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[Qemu-devel] [PATCH v10 05/14, resend] rdma: introduce qemu_file_mode_is


From: mrhines
Subject: [Qemu-devel] [PATCH v10 05/14, resend] rdma: introduce qemu_file_mode_is_not_valid()
Date: Mon, 24 Jun 2013 09:46:21 -0400

From: "Michael R. Hines" <address@hidden>

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

Reviewed-by: Paolo Bonzini <address@hidden>
Reviewed-by: Chegu Vinod <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Tested-by: Chegu Vinod <address@hidden>
Tested-by: Michael R. Hines <address@hidden>
Signed-off-by: Michael R. Hines <address@hidden>
---
 include/migration/qemu-file.h |    1 +
 savevm.c                      |   20 +++++++++++++-------
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/include/migration/qemu-file.h b/include/migration/qemu-file.h
index 8fab0dd..dd3fd51 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 2122bf0..1de6728 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 = g_malloc0(sizeof(QEMUFileSocket));
-
     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 = g_malloc0(sizeof(QEMUFileSocket));
+
+    if (qemu_file_mode_is_not_valid(mode)) {
         return NULL;
     }
 
@@ -474,10 +483,7 @@ 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;
     }
 
-- 
1.7.10.4




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