1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
3*7c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
4*7c478bd9Sstevel@tonic-gate  */
5*7c478bd9Sstevel@tonic-gate 
6*7c478bd9Sstevel@tonic-gate /*
7*7c478bd9Sstevel@tonic-gate  * This program is copyright Alec Muffett 1993. The author disclaims all
8*7c478bd9Sstevel@tonic-gate  * responsibility or liability with respect to it's usage or its effect
9*7c478bd9Sstevel@tonic-gate  * upon hardware or computer systems, and maintains copyright as set out
10*7c478bd9Sstevel@tonic-gate  * in the "LICENCE" document which accompanies distributions of Crack v4.0
11*7c478bd9Sstevel@tonic-gate  * and upwards.
12*7c478bd9Sstevel@tonic-gate  */
13*7c478bd9Sstevel@tonic-gate 
14*7c478bd9Sstevel@tonic-gate #include "packer.h"
15*7c478bd9Sstevel@tonic-gate 
16*7c478bd9Sstevel@tonic-gate 
17*7c478bd9Sstevel@tonic-gate char
Chop(register char * string)18*7c478bd9Sstevel@tonic-gate Chop(register char *string)
19*7c478bd9Sstevel@tonic-gate {
20*7c478bd9Sstevel@tonic-gate 	register char c;
21*7c478bd9Sstevel@tonic-gate 	register char *ptr;
22*7c478bd9Sstevel@tonic-gate 
23*7c478bd9Sstevel@tonic-gate 	c = '\0';
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate 	for (ptr = string; *ptr; ptr++);
26*7c478bd9Sstevel@tonic-gate 	if (ptr != string) {
27*7c478bd9Sstevel@tonic-gate 		c = *(--ptr);
28*7c478bd9Sstevel@tonic-gate 		*ptr = '\0';
29*7c478bd9Sstevel@tonic-gate 	}
30*7c478bd9Sstevel@tonic-gate 	return (c);
31*7c478bd9Sstevel@tonic-gate }
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate char
Chomp(register char * string)34*7c478bd9Sstevel@tonic-gate Chomp(register char *string)
35*7c478bd9Sstevel@tonic-gate {
36*7c478bd9Sstevel@tonic-gate 	register char c;
37*7c478bd9Sstevel@tonic-gate 	register char *ptr;
38*7c478bd9Sstevel@tonic-gate 
39*7c478bd9Sstevel@tonic-gate 	c = '\0';
40*7c478bd9Sstevel@tonic-gate 
41*7c478bd9Sstevel@tonic-gate 	for (ptr = string; *ptr; ptr++)
42*7c478bd9Sstevel@tonic-gate 		;
43*7c478bd9Sstevel@tonic-gate 	if (ptr != string && isspace(*(--ptr))) {
44*7c478bd9Sstevel@tonic-gate 		c = *ptr;
45*7c478bd9Sstevel@tonic-gate 		*ptr = '\0';
46*7c478bd9Sstevel@tonic-gate 	}
47*7c478bd9Sstevel@tonic-gate 	return (c);
48*7c478bd9Sstevel@tonic-gate }
49*7c478bd9Sstevel@tonic-gate 
50*7c478bd9Sstevel@tonic-gate 
51*7c478bd9Sstevel@tonic-gate char *
Trim(register char * string)52*7c478bd9Sstevel@tonic-gate Trim(register char *string)
53*7c478bd9Sstevel@tonic-gate {
54*7c478bd9Sstevel@tonic-gate 	register char *ptr;
55*7c478bd9Sstevel@tonic-gate 
56*7c478bd9Sstevel@tonic-gate 	for (ptr = string; *ptr; ptr++);
57*7c478bd9Sstevel@tonic-gate 
58*7c478bd9Sstevel@tonic-gate 	while ((--ptr >= string) && isspace(*ptr));
59*7c478bd9Sstevel@tonic-gate 
60*7c478bd9Sstevel@tonic-gate 	*(++ptr) = '\0';
61*7c478bd9Sstevel@tonic-gate 
62*7c478bd9Sstevel@tonic-gate 	return (ptr);
63*7c478bd9Sstevel@tonic-gate }
64