Fix potential buffer overflow

fmtlib · Jan 14, 2023 · b723094 · b723094
1 parent 5dc570c
commit b723094
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
@@ -705,8 +705,9 @@ FMT_CONSTEXPR const Char* parse_chrono_format(const Char* begin,
       continue;
     }
     if (begin != ptr) handler.on_text(begin, ptr);
-    c = *++ptr;  // consume '%'
+    ++ptr; // consume '%'
     if (ptr == end) FMT_THROW(format_error("invalid format"));
+    c = *ptr;
     switch (c) {
     case '_':
       pad = pad_type::space;