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      1 /* mktemp.c - Create a temporary file or directory.
      2  *
      3  * Copyright 2012 Elie De Brauwer <eliedebrauwer (at) gmail.com>
      4  *
      5  * http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/mktemp.html
      6 
      7 USE_MKTEMP(NEWTOY(mktemp, ">1qd(directory)p(tmpdir):", TOYFLAG_BIN))
      8 
      9 config MKTEMP
     10   bool "mktemp"
     11   default y
     12   help
     13     usage: mktemp [-dq] [-p DIR] [TEMPLATE]
     14 
     15     Safely create a new file "DIR/TEMPLATE" and print its name.
     16 
     17     -d	Create directory instead of file (--directory)
     18     -p	Put new file in DIR (--tmpdir)
     19     -q	Quiet, no error messages
     20 
     21     Each X in TEMPLATE is replaced with a random printable character. The
     22     default TEMPLATE is tmp.XXXXXX, and the default DIR is $TMPDIR if set,
     23     else "/tmp".
     24 */
     25 
     26 #define FOR_mktemp
     27 #include "toys.h"
     28 
     29 GLOBALS(
     30   char *tmpdir;
     31 )
     32 
     33 void mktemp_main(void)
     34 {
     35   int d_flag = toys.optflags & FLAG_d;
     36   char *template = *toys.optargs;
     37 
     38   if (!template) template = "tmp.XXXXXX";
     39 
     40   if (!TT.tmpdir) TT.tmpdir = getenv("TMPDIR");
     41   if (!TT.tmpdir || !*TT.tmpdir) TT.tmpdir = "/tmp";
     42 
     43   template = strchr(template, '/') ? xstrdup(template)
     44              : xmprintf("%s/%s", TT.tmpdir, template);
     45 
     46   if (d_flag ? !mkdtemp(template) : mkstemp(template) == -1) {
     47     if (toys.optflags & FLAG_q) toys.exitval = 1;
     48     else perror_exit("Failed to create %s %s/%s",
     49                      d_flag ? "directory" : "file", TT.tmpdir, template);
     50   } else xputs(template);
     51 
     52   if (CFG_TOYBOX_FREE) free(template);
     53 }
     54