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/*
* strpos.c - Returns the offset of a string in a substring.
*
* Copyright (c) 2001, 2002 Andre Guibert de Bruet. <andre@siliconlandmark.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* You might want to place this next block in a header file somewhere:
*/
#ifndef UNICODE
# define TCHAR char
# define STRING char *
#else
# ifndef TCHAR
# define TCHAR wchar_t
# endif /* TCHAR */
# define STRING wchar_t *
#endif /* UNICODE */
int strpos( STRING haystack, STRING needle )
{
STRING pDest;
int position;
#ifdef DEBUG_VERBOSE
TCHAR lpBuf[1024];
#endif /* def DEBUG_VERBOSE */
#ifndef UNICODE
pDest = (STRING) strstr( haystack, needle );
#else
pDest = (STRING) wcsstr( haystack, needle );
#endif /* UNICODE */
if ( pDest )
position = pDest - haystack;
else
{
#ifdef DEBUG_VERBOSE
# ifdef UNICODE
printf( L"strpos(): Could not find '%s' in '%s'.\tFAIL.", needle, haystack );
# else
printf( "strpos(): Could not find '%s' in '%s'.\tFAIL.", needle, haystack );
# endif /* def UNICODE */
#endif /* def DEBUG_VERBOSE */
return -1;
}
#ifdef DEBUG_VERBOSE
# ifdef UNICODE
printf( L"strpos(): Found '%s' at position: %d.\t\tOK.", needle, position );
# else
printf( "strpos(): Found '%s' at position: %d.\t\tOK.", needle, position );
# endif /* def UNICODE */
#endif /* def DEBUG_VERBOSE */
return position;
}
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