From: Michael R. Hines <mrhines@us.ibm.com>
Date: Wed, 26 Jun 2013 01:35:31 +0000 (-0400)
Subject: rdma: introduce qemu_file_mode_is_not_valid()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bc1256f7f187cc7d491bfe3861249a60873adbbc;p=qemu.git

rdma: introduce qemu_file_mode_is_not_valid()

QEMUFileRDMA also has read and write modes. This function is now
shared to reduce code duplication.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Chegu Vinod <chegu_vinod@hp.com>
Tested-by: Chegu Vinod <chegu_vinod@hp.com>
Tested-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Michael R. Hines <mrhines@us.ibm.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---

diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index 8fab0dd752..dd3fd5155e 100644
--- a/include/migration/qemu-file.h
+++ b/include/migration/qemu-file.h
@@ -80,6 +80,7 @@ void qemu_put_byte(QEMUFile *f, int v);
  * The buffer should be available till it is sent asynchronously.
  */
 void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, int size);
+bool qemu_file_mode_is_not_valid(const char *mode);
 
 static inline void qemu_put_ubyte(QEMUFile *f, unsigned int v)
 {
diff --git a/savevm.c b/savevm.c
index e35c7a4084..67ddf06af0 100644
--- a/savevm.c
+++ b/savevm.c
@@ -449,14 +449,23 @@ static const QEMUFileOps socket_write_ops = {
     .close =      socket_close
 };
 
-QEMUFile *qemu_fopen_socket(int fd, const char *mode)
+bool qemu_file_mode_is_not_valid(const char *mode)
 {
-    QEMUFileSocket *s;
-
     if (mode == NULL ||
         (mode[0] != 'r' && mode[0] != 'w') ||
         mode[1] != 'b' || mode[2] != 0) {
         fprintf(stderr, "qemu_fopen: Argument validity check failed\n");
+        return true;
+    }
+
+    return false;
+}
+
+QEMUFile *qemu_fopen_socket(int fd, const char *mode)
+{
+    QEMUFileSocket *s;
+
+    if (qemu_file_mode_is_not_valid(mode)) {
         return NULL;
     }
 
@@ -475,10 +484,7 @@ QEMUFile *qemu_fopen(const char *filename, const char *mode)
 {
     QEMUFileStdio *s;
 
-    if (mode == NULL ||
-	(mode[0] != 'r' && mode[0] != 'w') ||
-	mode[1] != 'b' || mode[2] != 0) {
-        fprintf(stderr, "qemu_fopen: Argument validity check failed\n");
+    if (qemu_file_mode_is_not_valid(mode)) {
         return NULL;
     }