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/*
* Copyright (C) 2003-2004 by CERN/IT/GD/CT
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: nsln.c,v $ $Revision: 1.1.1.1 $ $Date: 2004/12/02 12:31:56 $ CERN IT-GD/CT Jean-Philippe Baud";
#endif /* not lint */
/* nsln - make a symbolic link to a file or a directory */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#if defined(_WIN32)
#include <winsock2.h>
#endif
#include "Cns.h"
#include "Cns_api.h"
#include "serrno.h"
extern char *getenv();
extern int optind;
int sflag;
main(argc, argv)
int argc;
char **argv;
{
int c;
int errflg = 0;
char fullpath[CA_MAXPATHLEN+1];
int i;
char *lastarg;
char *p;
char path[CA_MAXPATHLEN+1];
struct Cns_filestat statbuf;
#if defined(_WIN32)
WSADATA wsadata;
#endif
while ((c = getopt (argc, argv, "s")) != EOF) {
switch (c) {
case 's':
sflag++;
break;
case '?':
errflg++;
break;
default:
break;
}
}
if (! sflag)
errflg++;
if (errflg || optind >= argc) {
fprintf (stderr,
"usage: %s -s file [link]\n\t%s -s file...directory\n",
argv[0], argv[0]);
exit (USERR);
}
if (argc - optind > 2) {
if (Cns_stat (argv[argc-1], &statbuf) < 0 ||
(statbuf.filemode & S_IFDIR) == 0) {
fprintf (stderr, "target %s must be a directory\n",
argv[argc-1]);
exit (USERR);
}
}
#if defined(_WIN32)
if (WSAStartup (MAKEWORD (2, 0), &wsadata)) {
fprintf (stderr, NS052);
exit (SYERR);
}
#endif
argc -= optind;
argv += optind;
if (argc == 1)
if (p = strrchr (argv[0], '/'))
lastarg = p + 1;
else
lastarg = argv[0];
else
lastarg = argv[--argc];
for (i = 0; i < argc; i++) {
if (argc > 1)
if (p = strrchr (argv[i], '/'))
sprintf (path, "%s/%s", lastarg, p + 1);
else
sprintf (path, "%s/%s", lastarg, argv[i]);
else
strcpy (path, lastarg);
if (*path != '/' && strstr (path, ":/") == NULL) {
if ((p = getenv (CNS_HOME_ENV)) == NULL ||
strlen (p) + strlen (path) + 1 > CA_MAXPATHLEN) {
fprintf (stderr, "%s: invalid path\n", path);
errflg++;
continue;
} else
sprintf (fullpath, "%s/%s", p, path);
} else {
if (strlen (path) > CA_MAXPATHLEN) {
fprintf (stderr, "%s: %s\n", path,
sstrerror(SENAMETOOLONG));
errflg++;
continue;
} else
strcpy (fullpath, path);
}
if (Cns_symlink (argv[i], fullpath)) {
fprintf (stderr, "%s: %s\n", path, sstrerror(serrno));
errflg++;
}
}
#if defined(_WIN32)
WSACleanup();
#endif
if (errflg)
exit (USERR);
exit (0);
}
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