avoid segfault when using a custom format with too many format specifiers

2022-08-16 18:03:07 -04:00
parent 6973b80343
commit 0cac041ad4
3 changed files with 7 additions and 3 deletions
--- a/src/dump_custom.cpp
+++ b/src/dump_custom.cpp
@ -262,10 +262,11 @@ void DumpCustom::init_style()

  auto words = utils::split_words(format);
  if ((int) words.size() < nfield)
-    error->all(FLERR,"Dump_modify format line is too short");
+    error->all(FLERR,"Dump_modify format line is too short: {}", format);

  int i=0;
  for (const auto &word : words) {
+    if (i >= nfield) break;
    delete[] vformat[i];

    if (format_column_user[i])