Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches

# gpg: Signature made Wed 30 Apr 2014 19:19:32 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (31 commits)
  curl: Fix hang reading from slow connections
  curl: Ensure all informationals are checked for completion
  curl: Eliminate unnecessary use of curl_multi_socket_all
  curl: Remove unnecessary explicit calls to internal event handler
  curl: Remove erroneous sleep waiting for curl completion
  curl: Fix return from curl_read_cb with invalid state
  curl: Remove unnecessary use of goto
  curl: Fix long line
  block/vdi: Error out immediately in vdi_create()
  block/bochs: Fix error handling for seek_to_sector()
  qcow2: Check min_size in qcow2_grow_l1_table()
  qcow2: Catch bdrv_getlength() error
  block: Use correct width in format strings
  qcow2: Avoid overflow in alloc_clusters_noref()
  block: Use error_abort in bdrv_image_info_specific_dump()
  block: Fix open_flags in bdrv_reopen()
  Revert "block: another bdrv_append fix"
  block: Unlink temporary files in raw-posix/win32
  block: Remove BDRV_O_COPY_ON_READ for bs->file
  block: Create bdrv_backing_flags()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 22 insertions, 4 deletions

diff --git a/qemu-img.c b/qemu-img.c
index 968b4c8e83..96f44638b7 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -33,6 +33,9 @@
 #include "block/qapi.h"
 #include <getopt.h>
 
+#define QEMU_IMG_VERSION "qemu-img version " QEMU_VERSION \
+                          ", Copyright (c) 2004-2008 Fabrice Bellard\n"
+
 typedef struct img_cmd_t {
     const char *name;
     int (*handler)(int argc, char **argv);
@@ -75,7 +78,7 @@ static void QEMU_NORETURN GCC_FMT_ATTR(1, 2) error_exit(const char *fmt, ...)
 static void QEMU_NORETURN help(void)
 {
     const char *help_msg =
-           "qemu-img version " QEMU_VERSION ", Copyright (c) 2004-2008 Fabrice Bellard\n"
+           QEMU_IMG_VERSION
            "usage: qemu-img command [command options]\n"
            "QEMU disk image utility\n"
            "\n"
@@ -2789,6 +2792,12 @@ int main(int argc, char **argv)
 {
     const img_cmd_t *cmd;
     const char *cmdname;
+    int c;
+    static const struct option long_options[] = {
+        {"help", no_argument, 0, 'h'},
+        {"version", no_argument, 0, 'v'},
+        {0, 0, 0, 0}
+    };
 
 #ifdef CONFIG_POSIX
     signal(SIGPIPE, SIG_IGN);
@@ -2803,15 +2812,24 @@ int main(int argc, char **argv)
         error_exit("Not enough arguments");
     }
     cmdname = argv[1];
-    argc--; argv++;
 
     /* find the command */
-    for(cmd = img_cmds; cmd->name != NULL; cmd++) {
+    for (cmd = img_cmds; cmd->name != NULL; cmd++) {
         if (!strcmp(cmdname, cmd->name)) {
-            return cmd->handler(argc, argv);
+            return cmd->handler(argc - 1, argv + 1);
         }
     }
 
+    c = getopt_long(argc, argv, "h", long_options, NULL);
+
+    if (c == 'h') {
+        help();
+    }
+    if (c == 'v') {
+        printf(QEMU_IMG_VERSION);
+        return 0;
+    }
+
     /* not found */
     error_exit("Command not found: %s", cmdname);
 }