diff options
| -rw-r--r-- | st.c | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -2788,8 +2788,11 @@ tresize(int col, int row) { free(term.line[i]); free(term.alt[i]); } - memmove(term.line, term.line + i, row * sizeof(Line)); - memmove(term.alt, term.alt + i, row * sizeof(Line)); + /* ensure that both src and dst are not NULL */ + if (i > 0) { + memmove(term.line, term.line + i, row * sizeof(Line)); + memmove(term.alt, term.alt + i, row * sizeof(Line)); + } for(i += row; i < term.row; i++) { free(term.line[i]); free(term.alt[i]); |