115 lines
1.7 KiB
C
115 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2020 Proofpoint, Inc. and its suppliers.
|
|
* All rights reserved.
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the sendmail distribution.
|
|
*
|
|
*/
|
|
|
|
#include <sm/gen.h>
|
|
#include <sm/sendmail.h>
|
|
|
|
#if USE_EAI
|
|
#include <sm/string.h>
|
|
#include <sm/heap.h>
|
|
#include <sm/ixlen.h>
|
|
|
|
/*
|
|
** SM_STRCASEEQ -- are two strings equal (case-insenstive)?
|
|
**
|
|
** Parameters:
|
|
** s1 -- string
|
|
** s2 -- string
|
|
**
|
|
** Returns:
|
|
** true iff s1 == s2
|
|
*/
|
|
|
|
bool
|
|
sm_strcaseeq(s1, s2)
|
|
const char *s1;
|
|
const char *s2;
|
|
{
|
|
char *l1, *l2;
|
|
char *f1;
|
|
bool same;
|
|
|
|
if (asciistr(s1))
|
|
{
|
|
if (!asciistr(s2))
|
|
return false;
|
|
return (sm_strcasecmp(s1, s2) == 0);
|
|
}
|
|
if (asciistr(s2))
|
|
return false;
|
|
l1 = sm_lowercase(s1);
|
|
if (l1 != s1)
|
|
{
|
|
f1 = sm_strdup_x(l1);
|
|
l1 = f1;
|
|
}
|
|
else
|
|
f1 = NULL;
|
|
l2 = sm_lowercase(s2);
|
|
|
|
while (*l1 == *l2 && '\0' != *l1)
|
|
l1++, l2++;
|
|
same = *l1 == *l2;
|
|
|
|
SM_FREE(f1);
|
|
return same;
|
|
}
|
|
|
|
/*
|
|
** SM_STRNCASEEQ -- are two strings (up to a length) equal (case-insenstive)?
|
|
**
|
|
** Parameters:
|
|
** s1 -- string
|
|
** s2 -- string
|
|
** n -- maximum length to compare
|
|
**
|
|
** Returns:
|
|
** true iff s1 == s2 (for up to the first n char)
|
|
*/
|
|
|
|
bool
|
|
sm_strncaseeq(s1, s2, n)
|
|
const char *s1;
|
|
const char *s2;
|
|
size_t n;
|
|
{
|
|
char *l1, *l2;
|
|
char *f1;
|
|
bool same;
|
|
|
|
if (0 == n)
|
|
return true;
|
|
if (asciistr(s1))
|
|
{
|
|
if (!asciistr(s2))
|
|
return false;
|
|
return (sm_strncasecmp(s1, s2, n) == 0);
|
|
}
|
|
if (asciistr(s2))
|
|
return false;
|
|
l1 = sm_lowercase(s1);
|
|
if (l1 != s1)
|
|
{
|
|
f1 = sm_strdup_x(l1);
|
|
l1 = f1;
|
|
}
|
|
else
|
|
f1 = NULL;
|
|
l2 = sm_lowercase(s2);
|
|
|
|
while (*l1 == *l2 && '\0' != *l1 && n-- > 0)
|
|
l1++, l2++;
|
|
same = *l1 == *l2;
|
|
|
|
SM_FREE(f1);
|
|
return same;
|
|
}
|
|
#endif /* USE_EAI */
|