Avoid asprintf() which is not available on mingw

[qemu.git] / migration-exec.c

diff --git a/migration-exec.c b/migration-exec.c
index d0119c67d8c53401f475e762e43d2a1635d831d1..6c97db973c93579421ff29cade1623cd09cc8cff 100644 (file)
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -11,6 +11,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
@@ -50,33 +52,22 @@ static int exec_close(MigrationState *s)
         ret = qemu_fclose(s->opaque);
         s->opaque = NULL;
         s->fd = -1;
-        if (ret != -1 &&
-            WIFEXITED(ret)
-            && WEXITSTATUS(ret) == 0) {
-            ret = 0;
-        } else {
-            ret = -1;
+        if (ret >= 0 && !(WIFEXITED(ret) && WEXITSTATUS(ret) == 0)) {
+            /* close succeeded, but non-zero exit code: */
+            ret = -EIO; /* fake errno value */
         }
     }
     return ret;
 }
 
-MigrationState *exec_start_outgoing_migration(Monitor *mon,
-                                              const char *command,
-                                             int64_t bandwidth_limit,
-                                             int detach,
-                                             int blk,
-                                             int inc)
+int exec_start_outgoing_migration(MigrationState *s, const char *command)
 {
-    MigrationState *s;
     FILE *f;
 
-    s = migrate_new(mon, bandwidth_limit, detach, blk, inc);
-
     f = popen(command, "w");
     if (f == NULL) {
         DPRINTF("Unable to popen exec target\n");
-        goto err_after_alloc;
+        goto err_after_popen;
     }
 
     s->fd = fileno(f);
@@ -94,13 +85,12 @@ MigrationState *exec_start_outgoing_migration(Monitor *mon,
     s->write = file_write;
 
     migrate_fd_connect(s);
-    return s;
+    return 0;
 
 err_after_open:
     pclose(f);
-err_after_alloc:
-    g_free(s);
-    return NULL;
+err_after_popen:
+    return -1;
 }
 
 static void exec_accept_incoming_migration(void *opaque)