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- /*
- * This file is part of ixemul.library for the Amiga.
- * Copyright (C) 1991, 1992 Markus M. Wild
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * symlink.c,v 1.1.1.1 1994/04/04 04:30:36 amiga Exp
- *
- * symlink.c,v
- * Revision 1.1.1.1 1994/04/04 04:30:36 amiga
- * Initial CVS check in.
- *
- * Revision 1.2 1992/07/04 19:21:58 mwild
- * cut a possibly leading `./' in symlink contents. This is a kludge, but it's
- * the only way to get `configure' working without changes.
- *
- * Revision 1.1 1992/05/14 19:55:40 mwild
- * Initial revision
- *
- */
-
- #define _KERNEL
- #include "ixemul.h"
- #include <string.h>
-
- #ifndef LINK_SOFT
- #define LINK_SOFT 1
- #endif
-
- static void u2a(const char *orig, char *new)
- {
- if (index(orig, ':'))
- {
- strcpy(new, orig);
- return;
- }
- if (*orig == '/')
- {
- while (*orig == '/')
- orig++;
- while (*orig && *orig != '/')
- *new++ = *orig++;
- *new++ = ':';
- if (*orig)
- orig++;
- }
- while (*orig)
- {
- if (!memcmp(orig, "../", 3))
- {
- orig += 3;
- *new++ = '/';
- }
- else if (!memcmp(orig, "./", 2))
- orig += 2;
- else if (*orig == '/')
- orig++;
- else if (!strcmp(orig, ".."))
- {
- orig += 2;
- *new++ = '/';
- }
- else if (!strcmp(orig, "."))
- orig++;
- else
- {
- while (*orig && *orig != '/')
- *new++ = *orig++;
- if (*orig == '/')
- *new++ = *orig++;
- }
- }
- *new = '\0';
- }
-
- int symlink (const char *old, const char *new)
- {
- char *lstr;
-
- /* is long-alignment needed here? This is DOS, isn't it... */
- lstr = alloca (strlen (old) + 4);
- lstr = LONG_ALIGN (lstr);
- u2a(old, lstr);
- return __make_link ((char *)new, (BPTR)lstr, LINK_SOFT) == -1 ? 0 : -1;
- }
-