Thanks. Looks good to me, pushed now.

On 2015-08-12 11:37, Tanu Kaskinen wrote:
---
  src/pulsecore/core-util.c | 21 +++++++++++++--------
  1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/src/pulsecore/core-util.c b/src/pulsecore/core-util.c
index edb9e38..e09e2d2 100644
--- a/src/pulsecore/core-util.c
+++ b/src/pulsecore/core-util.c
@@ -3057,14 +3057,19 @@ char *pa_machine_id(void) {
      char *h;

      /* The returned value is supposed be some kind of ascii identifier
-     * that is unique and stable across reboots. */
-
-    /* First we try ${sysconfdir}/etc/machine-id, with fallbacks to
-     * ${localstatedir}/lib/dbus/machine-id, /etc/machine-id and
-     * /var/lib/dbus/machine-id, which are the best option we
-     * have, since they fit perfectly our needs and are not as volatile
-     * as the hostname which might be set from dhcp. */
-
+     * that is unique and stable across reboots. First we try if the machine-id
+     * file is available. If it's available, that's great, since it provides an
+     * identifier that suits our needs perfectly. If it's not, we fall back to
+     * the hostname, which is not as good, since it can change over time. */
+
+    /* We search for the machine-id file from four locations. The first two are
+     * relative to the configured installation prefix, but if we're installed
+     * under /usr/local, for example, it's likely that the machine-id won't be
+     * found there, so we also try the hardcoded paths.
+     *
+     * PA_MACHINE_ID or PA_MACHINE_ID_FALLBACK might exist on a Windows system,
+     * but the last two hardcoded paths certainly don't, hence we don't try
+     * them on Windows. */
      if ((f = pa_fopen_cloexec(PA_MACHINE_ID, "r")) ||
          (f = pa_fopen_cloexec(PA_MACHINE_ID_FALLBACK, "r")) ||
  #if !defined(OS_IS_WIN32)


--
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic
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