On Thu, 17 Sep 2020 at 15:56, Ken Brown via Cygwin <> wrote: > #include <stdio.h> #include <stdlib.h> int main () { char *temp_nam; char *p_tmp_nam;
printf ("$TMP is '%s'\n", getenv ("TMP")); printf ("$TMPDIR is '%s'\n", getenv ("TMPDIR")); printf ("$TEMP is '%s'\n", getenv ("TEMP")); printf ("P_tmpdir is '%s'\n", P_tmpdir); p_tmp_nam = tmpnam(0); printf ("tmpnam() is '%s'\n", p_tmp_nam); temp_nam = tempnam(0, 0); printf ("tempnam() is '%s'\n", temp_nam); free(temp_nam); } # start a new shell $ sh $ TMP= TEMP= ./show_tmp $TMP is '' $TMPDIR is '(null)' $TEMP is '' P_tmpdir is '/tmp' tmpnam() is '/tmp/t707.0' tempnam() is '/tmp/ffffd187.2' # start cmd.exe $ /cygdrive/c/windows/system32/cmd.exe Microsoft Windows [Version 10.0.18363.1082] (c) 2019 Microsoft Corporation. All rights reserved. >set TMP= >set TEMP= > show_tmp $TMP is '(null)' $TMPDIR is '(null)' $TEMP is '(null)' P_tmpdir is '/tmp' tmpnam() is '/tmp/t709.0' tempnam() is '/tmp/ffffd189.2' P_tmpdir is defined in <stdio.h> -- Doug Henderson, Calgary, Alberta, Canada - from gmail.com -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple