xref: /openbmc/qemu/fsdev/9p-marshal.c (revision af531756)
1 /*
2  * 9p backend
3  *
4  * Copyright IBM, Corp. 2010
5  *
6  * Authors:
7  *  Anthony Liguori   <aliguori@us.ibm.com>
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2.  See
10  * the COPYING file in the top-level directory.
11  *
12  */
13 
14 #include "qemu/osdep.h"
15 #include <glib/gprintf.h>
16 #include <dirent.h>
17 #include <utime.h>
18 
19 #include "9p-marshal.h"
20 
21 P9ARRAY_DEFINE_TYPE(V9fsString, v9fs_string_free);
22 
23 void v9fs_string_free(V9fsString *str)
24 {
25     g_free(str->data);
26     str->data = NULL;
27     str->size = 0;
28 }
29 
30 void GCC_FMT_ATTR(2, 3)
31 v9fs_string_sprintf(V9fsString *str, const char *fmt, ...)
32 {
33     va_list ap;
34 
35     v9fs_string_free(str);
36 
37     va_start(ap, fmt);
38     str->size = g_vasprintf(&str->data, fmt, ap);
39     va_end(ap);
40 }
41 
42 void v9fs_string_copy(V9fsString *lhs, V9fsString *rhs)
43 {
44     v9fs_string_free(lhs);
45     v9fs_string_sprintf(lhs, "%s", rhs->data);
46 }
47