diff options
| author | Jarkko Hietaniemi <jhi@iki.fi> | 2006-07-15 16:14:32 +0300 |
|---|---|---|
| committer | H.Merijn Brand <h.m.brand@xs4all.nl> | 2006-07-15 11:53:36 +0000 |
| commit | d130778686fc2c04eb7d731512df9e71304d5573 (patch) | |
| tree | 74953202209cd3371cc54464d6300b2dea41d77a /pod/perltodo.pod | |
| parent | 59bea8cf0bba843bea2b2a6c959c3fd1cf5e3075 (diff) | |
| download | perl-d130778686fc2c04eb7d731512df9e71304d5573.tar.gz | |
various safety/portability tweaks
Message-ID: <44B8C008.4030300@iki.fi>
p4raw-id: //depot/perl@28578
Diffstat (limited to 'pod/perltodo.pod')
| -rw-r--r-- | pod/perltodo.pod | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/pod/perltodo.pod b/pod/perltodo.pod index a675b7a77e..6bf9d1f4cb 100644 --- a/pod/perltodo.pod +++ b/pod/perltodo.pod @@ -163,11 +163,6 @@ when is duplicated in F<makedef.pl>. Writing things twice is bad, m'kay. It would be good to teach C<embed.pl> to understand the conditional compilation, and hence remove the duplication, and the mistakes it has caused. - - - - - =head1 Tasks that need a little sysadmin-type knowledge Or if you prefer, tasks that you would learn from, and broaden your skills @@ -308,10 +303,10 @@ arranges for building C<miniperl> for TARGET machine, so this C<miniperl> is assumed then to be copied to TARGET machine and used as a replacement of full C<perl> executable. -This should be done litle differently. Namely C<miniperl> should be built for +This could be done little differently. Namely C<miniperl> should be built for HOST and then full C<perl> with extensions should be compiled for TARGET. - - +This, however, might require extra trickery for %Config: we have one config +first for HOST and then another for TARGET. =head1 Tasks that need a little C knowledge @@ -493,9 +488,16 @@ system() accepts a LIST syntax (and a PROGRAM LIST syntax) to avoid running a shell. readpipe() (the function behind qx//) could be similarly extended. +=head2 strcat(), strcpy(), strncat(), strncpy(), sprintf(), vsprintf() +Maybe create a utility that checks after each libperl.a creation that +none of the above (nor sprintf(), vsprintf(), or *SHUDDER* gets()) +ever creep back to libperl.a. + nm libperl.a | ./miniperl -alne '$o = $F[0] if /:$/; print "$o $F[1]" if $F[0] eq "U" && $F[1] =~ /^(?:strn?c(?:at|py)|v?sprintf|gets)$/' +Note, of course, that this will only tell whether B<your> platform +is using those naughty interfaces. =head1 Tasks that need a knowledge of the interpreter |