86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
/*
|
|
* GT CLIPPER STANDARD HEADER
|
|
*
|
|
* File......: strcspn.c
|
|
* Author....: Andy M Leighton
|
|
* BBS.......: The Dark Knight Returns
|
|
* Net/Node..: 050/069
|
|
* User Name.: Andy Leighton
|
|
* Date......: 23/05/93
|
|
* Revision..: 1.00
|
|
*
|
|
* This is an original work by Andy Leighton and is placed in the
|
|
* public domain.
|
|
*
|
|
* Modification history:
|
|
* ---------------------
|
|
*
|
|
* $Log$
|
|
* Revision 1.3 1999/06/12 00:21:58 gdiet
|
|
* ChangeLogTag:Fri Jun 11 19:14:22 1999 Gonzalo A. Diethelm <Gonzalo.Diethelm@jda.cl>
|
|
*
|
|
* Revision 1.2 1999/06/09 18:06:05 dholm
|
|
* See ChangeLog entry 19990609-12:55 EDT David G. Holm <dholm@jsd-llc.com>
|
|
*
|
|
* Revision 1.1 1999/06/02 06:49:39 ajahja
|
|
* Adding GT Library
|
|
*
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* $DOC$
|
|
* $FUNCNAME$
|
|
* GT_STRCSPN()
|
|
* $CATEGORY$
|
|
* String
|
|
* $ONELINER$
|
|
* Return length of prefix in string of chars NOT in set.
|
|
* $SYNTAX$
|
|
* GT_strcspn(<cString>, <cSet>) --> nLength
|
|
* $ARGUMENTS$
|
|
* <cString> - The string to find the prefix in
|
|
* <cSet> - The set of characters
|
|
* $RETURNS$
|
|
* nLength - The length of a string upto a character in the set
|
|
* $DESCRIPTION$
|
|
* Return the number of characters in the leading segment of a
|
|
* string that consists solely of characters NOT in the set.
|
|
* $EXAMPLES$
|
|
*
|
|
* ? GT_strcspn("this is a test", "as ") // prints 3
|
|
* ? GT_strcspn("this is a test", "elnjpq") // prints 11
|
|
*
|
|
* $END$
|
|
*/
|
|
|
|
|
|
#include <extend.h>
|
|
|
|
HARBOUR HB_GT_STRCSPN( void )
|
|
{
|
|
char *string;
|
|
char *cset;
|
|
int l1, l2;
|
|
int p1, p2;
|
|
|
|
if (ISCHAR(1) && ISCHAR(2)) {
|
|
string = _parc(1);
|
|
cset = _parc(2);
|
|
l1 = _parclen(1);
|
|
l2 = _parclen(2);
|
|
|
|
for (p1 = 0; p1 < l1; ++p1) {
|
|
for (p2 = 0; (p2 < l2) && (string[p1] != cset[p2]); ++p2)
|
|
;
|
|
|
|
if (p2 < l2)
|
|
break;
|
|
}
|
|
_retni(p1);
|
|
} else {
|
|
_retni(-1); // parameter mismatch - error -1
|
|
}
|
|
}
|
|
|