blob: f71b33c9b5c1dbaa62906b31956822cabcdf8a40 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Copyright (c) 1987, 1989 University of Maryland
* Department of Computer Science. All rights reserved.
* Permission to copy for any purpose is hereby granted
* so long as this copyright notice remains intact.
*/
#ifndef lint
static char rcsid[] = "$Header: /usr/local/src/SeeTeX/libtex/RCS/scanpost.c,v 1.2 90/07/10 14:33:23 grunwald Exp Locker: grunwald $";
#endif
/*
* ScanPostAmble - read a DVI postamble.
*/
#include <stdio.h>
#include "types.h"
#include "dvicodes.h"
#include "fio.h"
#include "gripes.h"
#include "postamble.h"
ScanPostAmble(f, headerfunc, fontfunc)
register FILE *f;
void (*headerfunc)();
register void (*fontfunc)();
{
register int n;
register char *s;
char name[512];
if (FindPostAmble(f)) {
GripeCannotFindPostamble();
return(1);
}
if (GetByte(f) != Sign8(DVI_POST)) {
GripeMissingOp("POST");
return(1);
}
/* Read the postamble info stuff. */
{
struct PostAmbleInfo pai;
register struct PostAmbleInfo *p = &pai;
p->pai_PrevPagePointer = GetLong(f);
p->pai_Numerator = GetLong(f);
p->pai_Denominator = GetLong(f);
p->pai_DVIMag = GetLong(f);
p->pai_TallestPageHeight = GetLong(f);
p->pai_WidestPageWidth = GetLong(f);
p->pai_DVIStackSize = GetWord(f);
p->pai_NumberOfPages = GetWord(f);
(*headerfunc)(p);
}
/* Now read all the font definitions. */
{
struct PostAmbleFont paf;
register struct PostAmbleFont *p = &paf;
int c;
for (;;) {
if ((c = getc(f)) == EOF)
GripeUnexpectedDVIEOF();
switch (c) {
case DVI_NOP:
break;
case DVI_FNTDEF1:
p->paf_DVIFontIndex = UnSign8(getc(f));
break;
case DVI_FNTDEF2:
p->paf_DVIFontIndex = UnSign16(GetWord(f));
break;
case DVI_FNTDEF3:
p->paf_DVIFontIndex = UnSign24(Get3Byte(f));
break;
case DVI_FNTDEF4:
p->paf_DVIFontIndex = GetLong(f);
break;
case DVI_POSTPOST:
return(0);
default:
GripeMissingOp("POSTPOST");
return(1);
/*NOTREACHED*/
}
p->paf_DVIChecksum = GetLong(f);
p->paf_DVIMag = GetLong(f);
p->paf_DVIDesignSize = GetLong(f);
p->paf_n1 = UnSign8(getc(f));
p->paf_n2 = UnSign8(getc(f));
p->paf_name = name; /* never trust people not to
clobber it */
n = p->paf_n1 + p->paf_n2;
s = name;
while (--n >= 0)
*s++ = GetByte(f);
*s = 0;
(*fontfunc)(p);
}
}
}
|
