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/*
* SCCS: @(#)mkdir.c 1.11 (98/08/28)
*
* UniSoft Ltd., London, England
*
* (C) Copyright 1992 X/Open Company Limited
*
* All rights reserved. No part of this source code may be reproduced,
* stored in a retrieval system, or transmitted, in any form or by any
* means, electronic, mechanical, photocopying, recording or otherwise,
* except as stated in the end-user licence agreement, without the prior
* permission of the copyright owners.
*
* X/Open and the 'X' symbol are trademarks of X/Open Company Limited in
* the UK and other countries.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/************************************************************************
SCCS: @(#)mkdir.c 1.11 98/08/28 TETware release 3.3
NAME: mkdir.c
PRODUCT: TETware
AUTHOR: Andrew Dingwall, UniSoft Ltd.
DATE CREATED: April 1992
DESCRIPTION:
functions to create and remove a directory
MODIFICATIONS:
Andrew Dingwall, UniSoft Ltd., May 1997
port to Windows 95
Andrew Dingwall, UniSoft Ltd., July 1998
Extended the Windows 95 errno band-aid code to Windows NT as well.
Aaron Plattner, April 2010
Fixed warnings when compiled with GCC's -Wall option.
************************************************************************/
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "dtmac.h"
#include "dtetlib.h"
#ifdef NOMKDIR
# include "error.h"
#else
# include <unistd.h>
# define MKDIR(A, B) mkdir((A), (mode_t) (B))
# define RMDIR(A) rmdir(A)
#endif /* NOMKDIR */
/* extern function declarations */
#ifdef NOMKDIR
# ifdef LOCAL_FUNCTION_DECL
extern void _exit();
# endif
#endif
/* static function declarations */
#ifdef NOMKDIR
static int hardmkrmdir PROTOLIST((char *, char *, int));
#else
#endif /* NOMKDIR */
/*
** tet_mkdir() - create a directory
**
** return 0 if successful, -1 otherwise
*/
int tet_mkdir(path, mode)
char *path;
int mode;
{
register int rc;
#ifdef NOMKDIR
register char *p;
register int n;
struct stat stbuf;
char dir[MAXPATH + 1];
/* see if the directory exists already */
if (stat(path, &stbuf) == 0) {
errno = EEXIST;
return(-1);
}
/* see if a mkdir is likely to succeed */
for (p = path + strlen(path) - 1; p >= path; p--)
if (*p == '/')
break;
if (p > path) {
n = p - path;
sprintf(dir, "%.*s",
TET_MIN(n, (int) sizeof dir - 1), path);
if (stat(dir, &stbuf) < 0)
return(-1);
if ((stbuf.st_mode & S_IFMT) != S_IFDIR) {
errno = ENOTDIR;
return(-1);
}
if (tet_eaccess(dir, 02) < 0)
return(-1);
}
/* we must make it the hard way */
if ((rc = hardmkrmdir("mkdir", path, mode)) < 0)
if (rc == -1)
errno = EEXIST;
else
rc = -1;
#else /* NOMKDIR */
/* easy - we have mkdir(2) */
rc = MKDIR(path, mode);
#endif /* NOMKDIR */
return(rc);
}
/*
** tet_rmdir() - remove a directory
**
** return 0 if successful, -1 otherwise
*/
int tet_rmdir(path)
char *path;
{
register int rc;
#ifdef NOMKDIR
register char *p;
register int n;
struct stat stbuf;
char dir[MAXPATH + 1];
/* see if the path exists and is a directory */
if (stat(path, &stbuf) < 0)
return(-1);
if ((stbuf.st_mode & S_IFMT) != S_IFDIR) {
errno = ENOTDIR;
return(-1);
}
/* see if a rmdir is likely to succeed */
for (p = path + strlen(path) - 1; p >= path; p--)
if (*p == '/')
break;
if (p > path) {
n = p - path;
sprintf(dir, "%.*s",
TET_MIN(n, (int) sizeof dir - 1), path);
if (tet_eaccess(dir, 02) < 0)
return(-1);
}
/* we must remove it the hard way */
if ((rc = hardmkrmdir("rmdir", path, 0777)) < 0)
if (rc == -1)
errno = ENOENT;
else
rc = -1;
#else /* NOMKDIR */
/* easy - we have rmdir(2) */
rc = RMDIR(path);
/* band-aid for non-POSIX systems */
# ifdef ENOTEMPTY
if (rc < 0 && errno == ENOTEMPTY)
errno = EEXIST;
# endif /* ENOTEMPTY */
/* band-aid for Windows 95 (and Windows NT using SMB) */
#endif /* NOMKDIR */
return(rc);
}
#ifndef NOMKDIR
#endif /* !NOMKDIR */
#ifdef NOMKDIR
/*
** hardmkrmdir() - fork and exec mkdir or rmdir
**
** return 0 if the program succeeded
** -1 if it failed
** -2 for some other error
*/
static int hardmkrmdir(prog, path, mode)
char *prog, *path;
int mode;
{
char *argv[3];
register int pid, rc;
int status, save_errno;
char msg[32];
switch (pid = tet_dofork()) {
case 0:
argv[0] = prog;
argv[1] = path;
argv[2] = (char *) 0;
umask(~(mode & ~umask(0)) & 077);
execvp(prog, argv);
sprintf(msg, "can't exec: %s", prog);
error(errno, msg, path);
_exit(~0);
/* NOTREACHED */
case -1:
save_errno = errno;
sprintf(msg, "can't fork: %s", prog);
error(errno, msg, path);
errno = save_errno;
return(-2);
default:
status = 0;
while ((rc = wait(&status)) > 0)
if (rc == pid)
break;
if (rc < 0) {
save_errno = errno;
sprintf(msg, "wait failed: %s", prog);
error(errno, prog, msg);
errno = save_errno;
return(-2);
}
if (status & 0xffff) {
if ((status & 0xff00) != 0xff00) {
sprintf(msg, "%s failed:", prog);
error(0, msg, path);
}
return(-1);
}
break;
}
return(0);
}
#endif /* NOMKDIR */
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