diff options
Diffstat (limited to 'dbm/src/mktemp.c')
| -rw-r--r-- | dbm/src/mktemp.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/dbm/src/mktemp.c b/dbm/src/mktemp.c deleted file mode 100644 index 574eb9fe5..000000000 --- a/dbm/src/mktemp.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright (c) 1987, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)mktemp.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ - -#include "watcomfx.h" - -#ifdef macintosh -#include <unix.h> -#else -#include <sys/types.h> -#include <sys/stat.h> -#endif -#include <fcntl.h> -#include <errno.h> -#include <stdio.h> -#include <ctype.h> -#include "mcom_db.h" - -#if !defined(_WINDOWS) && !defined(XP_OS2_VACPP) -#include <unistd.h> -#endif - -#ifdef XP_OS2_VACPP -#define ENOTDIR EBADPOS -#include <process.h> -#include <dirent.h> -#endif - -#ifdef _WINDOWS -#include <process.h> -#include "winfile.h" -#endif - -static int _gettemp(char *path, register int *doopen, int extraFlags); - -int -mkstemp(char *path) -{ -#ifdef XP_OS2 - FILE *temp = tmpfile(); - - return (temp ? fileno(temp) : -1); -#else - int fd; - - return (_gettemp(path, &fd, 0) ? fd : -1); -#endif -} - -int -mkstempflags(char *path, int extraFlags) -{ - int fd; - - return (_gettemp(path, &fd, extraFlags) ? fd : -1); -} - -char * -mktemp(char *path) -{ - return(_gettemp(path, (int *)NULL, 0) ? path : (char *)NULL); -} - -/* NB: This routine modifies its input string, and does not always restore it. -** returns 1 on success, 0 on failure. -*/ -static int -_gettemp(char *path, register int *doopen, int extraFlags) -{ -#if !defined(_WINDOWS) || defined(_WIN32) - extern int errno; -#endif - register char *start, *trv; - struct stat sbuf; - unsigned int pid; - - pid = getpid(); - for (trv = path; *trv; ++trv); /* extra X's get set to 0's */ - while (*--trv == 'X') { - *trv = (pid % 10) + '0'; - pid /= 10; - } - - /* - * check the target directory; if you have six X's and it - * doesn't exist this runs for a *very* long time. - */ - for (start = trv + 1;; --trv) { - char saved; - if (trv <= path) - break; - saved = *trv; - if (saved == '/' || saved == '\\') { - int rv; - *trv = '\0'; - rv = stat(path, &sbuf); - *trv = saved; - if (rv) - return(0); - if (!S_ISDIR(sbuf.st_mode)) { - errno = ENOTDIR; - return(0); - } - break; - } - } - - for (;;) { - if (doopen) { - if ((*doopen = - open(path, O_CREAT|O_EXCL|O_RDWR|extraFlags, 0600)) >= 0) - return(1); - if (errno != EEXIST) - return(0); - } - else if (stat(path, &sbuf)) - return(errno == ENOENT ? 1 : 0); - - /* tricky little algorithm for backward compatibility */ - for (trv = start;;) { - if (!*trv) - return(0); - if (*trv == 'z') - *trv++ = 'a'; - else { - if (isdigit(*trv)) - *trv = 'a'; - else - ++*trv; - break; - } - } - } - /*NOTREACHED*/ -} |