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[Qemu-devel] [PATCH V4 06/10] create new function: qemu_opt_set_number


From: Dong Xu Wang
Subject: [Qemu-devel] [PATCH V4 06/10] create new function: qemu_opt_set_number
Date: Thu, 25 Oct 2012 20:57:24 +0800

Signed-off-by: Dong Xu Wang <address@hidden>
---
 qemu-option.c |   24 ++++++++++++++++++++++++
 qemu-option.h |    1 +
 2 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/qemu-option.c b/qemu-option.c
index d7d5ea9..eeb2c9c 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -695,6 +695,30 @@ 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)
+{
+    char buffer[1024];
+    QemuOpt *opt;
+    const QemuOptDesc *desc = opts->list->desc;
+
+    snprintf(buffer, sizeof(buffer), "%" PRId64, val);
+    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(buffer);
+    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);
-- 
1.7.1




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