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