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revised qse_wcsxcmp(), qse_wcsxcasecmp(), qse_mbsxcmp(), qse_mbsxcasecmp()

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This commit is contained in:
hyung-hwan 2018-01-03 06:59:41 +00:00
parent 5174784cfe
commit dccad56ca5
1 changed files with 25 additions and 72 deletions
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91
qse/lib/cmn/str-cmp.c
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@ -32,7 +32,7 @@ int qse_mbscmp (const qse_mchar_t* s1, const qse_mchar_t* s2)
while (*s1 == *s2)
{
if (*s1 == QSE_MT('\0')) return 0;
s1++, s2++;
s1++; s2++;
}
return (*s1 > *s2)? 1: -1;
@ -41,16 +41,15 @@ int qse_mbscmp (const qse_mchar_t* s1, const qse_mchar_t* s2)
int qse_mbsxcmp (const qse_mchar_t* s1, qse_size_t ln, const qse_mchar_t* s2)
{
const qse_mchar_t* end = s1 + ln;
while (s1 < end && *s2 != QSE_MT('\0') && *s1 == *s2) s1++, s2++;
if (s1 == end)
while (s1 < end && *s2 != QSE_MT('\0'))
{
return (*s2 == QSE_MT('\0'))? 0: -1;
}
else /* str1 < end */
{
return (*s1 >= *s2)? 1: -1;
if (*s1 != *s2) return (*s1 > *s2)? 1: -1;
s1++; s2++;
}
/* if s1 < end, *s2 must be '\0'. */
return (s1 < end)? 1: (*s2 == QSE_MT('\0')? 0: -1);
}
int qse_mbsxncmp (
@ -90,20 +89,6 @@ int qse_mbscasecmp (const qse_mchar_t* s1, const qse_mchar_t* s2)
int qse_mbsxcasecmp (const qse_mchar_t* s1, qse_size_t ln, const qse_mchar_t* s2)
{
#if 0
qse_mchar_t c1, c2;
const qse_mchar_t* end = s1 + ln;
c1 = QSE_TOMUPPER(*s1); c2 = QSE_TOMUPPER(*s2);
while (s1 < end && c2 != QSE_MT('\0') && c1 == c2)
{
s1++; s2++;
c1 = QSE_TOMUPPER(*s1); c2 = QSE_TOMUPPER(*s2);
}
if (s1 == end && c2 == QSE_MT('\0')) return 0;
if (c1 == c2) return (s1 < end)? 1: -1;
return (c1 > c2)? 1: -1;
#else
qse_mchar_t c1, c2;
const qse_mchar_t* end = s1 + ln;
@ -111,19 +96,11 @@ int qse_mbsxcasecmp (const qse_mchar_t* s1, qse_size_t ln, const qse_mchar_t* s2
{
c1 = QSE_TOMUPPER(*s1);
c2 = QSE_TOMUPPER(*s2);
if (c1 != c2) break;
if (c1 != c2) return (c1 > c2)? 1: -1;
s1++; s2++;
}
if (s1 == end)
{
return (*s2 == QSE_MT('\0'))? 0: -1;
}
else
{
return (c1 >= c2)? 1: -1;
}
#endif
return (s1 < end)? 1: (*s2 == QSE_MT('\0')? 0: -1);
}
int qse_mbsxncasecmp (
@ -158,7 +135,7 @@ int qse_mbszcmp (const qse_mchar_t* s1, const qse_mchar_t* s2, qse_size_t n)
while (*s1 == *s2)
{
if (*s1 == QSE_MT('\0') || n == 1) return 0;
s1++, s2++, n--;
s1++; s2++; n--;
}
return (*s1 > *s2)? 1: -1;
@ -171,7 +148,7 @@ int qse_mbszcasecmp (const qse_mchar_t* s1, const qse_mchar_t* s2, qse_size_t n)
while (QSE_TOMUPPER(*s1) == QSE_TOMUPPER(*s2))
{
if (*s1 == QSE_MT('\0') || n == 1) return 0;
s1++, s2++, n--;
s1++; s2++; n--;
}
return (QSE_TOMUPPER(*s1) > QSE_TOMUPPER(*s2))? 1: -1;
@ -184,7 +161,7 @@ int qse_wcscmp (const qse_wchar_t* s1, const qse_wchar_t* s2)
while (*s1 == *s2)
{
if (*s1 == QSE_WT('\0')) return 0;
s1++, s2++;
s1++; s2++;
}
return (*s1 > *s2)? 1: -1;
@ -193,15 +170,14 @@ int qse_wcscmp (const qse_wchar_t* s1, const qse_wchar_t* s2)
int qse_wcsxcmp (const qse_wchar_t* s1, qse_size_t ln, const qse_wchar_t* s2)
{
const qse_wchar_t* end = s1 + ln;
while (s1 < end && *s2 != QSE_WT('\0') && *s1 == *s2) s1++, s2++;
if (s1 == end)
while (s1 < end && *s2 != QSE_WT('\0'))
{
return (*s2 == QSE_WT('\0'))? 0: -1;
}
else /* str1 < end */
{
return (*s1 >= *s2)? 1: -1;
if (*s1 != *s2) return (*s1 > *s2)? 1: -1;
s1++; s2++;
}
return (s1 < end)? 1: (*s2 == QSE_WT('\0')? 0: -1);
}
int qse_wcsxncmp (
@ -241,20 +217,6 @@ int qse_wcscasecmp (const qse_wchar_t* s1, const qse_wchar_t* s2)
int qse_wcsxcasecmp (const qse_wchar_t* s1, qse_size_t ln, const qse_wchar_t* s2)
{
#if 0
qse_wchar_t c1, c2;
const qse_wchar_t* end = s1 + ln;
c1 = QSE_TOWUPPER(*s1); c2 = QSE_TOWUPPER(*s2);
while (s1 < end && c2 != QSE_WT('\0') && c1 == c2)
{
s1++; s2++;
c1 = QSE_TOWUPPER(*s1); c2 = QSE_TOWUPPER(*s2);
}
if (s1 == end && c2 == QSE_WT('\0')) return 0;
if (c1 == c2) return (s1 < end)? 1: -1;
return (c1 > c2)? 1: -1;
#else
qse_wchar_t c1, c2;
const qse_wchar_t* end = s1 + ln;
@ -262,19 +224,10 @@ int qse_wcsxcasecmp (const qse_wchar_t* s1, qse_size_t ln, const qse_wchar_t* s2
{
c1 = QSE_TOWUPPER(*s1);
c2 = QSE_TOWUPPER(*s2);
if (c1 != c2) break;
if (c1 != c2) return (c1 > c2)? 1: -1;
s1++; s2++;
}
if (s1 == end)
{
return (*s2 == QSE_WT('\0'))? 0: -1;
}
else
{
return (c1 >= c2)? 1: -1;
}
#endif
return (s1 < end)? 1: (*s2 == QSE_WT('\0')? 0: -1);
}
int qse_wcsxncasecmp (
@ -308,7 +261,7 @@ int qse_wcszcmp (const qse_wchar_t* s1, const qse_wchar_t* s2, qse_size_t n)
while (*s1 == *s2)
{
if (*s1 == QSE_WT('\0') || n == 1) return 0;
s1++, s2++, n--;
s1++; s2++; n--;
}
return (*s1 > *s2)? 1: -1;
@ -321,7 +274,7 @@ int qse_wcszcasecmp (const qse_wchar_t* s1, const qse_wchar_t* s2, qse_size_t n)
while (QSE_TOWUPPER(*s1) == QSE_TOWUPPER(*s2))
{
if (*s1 == QSE_WT('\0') || n == 1) return 0;
s1++, s2++, n--;
s1++; s2++; n--;
}
return (QSE_TOWUPPER(*s1) > QSE_TOWUPPER(*s2))? 1: -1;