From f083830b8de106ed51d39242008215e9ea2179b2 Mon Sep 17 00:00:00 2001
From: Anton Kudryavtsev <a.kudryavtsev@netris.ru>
Date: Wed, 13 Apr 2016 14:45:11 +0300
Subject: CoreLib: use const (and const APIs) more

For CoW types const methods will be called.

Mark store_persistent_indexes() as const,
because this method does not modify the object.

Change-Id: Ic867913b4fb5aaebfbaaffe1d3be45cf7b646403
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
---
 src/corelib/tools/qringbuffer.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'src/corelib/tools/qringbuffer.cpp')

diff --git a/src/corelib/tools/qringbuffer.cpp b/src/corelib/tools/qringbuffer.cpp
index db2004dfd9..4a2dfdec2b 100644
--- a/src/corelib/tools/qringbuffer.cpp
+++ b/src/corelib/tools/qringbuffer.cpp
@@ -74,14 +74,14 @@ void QRingBuffer::free(qint64 bytes)
     Q_ASSERT(bytes <= bufferSize);
 
     while (bytes > 0) {
-        const qint64 blockSize = buffers.first().size() - head;
+        const qint64 blockSize = buffers.constFirst().size() - head;
 
         if (tailBuffer == 0 || blockSize > bytes) {
             // keep a single block around if it does not exceed
             // the basic block size, to avoid repeated allocations
             // between uses of the buffer
             if (bufferSize <= bytes) {
-                if (buffers.first().size() <= basicBlockSize) {
+                if (buffers.constFirst().size() <= basicBlockSize) {
                     bufferSize = 0;
                     head = tail = 0;
                 } else {
@@ -114,8 +114,8 @@ char *QRingBuffer::reserve(qint64 bytes)
     } else {
         const qint64 newSize = bytes + tail;
         // if need buffer reallocation
-        if (newSize > buffers.last().size()) {
-            if (newSize > buffers.last().capacity() && (tail >= basicBlockSize
+        if (newSize > buffers.constLast().size()) {
+            if (newSize > buffers.constLast().capacity() && (tail >= basicBlockSize
                     || newSize >= MaxByteArraySize)) {
                 // shrink this buffer to its current size
                 buffers.last().resize(tail);
@@ -180,7 +180,7 @@ void QRingBuffer::chop(qint64 bytes)
             // the basic block size, to avoid repeated allocations
             // between uses of the buffer
             if (bufferSize <= bytes) {
-                if (buffers.first().size() <= basicBlockSize) {
+                if (buffers.constFirst().size() <= basicBlockSize) {
                     bufferSize = 0;
                     head = tail = 0;
                 } else {
@@ -198,7 +198,7 @@ void QRingBuffer::chop(qint64 bytes)
         bytes -= tail;
         buffers.removeLast();
         --tailBuffer;
-        tail = buffers.last().size();
+        tail = buffers.constLast().size();
     }
 }
 
-- 
cgit v1.2.3