[Qemu-devel] [RFC 04/18] move I/O-related definitions from qemu-common.h to a new header (qemu-stdio.h)

[Eduardo Habkost <ehabkost@redhat.com>]

This will help reduce the qemu-common.h dependency hell.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 qemu-common.h | 57 ++--------------------------------------------
 qemu-stdio.h  | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+), 55 deletions(-)
 create mode 100644 qemu-stdio.h

diff --git a/qemu-common.h b/qemu-common.h
index 15d9e4e..ed7ee81 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -6,6 +6,8 @@
 #include "compiler.h"
 #include "config-host.h"
 
+#include "qemu-stdio.h"
+
 #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
 #define WORDS_ALIGNED
 #endif
@@ -48,28 +50,6 @@ typedef struct MigrationParams MigrationParams;
 #include "qemu-os-posix.h"
 #endif
 
-#ifndef O_LARGEFILE
-#define O_LARGEFILE 0
-#endif
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-#ifndef MAP_ANONYMOUS
-#define MAP_ANONYMOUS MAP_ANON
-#endif
-#ifndef ENOMEDIUM
-#define ENOMEDIUM ENODEV
-#endif
-#if !defined(ENOTSUP)
-#define ENOTSUP 4096
-#endif
-#if !defined(ECANCELED)
-#define ECANCELED 4097
-#endif
-#ifndef TIME_MAX
-#define TIME_MAX LONG_MAX
-#endif
-
 /* HOST_LONG_BITS is the size of a native pointer in bits. */
 #if UINTPTR_MAX == UINT32_MAX
 # define HOST_LONG_BITS 32
@@ -79,39 +59,6 @@ typedef struct MigrationParams MigrationParams;
 # error Unknown pointer size
 #endif
 
-#ifndef CONFIG_IOVEC
-#define CONFIG_IOVEC
-struct iovec {
-    void *iov_base;
-    size_t iov_len;
-};
-/*
- * Use the same value as Linux for now.
- */
-#define IOV_MAX		1024
-#else
-#include <sys/uio.h>
-#endif
-
-typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
-
-#ifdef _WIN32
-#define fsync _commit
-#if !defined(lseek)
-# define lseek _lseeki64
-#endif
-int qemu_ftruncate64(int, int64_t);
-#if !defined(ftruncate)
-# define ftruncate qemu_ftruncate64
-#endif
-
-static inline char *realpath(const char *path, char *resolved_path)
-{
-    _fullpath(resolved_path, path, _MAX_PATH);
-    return resolved_path;
-}
-#endif
 
 /* icount */
 void configure_icount(const char *option);
diff --git a/qemu-stdio.h b/qemu-stdio.h
new file mode 100644
index 0000000..73d9f91
--- /dev/null
+++ b/qemu-stdio.h
@@ -0,0 +1,73 @@
+/* Some basic definitions related to stdio.h or other I/O interfaces
+ */
+#ifndef QEMU_STDIO_H
+#define QEMU_STDIO_H
+
+#include "compiler.h"
+#include "config-host.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+
+#ifndef O_LARGEFILE
+#define O_LARGEFILE 0
+#endif
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+#ifndef MAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+#ifndef ENOMEDIUM
+#define ENOMEDIUM ENODEV
+#endif
+#if !defined(ENOTSUP)
+#define ENOTSUP 4096
+#endif
+#if !defined(ECANCELED)
+#define ECANCELED 4097
+#endif
+#ifndef TIME_MAX
+#define TIME_MAX LONG_MAX
+#endif
+
+#ifndef CONFIG_IOVEC
+#define CONFIG_IOVEC
+struct iovec {
+    void *iov_base;
+    size_t iov_len;
+};
+/*
+ * Use the same value as Linux for now.
+ */
+#define IOV_MAX     1024
+#else
+#include <sys/uio.h>
+#endif
+
+typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
+    GCC_FMT_ATTR(2, 3);
+
+#ifdef _WIN32
+#define fsync _commit
+#if !defined(lseek)
+# define lseek _lseeki64
+#endif
+int qemu_ftruncate64(int, int64_t);
+#if !defined(ftruncate)
+# define ftruncate qemu_ftruncate64
+#endif
+
+static inline char *realpath(const char *path, char *resolved_path)
+{
+    _fullpath(resolved_path, path, _MAX_PATH);
+    return resolved_path;
+}
+#endif
+
+#endif /* QEMU_STDIO_H */
-- 
1.7.11.4