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Make saveHistory work properly on OS X when HISTFILE is set to /dev/null.

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Per discussion with Martin Atukunda.
This commit is contained in:
Tom Lane 2006-08-27 15:05:20 +00:00
parent 445a61297e
commit 162e8f1fd5
1 changed files with 9 additions and 2 deletions
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11
src/bin/psql/input.c
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@ -3,7 +3,7 @@
* *
* Copyright (c) 2000-2006, PostgreSQL Global Development Group * Copyright (c) 2000-2006, PostgreSQL Global Development Group
* *
* $PostgreSQL: pgsql/src/bin/psql/input.c,v 1.57 2006/07/14 14:52:26 momjian Exp $ * $PostgreSQL: pgsql/src/bin/psql/input.c,v 1.58 2006/08/27 15:05:20 tgl Exp $
*/ */
#include "postgres_fe.h" #include "postgres_fe.h"
@ -340,7 +340,14 @@ bool
saveHistory(char *fname, bool encodeFlag) saveHistory(char *fname, bool encodeFlag)
{ {
#ifdef USE_READLINE #ifdef USE_READLINE
if (useHistory && fname) /*
* Suppressing the write attempt when HISTFILE is set to /dev/null
* may look like a negligible optimization, but it's necessary on e.g.
* Darwin, where write_history will fail because it tries to chmod
* the target file.
*/
if (useHistory && fname &&
strcmp(fname, DEVNULL) != 0)
{ {
if (encodeFlag) if (encodeFlag)
encode_history(); encode_history();