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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 | } |