Mercurial > hg > CbC > CbC_gcc
annotate libiberty/choose-temp.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
rev | line source |
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0 | 1 /* Utility to pick a temporary filename prefix. |
145 | 2 Copyright (C) 1996-2020 Free Software Foundation, Inc. |
0 | 3 |
4 This file is part of the libiberty library. | |
5 Libiberty is free software; you can redistribute it and/or | |
6 modify it under the terms of the GNU Library General Public | |
7 License as published by the Free Software Foundation; either | |
8 version 2 of the License, or (at your option) any later version. | |
9 | |
10 Libiberty is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 Library General Public License for more details. | |
14 | |
15 You should have received a copy of the GNU Library General Public | |
16 License along with libiberty; see the file COPYING.LIB. If not, | |
17 write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, | |
18 Boston, MA 02110-1301, USA. */ | |
19 | |
20 #ifdef HAVE_CONFIG_H | |
21 #include "config.h" | |
22 #endif | |
23 | |
24 #include <stdio.h> /* May get P_tmpdir. */ | |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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25 #include <sys/types.h> |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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26 #ifdef HAVE_UNISTD_H |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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27 #include <unistd.h> |
77e2b8dfacca
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28 #endif |
0 | 29 #ifdef HAVE_STDLIB_H |
30 #include <stdlib.h> | |
31 #endif | |
32 #ifdef HAVE_STRING_H | |
33 #include <string.h> | |
34 #endif | |
35 | |
36 #include "libiberty.h" | |
37 | |
38 /* Name of temporary file. | |
39 mktemp requires 6 trailing X's. */ | |
40 #define TEMP_FILE "ccXXXXXX" | |
41 #define TEMP_FILE_LEN (sizeof(TEMP_FILE) - 1) | |
42 | |
43 /* | |
44 | |
45 @deftypefn Extension char* choose_temp_base (void) | |
46 | |
47 Return a prefix for temporary file names or @code{NULL} if unable to | |
48 find one. The current directory is chosen if all else fails so the | |
49 program is exited if a temporary directory can't be found (@code{mktemp} | |
50 fails). The buffer for the result is obtained with @code{xmalloc}. | |
51 | |
52 This function is provided for backwards compatibility only. Its use is | |
53 not recommended. | |
54 | |
55 @end deftypefn | |
56 | |
57 */ | |
58 | |
59 char * | |
60 choose_temp_base (void) | |
61 { | |
62 const char *base = choose_tmpdir (); | |
63 char *temp_filename; | |
64 int len; | |
65 | |
66 len = strlen (base); | |
67 temp_filename = XNEWVEC (char, len + TEMP_FILE_LEN + 1); | |
68 strcpy (temp_filename, base); | |
69 strcpy (temp_filename + len, TEMP_FILE); | |
70 | |
71 if (mktemp (temp_filename) == 0) | |
72 abort (); | |
73 return temp_filename; | |
74 } |