lib: Reset libbabeltrace2 to SONANE 0

[babeltrace.git] / include / babeltrace / compat / mman-internal.h

diff --git a/include/babeltrace/compat/mman-internal.h b/include/babeltrace/compat/mman-internal.h
index 6d9fa9260f3ada1bdf0bd33fb3c75bb3e0e40946..9f494526617469f5292a7341ee803a5ab26c9cda 100644 (file)
--- a/include/babeltrace/compat/mman-internal.h
+++ b/include/babeltrace/compat/mman-internal.h
@@ -2,8 +2,6 @@
 #define _BABELTRACE_COMPAT_MMAN_H
 
 /*
- * babeltrace/compat/mman.h
- *
  * Copyright (C) 2015-2016  Michael Jeanson <mjeanson@efficios.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
@@ -25,11 +23,7 @@
  * SOFTWARE.
  */
 
-#ifndef __MINGW32__
-
-#include <sys/mman.h>
-
-#else /* __MINGW32__ */
+#ifdef __MINGW32__
 
 #include <sys/types.h>
 
@@ -47,10 +41,31 @@
 #define MAP_ANON       MAP_ANONYMOUS
 #define MAP_FAILED     ((void *) -1)
 
-void *mmap(void *addr, size_t length, int prot, int flags, int fd,
+/*
+ * Note that some platforms (e.g. Windows) do not allow read-only
+ * mappings to exceed the file's size (even within a page).
+ */
+void *bt_mmap(void *addr, size_t length, int prot, int flags, int fd,
        off_t offset);
-int munmap(void *addr, size_t length);
 
+int bt_munmap(void *addr, size_t length);
+
+#else /* __MINGW32__ */
+
+#include <sys/mman.h>
+
+static inline
+void *bt_mmap(void *addr, size_t length, int prot, int flags, int fd,
+       off_t offset)
+{
+       return (void *) mmap(addr, length, prot, flags, fd, offset);
+}
+
+static inline
+int bt_munmap(void *addr, size_t length)
+{
+       return munmap(addr, length);
+}
 #endif /* __MINGW32__ */
 
 #ifndef MAP_ANONYMOUS