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| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1988, 1993 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. All advertising materials mentioning features or use of this software |
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| 14 | * must display the following acknowledgement: |
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| 15 | * This product includes software developed by the University of |
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| 16 | * California, Berkeley and its contributors. |
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| 17 | * 4. Neither the name of the University nor the names of its contributors |
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| 18 | * may be used to endorse or promote products derived from this software |
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| 19 | * without specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 31 | * SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |||
| 34 | /* MODIFIED */ |
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| 35 | #include <fs/limits.h> |
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| 36 | |||
| 37 | #if defined(LIBC_SCCS) && !defined(lint) |
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| 38 | #if 0 |
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| 39 | static char sccsid[] = "@(#)tempnam.c 8.1 (Berkeley) 6/4/93"; |
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| 40 | #endif |
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| 41 | static const char rcsid[] = |
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| 42 | "$\Id: tempnam.c,v 1.3 1996/06/22 10:33:58 jraynard Exp $"; |
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| 43 | #endif /* LIBC_SCCS and not lint */ |
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| 44 | |||
| 45 | #include <sys/param.h> |
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| 46 | #include <errno.h> |
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| 47 | #include <stdio.h> |
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| 48 | #include <stdlib.h> |
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| 49 | #include <string.h> |
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| 50 | #include <unistd.h> |
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| 51 | #include <paths.h> |
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| 52 | |||
| 53 | char * |
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| 54 | tempnam(dir, pfx) |
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| 55 | const char *dir, *pfx; |
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| 56 | { |
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| 57 | int sverrno; |
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| 58 | char *f, *name; |
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| 59 | |||
| 60 | if (!(name = malloc(MAXPATHLEN))) |
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| 61 | return(NULL); |
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| 62 | |||
| 63 | if (!pfx) |
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| 64 | pfx = "tmp."; |
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| 65 | |||
| 66 | if ((f = getenv("TMPDIR"))) { |
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| 67 | (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f, |
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| 68 | *(f + strlen(f) - 1) == '/'? "": "/", pfx); |
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| 69 | if ((f = mktemp(name))) |
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| 70 | return(f); |
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| 71 | } |
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| 72 | |||
| 73 | if ((f = (char *)dir)) { |
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| 74 | (void)snprintf(name, MAXPATHLEN, "%s%s%sXXXXXX", f, |
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| 75 | *(f + strlen(f) - 1) == '/'? "": "/", pfx); |
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| 76 | if ((f = mktemp(name))) |
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| 77 | return(f); |
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| 78 | } |
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| 79 | |||
| 80 | f = P_tmpdir; |
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| 81 | (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx); |
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| 82 | if ((f = mktemp(name))) |
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| 83 | return(f); |
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| 84 | |||
| 85 | f = _PATH_TMP; |
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| 86 | (void)snprintf(name, MAXPATHLEN, "%s%sXXXXXX", f, pfx); |
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| 87 | if ((f = mktemp(name))) |
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| 88 | return(f); |
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| 89 | |||
| 90 | sverrno = errno; |
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| 91 | free(name); |
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| 92 | errno = sverrno; |
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| 93 | return(NULL); |
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| 94 | } |