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/* Copyright (c) 2007 James Antill -- See LICENSE file for terms. */
#ifndef USTR_CMP_H
#error " You should have already included ustr-cmp.h, or just include ustr.h."
#endif
USTR_CONF_I_PROTO
int ustr_cmp_buf(const struct Ustr *s1, const void *buf, size_t len2)
{
size_t len1 = 0;
size_t lenm = 0;
int ret = 0;
int def = 0;
USTR_ASSERT(ustr_assert_valid(s1) && buf);
len1 = ustr_len(s1);
if (len1 == len2)
return (memcmp(ustr_cstr(s1), buf, len1));
if (len1 > len2)
{
lenm = len2;
def = 1;
}
else
{
lenm = len1;
def = -1;
}
if (lenm && (ret = memcmp(ustr_cstr(s1), buf, lenm)))
return (ret);
return (def);
}
USTR_CONF_I_PROTO
int ustr_cmp_subustr(const struct Ustr *s1,
const struct Ustr *s2, size_t pos, size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_buf(s1, "", 0));
return (ustr_cmp_buf(s1, ustr_cstr(s2) + --pos, len));
}
USTR_CONF_i_PROTO
int ustr__memcasecmp(const void *passed_s1, const void *passed_s2, size_t len)
{
const unsigned char *s1 = passed_s1;
const unsigned char *s2 = passed_s2;
while (len)
{
unsigned char c1 = *s1;
unsigned char c2 = *s2;
if ((c1 >= 0x61) && (c1 <= 0x7a))
c1 ^= 0x20;
if ((c2 >= 0x61) && (c2 <= 0x7a))
c2 ^= 0x20;
if (c1 != c2)
return (c1 - c2);
++s1;
++s2;
--len;
}
return (0);
}
USTR_CONF_I_PROTO
int ustr_cmp_case_buf(const struct Ustr *s1, const void *buf, size_t len2)
{
size_t len1 = 0;
size_t lenm = 0;
int ret = 0;
int def = 0;
USTR_ASSERT(ustr_assert_valid(s1) && buf);
len1 = ustr_len(s1);
if (len1 == len2)
return (ustr__memcasecmp(ustr_cstr(s1), buf, len1));
if (len1 > len2)
{
lenm = len2;
def = 1;
}
else
{
lenm = len1;
def = -1;
}
if (lenm && (ret = ustr__memcasecmp(ustr_cstr(s1), buf, lenm)))
return (ret);
return (def);
}
USTR_CONF_I_PROTO
int ustr_cmp_case_subustr(const struct Ustr *s1,
const struct Ustr *s2, size_t pos, size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_case_buf(s1, "", 0));
return (ustr_cmp_case_buf(s1, ustr_cstr(s2) + --pos, len));
}
USTR_CONF_I_PROTO int ustr_cmp_case_prefix_buf_eq(const struct Ustr *s1,
const void *buf, size_t len2)
{
size_t len1 = 0;
USTR_ASSERT(ustr_assert_valid(s1) && buf);
len1 = ustr_len(s1);
if (len1 < len2)
return (USTR_FALSE);
return (!ustr__memcasecmp(ustr_cstr(s1), buf, len2));
}
USTR_CONF_I_PROTO int ustr_cmp_case_suffix_buf_eq(const struct Ustr *s1,
const void *buf, size_t len2)
{
size_t len1 = 0;
USTR_ASSERT(ustr_assert_valid(s1) && buf);
len1 = ustr_len(s1);
if (len1 < len2)
return (USTR_FALSE);
return (!ustr__memcasecmp(ustr_cstr(s1) + (len1 - len2), buf, len2));
}
USTR_CONF_I_PROTO
int ustr_cmp_fast_subustr(const struct Ustr *s1,
const struct Ustr *s2, size_t pos, size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_fast_buf(s1, "", 0));
return (ustr_cmp_fast_buf(s1, ustr_cstr(s2) + --pos, len));
}
USTR_CONF_I_PROTO
int ustr_cmp_prefix_subustr_eq(const struct Ustr *s1,
const struct Ustr *s2, size_t pos, size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_prefix_buf_eq(s1, "", 0));
return (ustr_cmp_prefix_buf_eq(s1, ustr_cstr(s2) + --pos, len));
}
USTR_CONF_I_PROTO
int ustr_cmp_suffix_subustr_eq(const struct Ustr *s1,
const struct Ustr *s2, size_t pos, size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_suffix_buf_eq(s1, "", 0));
return (ustr_cmp_suffix_buf_eq(s1, ustr_cstr(s2) + --pos, len));
}
USTR_CONF_I_PROTO
int ustr_cmp_case_prefix_subustr_eq(const struct Ustr *s1,
const struct Ustr *s2,size_t pos,size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_case_prefix_buf_eq(s1, "", 0));
return (ustr_cmp_case_prefix_buf_eq(s1, ustr_cstr(s2) + --pos, len));
}
USTR_CONF_I_PROTO
int ustr_cmp_case_suffix_subustr_eq(const struct Ustr *s1,
const struct Ustr *s2,size_t pos,size_t len)
{
USTR_ASSERT(ustr_assert_valid(s1) && ustr_assert_valid(s2));
if (!ustr_assert_valid_subustr(s2, pos, len))
return (ustr_cmp_case_suffix_buf_eq(s1, "", 0));
return (ustr_cmp_case_suffix_buf_eq(s1, ustr_cstr(s2) + --pos, len));
}
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