From 85a88a982f4688482da49d4d5d119ba659d4d870 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Fri, 26 Feb 2021 16:54:29 +0100
Subject: selectw verifies add/set options; implemented multi select

---
 fw/fe310/eos/unicode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'fw/fe310/eos/unicode.c')

diff --git a/fw/fe310/eos/unicode.c b/fw/fe310/eos/unicode.c
index e2fb772..29100c7 100644
--- a/fw/fe310/eos/unicode.c
+++ b/fw/fe310/eos/unicode.c
@@ -106,7 +106,7 @@ int utf8_verify(utf8_t *str, int str_size, int *str_len) {
         ch_l = utf8_dec(str + len, &ch);
         if (ch_l > 0) {
             if (ch == 0) {
-                *str_len = len;
+                if (str_len) *str_len = len;
                 return UTF_OK;
             }
             len += ch_l;
@@ -114,7 +114,8 @@ int utf8_verify(utf8_t *str, int str_size, int *str_len) {
             break;
         }
     }
-    *str_len = len;
+
+    if (str_len) *str_len = len;
     return UTF_ERR;
 }
 
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