error: Add error_set_win32 and error_setg_win32
These functions help maintaining homogeneous formatting of error messages
with Windows error code and description (generated by
g_win32_error_message()).
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
diff --git a/util/error.c b/util/error.c
index 53b0435..ec0faa6 100644
--- a/util/error.c
+++ b/util/error.c
@@ -76,6 +76,41 @@
error_setg_errno(errp, os_errno, "Could not open '%s'", filename);
}
+#ifdef _WIN32
+
+void error_set_win32(Error **errp, int win32_err, ErrorClass err_class,
+ const char *fmt, ...)
+{
+ Error *err;
+ char *msg1;
+ va_list ap;
+
+ if (errp == NULL) {
+ return;
+ }
+ assert(*errp == NULL);
+
+ err = g_malloc0(sizeof(*err));
+
+ va_start(ap, fmt);
+ msg1 = g_strdup_vprintf(fmt, ap);
+ if (win32_err != 0) {
+ char *msg2 = g_win32_error_message(win32_err);
+ err->msg = g_strdup_printf("%s: %s (error: %x)", msg1, msg2,
+ (unsigned)win32_err);
+ g_free(msg2);
+ g_free(msg1);
+ } else {
+ err->msg = msg1;
+ }
+ va_end(ap);
+ err->err_class = err_class;
+
+ *errp = err;
+}
+
+#endif
+
Error *error_copy(const Error *err)
{
Error *err_new;
