macro: add PA_ROUND_UP/PA_ROUND_DOWN macros

[pulseaudio] / src / pulsecore / memchunk.c

diff --git a/src/pulsecore/memchunk.c b/src/pulsecore/memchunk.c
index e6ad3bf8cfd62167d352e68b31142b39874237e3..0bbf8590b6de79f6b86610ddb0430283bb10ee24 100644 (file)
--- a/src/pulsecore/memchunk.c
+++ b/src/pulsecore/memchunk.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /***
   This file is part of PulseAudio.
 
@@ -49,17 +47,20 @@ pa_memchunk* pa_memchunk_make_writable(pa_memchunk *c, size_t min) {
         pa_memblock_get_length(c->memblock) >= c->index+min)
         return c;
 
-    l = c->length;
-    if (l < min)
-        l = min;
+    l = PA_MAX(c->length, min);
 
     n = pa_memblock_new(pa_memblock_get_pool(c->memblock), l);
-    tdata = pa_memblock_acquire(n);
+
     sdata = pa_memblock_acquire(c->memblock);
+    tdata = pa_memblock_acquire(n);
+
     memcpy(tdata, (uint8_t*) sdata + c->index, c->length);
-    pa_memblock_release(n);
+
     pa_memblock_release(c->memblock);
+    pa_memblock_release(n);
+
     pa_memblock_unref(c->memblock);
+
     c->memblock = n;
     c->index = 0;