3 * COPYRIGHT: See COPYING in the top level directory
4 * PROJECT: ReactOS kernel
5 * FILE: ntoskrnl/rtl/wstring.c
6 * PURPOSE: Wide string functions
7 * PROGRAMMER: David Welch (welch@cwcom.net)
10 * 1998/12/04 RJJ Cleaned up and added i386 def checks.
11 * 1999/07/29 ekohl Added missing functions.
14 /* INCLUDES *****************************************************************/
16 #include <ddk/ntddk.h>
19 #include <internal/debug.h>
21 /* FUNCTIONS *****************************************************************/
23 int _wcsicmp (const wchar_t* cs, const wchar_t* ct)
25 while (*cs != '\0' && *ct != '\0' && towupper(*cs) == towupper(*ct))
33 wchar_t *_wcslwr (wchar_t *x)
46 int _wcsnicmp (const wchar_t * cs,const wchar_t * ct,size_t count)
51 if (towupper(*cs) != towupper(*ct++))
52 return towupper(*cs) - towupper(*--ct);
55 } while (--count != 0);
60 wchar_t *_wcsnset (wchar_t* wsToFill, wchar_t wcFill, size_t sizeMaxFill)
62 wchar_t *t = wsToFill;
64 while( *wsToFill != 0 && i < (int) sizeMaxFill)
74 wchar_t *_wcsrev(wchar_t *s)
93 wchar_t *_wcsupr(wchar_t *x)
106 wchar_t * wcscat(wchar_t *dest, const wchar_t *src)
110 for (j = 0; dest[j] != 0; j++)
112 for (i = 0; src[i] != 0; i++)
114 dest[j + i] = src[i];
121 wchar_t * wcschr(const wchar_t *str, wchar_t ch)
123 while ((*str) != ((wchar_t) 0))
127 return (wchar_t *) str;
136 int wcscmp(const wchar_t *cs, const wchar_t *ct)
138 while (*cs != '\0' && *ct != '\0' && *cs == *ct)
147 wchar_t* wcscpy(wchar_t* str1, const wchar_t* str2)
150 DPRINT("wcscpy(str1 %S, str2 %S)\n",str1,str2);
162 size_t wcscspn(const wchar_t *str,const wchar_t *reject)
178 return s-str; /* nr of wchars */
182 size_t wcslen(const wchar_t *s)
184 unsigned int len = 0;
195 wchar_t * wcsncat(wchar_t *dest, const wchar_t *src, size_t count)
199 for (j = 0; dest[j] != 0; j++)
201 for (i = 0; i < count; i++)
203 dest[j + i] = src[i];
215 int wcsncmp(const wchar_t *cs, const wchar_t *ct, size_t count)
217 while (*cs != '\0' && *ct != '\0' && *cs == *ct && --count)
226 wchar_t *wcsncpy(wchar_t *dest, const wchar_t *src, size_t count)
230 for (i = 0; i < count; i++)
243 wchar_t *wcsrchr(const wchar_t *str, wchar_t ch)
245 unsigned int len = 0;
246 while (str[len] != ((wchar_t)0))
251 for (; len > 0; len--)
255 return (wchar_t *) &str[len - 1];
263 size_t wcsspn(const wchar_t *str,const wchar_t *accept)
281 return s-str; /* nr of wchars */
285 wchar_t *wcsstr(const wchar_t *s,const wchar_t *b)
297 while (*y && *c && *y==*c)