util: conditionalize FD stream to exclude WIN32

Almost none of the virFDStream code will actually work
on WIN32 builds, nor is it used except for in the
virtualbox driver for screenshots. It is simpler to
wrap it all in a '#ifndef WIN32'.
Reviewed-by: NPavel Hrdina <phrdina@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/util/virfdstream.c

@@ -25,8 +25,8 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
-#include <sys/wait.h>
 #ifndef WIN32
+# include <sys/wait.h>
 # include <termios.h>
 #endif
 
@@ -47,6 +47,7 @@
 
 VIR_LOG_INIT("fdstream");
 
+#ifndef WIN32
 typedef enum {
     VIR_FDSTREAM_MSG_TYPE_DATA,
     VIR_FDSTREAM_MSG_TYPE_HOLE,
@@ -1159,7 +1160,6 @@ int virFDStreamOpen(virStreamPtr st,
 }
 
 
-#ifndef WIN32
 int virFDStreamConnectUNIX(virStreamPtr st,
                            const char *path,
                            bool abstract)
@@ -1209,16 +1209,7 @@ int virFDStreamConnectUNIX(virStreamPtr st,
     VIR_FORCE_CLOSE(fd);
     return -1;
 }
-#else
-int virFDStreamConnectUNIX(virStreamPtr st G_GNUC_UNUSED,
-                           const char *path G_GNUC_UNUSED,
-                           bool abstract G_GNUC_UNUSED)
-{
-    virReportSystemError(ENOSYS, "%s",
-                         _("UNIX domain sockets are not supported on this platform"));
-    return -1;
-}
-#endif
+
 
 static int
 virFDStreamOpenFileInternal(virStreamPtr st,
@@ -1240,9 +1231,6 @@ virFDStreamOpenFileInternal(virStreamPtr st,
               st, path, oflags, offset, length, mode);
 
     oflags |= O_NOCTTY;
-#ifdef O_BINARY
-    oflags |= O_BINARY;
-#endif
 
     if (oflags & O_CREAT)
         fd = open(path, oflags, mode);
@@ -1362,7 +1350,6 @@ int virFDStreamCreateFile(virStreamPtr st,
                                        false, false);
 }
 
-#ifndef WIN32
 int virFDStreamOpenPTY(virStreamPtr st,
                        const char *path,
                        unsigned long long offset,
@@ -1402,19 +1389,6 @@ int virFDStreamOpenPTY(virStreamPtr st,
     virFDStreamClose(st);
     return -1;
 }
-#else /* WIN32 */
-int virFDStreamOpenPTY(virStreamPtr st,
-                       const char *path,
-                       unsigned long long offset,
-                       unsigned long long length,
-                       int oflags)
-{
-    return virFDStreamOpenFileInternal(st, path,
-                                       offset, length,
-                                       oflags | O_CREAT, 0,
-                                       false, false);
-}
-#endif /* WIN32 */
 
 int virFDStreamOpenBlockDevice(virStreamPtr st,
                                const char *path,
@@ -1447,3 +1421,93 @@ int virFDStreamSetInternalCloseCb(virStreamPtr st,
     virObjectUnlock(fdst);
     return 0;
 }
+
+#else /* WIN32 */
+
+int
+virFDStreamOpen(virStreamPtr st G_GNUC_UNUSED,
+                int fd G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+
+int
+virFDStreamConnectUNIX(virStreamPtr st G_GNUC_UNUSED,
+                       const char *path G_GNUC_UNUSED,
+                       bool abstract G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+
+int
+virFDStreamOpenFile(virStreamPtr st G_GNUC_UNUSED,
+                    const char *path G_GNUC_UNUSED,
+                    unsigned long long offset G_GNUC_UNUSED,
+                    unsigned long long length G_GNUC_UNUSED,
+                    int oflags G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+
+int
+virFDStreamCreateFile(virStreamPtr st G_GNUC_UNUSED,
+                      const char *path G_GNUC_UNUSED,
+                      unsigned long long offset G_GNUC_UNUSED,
+                      unsigned long long length G_GNUC_UNUSED,
+                      int oflags G_GNUC_UNUSED,
+                      mode_t mode G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+
+int
+virFDStreamOpenPTY(virStreamPtr st G_GNUC_UNUSED,
+                   const char *path G_GNUC_UNUSED,
+                   unsigned long long offset G_GNUC_UNUSED,
+                   unsigned long long length G_GNUC_UNUSED,
+                   int oflags G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+
+int
+virFDStreamOpenBlockDevice(virStreamPtr st G_GNUC_UNUSED,
+                           const char *path G_GNUC_UNUSED,
+                           unsigned long long offset G_GNUC_UNUSED,
+                           unsigned long long length G_GNUC_UNUSED,
+                           bool sparse G_GNUC_UNUSED,
+                           int oflags G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+
+int
+virFDStreamSetInternalCloseCb(virStreamPtr st G_GNUC_UNUSED,
+                              virFDStreamInternalCloseCb cb G_GNUC_UNUSED,
+                              void *opaque G_GNUC_UNUSED,
+                              virFDStreamInternalCloseCbFreeOpaque fcb G_GNUC_UNUSED)
+{
+    virReportSystemError(ENOSYS, "%s",
+                         _("File streams are not supported on this platform"));
+    return -1;
+}
+
+#endif /* WIN32 */