X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/1ce05125571e9dbbd16e1de0f8924fe45bef2bf0..adcd61f7fcd5a24e65b2ec087bfae2356805993b:/qemu-common.h

diff --git a/qemu-common.h b/qemu-common.h
index 9b997f8838..4647dd96e9 100644
--- a/qemu-common.h
+++ b/qemu-common.h
@@ -65,6 +65,15 @@ typedef struct Monitor Monitor;
 #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
+#elif UINTPTR_MAX == UINT64_MAX
+# define HOST_LONG_BITS 64
+#else
+# error Unknown pointer size
+#endif
+
 #ifndef CONFIG_IOVEC
 #define CONFIG_IOVEC
 struct iovec {
@@ -84,9 +93,13 @@ typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
 
 #ifdef _WIN32
 #define fsync _commit
-#define lseek _lseeki64
+#if !defined(lseek)
+# define lseek _lseeki64
+#endif
 int qemu_ftruncate64(int, int64_t);
-#define ftruncate qemu_ftruncate64
+#if !defined(ftruncate)
+# define ftruncate qemu_ftruncate64
+#endif
 
 static inline char *realpath(const char *path, char *resolved_path)
 {
@@ -177,7 +190,6 @@ ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags)
     QEMU_WARN_UNUSED_RESULT;
 ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
     QEMU_WARN_UNUSED_RESULT;
-void qemu_set_cloexec(int fd);
 
 #ifndef _WIN32
 int qemu_eventfd(int pipefd[2]);
@@ -223,7 +235,6 @@ typedef struct MACAddr MACAddr;
 typedef struct VLANState VLANState;
 typedef struct VLANClientState VLANClientState;
 typedef struct i2c_bus i2c_bus;
-typedef struct i2c_slave i2c_slave;
 typedef struct ISABus ISABus;
 typedef struct SMBusDevice SMBusDevice;
 typedef struct PCIHostState PCIHostState;
@@ -335,6 +346,8 @@ void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
 void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
                             size_t skip);
 
+bool buffer_is_zero(const void *buf, size_t len);
+
 void qemu_progress_init(int enabled, float min_skip);
 void qemu_progress_end(void);
 void qemu_progress_print(float delta, int max);