savapts1 = apts1; savfont = font; savfont1 = font1; savpts = pts; savpts1 = pts1; setwdf++; while (cbits(i = getch()) != delim && !nlflg) { k = width(i); wid += k; numtabp[HP].val += k; if (!ismot(i)) { emsz = (INCH * pts + 36) / 72; } else if (isvmot(i)) { k = absmot(i); if (isnmot(i)) k = -k; base -= k; emsz = 0; } else continue; if (base < numtabp[SB].val) numtabp[SB].val = base; if ((k = base + emsz) > numtabp[ST].val) numtabp[ST].val = k; } setn1(wid, 0, (Tchar) 0); numtabp[HP].val = savhp; apts = savapts; apts1 = savapts1; font = savfont; font1 = savfont1; pts = savpts; pts1 = savpts1; mchbits(); setwdf = 0; } Tchar n_vmot(void) { dfact = lss; vflag++; return n_mot(); } Tchar n_hmot(void) { dfact = EM; return n_mot(); } Tchar n_mot(void) { int j, n; Tchar i; j = HOR; getch(); /*eat delim*/ if (n = atoi0()) { if (vflag) j = VERT; i = makem(quant(n, j)); } else i = 0; getch(); vflag = 0; dfact = 1; return(i); } Tchar n_sethl(int k) { int j; Tchar i; j = t.Halfline; if (k == 'u') j = -j; else if (k == 'r') j = -2 * j; vflag++; i = makem(j); vflag = 0; return(i); } Tchar n_makem(int i) { Tchar j; if (i >= 0) j = i; else j = -i; j |= MOT; if (i < 0) j |= NMOT; if (vflag) j |= VMOT; return(j); } void n_casefp(void) { int i, j; skip(); if ((i = cbits(getch()) - '0') < 0 || i > nfonts) return; if (skip() || !(j = getrq())) return; fontlab[i] = j; } void n_casebd(void) { int i, j, k; j = k = 0; bd0: if (skip() || !(i = getrq()) || (j = findft(i)) == -1) { if (k) goto bd1; else return; } if (j == smnt) { k = smnt; goto bd0; } if (k) { sbold = j; j = k; } bd1: skip(); noscale++; bdtab[j] = atoi0(); noscale = 0; } void n_casevs(void) { int i; skip(); vflag++; dfact = INCH; /*default scaling is points!*/ dfactd = 72; res = VERT; i = inumb(&lss); if (nonumb) i = lss1; if (i < VERT) i = VERT; /* was VERT */ lss1 = lss; lss = i; } Tchar n_xlss(void) { /* stores \x'...' into /* two successive Tchars. /* the first contains HX, the second the value, /* encoded as a vertical motion. /* decoding is done in n2.c by pchar(). */ int i; getch(); dfact = lss; i = quant(atoi0(), VERT); dfact = 1; getch(); if (i >= 0) *pbp++ = MOT | VMOT | i; else *pbp++ = MOT | VMOT | NMOT | -i; return(HX); } sed: Can't open /usr/web/plan9/sources.html