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Avoiding a pointless lstat() when not writing to a temporary file. 

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5616 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
master
Benno Schulenberg 2016-02-07 13:03:48 +00:00
parent 05334a2b3c
commit 12f27299f1
2 changed files with 4 additions and 9 deletions
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2
ChangeLog
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@ -1,6 +1,8 @@
2016-02-07 Benno Schulenberg <bensberg@justemail.net>
* src/files.c (update_poshistory): Don't put files in the history list
when they have the default cursor position (line 1, column 1).
* src/files.c (write_file): Avoid a pointless lstat() when not writing
to a temp file, and in the bargain elide two variables.
2016-02-06 Benno Schulenberg <bensberg@justemail.net>
* src/files.c (write_file): Remove the --nofollow option that hasn't

11
src/files.c
View File

@ -1760,14 +1760,9 @@ bool write_file(const char *name, FILE *f_open, bool tmp, append_type
/* The result of stat(). TRUE if the file exists, FALSE
* otherwise. If name is a link that points nowhere, realexists
* is FALSE. */
#endif
struct stat st;
/* The status fields filled in by stat(). */
#endif
bool anyexists;
/* The result of lstat(). The same as realexists, unless name
* is a link. */
struct stat lst;
/* The status fields filled in by lstat(). */
char *realname;
/* name after tilde expansion. */
FILE *f = NULL;
@ -1797,10 +1792,8 @@ bool write_file(const char *name, FILE *f_open, bool tmp, append_type
}
#endif
anyexists = (lstat(realname, &lst) != -1);
/* If the temp file exists and isn't already open, give up. */
if (tmp && anyexists && f_open == NULL)
if (tmp && (lstat(realname, &st) != -1) && f_open == NULL)
goto cleanup_and_exit;
#ifndef NANO_TINY