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- /* << ACE >> - db.lib module: C string functions.
- ** Copyright (C) 1998 David Benn
- **
- ** This program is free software; you can redistribute it and/or
- ** modify it under the terms of the GNU General Public License
- ** as published by the Free Software Foundation; either version 2
- ** of the License, or (at your option) any later version.
- **
- ** This program is distributed in the hope that it will be useful,
- ** but WITHOUT ANY WARRANTY; without even the implied warranty of
- ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ** GNU General Public License for more details.
- **
- ** You should have received a copy of the GNU General Public License
- ** along with this program; if not, write to the Free Software
- ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- **
- ** Author: David J Benn
- ** Date: 19th,20th March 1994,
- ** 17th October 1996
- */
-
- #include <exec/types.h>
-
- /* functions */
-
- void stringcopy(a,b)
- char *a,*b;
- {
- /* copy contents of b to a */
-
- while (*a++ = *b++);
- }
-
- ULONG stringlength(a)
- char *a;
- {
- long i=0;
-
- /* return length of a */
-
- while (a[i]) i++;
- return(i);
- }
-
- LONG stringcompare(s,t)
- char *s,*t;
- {
- /* lexicographical comparison of 2 strings */
-
- while (s && t && *s == *t)
- {
- if (!*s) return(0); /* EOS */
- s++;
- t++;
- }
-
- /* if either string is null treat as if it were "" ? */
-
- if (s && !t)
- return(*s); /* ie. *s - 0 */
- else
- if (!s && t)
- return(0 - *t);
- else
- return(*s - *t);
- }
-