Page MenuHomeFreeBSD
Differential D21269

ping6: Initialize ttl variable
ClosedPublic
Actions

Authored by jansucan on Aug 15 2019, 12:48 PM.
Tags
None
Referenced Files
F115000595: D21269.id60823.diff
Sat, Apr 19, 11:46 AM
Unknown Object (File)
Mar 9 2025, 12:39 PM
Unknown Object (File)
Feb 24 2025, 5:56 AM
Unknown Object (File)
Feb 1 2025, 12:01 PM
Unknown Object (File)
Feb 1 2025, 11:50 AM
Unknown Object (File)
Feb 1 2025, 9:07 AM
Unknown Object (File)
Jan 23 2025, 6:44 PM
Unknown Object (File)
Jan 22 2025, 5:20 PM
View All 56 Files
Subscribers
imp

Details

Reviewers
asomers
Commits
rS351080: ping6: quiet an undefined variable warning
Summary

Initialize ttl variable

This fixes warning that the variable may be used uninitialized in
pr_nodeaddr() when compiled with GCC 4.2 and WARNS=6.

Submitted by: Ján Sučan <sucanjan@gmail.com>
Sponsored by: Google, inc. (Google Summer of Code 2019)

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Revision Contents
Changeset List

PathSize
head/
sbin/
ping6/
2 lines

Diff 60839

View Options

head/sbin/ping6/ping6.c

Show First 20 Lines • Show All 1,648 Lines • ▼ Show 20 Lines set.</para>
</important> </important>
<sect3 xml:id="makefile-master_sites-shorthand"> <sect3 xml:id="makefile-master_sites-shorthand">
<title>Using <title>Using
<varname>MASTER_SITE_<replaceable>*</replaceable></varname> <varname>MASTER_SITE_<replaceable>*</replaceable></varname>
Variables</title> Variables</title>
<para>Shortcut abbreviations are available for popular <para>Shortcut abbreviations are available for popular
archives like SourceForge (<literal>SF</literal>), GNU archives like SourceForge (<literal>SOURCEFORGE</literal>),
(<literal>GNU</literal>), or Perl CPAN GNU (<literal>GNU</literal>), or Perl CPAN
(<literal>CPAN</literal>). <varname>MASTER_SITES</varname> (<literal>PERL_CPAN</literal>).
can use them directly:</para> <varname>MASTER_SITES</varname> can use them
directly:</para>
<programlisting>MASTER_SITES= GNU/make</programlisting> <programlisting>MASTER_SITES= GNU/make</programlisting>
<para>The older expanded format still works, but all ports <para>The older expanded format still works, but all ports
should be converted to the compact format. The expanded have been converted to the compact format. The expanded
format looks like this:</para> format looks like this:</para>
<programlisting>MASTER_SITES= ${MASTER_SITE_GNU} <programlisting>MASTER_SITES= ${MASTER_SITE_GNU}
MASTER_SITE_SUBDIR= make</programlisting> MASTER_SITE_SUBDIR= make</programlisting>
<para>These values and variables are defined in <link <para>These values and variables are defined in <link
xlink:href="https://svnweb.freebsd.org/ports/head/Mk/bsd.sites.mk?view=markup"><filename>Mk/bsd.sites.mk</filename></link>. xlink:href="https://svnweb.freebsd.org/ports/head/Mk/bsd.sites.mk?view=markup"><filename>Mk/bsd.sites.mk</filename></link>.
New entries are added often, so make sure to check the New entries are added often, so make sure to check the
latest version of this file before submitting a port.</para> latest version of this file before submitting a port.</para>
<tip> <tip>
<para>For any <para>For any
<varname>MASTER_SITE_<replaceable>FOO</replaceable></varname> <varname>MASTER_SITE_<replaceable>FOO</replaceable></varname>
variable, the shorthand variable, the shorthand
<literal><replaceable>FOO</replaceable></literal> can be <literal><replaceable>FOO</replaceable></literal> can be
used. For example, use:</para> used. For example, use:</para>
<programlisting>MASTER_SITES= <replaceable>FOO</replaceable></programlisting> <programlisting>MASTER_SITES= <replaceable>FOO</replaceable></programlisting>
<para>If <varname>MASTER_SITE_SUBDIR</varname> is needed, <para>If <varname>MASTER_SITE_SUBDIR</varname> is needed,
use this:</para> use this:</para>
<programlisting>MASTER_SITES= <replaceable>FOO</replaceable>/<replaceable>bar</replaceable></programlisting> <programlisting>MASTER_SITES= <replaceable>FOO</replaceable>/<replaceable>bar</replaceable></programlisting>
</tip> </tip>
<note>
<para>Some
<varname>MASTER_SITE_<replaceable>*</replaceable></varname>
names are quite long, and for ease of use, shortcuts have
been defined:</para>
<table frame="none" xml:id="makefile-master_sites-shortcut">
<title>Shortcuts for
<varname>MASTER_SITE_<replaceable>*</replaceable></varname>
Macros</title>
<tgroup cols="2">
<thead>
<row>
<entry>Macro</entry>
<entry>Shortcut</entry>
</row>
</thead>
<tbody>
<row>
<entry><varname>PERL_CPAN</varname></entry>
<entry><varname>CPAN</varname></entry>
</row>
<row>
<entry><varname>GITHUB</varname></entry>
<entry><varname>GH</varname></entry>
</row>
<row>
<entry><varname>GITHUB_CLOUD</varname></entry>
<entry><varname>GHC</varname></entry>
</row>
<row>
<entry><varname>LIBREOFFICE_DEV</varname></entry>
<entry><varname>LODEV</varname></entry>
</row>
<row>
<entry><varname>NETLIB</varname></entry>
<entry><varname>NL</varname></entry>
</row>
<row>
<entry><varname>RUBYGEMS</varname></entry>
<entry><varname>RG</varname></entry>
</row>
<row>
<entry><varname>SOURCEFORGE</varname></entry>
<entry><varname>SF</varname></entry>
</row>
<row>
<entry><varname>SOURCEFORGE_JP</varname></entry>
<entry><varname>SFJP</varname></entry>
</row>
</tbody>
</tgroup>
</table>
</note>
</sect3> </sect3>
<sect3 xml:id="makefile-master_sites-magic"> <sect3 xml:id="makefile-master_sites-magic">
<title>Magic MASTER_SITES Macros</title> <title>Magic MASTER_SITES Macros</title>
<para>Several <emphasis>magic</emphasis> macros exist for <para>Several <quote>magic</quote> macros exist for
popular sites with a predictable directory structure. For popular sites with a predictable directory structure. For
these, just use the abbreviation and the system will try to these, just use the abbreviation and the system will choose
guess the correct subdirectory automatically. For a port a subdirectory automatically. For a port
named <literal>Stardict</literal>, of version named <literal>Stardict</literal>, of version
<literal>1.2.3</literal>, and hosted on SourceForge, adding <literal>1.2.3</literal>, and hosted on SourceForge, adding
this line:</para> this line:</para>
<programlisting>MASTER_SITES= SF</programlisting> <programlisting>MASTER_SITES= SF</programlisting>
<para>Will infer a subdirectory named <para>infers a subdirectory named
<literal>/project/stardict/stardict/1.2.3</literal>. If the <literal>/project/stardict/stardict/1.2.3</literal>. If the
guess is incorrect, it can be overridden as follows.</para> inferred directory is incorrect, it can be
overridden:</para>
<programlisting>MASTER_SITES= SF/stardict/WyabdcRealPeopleTTS/${PORTVERSION}</programlisting> <programlisting>MASTER_SITES= SF/stardict/WyabdcRealPeopleTTS/${PORTVERSION}</programlisting>
<para>This can also be written as</para> <para>This can also be written as</para>
<programlisting>MASTER_SITES= SF <programlisting>MASTER_SITES= SF
MASTER_SITE_SUBDIR= stardict/WyabdcRealPeopleTTS/${PORTVERSION}</programlisting> MASTER_SITE_SUBDIR= stardict/WyabdcRealPeopleTTS/${PORTVERSION}</programlisting>
<table frame="none" xml:id="makefile-master_sites-popular"> <table frame="none" xml:id="makefile-master_sites-popular">
<title>Popular Magic <varname>MASTER_SITES</varname> <title>Magic <varname>MASTER_SITES</varname>
Macros</title> Macros</title>
<tgroup cols="2"> <tgroup cols="2">
<thead> <thead>
<row> <row>
<entry>Macro</entry> <entry>Macro</entry>
<entry>Assumed subdirectory</entry> <entry>Assumed subdirectory</entry>
</row> </row>
Show All 21 Lines <entry><literal>${PORTNAME:tl}.berlios</literal></entry>
</row> </row>
<row> <row>
<entry><varname>CHEESESHOP</varname></entry> <entry><varname>CHEESESHOP</varname></entry>
<entry><literal>source/${DISTNAME:C/(.).*/\1/}/${DISTNAME:C/(.*)-[0-9].*/\1/}</literal></entry> <entry><literal>source/${DISTNAME:C/(.).*/\1/}/${DISTNAME:C/(.*)-[0-9].*/\1/}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>CPAN</varname></entry>
<entry><literal>${PORTNAME:C/-.*//}</literal></entry>
</row>
<row>
<entry><varname>DEBIAN</varname></entry> <entry><varname>DEBIAN</varname></entry>
<entry><literal>pool/main/${PORTNAME:C/^((lib)?.).*$/\1/}/${PORTNAME}</literal></entry> <entry><literal>pool/main/${PORTNAME:C/^((lib)?.).*$/\1/}/${PORTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>FARSIGHT</varname></entry> <entry><varname>FARSIGHT</varname></entry>
<entry><literal>${PORTNAME}</literal></entry> <entry><literal>${PORTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>FESTIVAL</varname></entry>
<entry><literal>${PORTREVISION}</literal></entry>
</row>
<row>
<entry><varname>GCC</varname></entry> <entry><varname>GCC</varname></entry>
<entry><literal>releases/${DISTNAME}</literal></entry> <entry><literal>releases/${DISTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>GENTOO</varname></entry>
<entry><literal>distfiles</literal></entry>
</row>
<row>
<entry><varname>GIMP</varname></entry>
<entry><literal>${PORTNAME}/${PORTVERSION:R}/</literal></entry>
</row>
<row>
<entry><varname>GH</varname></entry> <entry><varname>GH</varname></entry>
<entry><literal>${GH_ACCOUNT}/${GH_PROJECT}/tar.gz/${GH_TAGNAME}?dummy=/</literal></entry> <entry><literal>${GH_ACCOUNT}/${GH_PROJECT}/tar.gz/${GH_TAGNAME}?dummy=/</literal></entry>
</row> </row>
<row> <row>
<entry><varname>GHC</varname></entry> <entry><varname>GHC</varname></entry>
<entry><literal>${GH_ACCOUNT}/${GH_PROJECT}/</literal></entry> <entry><literal>${GH_ACCOUNT}/${GH_PROJECT}/</literal></entry>
</row> </row>
<row> <row>
<entry><varname>GHL</varname></entry>
<entry><literal>${GH_ACCOUNT}/${GH_PROJECT}/legacy.tar.gz/${GH_TAGNAME}?dummy=/</literal></entry>
</row>
<row>
<entry><varname>GNOME</varname></entry> <entry><varname>GNOME</varname></entry>
<entry><literal>sources/${PORTNAME}/${PORTVERSION:C/^([0-9]+\.[0-9]+).*/\1/}</literal></entry> <entry><literal>sources/${PORTNAME}/${PORTVERSION:C/^([0-9]+\.[0-9]+).*/\1/}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>GIMP</varname></entry> <entry><varname>GNU</varname></entry>
<entry><literal>${PORTNAME}/${PORTVERSION:R}/</literal></entry> <entry><literal>${PORTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>GNU</varname></entry> <entry><varname>GNUPG</varname></entry>
<entry><literal>${PORTNAME}</literal></entry> <entry><literal>${PORTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>GNU_ALPHA</varname></entry> <entry><varname>GNU_ALPHA</varname></entry>
<entry><literal>${PORTNAME}</literal></entry> <entry><literal>${PORTNAME}</literal></entry>
</row> </row>
Show All 18 Lines <entry><literal>${PORTNAME:tl}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>NL</varname></entry> <entry><varname>NL</varname></entry>
<entry><literal>${PORTNAME}</literal></entry> <entry><literal>${PORTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>CPAN</varname></entry> <entry><varname>QT</varname></entry>
<entry><literal>${PORTNAME:C/-.*//}</literal></entry> <entry><literal>archive/qt/${PORTVERSION:R}</literal></entry>
</row>
<row>
<entry><varname>SAMBA</varname></entry>
<entry><literal>${PORTNAME}</literal></entry>
</row> </row>
<row> <row>
<entry><varname>SAVANNAH</varname></entry> <entry><varname>SAVANNAH</varname></entry>
<entry><literal>${PORTNAME:tl}</literal></entry> <entry><literal>${PORTNAME:tl}</literal></entry>
</row> </row>
<row> <row>
▲ Show 20 Lines • Show All 3,082 Lines • Show Last 20 Lines