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Fix to flush and sync the temp and new files

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This commit is contained in:
Ilia Ross
2025-03-02 23:45:20 +02:00
parent 554cf0e8af
commit 707cd42bb5
1 changed files with 13 additions and 0 deletions
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13
web-lib-funcs.pl
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@@ -15,6 +15,7 @@ Example code:
##use warnings;
use Socket;
use POSIX;
use IO::Handle;
use feature 'state';
eval "use Socket6";
$ipv6_module_error = $@;
@@ -10790,10 +10791,22 @@ elsif (defined($main::open_tempfiles{$_[0]})) {
if ($noerror) { return 0; }
else { &error("Temporary file @{[html_escape($main::open_tempfiles{$_[0]})]} is empty!"); }
}
# Flush and sync the temp file before renaming
if (open(my $sync_fh, ">>", $main::open_tempfiles{$_[0]})) {
$sync_fh->flush();
$sync_fh->sync();
close($sync_fh);
}
if (!rename($main::open_tempfiles{$_[0]}, $_[0])) {
if ($noerror) { return 0; }
else { &error("Failed to replace @{[html_escape($_[0])]} with @{[html_escape($main::open_tempfiles{$_[0]})]} : $!"); }
}
# Flush and sync the new file after renaming
if (open(my $sync_fh, ">>", $_[0])) {
$sync_fh->flush();
$sync_fh->sync();
close($sync_fh);
}
if (@st) {
# Set original permissions and ownership
chmod($st[2], $_[0]);