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-rw-r--r--private/crt32/string/wcsstr.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/private/crt32/string/wcsstr.c b/private/crt32/string/wcsstr.c
new file mode 100644
index 000000000..df6d3d638
--- /dev/null
+++ b/private/crt32/string/wcsstr.c
@@ -0,0 +1,62 @@
+/***
+*wcsstr.c - search for one wide-character string inside another
+*
+* Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
+*
+*Purpose:
+* defines wcsstr() - search for one wchar_t string inside another
+*
+*Revision History:
+* 09-09-91 ETC Created from strstr.c.
+* 04-07-92 KRS Updated and ripped out _INTL switches.
+*
+*******************************************************************************/
+
+#include <cruntime.h>
+#include <string.h>
+
+/***
+*wchar_t *wcsstr(string1, string2) - search for string2 in string1
+* (wide strings)
+*
+*Purpose:
+* finds the first occurrence of string2 in string1 (wide strings)
+*
+*Entry:
+* wchar_t *string1 - string to search in
+* wchar_t *string2 - string to search for
+*
+*Exit:
+* returns a pointer to the first occurrence of string2 in
+* string1, or NULL if string2 does not occur in string1
+*
+*Uses:
+*
+*Exceptions:
+*
+*******************************************************************************/
+
+wchar_t * _CALLTYPE1 wcsstr (
+ const wchar_t * wcs1,
+ const wchar_t * wcs2
+ )
+{
+ wchar_t *cp = (wchar_t *) wcs1;
+ wchar_t *s1, *s2;
+
+ while (*cp)
+ {
+ s1 = cp;
+ s2 = (wchar_t *) wcs2;
+
+ while ( *s1 && *s2 && !(*s1-*s2) )
+ s1++, s2++;
+
+ if (!*s2)
+ return(cp);
+
+ cp++;
+ }
+
+ return(NULL);
+}