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
|
/* Copyright (c) 2002 Hewlett-Packard under GPL version 2 or later */
#include <stdio.h>
#include "dmain.h"
#include "pmccabe.h"
int Line;
int Unbuf[256];
int *Unptr = Unbuf;
void
Ungetc(int c)
{
if (c == '\n')
{
Line--;
}
*Unptr++ = c;
}
void
Ungets(char *s)
{
int c;
char *ptr;
ptr = s + strlen(s);
do
{
c = *--ptr;
if (!ISSPACE(c))
if (c == '\n')
{
Line--;
}
*Unptr++ = c;
} while (ptr != s);
}
int
Getchar()
{
int c;
if (Unptr == Unbuf)
{
if (Piperead >= Pipewrite)
decomment();
c = *Piperead++;
}
else
{
c = *--Unptr;
}
if (c == '\n')
Line++;
return c;
}
|
