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-rw-r--r--include/migration/qemu-file.h1
-rw-r--r--savevm.c20
2 files changed, 14 insertions, 7 deletions
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;
}