mktemp.c revision 59d85e2bb065a3bdc27868acb7a65f89d872c7fa 
1/* mktemp.c - Create a temporary file or directory.
2 *
3 * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
4 *
5 * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/mktemp.html
6
7USE_MKTEMP(NEWTOY(mktemp, ">1q(directory)d(tmpdir)p:", TOYFLAG_BIN))
8
9config MKTEMP
10  bool "mktemp"
11  default y
12  help
13    usage: mktemp [-dq] [-p DIR] [TEMPLATE]
14
15    Safely create new file and print its name. Default TEMPLATE is
16    /tmp/tmp.XXXXXX and each trailing X is replaced with random char.
17
18    -d, --directory        Create directory instead of file
19    -p DIR, --tmpdir=DIR   Put new file in DIR
20    -q                     Quiet
21*/
22
23#define FOR_mktemp
24#include "toys.h"
25
26GLOBALS(
27  char * tmpdir;
28)
29
30void mktemp_main(void)
31{
32  int  d_flag = toys.optflags & FLAG_d;
33  char *tmp;
34
35  tmp = *toys.optargs;
36
37  if (!tmp) {
38    if (!TT.tmpdir) TT.tmpdir = "/tmp";
39    tmp = "tmp.xxxxxx";
40  }
41  if (TT.tmpdir) tmp = xmprintf("%s/%s", TT.tmpdir ? TT.tmpdir : "/tmp",
42    *toys.optargs ? *toys.optargs : "tmp.XXXXXX");
43
44  if (d_flag ? mkdtemp(tmp) == NULL : mkstemp(tmp) == -1)
45    if (toys.optflags & FLAG_q)
46      perror_exit("Failed to create temporary %s",
47        d_flag ? "directory" : "file");
48
49  xputs(tmp);
50
51  if (CFG_TOYBOX_FREE && TT.tmpdir) free(tmp);
52}
53