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79 lines
1.4 KiB
C
79 lines
1.4 KiB
C
/*
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* Copyright 1996 Devin Reade <gdr@myrias.com>.
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* All rights reserved.
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*
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* For copying and distribution information, see the file "COPYING"
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* accompanying this file.
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*
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* $Id: stringGS.c,v 1.1 1996/03/31 23:38:34 gdr Exp $
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*/
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#include <gsos.h>
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#include "install.h"
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/*
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* strcpyGSString255
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*
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* copies the GSString255 pointed to by <from> to that pointed
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* to by <to>
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*/
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void
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strcpyGSString255 (GSString255Ptr to, GSString255Ptr from)
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{
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int i;
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char *p = from->text;
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char *q = to->text;
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for (i=0; i<from->length; i++) *q++ = *p++;
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to->length = from->length;
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return;
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}
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/*
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* strcatGSString255
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*
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* concatenates the string <from> onto <to>, to a maximum of 255
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* chars total in <to>.
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*/
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void
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strcatGSString255 (GSString255Ptr to, GSString255Ptr from)
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{
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int i, count;
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char *p = from->text;
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char *q = to->text;
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q+= to->length;
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count = from->length;
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if (count > 255 - to->length) count = 255 - to->length;
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for (i=0; i<count; i++) {
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*q++ = *p++;
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}
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to->length += count;
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return;
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}
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/*
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* like strcmp(3), but for GSString255Ptr args.
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*/
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int
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strcmpGSString255 (GSString255Ptr a, GSString255Ptr b)
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{
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int i, count;
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char *p, *q;
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count = a->length - b->length;
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if (count) return count;
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p = a->text;
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q = b->text;
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for (i=0; i<count; i++, p++, q++) {
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if (*p == *q) continue;
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else if (*p > *q) return 1;
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else return -1;
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}
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return 0;
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}
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