[PATCH v6 3/5] util: strv_from_strList

[Philippe Mathieu-Daudé]

From: Steve Sistare <steven.sistare@oracle.com>

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <1708638470-114846-4-git-send-email-steven.sistare@oracle.com>
Message-ID: <d126c937-c705-476f-baa5-d5e258780cc0@oracle.com>
---
 include/qemu/strList.h |  8 ++++++++
 util/strList.c         | 14 ++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/include/qemu/strList.h b/include/qemu/strList.h
index 4e2e78624e..b13bd539c3 100644
--- a/include/qemu/strList.h
+++ b/include/qemu/strList.h
@@ -22,4 +22,12 @@
  */
 strList *str_split(const char *str, const char *delim);
 
+/*
+ * Produce and return a NULL-terminated array of strings from @list.
+ * The result is g_malloc'd and all strings are g_strdup'd.  The result
+ * can be freed using g_strfreev, or by declaring a local variable with
+ * g_auto(GStrv).
+ */
+char **strv_from_strList(const strList *list);
+
 #endif
diff --git a/util/strList.c b/util/strList.c
index 7588c7c797..6da6762c08 100644
--- a/util/strList.c
+++ b/util/strList.c
@@ -22,3 +22,17 @@ strList *str_split(const char *str, const char *delim)
 
     return res;
 }
+
+char **strv_from_strList(const strList *list)
+{
+    const strList *tail;
+    int i = 0;
+    char **argv = g_new(char *, QAPI_LIST_LENGTH(list) + 1);
+
+    for (tail = list; tail != NULL; tail = tail->next) {
+        argv[i++] = g_strdup(tail->value);
+    }
+    argv[i] = NULL;
+
+    return argv;
+}
-- 
2.41.0