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
|
#include <X11/Xos.h>
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <stdio.h>
#include "DviP.h"
DviGetAndPut(dw, cp)
DviWidget dw;
int *cp;
{
if (dw->dvi.ungot)
{
dw->dvi.ungot = 0;
*cp = getc (dw->dvi.file);
}
else
{
*cp = getc (dw->dvi.file);
if (*cp != EOF)
putc (*cp, dw->dvi.tmpFile);
}
return *cp;
}
char *
GetLine(dw, Buffer, Length)
DviWidget dw;
char *Buffer;
int Length;
{
int i = 0, c;
char *p = Buffer;
Length--; /* Save room for final NULL */
while (i < Length && DviGetC (dw, &c) != EOF && c != '\n')
if (p)
*p++ = c;
if (c == '\n' && p) /* Retain the newline like fgets */
*p++ = c;
if (c == '\n')
DviUngetC(dw, c);
if (p)
*p = NULL;
return (Buffer);
}
char *
GetWord(dw, Buffer, Length)
DviWidget dw;
char *Buffer;
int Length;
{
int i = 0, c;
char *p = Buffer;
Length--; /* Save room for final NULL */
while (DviGetC(dw, &c) != EOF && (c == ' ' || c == '\n'))
;
if (c != EOF)
DviUngetC(dw, c);
while (i < Length && DviGetC(dw, &c) != EOF && c != ' ' && c != '\n')
if (p)
*p++ = c;
if (c != EOF)
DviUngetC(dw, c);
if (p)
*p = NULL;
return (Buffer);
}
GetNumber(dw)
DviWidget dw;
{
int i = 0, c;
int negative = 0;
while (DviGetC(dw, &c) != EOF && (c == ' ' || c == '\n'))
;
if (c != EOF)
DviUngetC(dw, c);
while (DviGetC(dw, &c) != EOF && c >= '0' && c <= '9') {
if (negative)
i = i*10 - (c - '0');
else
i = i*10 + c - '0';
}
if (c != EOF)
DviUngetC(dw, c);
return (i);
}
/*
Local Variables:
c-indent-level: 8
c-continued-statement-offset: 8
c-brace-offset: -8
c-argdecl-indent: 8
c-label-offset: -8
c-tab-always-indent: nil
End:
*/
|