LXR qemu/fsdev/9p-marshal.c

   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.h>
  16#include <glib/gprintf.h>
  17#include <dirent.h>
  18#include <utime.h>
  19#include <sys/uio.h>
  20
  21#include "9p-marshal.h"
  22
  23void v9fs_string_free(V9fsString *str)
  24{
  25    g_free(str->data);
  26    str->data = NULL;
  27    str->size = 0;
  28}
  29
  30void v9fs_string_null(V9fsString *str)
  31{
  32    v9fs_string_free(str);
  33}
  34
  35void GCC_FMT_ATTR(2, 3)
  36v9fs_string_sprintf(V9fsString *str, const char *fmt, ...)
  37{
  38    va_list ap;
  39
  40    v9fs_string_free(str);
  41
  42    va_start(ap, fmt);
  43    str->size = g_vasprintf(&str->data, fmt, ap);
  44    va_end(ap);
  45}
  46
  47void v9fs_string_copy(V9fsString *lhs, V9fsString *rhs)
  48{
  49    v9fs_string_free(lhs);
  50    v9fs_string_sprintf(lhs, "%s", rhs->data);
  51}
  52