[pulseaudio-commits] r1684 - in /branches/lennart/src/pulsecore: core-util.c core-util.h

[svnmailer-noreply at 0pointer.de]

Author: lennart
Date: Wed Aug 22 02:20:13 2007
New Revision: 1684

URL: http://0pointer.de/cgi-bin/viewcvs.cgi?rev=3D1684&root=3Dpulseaudio&vi=
ew=3Drev
Log:
add pa_is_power_of_two() and pa_make_power_of_two() functions

Modified:
    branches/lennart/src/pulsecore/core-util.c
    branches/lennart/src/pulsecore/core-util.h

Modified: branches/lennart/src/pulsecore/core-util.c
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/branches/lennart/src/pulsecore/=
core-util.c?rev=3D1684&root=3Dpulseaudio&r1=3D1683&r2=3D1684&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- branches/lennart/src/pulsecore/core-util.c (original)
+++ branches/lennart/src/pulsecore/core-util.c Wed Aug 22 02:20:13 2007
@@ -1208,3 +1208,21 @@
     =

     return c;
 }
+
+int pa_is_power_of_two(unsigned n) {
+    return !(n & (n - 1));
+}
+
+unsigned pa_make_power_of_two(unsigned n) {
+    unsigned j =3D n;
+
+    if (pa_is_power_of_two(n))
+        return n;
+    =

+    while (j) {
+        j =3D j >> 1;
+        n =3D n | j;
+    }
+
+    return n + 1;
+}

Modified: branches/lennart/src/pulsecore/core-util.h
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/branches/lennart/src/pulsecore/=
core-util.h?rev=3D1684&root=3Dpulseaudio&r1=3D1683&r2=3D1684&view=3Ddiff
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
--- branches/lennart/src/pulsecore/core-util.h (original)
+++ branches/lennart/src/pulsecore/core-util.h Wed Aug 22 02:20:13 2007
@@ -97,4 +97,7 @@
 =

 char *pa_truncate_utf8(char *c, size_t l);
 =

+int pa_is_power_of_two(unsigned n);
+unsigned pa_make_power_of_two(unsigned n);
+
 #endif