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/*
* fnqual.c
*
* $Id$
*
* Filename qualification
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project 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; only version 2 of the License, dated June 1991.
*
* 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.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*/
#include "libutil.h"
#ifdef DOSFS
#define SLASH '\\'
#else
#define SLASH '/'
#endif
extern char *getcwd ();
/*
* Return a fully qualified filename, or NULL on error.
* The returned value (when != NULL) must be free()d after use
*/
char *
fnqualify (char *name)
{
char pathBuffer[1024];
struct stat sb;
char currentDir[1024];
int changeBack;
char *slash;
char *endPtr;
if (stat (name, &sb) == -1)
return NULL;
#ifdef DOSFS
fntodos (name);
#endif
if ((sb.st_mode & S_IFMT) == S_IFDIR)
{
if (getcwd (currentDir, sizeof (currentDir)) == NULL)
return NULL;
if (chdir (name) == -1)
return NULL;
if (getcwd (pathBuffer, sizeof (pathBuffer)) == NULL)
return NULL;
chdir (currentDir);
return strdup (pathBuffer);
}
if ((slash = strrchr (name, SLASH)) == NULL)
{
slash = name;
changeBack = 0;
}
else
{
slash++;
memcpy (pathBuffer, name, (size_t) (slash - name));
strcpy (&pathBuffer[(size_t) (slash - name)], ".");
if (getcwd (currentDir, sizeof (currentDir)) == NULL)
return NULL;
if (chdir (pathBuffer) == -1)
return NULL;
changeBack = 1;
}
if (getcwd (pathBuffer, sizeof (pathBuffer)) == NULL)
return NULL;
if (changeBack)
chdir (currentDir);
endPtr = &pathBuffer[strlen (pathBuffer) - 1];
if (*endPtr != SLASH)
*++endPtr = SLASH;
strcpy (++endPtr, slash);
return strdup (pathBuffer);
}
#ifdef TEST
int
main (int argc, char **argv)
{
while (--argc)
{
argv++;
printf ("%s -> %s\n", *argv, fnqualify (*argv));
}
return 0;
}
#endif
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