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Fix _lv_txt_ins with zero length insert text

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Closes #1754
This commit is contained in:
Gabor Kiss-Vamosi
2020-08-28 09:53:53 +02:00
parent 037d3d9090
commit adf65b6761
1 changed files with 2 additions and 0 deletions
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src/lv_misc/lv_txt.c
+2
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@@ -436,6 +436,8 @@ void _lv_txt_ins(char * txt_buf, uint32_t pos, const char * ins_txt)
{ {
size_t old_len = strlen(txt_buf); size_t old_len = strlen(txt_buf);
size_t ins_len = strlen(ins_txt); size_t ins_len = strlen(ins_txt);
if(ins_len == 0) return;
size_t new_len = ins_len + old_len; size_t new_len = ins_len + old_len;
pos = _lv_txt_encoded_get_byte_id(txt_buf, pos); /*Convert to byte index instead of letter index*/ pos = _lv_txt_encoded_get_byte_id(txt_buf, pos); /*Convert to byte index instead of letter index*/