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 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 v9fs_string_null(V9fsString *str) 31 { 32 v9fs_string_free(str); 33 } 34 35 void GCC_FMT_ATTR(2, 3) 36 v9fs_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 47 void v9fs_string_copy(V9fsString *lhs, V9fsString *rhs) 48 { 49 v9fs_string_free(lhs); 50 v9fs_string_sprintf(lhs, "%s", rhs->data); 51 } 52