X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsd-id128.xml;h=ac2000e275c53253645e45cb19f624437ee569ac;hp=ea4e3a4fdebb39475f3416d07d638e2c03ea08c9;hb=4c42e8e1618e2352cb628d459593233a86202ce6;hpb=40b90434832c373c1394bc502523bee39c279c24

diff --git a/man/sd-id128.xml b/man/sd-id128.xml
index ea4e3a4fd..ac2000e27 100644
--- a/man/sd-id128.xml
+++ b/man/sd-id128.xml
@@ -39,13 +39,14 @@
 
         <refmeta>
                 <refentrytitle>sd-id128</refentrytitle>
-                <manvolnum>7</manvolnum>
+                <manvolnum>3</manvolnum>
         </refmeta>
 
         <refnamediv>
                 <refname>sd-id128</refname>
                 <refname>sd_id128_t</refname>
                 <refname>SD_ID128_MAKE</refname>
+                <refname>SD_ID128_CONST_STR</refname>
                 <refname>SD_ID128_FORMAT_STR</refname>
                 <refname>SD_ID128_FORMAT_VAL</refname>
                 <refname>sd_id128_equal</refname>
@@ -78,8 +79,9 @@
                 </para>
 
                 <para>See
-                <citerefentry><refentrytitle>sd_id128_to_string</refentrytitle><manvolnum>3</manvolnum></citerefentry> and
-                <citerefentry><refentrytitle>sd_id128_randomize</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+                <citerefentry><refentrytitle>sd_id128_to_string</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+                <citerefentry><refentrytitle>sd_id128_randomize</refentrytitle><manvolnum>3</manvolnum></citerefentry> and
+                <citerefentry><refentrytitle>sd_id128_get_machine</refentrytitle><manvolnum>3</manvolnum></citerefentry>
                 for more information about the implemented
                 functions.</para>
 
@@ -103,11 +105,21 @@
                 decode 128 bit IDs:</para>
 
                 <para><function>SD_ID128_MAKE()</function> may be used
-                to write a 128 bit ID in source code. A commonly used
-                idiom is to give 128 bit IDs names using this macro:</para>
+                to denote a constant 128 bit ID in source code. A
+                commonly used idiom is to assign a name to a 128 bit
+                ID using this macro:</para>
 
                 <programlisting>#define SD_MESSAGE_COREDUMP SD_ID128_MAKE(fc,2e,22,bc,6e,e6,47,b6,b9,07,29,ab,34,a2,50,b1)</programlisting>
 
+                <para><function>SD_ID128_CONST_STR()</function> may be
+                used to convert constant 128bit IDs into constant
+                strings for output. The following example code will
+                output the string
+                "fc2e22bc6ee647b6b90729ab34a250b1":</para>
+                <programlisting>int main(int argc, char *argv[]) {
+        puts(SD_ID128_CONST_STR(SD_MESSAGE_COREDUMP));
+}</programlisting>
+
                 <para><function>SD_ID128_FORMAT_STR</function> and
                 <function>SD_ID128_FORMAT_VAL()</function> may be used
                 to format a 128 bit ID in a
@@ -157,6 +169,7 @@
                         <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>sd_id128_to_string</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>sd_id128_randomize</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
+                        <citerefentry><refentrytitle>sd_id128_get_machine</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>printf</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
                         <citerefentry><refentrytitle>sd-journal</refentrytitle><manvolnum>7</manvolnum></citerefentry>,