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37 changed files with 5947 additions and 1 deletions
264
src/cmd/postscript/common/common.c
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264
src/cmd/postscript/common/common.c
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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <ctype.h>
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#include "common.h"
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#include "comments.h"
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#include "path.h"
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struct strtab charcode[FONTSIZE] = {
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{4, "\\000"}, {4, "\\001"}, {4, "\\002"}, {4, "\\003"},
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{4, "\\004"}, {4, "\\005"}, {4, "\\006"}, {4, "\\007"},
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{4, "\\010"}, {4, "\\011"}, {4, "\\012"}, {4, "\\013"},
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{4, "\\014"}, {4, "\\015"}, {4, "\\016"}, {4, "\\017"},
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{4, "\\020"}, {4, "\\021"}, {4, "\\022"}, {4, "\\023"},
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{4, "\\024"}, {4, "\\025"}, {4, "\\026"}, {4, "\\027"},
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{4, "\\030"}, {4, "\\031"}, {4, "\\032"}, {4, "\\033"},
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{4, "\\034"}, {4, "\\035"}, {4, "\\036"}, {4, "\\037"},
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{1, " "}, {1, "!"}, {1, "\""}, {1, "#"},
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{1, "$"}, {1, "%"}, {1, "&"}, {1, "'"},
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{2, "\\("}, {2, "\\)"}, {1, "*"}, {1, "+"},
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{1, ","}, {1, "-"}, {1, "."}, {1, "/"},
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{1, "0"}, {1, "1"}, {1, "2"}, {1, "3"},
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{1, "4"}, {1, "5"}, {1, "6"}, {1, "7"},
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{1, "8"}, {1, "9"}, {1, ":"}, {1, ";"},
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{1, "<"}, {1, "="}, {1, ">"}, {1, "?"},
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{1, "@"}, {1, "A"}, {1, "B"}, {1, "C"},
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{1, "D"}, {1, "E"}, {1, "F"}, {1, "G"},
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{1, "H"}, {1, "I"}, {1, "J"}, {1, "K"},
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{1, "L"}, {1, "M"}, {1, "N"}, {1, "O"},
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{1, "P"}, {1, "Q"}, {1, "R"}, {1, "S"},
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{1, "T"}, {1, "U"}, {1, "V"}, {1, "W"},
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{1, "X"}, {1, "Y"}, {1, "Z"}, {1, "["},
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{2, "\\\\"}, {1, "]"}, {1, "^"}, {1, "_"},
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{1, "`"}, {1, "a"}, {1, "b"}, {1, "c"},
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{1, "d"}, {1, "e"}, {1, "f"}, {1, "g"},
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{1, "h"}, {1, "i"}, {1, "j"}, {1, "k"},
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{1, "l"}, {1, "m"}, {1, "n"}, {1, "o"},
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{1, "p"}, {1, "q"}, {1, "r"}, {1, "s"},
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{1, "t"}, {1, "u"}, {1, "v"}, {1, "w"},
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{1, "x"}, {1, "y"}, {1, "z"}, {1, "{"},
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{1, "|"}, {1, "}"}, {1, "~"}, {4, "\\177"},
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{4, "\\200"}, {4, "\\201"}, {4, "\\202"}, {4, "\\203"},
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{4, "\\204"}, {4, "\\205"}, {4, "\\206"}, {4, "\\207"},
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{4, "\\210"}, {4, "\\211"}, {4, "\\212"}, {4, "\\213"},
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{4, "\\214"}, {4, "\\215"}, {4, "\\216"}, {4, "\\217"},
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{4, "\\220"}, {4, "\\221"}, {4, "\\222"}, {4, "\\223"},
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{4, "\\224"}, {4, "\\225"}, {4, "\\226"}, {4, "\\227"},
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{4, "\\230"}, {4, "\\231"}, {4, "\\232"}, {4, "\\233"},
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{4, "\\234"}, {4, "\\235"}, {4, "\\236"}, {4, "\\237"},
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{4, "\\240"}, {4, "\\241"}, {4, "\\242"}, {4, "\\243"},
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{4, "\\244"}, {4, "\\245"}, {4, "\\246"}, {4, "\\247"},
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{4, "\\250"}, {4, "\\251"}, {4, "\\252"}, {4, "\\253"},
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{4, "\\254"}, {4, "\\255"}, {4, "\\256"}, {4, "\\257"},
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{4, "\\260"}, {4, "\\261"}, {4, "\\262"}, {4, "\\263"},
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{4, "\\264"}, {4, "\\265"}, {4, "\\266"}, {4, "\\267"},
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{4, "\\270"}, {4, "\\271"}, {4, "\\272"}, {4, "\\273"},
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{4, "\\274"}, {4, "\\275"}, {4, "\\276"}, {4, "\\277"},
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{4, "\\300"}, {4, "\\301"}, {4, "\\302"}, {4, "\\303"},
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{4, "\\304"}, {4, "\\305"}, {4, "\\306"}, {4, "\\307"},
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{4, "\\310"}, {4, "\\311"}, {4, "\\312"}, {4, "\\313"},
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{4, "\\314"}, {4, "\\315"}, {4, "\\316"}, {4, "\\317"},
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{4, "\\320"}, {4, "\\321"}, {4, "\\322"}, {4, "\\323"},
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{4, "\\324"}, {4, "\\325"}, {4, "\\326"}, {4, "\\327"},
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{4, "\\330"}, {4, "\\331"}, {4, "\\332"}, {4, "\\333"},
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{4, "\\334"}, {4, "\\335"}, {4, "\\336"}, {4, "\\337"},
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{4, "\\340"}, {4, "\\341"}, {4, "\\342"}, {4, "\\343"},
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{4, "\\344"}, {4, "\\345"}, {4, "\\346"}, {4, "\\347"},
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{4, "\\350"}, {4, "\\351"}, {4, "\\352"}, {4, "\\353"},
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{4, "\\354"}, {4, "\\355"}, {4, "\\356"}, {4, "\\357"},
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{4, "\\360"}, {4, "\\361"}, {4, "\\362"}, {4, "\\363"},
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{4, "\\364"}, {4, "\\365"}, {4, "\\366"}, {4, "\\367"},
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{4, "\\370"}, {4, "\\371"}, {4, "\\372"}, {4, "\\373"},
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{4, "\\374"}, {4, "\\375"}, {4, "\\376"}, {4, "\\377"}
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};
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static BOOLEAN in_string = FALSE;
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int char_no = 0;
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int line_no = 0;
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int page_no = 0; /* page number in a document */
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int pages_printed = 0;
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static int pplistmaxsize=0;
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static unsigned char *pplist=0; /* bitmap list for storing pages to print */
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void
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pagelist(char *list) {
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char c;
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int n, m;
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int state, start;
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if (list == 0) return;
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state = 1;
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start = 0;
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while ((c=*list) != '\0') {
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n = 0;
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while (isdigit(c)) {
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n = n * 10 + c - '0';
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c = *++list;
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}
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switch (state) {
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case 1:
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start = n;
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case 2:
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if (n/8+1 > pplistmaxsize) {
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pplistmaxsize = n/8+1;
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pplist = galloc(pplist, n/8+1, "page list");
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}
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for (m=start; m<=n; m++)
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pplist[m/8] |= 1<<(m%8);
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break;
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}
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switch (c) {
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case '-':
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state = 2;
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list++;
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break;
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case ',':
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state = 1;
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list++;
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break;
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case '\0':
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break;
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}
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}
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}
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BOOLEAN
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pageon(void) {
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extern BOOLEAN debug;
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static BOOLEAN privdebug = FALSE;
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if (pplist == 0 && page_no != 0) {
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if (privdebug && !debug) {
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privdebug = FALSE;
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debug = TRUE;
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}
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return(TRUE); /* no page list, print all pages */
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}
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if (page_no/8 < pplistmaxsize && (pplist[page_no/8] & 1<<(page_no%8))) {
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if (privdebug && !debug) {
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privdebug = FALSE;
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debug = TRUE;
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}
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return(TRUE);
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} else {
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if (!privdebug && debug) {
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privdebug = TRUE;
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debug = FALSE;
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}
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return(FALSE);
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}
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}
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static int stringhpos, stringvpos;
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void
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startstring(void) {
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if (!in_string) {
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stringhpos = hpos;
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stringvpos = vpos;
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if (pageon()) Bprint(Bstdout, "(");
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in_string = 1;
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}
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}
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void
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endstring(void) {
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if (in_string) {
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if (pageon()) Bprint(Bstdout, ") %d %d w\n", stringhpos, stringvpos);
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in_string = 0;
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}
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}
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BOOLEAN
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isinstring(void) {
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return(in_string);
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}
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void
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startpage(void) {
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++char_no;
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++line_no;
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++page_no;
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if (pageon()) {
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++pages_printed;
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Bprint(Bstdout, "%s %d %d\n", PAGE, page_no, pages_printed);
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Bprint(Bstdout, "/saveobj save def\n");
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Bprint(Bstdout, "mark\n");
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Bprint(Bstdout, "%d pagesetup\n", pages_printed);
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}
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}
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void
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endpage(void) {
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endstring();
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curpostfontid = -1;
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line_no = 0;
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char_no = 0;
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if (pageon()) {
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Bprint(Bstdout, "cleartomark\n");
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Bprint(Bstdout, "showpage\n");
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Bprint(Bstdout, "saveobj restore\n");
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Bprint(Bstdout, "%s %d %d\n", ENDPAGE, page_no, pages_printed);
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}
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}
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/* This was taken from postprint */
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int
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cat(char *filename) {
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Biobuf *bfile;
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Biobuf *Bfile;
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int n;
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static char buf[Bsize];
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if ((bfile = Bopen(unsharp(filename), OREAD)) == 0) {
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return(1);
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}
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Bfile = bfile;
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while ((n=Bread(Bfile, buf, Bsize)) > 0) {
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if (Bwrite(Bstdout, buf, n) != n)
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break;
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}
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Bterm(Bfile);
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if (n != 0) {
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return(1);
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}
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return(0);
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}
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extern int debug;
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void *
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galloc(void *ptr, int size, char *perstr) {
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void *x;
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if ((x=realloc(ptr, size)) == 0) {
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perror(perstr);
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exits("malloc");
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}
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return(x);
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}
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static char *errorstrings[] = {
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{""}, /* NONE */
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{"WARNING"},
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{"FATAL"}
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};
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char *programname;
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char *inputfilename = "<stdin>";
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int inputlineno;
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void
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error(int errtype, char *fmt, ...) {
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va_list arg;
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Bflush(Bstdout);
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Bflush(Bstderr);
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fprint(2, "%s: %s:%d :%s: ", programname, inputfilename, inputlineno, errorstrings[errtype]);
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va_start(arg, fmt);
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vfprint(2, fmt, arg);
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va_end(arg);
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if (errtype == FATAL)
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exits("fatal error");
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}
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