xref: /titanic_44/usr/src/cmd/sendmail/libsm/string.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * Copyright (c) 2001 Sendmail, Inc. and its suppliers.
3*7c478bd9Sstevel@tonic-gate  *      All rights reserved.
4*7c478bd9Sstevel@tonic-gate  *
5*7c478bd9Sstevel@tonic-gate  * By using this file, you agree to the terms and conditions set
6*7c478bd9Sstevel@tonic-gate  * forth in the LICENSE file which can be found at the top level of
7*7c478bd9Sstevel@tonic-gate  * the sendmail distribution.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  */
10*7c478bd9Sstevel@tonic-gate 
11*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
12*7c478bd9Sstevel@tonic-gate 
13*7c478bd9Sstevel@tonic-gate #include <sm/gen.h>
14*7c478bd9Sstevel@tonic-gate SM_RCSID("@(#)$Id: string.c,v 1.1 2001/02/15 21:04:50 ca Exp $")
15*7c478bd9Sstevel@tonic-gate 
16*7c478bd9Sstevel@tonic-gate #include <ctype.h>
17*7c478bd9Sstevel@tonic-gate #include <errno.h>
18*7c478bd9Sstevel@tonic-gate 
19*7c478bd9Sstevel@tonic-gate #include <sm/string.h>
20*7c478bd9Sstevel@tonic-gate 
21*7c478bd9Sstevel@tonic-gate /*
22*7c478bd9Sstevel@tonic-gate **  STRIPQUOTES -- Strip quotes & quote bits from a string.
23*7c478bd9Sstevel@tonic-gate **
24*7c478bd9Sstevel@tonic-gate **	Runs through a string and strips off unquoted quote
25*7c478bd9Sstevel@tonic-gate **	characters and quote bits.  This is done in place.
26*7c478bd9Sstevel@tonic-gate **
27*7c478bd9Sstevel@tonic-gate **	Parameters:
28*7c478bd9Sstevel@tonic-gate **		s -- the string to strip.
29*7c478bd9Sstevel@tonic-gate **
30*7c478bd9Sstevel@tonic-gate **	Returns:
31*7c478bd9Sstevel@tonic-gate **		none.
32*7c478bd9Sstevel@tonic-gate **
33*7c478bd9Sstevel@tonic-gate **	Side Effects:
34*7c478bd9Sstevel@tonic-gate **		none.
35*7c478bd9Sstevel@tonic-gate */
36*7c478bd9Sstevel@tonic-gate 
37*7c478bd9Sstevel@tonic-gate void
38*7c478bd9Sstevel@tonic-gate stripquotes(s)
39*7c478bd9Sstevel@tonic-gate 	char *s;
40*7c478bd9Sstevel@tonic-gate {
41*7c478bd9Sstevel@tonic-gate 	register char *p;
42*7c478bd9Sstevel@tonic-gate 	register char *q;
43*7c478bd9Sstevel@tonic-gate 	register char c;
44*7c478bd9Sstevel@tonic-gate 
45*7c478bd9Sstevel@tonic-gate 	if (s == NULL)
46*7c478bd9Sstevel@tonic-gate 		return;
47*7c478bd9Sstevel@tonic-gate 
48*7c478bd9Sstevel@tonic-gate 	p = q = s;
49*7c478bd9Sstevel@tonic-gate 	do
50*7c478bd9Sstevel@tonic-gate 	{
51*7c478bd9Sstevel@tonic-gate 		c = *p++;
52*7c478bd9Sstevel@tonic-gate 		if (c == '\\')
53*7c478bd9Sstevel@tonic-gate 			c = *p++;
54*7c478bd9Sstevel@tonic-gate 		else if (c == '"')
55*7c478bd9Sstevel@tonic-gate 			continue;
56*7c478bd9Sstevel@tonic-gate 		*q++ = c;
57*7c478bd9Sstevel@tonic-gate 	} while (c != '\0');
58*7c478bd9Sstevel@tonic-gate }
59