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/*
* Copyright (C) 2001 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: Cns_getcwd.c,v $ $Revision: 1.1.1.1 $ $Date: 2001/06/03 06:59:41 $ CERN IT-PDP/DM Jean-Philippe Baud";
#endif /* not lint */
/* Cns_getcwd - get current working directory */
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "Cns_api.h"
#include "Cns.h"
#include "serrno.h"
char DLL_DECL *
Cns_getcwd(char *buf, int size)
{
int alloc = 0;
char func[16];
char path[CA_MAXPATHLEN+1];
struct Cns_api_thread_info *thip;
strcpy (func, "Cns_getcwd");
if (Cns_apiinit (&thip))
return (NULL);
if (size <= 0) {
serrno = EINVAL;
return (NULL);
}
if (! *thip->server) {
serrno = ENOENT;
return (NULL);
}
if (! buf) {
if ((buf = malloc (size)) == NULL) {
serrno = ENOMEM;
return (NULL);
}
alloc = 1;
}
if (Cns_getpath (thip->server, thip->cwd, path) < 0) {
if (alloc)
free (buf);
return (NULL);
}
if (strlen (path) > (size - 1)) {
serrno = ERANGE;
if (alloc)
free (buf);
return (NULL);
}
strcpy (buf, path);
return (buf);
}
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