adapt hbtree to windows

Change-Id: I1aef5540cebd859572fb6640e03442e5c2416ee4
Reviewed-by: Kevin Simons <kevin.b.simons@gmail.com>

2 files changed, 43 insertions, 0 deletions

diff --git a/src/hbtree/hbtree.cpp b/src/hbtree/hbtree.cpp
index 5e006d0..9a4225a 100644
--- a/src/hbtree/hbtree.cpp
+++ b/src/hbtree/hbtree.cpp
@@ -89,6 +89,38 @@
 
 const quint32 HBtreePrivate::PageInfo::INVALID_PAGE = 0xFFFFFFFF;
 
+
+
+#ifdef Q_OS_WIN32
+ssize_t pread(int fd, void *buf, size_t count, off_t offset)
+{
+    lseek(fd, offset, SEEK_SET);
+    return read(fd, buf, count);
+}
+
+ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset)
+{
+    lseek(fd, offset, SEEK_SET);
+    return write(fd, buf, count);
+}
+
+int fsync(int fd)
+{
+    return 0;
+}
+
+#define LOCK_UN 0
+#define LOCK_EX 22
+#define LOCK_NB 23
+
+int flock(int fd, int operation)
+{
+    return 0;
+}
+
+#endif
+
+
 // ######################################################################
 // ### Creation destruction
 // ######################################################################
@@ -324,7 +356,12 @@ bool HBtreePrivate::writeSpec()
     Spec spec;
     spec.version = HBTREE_VERSION;
     spec.keySize = 255;
+#ifndef Q_OS_WIN32
     spec.pageSize = spec_.pageSize ? spec_.pageSize : (sb.st_blksize > HBTREE_DEFAULT_PAGE_SIZE ? sb.st_blksize : HBTREE_DEFAULT_PAGE_SIZE);
+#else
+    spec.pageSize = spec_.pageSize ? spec_.pageSize : HBTREE_DEFAULT_PAGE_SIZE;
+#endif
+
 
     pageBuffer_.fill((char)0, spec.pageSize);
 
diff --git a/src/hbtree/hbtree_p.h b/src/hbtree/hbtree_p.h
index 2e0f2f3..dd9b7ff 100644
--- a/src/hbtree/hbtree_p.h
+++ b/src/hbtree/hbtree_p.h
@@ -53,7 +53,11 @@
 #include <QSharedPointer>
 #include <QStack>
 
+#ifndef Q_OS_WIN32
 #define HBTREE_ATTRIBUTE_PACKED __attribute__((packed))
+#else
+#define HBTREE_ATTRIBUTE_PACKED
+#endif
 
 class HBtreePrivate
 {
@@ -217,7 +221,9 @@ public:
             quint32 size; // size of file at time of commit
             quint32 flags; // If marker has this, it was synced.
         } HBTREE_ATTRIBUTE_PACKED;
+#ifndef Q_OS_WIN32
         Q_STATIC_ASSERT(sizeof(Meta) == 28);
+#endif
         Meta meta;
         QSet<quint32> residueHistory; // history nodes that don't have a home. usable after sync.
         quint32 overflowPage;