string append more protection

2024-05-13 22:29:22 +03:00
parent d764171c82
commit f97fed7daa
2 changed files with 2 additions and 1 deletions
--- a/libs/main/text/pistring.cpp
+++ b/libs/main/text/pistring.cpp
@@ -300,6 +300,7 @@ void PIString::appendFromChars(const char * c, int s, const char * codepage) {
 	if (s == 0) return;
 	int old_sz = size_s();
 	if (s == -1) s = strlen(c);
+	if (s <= 0) return;
 #ifdef PIP_ICU
 	UErrorCode e((UErrorCode)0);
 	UConverter * cc = ucnv_open(codepage, &e);