94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* GT CLIPPER STANDARD HEADER
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*
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* File......: charmix.c
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* Author....: Andy M Leighton
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* BBS.......: The Dark Knight Returns
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* Net/Node..: 050/069
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* User Name.: Andy Leighton
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* Date......: 24/05/93
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* Revision..: 1.00
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*
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* This is an original work by Andy Leighton and is placed in the
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* public domain.
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*
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* Modification history:
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* ---------------------
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*
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* $Log$
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* Revision 1.2 1999/06/02 19:53:28 dholm
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* See ChangeLog entry 19990602-14:50 EDT David G. Holm <dholm@jsd-llc.com>
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*
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* Revision 1.1 1999/06/02 06:49:38 ajahja
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* Adding GT Library
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*
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*
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*/
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/*
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* $DOC$
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* $FUNCNAME$
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* GT_CHARMIX()
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* $CATEGORY$
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* String
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* $ONELINER$
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* Amalgamate two strings to form the return value
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* $SYNTAX$
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* GT_CharMix(<cStr1>, <cStr2>) --> cRet
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* $ARGUMENTS$
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* <cStr1> - A character string to mix
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* <cStr2> - A character string to mix with
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* $RETURNS$
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* cRet - A string consisting of all the characters in <cStr1>
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* mixed with all the characters in <cStr2>
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* $DESCRIPTION$
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* Return a string consisting of all the characters in <cStr1>
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* mixed with the characters from <cStr2>.
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*
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* NOTE:
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* invalid parameters will return ""
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* $EXAMPLES$
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*
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* ? gt_CharMix("abc", "123") // prints "a1b2c3"
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* ? gt_CharMix("abcde", "123") // prints "a1b2c3de"
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* ? gt_CharMix("abc", "12345") // prints "a1b2c345"
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*
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* $END$
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*/
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#include <extend.h>
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HARBOUR
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gt_charMix()
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{
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char *s1, *s2, *s3;
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int l1, l2, i, pos;
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if (ISCHAR(1) && ISCHAR(2)) {
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s1 = _parc(1);
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s2 = _parc(2);
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l1 = _parclen(1);
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l2 = _parclen(2);
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pos = 0;
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s3 = (char*)_xgrab(l1 + l2); // grab us some mem to work with
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for (i = 0; i < l1; i++) {
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s3[pos++] = s1[i];
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if (i < l2)
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s3[pos++] = s2[i];
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}
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if (l2 > l1)
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for (; i < l2; i++)
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s3[pos++] = s2[i];
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s3[pos] = '\0';
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_retc(s3);
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_xfree(s3); // free alloc'ed mem
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} else {
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_retc((char *) NULL); // parameter mismatch - error NullStr
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}
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}
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