semihosting: don't send the trailing '\0'

Don't send the trailing 0 from the string. Signed-off-by: KONRAD Frederic <[email protected]> Signed-off-by: Alex Bennée <[email protected]> Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Reviewed-by: Richard Henderson <[email protected]> Message-Id: <[email protected]> Message-Id: <[email protected]>
Mr-HappyLI · Jul 27, 2020 · 7d2d652 · 7d2d652
1 parent 619985e
commit 7d2d652
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/hw/semihosting/console.c b/hw/semihosting/console.c
@@ -52,7 +52,9 @@ static GString *copy_user_string(CPUArchState *env, target_ulong addr)
 
     do {
         if (cpu_memory_rw_debug(cpu, addr++, &c, 1, 0) == 0) {
-            s = g_string_append_c(s, c);
+            if (c) {
+                s = g_string_append_c(s, c);
+            }
         } else {
             qemu_log_mask(LOG_GUEST_ERROR,
                           "%s: passed inaccessible address " TARGET_FMT_lx,