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kernelbase: Get rid of some string helper functions. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-06-27 10:42:07 +02:00
parent a8745d1211
commit 31083dbaec
1 changed files with 68 additions and 66 deletions
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134
dlls/kernelbase/string.c
View File

@ -308,45 +308,31 @@ BOOL WINAPI ChrCmpIA(WORD ch1, WORD ch2)
return char_compare(ch1, ch2, NORM_IGNORECASE);
}
static BOOL WINAPI ChrCmpA(WORD ch1, WORD ch2)
{
return char_compare(ch1, ch2, 0);
}
BOOL WINAPI ChrCmpIW(WCHAR ch1, WCHAR ch2)
{
return CompareStringW(GetThreadLocale(), NORM_IGNORECASE, &ch1, 1, &ch2, 1) - CSTR_EQUAL;
}
static char * strstr_helper(const char *str, const char *search,
INT (WINAPI *cmp_func)(const char *, const char *, int))
char * WINAPI StrStrA(const char *str, const char *search)
{
const char *end;
size_t len;
if (!str || !search || !*search)
return NULL;
TRACE("%s, %s\n", wine_dbgstr_a(str), wine_dbgstr_a(search));
if (!str || !search || !*search) return NULL;
len = strlen(search);
end = str + strlen(str);
while (str + len <= end)
{
if (!cmp_func(str, search, len))
return (char *)str;
if (!StrCmpNA(str, search, len)) return (char *)str;
str = CharNextA(str);
}
return NULL;
}
char * WINAPI StrStrA(const char *str, const char *search)
{
TRACE("%s, %s\n", wine_dbgstr_a(str), wine_dbgstr_a(search));
return strstr_helper(str, search, StrCmpNA);
}
WCHAR * WINAPI StrStrW(const WCHAR *str, const WCHAR *search)
{
TRACE("%s, %s\n", wine_dbgstr_w(str), wine_dbgstr_w(search));
@ -465,9 +451,22 @@ WCHAR * WINAPI StrCpyNW(WCHAR *dst, const WCHAR *src, int count)
char * WINAPI StrStrIA(const char *str, const char *search)
{
const char *end;
size_t len;
TRACE("%s, %s\n", wine_dbgstr_a(str), debugstr_a(search));
return strstr_helper(str, search, StrCmpNIA);
if (!str || !search || !*search) return NULL;
len = strlen(search);
end = str + strlen(str);
while (str + len <= end)
{
if (!StrCmpNIA(str, search, len)) return (char *)str;
str = CharNextA(str);
}
return NULL;
}
WCHAR * WINAPI StrStrIW(const WCHAR *str, const WCHAR *search)
@ -493,35 +492,22 @@ WCHAR * WINAPI StrStrIW(const WCHAR *str, const WCHAR *search)
return NULL;
}
static int strspn_helper(const char *str, const char *match, char * (WINAPI *func)(const char *, WORD), BOOL invert)
int WINAPI StrSpnA(const char *str, const char *match)
{
const char *ptr = str;
if (!str || !*str || !match)
return 0;
TRACE("%s, %s\n", wine_dbgstr_a(str), wine_dbgstr_a(match));
if (!str || !match) return 0;
while (*ptr)
{
const char *test = func(match, *ptr);
if (!invert && !test)
break;
if (invert && test)
break;
if (!StrChrA(match, *ptr)) break;
ptr = CharNextA(ptr);
};
}
return ptr - str;
}
int WINAPI StrSpnA(const char *str, const char *match)
{
TRACE("%s, %s\n", wine_dbgstr_a(str), wine_dbgstr_a(match));
return strspn_helper(str, match, StrChrA, FALSE);
}
int WINAPI StrSpnW(const WCHAR *str, const WCHAR *match)
{
if (!str || !match) return 0;
@ -530,9 +516,18 @@ int WINAPI StrSpnW(const WCHAR *str, const WCHAR *match)
int WINAPI StrCSpnA(const char *str, const char *match)
{
const char *ptr = str;
TRACE("%s, %s\n", wine_dbgstr_a(str), wine_dbgstr_a(match));
return strspn_helper(str, match, StrChrA, TRUE);
if (!str || !match) return 0;
while (*ptr)
{
if (StrChrA(match, *ptr)) break;
ptr = CharNextA(ptr);
}
return ptr - str;
}
int WINAPI StrCSpnW(const WCHAR *str, const WCHAR *match)
@ -545,9 +540,18 @@ int WINAPI StrCSpnW(const WCHAR *str, const WCHAR *match)
int WINAPI StrCSpnIA(const char *str, const char *match)
{
const char *ptr = str;
TRACE("%s, %s\n", wine_dbgstr_a(str), wine_dbgstr_a(match));
return strspn_helper(str, match, StrChrIA, TRUE);
if (!str || !match) return 0;
while (*ptr)
{
if (StrChrIA(match, *ptr)) break;
ptr = CharNextA(ptr);
}
return ptr - str;
}
int WINAPI StrCSpnIW(const WCHAR *str, const WCHAR *match)
@ -568,34 +572,21 @@ int WINAPI StrCSpnIW(const WCHAR *str, const WCHAR *match)
return ptr - str;
}
static LPSTR strrchra_helper(const char *str, const char *end, WORD ch, BOOL (WINAPI *cmp_func)(WORD, WORD))
{
const char *ret = NULL;
WORD ch2;
if (!str)
return NULL;
if (!end)
end = str + lstrlenA(str);
while (*str && str <= end)
{
ch2 = IsDBCSLeadByte(*str) ? *str << 8 | str[1] : *str;
if (!cmp_func(ch, ch2))
ret = str;
str = CharNextA(str);
}
return (char *)ret;
}
char * WINAPI StrRChrA(const char *str, const char *end, WORD ch)
{
const char *ret = NULL;
TRACE("%s, %s, %#x\n", wine_dbgstr_a(str), wine_dbgstr_a(end), ch);
return strrchra_helper(str, end, ch, ChrCmpA);
if (!str) return NULL;
if (!end) end = str + lstrlenA(str);
while (*str && str <= end)
{
WORD ch2 = IsDBCSLeadByte(*str) ? *str << 8 | str[1] : *str;
if (!char_compare(ch, ch2, 0)) ret = str;
str = CharNextA(str);
}
return (char *)ret;
}
WCHAR * WINAPI StrRChrW(const WCHAR *str, const WCHAR *end, WORD ch)
@ -614,9 +605,20 @@ WCHAR * WINAPI StrRChrW(const WCHAR *str, const WCHAR *end, WORD ch)
char * WINAPI StrRChrIA(const char *str, const char *end, WORD ch)
{
const char *ret = NULL;
TRACE("%s, %s, %#x\n", wine_dbgstr_a(str), wine_dbgstr_a(end), ch);
return strrchra_helper(str, end, ch, ChrCmpIA);
if (!str) return NULL;
if (!end) end = str + lstrlenA(str);
while (*str && str <= end)
{
WORD ch2 = IsDBCSLeadByte(*str) ? *str << 8 | str[1] : *str;
if (!ChrCmpIA(ch, ch2)) ret = str;
str = CharNextA(str);
}
return (char *)ret;
}
WCHAR * WINAPI StrRChrIW(const WCHAR *str, const WCHAR *end, WORD ch)