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
|
/* dctrl-tools - Debian control file inspection tools
Copyright (C) 1999, 2003 Antti-Juhani Kaijanaho
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <ctype.h>
#include "strutil.h"
const char * left_trimmed(const char * s)
{
const char * p;
for (p = s; *p != 0 && isspace (*p); p++);
return p;
}
void trim_right (char * s)
{
char * p;
char * herep;
enum { BLANKS, NONBLANKS } state = NONBLANKS;
for (herep = 0, p = s; *p != 0; p++) {
switch (state) {
case BLANKS:
if (!isspace (*p)) {
state = NONBLANKS;
}
break;
case NONBLANKS:
if (isspace (*p)) {
herep = p;
state = BLANKS;
}
}
}
if (state == BLANKS) *herep = 0;
}
#ifdef TESTMAIN
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void
printout (const char * s)
{
printf("\"%s\"\n", s);
}
int
main (void)
{
static const char * teststrings [] = {
"autoksiko",
" autoksiko",
"autoksiko ",
" autoksiko ",
"autoksiko teen",
" autoksiko teen",
"autoksiko teen ",
" autoksiko teen ",
" miljoona miljoona ruusua ",
0 };
int i;
for (i = 0; teststrings [i] != 0; i++)
{
char * ts;
char * orig_ts;
orig_ts = ts = strdup (teststrings [i]);
if (ts == 0)
exit (EXIT_FAILURE);
printf ("Plain: ");
printout (ts);
printf ("Left-trimmed: ");
printout (left_trimmed (ts));
printf ("Right-trimmed: ");
trim_right (ts);
printout (ts);
printf ("Completely trimmed: ");
printout (left_trimmed (ts));
puts ("");
free (orig_ts);
}
return 0;
}
#endif /* TESTMAIN */
|
