Patchwork [28/43] create new function: qemu_opt_set_number

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Submitter Kevin Wolf
Date Dec. 13, 2012, 3:10 p.m.
Message ID <1355411450-12761-29-git-send-email-kwolf@redhat.com>
Download mbox | patch
Permalink /patch/206176/
State New
Headers show

Comments

Kevin Wolf - Dec. 13, 2012, 3:10 p.m.
From: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 qemu-option.c |   22 ++++++++++++++++++++++
 qemu-option.h |    1 +
 2 files changed, 23 insertions(+), 0 deletions(-)

Patch

diff --git a/qemu-option.c b/qemu-option.c
index 1303188..94557cf 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -695,6 +695,28 @@  int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val)
     return 0;
 }
 
+int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val)
+{
+    QemuOpt *opt;
+    const QemuOptDesc *desc = opts->list->desc;
+
+    opt = g_malloc0(sizeof(*opt));
+    opt->desc = find_desc_by_name(desc, name);
+    if (!opt->desc && !opts_accepts_any(opts)) {
+        qerror_report(QERR_INVALID_PARAMETER, name);
+        g_free(opt);
+        return -1;
+    }
+
+    opt->name = g_strdup(name);
+    opt->opts = opts;
+    opt->value.uint = val;
+    opt->str = g_strdup_printf("%" PRId64, val);
+    QTAILQ_INSERT_TAIL(&opts->head, opt, next);
+
+    return 0;
+}
+
 int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
                      int abort_on_failure)
 {
diff --git a/qemu-option.h b/qemu-option.h
index b0f8d1e..002dd07 100644
--- a/qemu-option.h
+++ b/qemu-option.h
@@ -126,6 +126,7 @@  int qemu_opt_set(QemuOpts *opts, const char *name, const char *value);
 void qemu_opt_set_err(QemuOpts *opts, const char *name, const char *value,
                       Error **errp);
 int qemu_opt_set_bool(QemuOpts *opts, const char *name, bool val);
+int qemu_opt_set_number(QemuOpts *opts, const char *name, int64_t val);
 typedef int (*qemu_opt_loopfunc)(const char *name, const char *value, void *opaque);
 int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
                      int abort_on_failure);