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
|
// -*- C++ -*-
/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com) */
#include <string.h>
#include <ctype.h>
#include "cset.h"
#include "stringclass.h"
extern void change_filename(const char *);
extern void change_lineno(int);
int
interpret_lf_args(const char *p)
{
while (*p == ' ')
p++;
if (!csdigit(*p))
return 0;
int ln = 0;
do
{
ln *= 10;
ln += *p++ - '0';
} while (csdigit(*p));
if (*p != ' ' && *p != '\n' && *p != '\0')
return 0;
while (*p == ' ')
p++;
if (*p == '\0' || *p == '\n')
{
change_lineno(ln);
return 1;
}
const char *q;
for (q = p;
*q != '\0' && *q != ' ' && *q != '\n' && *q != '\\';
q++)
;
string tem(p, q - p);
while (*q == ' ')
q++;
if (*q != '\n' && *q != '\0')
return 0;
tem += '\0';
change_filename(tem.contents());
change_lineno(ln);
return 1;
}
|
