2 * Copyright (c) 2001 Proofpoint, Inc. and its suppliers.
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
12 SM_RCSID("@(#)$Id: strrevcmp.c,v 1.6 2013-11-22 20:51:43 ca Exp $")
14 #include <sm/config.h>
15 #include <sm/string.h>
19 extern const unsigned char charmap[];
22 ** SM_STRREVCASECMP -- compare two strings starting at the end (ignore case)
25 ** s1 -- first string.
26 ** s2 -- second string.
29 ** strcasecmp(reverse(s1), reverse(s2))
33 sm_strrevcasecmp(s1, s2)
40 while (i1 >= 0 && i2 >= 0 &&
41 charmap[(unsigned char) s1[i1]] ==
42 charmap[(unsigned char) s2[i2]])
59 return (charmap[(unsigned char) s1[i1]] -
60 charmap[(unsigned char) s2[i2]]);
64 ** SM_STRREVCMP -- compare two strings starting at the end
67 ** s1 -- first string.
68 ** s2 -- second string.
71 ** strcmp(reverse(s1), reverse(s2))
82 while (i1 >= 0 && i2 >= 0 && s1[i1] == s2[i2])
99 return s1[i1] - s2[i2];