+/*
+ chktroff [-l] [-num] [file]
+
+ -l says list the code
+ -num num is octal offset into file
+ file if specified, read from file, otherwise stdin
+*/
+# define FEET 15.0
+#define DBL 0200
+#define BUFSIZ 1024
+/*
+C version of pti
+*/
+
+char *ap;
+char ibuf[BUFSIZ];
+char *ibufp = ibuf;
+char *eibufp = ibuf;
+int fid;
+int esc;
+int escd;
+int verd;
+int esct;
+int osize = 02;
+int size = 02;
+int leadtot;
+int railmag;
+int lead;
+int mcase;
+int stab[] = {010,0,01,07,02,03,04,05,0211,06,0212,0213,0214,0215,0216,0217};
+int rtab[] = {6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 28, 36, 18};
+char *asctab[128];
+char *spectab[128];
+long offset;
+int lflg = 1;
+int xxx;
+long bytetot = 0L;
+int init = 0, stop = 0;
+
+main(argc,argv)
+int argc;
+char **argv;
+{
+ register i, j;
+ register char *k;
+ extern ex();
+ double f;
+
+ while((--argc > 0) && ((++argv)[0][0]=='-')){
+ switch(argv[0][1]){
+ case 'l':
+ lflg = 0;
+ continue;
+ default:
+ ap = &argv[0][1];
+ while(((j = *ap++ - '0') >= 0)
+ && (j <= 9))offset = 8*offset +j;
+ continue;
+ }
+ }
+ if(argc){
+ if((fid=open(argv[0], 0)) < 0){
+ perror(argv[0]);
+ exit(1);
+ }
+ }
+ if((i = getc()) != 0100){
+ printf("Not typesetter format file. Sorry.\n");
+ exit(1);
+ }
+ escd = verd = mcase = railmag = 0;
+ if(!lflg)printf("Initialize\n");
+ init++;
+/*
+ lseek(fid,offset,0);
+*/
+ while((i = getc()) >= 0){
+ if(i & 0200){
+ if(!lflg)printf("%o ",i);
+ esc += (~i) & 0177;
+ continue;
+ }
+ if(esc){
+ if(escd){
+ if(!lflg)printf("< %d\n",esc);
+ esc = -esc;
+ }else{
+ if(!lflg)printf("> %d\n",esc);
+ }
+ esct += esc;
+ esc = 0;
+ }
+ if(!lflg)printf("%o ",i);
+ if(!i){if(!lflg)printf("\n"); continue;}
+ switch(i){
+ case 0100: /*init*/
+ escd = verd = mcase = railmag = 0;
+ if(!lflg)printf("Initialize\n");
+ init++;
+ continue;
+ case 0101: /*lower rail*/
+ railmag &= ~01;
+ if(!lflg)printf("Lower rail\n");
+ continue;
+ case 0102: /*upper rail*/
+ railmag |= 01;
+ if(!lflg)printf("Upper rail\n");
+ continue;
+ case 0103: /*upper mag*/
+ railmag |= 02;
+ if(!lflg)printf("Upper mag\n");
+ continue;
+ case 0104: /*lower mag*/
+ railmag &= ~02;
+ if(!lflg)printf("Lower mag\n");
+ continue;
+ case 0105: /*lower case*/
+ mcase = 0;
+ if(!lflg)printf("Lower case\n");
+ continue;
+ case 0106: /*upper case*/
+ mcase = 0100;
+ if(!lflg)printf("Upper case\n");
+ continue;
+ case 0107: /*escape forward*/
+ escd = 0;
+ if(!lflg)printf("> mode, %d\n",esct);
+ continue;
+ case 0110: /*escape backward*/
+ escd = 1;
+ if(!lflg)printf("< mode, %d\n",esct);
+ continue;
+ case 0111: /*stop*/
+ if(!lflg)printf("STOP\n");
+ stop++;
+ continue;
+ case 0112: /*lead forward*/
+ verd = 0;
+ if(!lflg)printf("Lead forward, %d\n",leadtot);
+ continue;
+ case 0114: /*lead backward*/
+ verd = 1;
+ if(!lflg)printf("Lead backward, %d\n",leadtot);
+ continue;
+ case 0115: /*undefined*/
+ case 0116:
+ case 0117:
+ case 0113:
+ if(!lflg)printf("Undefined code\n");
+ continue;
+ }
+ if((i & 0340) == 0140){ /*leading*/
+ lead = (~i) & 037;
+ if(!lflg)printf("Lead %d\n",lead);
+ if(verd)lead = -lead;
+ leadtot += lead;
+ f = ((float)leadtot / (float)(144 * 12));
+ if(f > FEET){
+ printf("Only %3.0f feet maximum per request. Sorry.\n",FEET);
+ exit(1);
+ }
+ continue;
+ }
+ if((i & 0360) == 0120){ /*size change*/
+ i &= 017;
+ for(j = 0; i != (stab[j] & 017); j++);
+ osize = size;
+ size = stab[j];
+ if(!lflg){
+ printf("Size %d",rtab[j]);
+ if(!(osize & DBL) && (size & DBL))printf(", double\n");
+ else if((osize & DBL) && !(size & DBL))printf(", single\n");
+ else printf("\n");
+ }
+ continue;
+ }
+ if(i & 0300)continue;
+ i = (i & 077) | mcase;
+ if(railmag != 03)k = asctab[i];
+ else k = spectab[i];
+ if(!lflg)printf("%s\n",k);
+ continue;
+ }
+ ex();
+}
+ex(){
+ double f1;
+ f1 = ((leadtot * 3)/432.0)/12.0;
+ printf("Total bytes %ld, lead %d, feet %4.2f\n",bytetot,leadtot,f1);
+ if(stop != 1 || init != 2){
+ printf("Error - wrong # init %d, # stop %d\n",init,stop);
+ exit(1);
+ }
+ exit(0);
+}
+getc(){
+ register i;
+
+ if(ibufp >= eibufp){
+ if((i=read(fid,ibuf,BUFSIZ)) <= 0)ex();
+ eibufp = ibuf + i;
+ ibufp = ibuf;
+ bytetot += i;
+ }
+ return(*ibufp++ & 0377);
+}
+char *asctab[128] = {
+ 0, /*blank*/
+"h", /*h*/
+"t", /*t*/
+"n", /*n*/
+"m", /*m*/
+"l", /*l*/
+"i", /*i*/
+"z", /*z*/
+"s", /*s*/
+"d", /*d*/
+"b", /*b*/
+"x", /*x*/
+"f", /*f*/
+"j", /*j*/
+"u", /*u*/
+"k", /*k*/
+ 0, /*blank*/
+"p", /*p*/
+"-", /*_ 3/4 em dash*/
+";", /*;*/
+ 0, /*blank*/
+"a", /*a*/
+"_", /*rule*/
+"c", /*c*/
+"`", /*` open*/
+"e", /*e*/
+"'", /*' close*/
+"o", /*o*/
+ 0, /*1/4*/
+"r", /*r*/
+ 0, /*1/2*/
+"v", /*v*/
+"-", /*- hyphen*/
+"w", /*w*/
+"q", /*q*/
+"/", /*/*/
+".", /*.*/
+"g", /*g*/
+ 0, /*3/4*/
+",", /*,*/
+"&", /*&*/
+"y", /*y*/
+ 0, /*blank*/
+"%", /*%*/
+ 0, /*blank*/
+"Q", /*Q*/
+"T", /*T*/
+"O", /*O*/
+"H", /*H*/
+"N", /*N*/
+"M", /*M*/
+"L", /*L*/
+"R", /*R*/
+"G", /*G*/
+"I", /*I*/
+"P", /*P*/
+"C", /*C*/
+"V", /*V*/
+"E", /*E*/
+"Z", /*Z*/
+"D", /*D*/
+"B", /*B*/
+"S", /*S*/
+"Y", /*Y*/
+ 0, /*blank*/
+"F", /*F*/
+"X", /*X*/
+"A", /*A*/
+"W", /*W*/
+"J", /*J*/
+"U", /*U*/
+"K", /*K*/
+"0", /*0*/
+"1", /*1*/
+"2", /*2*/
+"3", /*3*/
+"4", /*4*/
+"5", /*5*/
+"6", /*6*/
+"7", /*7*/
+"8", /*8*/
+"9", /*9*/
+"*", /***/
+"-", /*minus*/
+ 0, /*fi*/
+ 0, /*fl*/
+ 0, /*ff*/
+ 0, /*cent mark*/
+ 0, /*ffl*/
+ 0, /* ffi */
+"(", /*(*/
+")", /*)*/
+"[", /*[*/
+"]", /*]*/
+ 0, /*degree*/
+ 0, /*dagger*/
+"=", /*=*/
+ 0, /*registered*/
+":", /*:*/
+"+", /*+*/
+ 0, /*blank*/
+"!", /*!*/
+ 0, /*bullet*/
+"?", /*?*/
+"'", /*foot mark*/
+"|", /*|*/
+ 0, /*blank*/
+ 0, /*copyright*/
+ 0, /*square*/
+"$" }; /*$*/
+
+char *spectab[128] = {
+ 0, /*blank*/
+ 0, /*psi*/
+ 0, /*theta*/
+ 0, /*nu*/
+ 0, /*mu*/
+ 0, /*lambda*/
+ 0, /*iota*/
+ 0, /*zeta*/
+ 0, /*sigma*/
+ 0, /*delta*/
+ 0, /*beta*/
+ 0, /*xi*/
+ 0, /*eta*/
+ 0, /*phi*/
+ "u", /*upsilon*/
+ 0, /*kappa*/
+ 0, /*blank*/
+ 0, /*pi*/
+ "@", /*at sign @*/
+ 0, /*down arrow*/
+ 0, /*blank*/
+ 0, /*alpha*/
+"|", /*or*/
+ 0, /*chi*/
+"\"", /*"*/
+ 0, /*epsilon*/
+ "=", /*equals*/
+ "o", /*omicron*/
+ 0, /*left arrow*/
+ 0, /*rho*/
+ 0, /*up arrow*/
+ 0, /*tau*/
+"_", /*underrule*/
+"\\", /*\*/
+ 0, /*Psi*/
+ 0, /*bell system sign*/
+ 0, /*infinity*/
+ 0, /*gamma*/
+ 0, /*improper superset*/
+ 0, /*proportional to*/
+ 0, /*right hand*/
+ 0, /*omega*/
+ 0, /*blank*/
+ 0, /*gradient*/
+ 0, /*blank*/
+ 0, /*Phi*/
+ 0, /*Theta*/
+ 0, /*Omega*/
+ 0, /*cup (union)*/
+ 0, /*root en*/
+ 0, /*terminal sigma*/
+ 0, /*Lambda*/
+ "-", /*some horizontal line*/
+ 0, /*Gamma*/
+ 0, /*integral sign*/
+ 0, /*Pi*/
+ 0, /*subset of*/
+ 0, /*superset of*/
+ 0, /*approximates*/
+ 0, /*partial derivative*/
+ 0, /*Delta*/
+ 0, /*square root*/
+ 0, /*Sigma*/
+ 0, /*approx =*/
+ 0, /*blank*/
+">", /*>*/
+ 0, /*Xi*/
+"<", /*<*/
+"/", /*slash (longer)*/
+ 0, /*cap (intersection)*/
+ "Y", /*Upsilon*/
+ 0, /*not*/
+"|", /*right ceiling (rt of ")*/
+"|", /*left top (of big curly)*/
+"|", /*bold vertical*/
+"|", /*left center of big curly bracket*/
+"|", /*left bottom*/
+"|", /*right top*/
+"|", /*right center of big curly bracket*/
+"|", /*right bot*/
+"|", /*right floor (rb of ")*/
+"|", /*left floor (left bot of big sq bract)*/
+"|", /*left ceiling (lt of ")*/
+"x", /*multiply*/
+ 0, /*divide*/
+ 0, /*plus-minus*/
+ 0, /*<=*/
+ 0, /*>=*/
+ 0, /*identically equal*/
+ 0, /*not equal*/
+"{", /*{*/
+"}", /*}*/
+"'", /*' acute accent*/
+"`", /*` grave accent*/
+"^", /*^*/
+ "#", /*sharp*/
+ 0, /*left hand*/
+ 0, /*member of*/
+"~", /*~*/
+ 0, /*empty set*/
+ 0, /*blank*/
+ 0, /*dbl dagger*/
+"|", /*box rule*/
+ "*", /*telephone asterisk?*/
+ 0, /*improper subset*/
+ 0, /*circle*/
+ 0, /*blank*/
+ "+", /*eqn plus sign*/
+ 0, /*right arrow*/
+ 0 }; /*section mark*/
projects / unix-history / commitdiff