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[Qemu-block] [PATCH v2 3/6] opts: do not print separator before first it


From: Kővágó, Zoltán
Subject: [Qemu-block] [PATCH v2 3/6] opts: do not print separator before first item in qemu_opts_print
Date: Tue, 16 Jun 2015 14:49:06 +0200

This allows to print options in a format that the user would actually write it
on the command line (foo=bar,baz=asd,etc=def), without prepending a spurious
comma at the beginning of the list.

Only block.c depended on the old behavior, but it was also updated.

Signed-off-by: Kővágó, Zoltán <address@hidden>
---
 block.c            | 2 +-
 util/qemu-option.c | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/block.c b/block.c
index dd4f58d..c5d456c 100644
--- a/block.c
+++ b/block.c
@@ -3823,7 +3823,7 @@ void bdrv_img_create(const char *filename, const char 
*fmt,
     }
 
     if (!quiet) {
-        printf("Formatting '%s', fmt=%s", filename, fmt);
+        printf("Formatting '%s', fmt=%s ", filename, fmt);
         qemu_opts_print(opts, " ");
         puts("");
     }
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 840f5f7..b347d92 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -728,14 +728,16 @@ void qemu_opts_del(QemuOpts *opts)
     g_free(opts);
 }
 
-void qemu_opts_print(QemuOpts *opts, const char *sep)
+void qemu_opts_print(QemuOpts *opts, const char *d_sep)
 {
     QemuOpt *opt;
     QemuOptDesc *desc = opts->list->desc;
+    const char *sep = "";
 
     if (desc[0].name == NULL) {
         QTAILQ_FOREACH(opt, &opts->head, next) {
             printf("%s%s=\"%s\"", sep, opt->name, opt->str);
+            sep = d_sep;
         }
         return;
     }
@@ -755,6 +757,7 @@ void qemu_opts_print(QemuOpts *opts, const char *sep)
         } else {
             printf("%s%s=%s", sep, desc->name, value);
         }
+        sep = d_sep;
     }
 }
 
-- 
2.4.3




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