bsd-user: add arm target build

[mirror_qemu.git] / util / fifo8.c

diff --git a/util/fifo8.c b/util/fifo8.c
index 6a43482c9e12ef1564965a1e5bf12d87740aaba1..d4d1c135e03b87b76b8979ce6b4275f926599e8e 100644 (file)
--- a/util/fifo8.c
+++ b/util/fifo8.c
@@ -12,7 +12,8 @@
  * with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "qemu-common.h"
+#include "qemu/osdep.h"
+#include "migration/vmstate.h"
 #include "qemu/fifo8.h"
 
 void fifo8_create(Fifo8 *fifo, uint32_t capacity)
@@ -30,9 +31,7 @@ void fifo8_destroy(Fifo8 *fifo)
 
 void fifo8_push(Fifo8 *fifo, uint8_t data)
 {
-    if (fifo->num == fifo->capacity) {
-        abort();
-    }
+    assert(fifo->num < fifo->capacity);
     fifo->data[(fifo->head + fifo->num) % fifo->capacity] = data;
     fifo->num++;
 }
@@ -41,9 +40,7 @@ void fifo8_push_all(Fifo8 *fifo, const uint8_t *data, uint32_t num)
 {
     uint32_t start, avail;
 
-    if (fifo->num + num > fifo->capacity) {
-        abort();
-    }
+    assert(fifo->num + num <= fifo->capacity);
 
     start = (fifo->head + fifo->num) % fifo->capacity;
 
@@ -62,9 +59,7 @@ uint8_t fifo8_pop(Fifo8 *fifo)
 {
     uint8_t ret;
 
-    if (fifo->num == 0) {
-        abort();
-    }
+    assert(fifo->num > 0);
     ret = fifo->data[fifo->head++];
     fifo->head %= fifo->capacity;
     fifo->num--;
@@ -75,9 +70,7 @@ const uint8_t *fifo8_pop_buf(Fifo8 *fifo, uint32_t max, uint32_t *num)
 {
     uint8_t *ret;
 
-    if (max == 0 || max > fifo->num) {
-        abort();
-    }
+    assert(max > 0 && max <= fifo->num);
     *num = MIN(fifo->capacity - fifo->head, max);
     ret = &fifo->data[fifo->head];
     fifo->head += *num;
@@ -116,9 +109,8 @@ const VMStateDescription vmstate_fifo8 = {
     .name = "Fifo8",
     .version_id = 1,
     .minimum_version_id = 1,
-    .minimum_version_id_old = 1,
-    .fields      = (VMStateField[]) {
-        VMSTATE_VBUFFER_UINT32(data, Fifo8, 1, NULL, 0, capacity),
+    .fields = (VMStateField[]) {
+        VMSTATE_VBUFFER_UINT32(data, Fifo8, 1, NULL, capacity),
         VMSTATE_UINT32(head, Fifo8),
         VMSTATE_UINT32(num, Fifo8),
         VMSTATE_END_OF_LIST()