X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/e3cf15b684ccf1496b6a682c8d46192674711eb2..9385eb3d10ebe5eb398c52040ec3dbfba9b0cdcf:/stdio/FreeBSD/tempnam.c?ds=sidebyside diff --git a/stdio/FreeBSD/tempnam.c b/stdio/FreeBSD/tempnam.c new file mode 100644 index 0000000..d4dbaa3 --- /dev/null +++ b/stdio/FreeBSD/tempnam.c @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1988, 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[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include +__FBSDID("$FreeBSD: src/lib/libc/stdio/tempnam.c,v 1.10 2002/03/22 21:53:04 obrien Exp $"); + +#include +#include +#include +#include +#include +#include +#include + +__warn_references(tempnam, + "warning: tempnam() possibly used unsafely; consider using mkstemp()"); + +extern char *_mktemp(char *); + +char * +tempnam(dir, pfx) + const char *dir, *pfx; +{ + int sverrno; + char *f, *name; + + if (!(name = malloc(MAXPATHLEN))) + return(NULL); + + if (!pfx) + pfx = "tmp."; + + if (issetugid() == 0 && (f = getenv("TMPDIR"))) { + (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f, + *(f + strlen(f) - 1) == '/'? "": "/", pfx); + if ((f = _mktemp(name))) + return(f); + } + + if ((f = (char *)dir)) { + (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f, + *(f + strlen(f) - 1) == '/'? "": "/", pfx); + if ((f = _mktemp(name))) + return(f); + } + + f = P_tmpdir; + (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx); + if ((f = _mktemp(name))) + return(f); + + f = _PATH_TMP; + (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx); + if ((f = _mktemp(name))) + return(f); + + sverrno = errno; + free(name); + errno = sverrno; + return(NULL); +}