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comparison toys/mktemp.c @ 575:953c22158c2e

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Addition of mktemp
author Elie De Brauwer <eliedebrauwer@gmail.com>
date Tue, 01 May 2012 11:45:45 +0200
parents
children 0353ed084559
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574:d8effa95a5f0 575:953c22158c2e
1 /* vi: set sw=4 ts=4:
2 *
3 * mktemp.c - Create a temporary file or directory.
4 *
5 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
6 *
7 * Not in SUSv4.
8
9 USE_MKTEMP(NEWTOY(mktemp, ">1(directory)d(tmpdir)p:", TOYFLAG_BIN))
10
11 config MKTEMP
12 bool "mktemp"
13 default y
14 help
15 usage: mktemp [OPTION] [TEMPLATE]
16
17 Safely create a temporary file or directory and print its name.
18 TEMPLATE should end in 6 consecutive X's, the default
19 template is tmp.XXXXXX and the default directory is /tmp/.
20 -d, --directory Create a directory, instead of a file
21 -p DIR, --tmpdir=DIR Use DIR as a base path
22
23 */
24
25 #include "toys.h"
26
27 DEFINE_GLOBALS(
28 char * tmpdir;
29 )
30 #define TT this.mktemp
31
32 void mktemp_main(void)
33 {
34 int p_flag = (toys.optflags & 1);
35 int d_flag = (toys.optflags & 2) >> 1;
36 char * result;
37
38 int size = snprintf(toybuf, sizeof(toybuf)-1, "%s/%s",
39 (p_flag && TT.tmpdir)?TT.tmpdir:"/tmp/",
40 (toys.optargs[0])?toys.optargs[0]:"tmp.XXXXXX");
41 toybuf[size] = 0;
42
43 if (d_flag) {
44 if (mkdtemp(toybuf) == NULL)
45 perror_exit("Failed to create temporary directory");
46 } else {
47 if (mkstemp(toybuf) == -1)
48 perror_exit("Failed to create temporary file");
49 }
50
51 result = realpath(toybuf, NULL);
52 xputs(result);
53
54 if (CFG_TOYBOX_FREE)
55 free(result);
56 }