@@ -135,10 +135,21 @@ expand_d_format (const char *format)
static char *
escape_d_format (const char *format)
{
+ bool quoted = false;
+ size_t format_len = 0;
obstack buf;
gcc_obstack_init (&buf);
+ /* If the format string is enclosed by two '`' characters, then don't escape
+ the first and last characters. */
+ if (*format == '`')
+ {
+ format_len = strlen (format) - 1;
+ if (format_len && format[format_len] == '`')
+ quoted = true;
+ }
+
for (const char *p = format; *p; p++)
{
switch (*p)
@@ -152,7 +163,8 @@ escape_d_format (const char *format)
case '`':
/* Escape '`' characters so that expand_d_format does not confuse them
for a quoted string. */
- obstack_1grow (&buf, '\\');
+ if (!quoted || (p != format && p != (format + format_len)))
+ obstack_1grow (&buf, '\\');
break;
default: