Fix memmove() invocation with src/dst being NULL This fixes a segmentation fault on some systems.
sin sin@2f30.org
1 files changed,
5 insertions(+),
2 deletions(-)
jump to
M
st.c
→
st.c
@@ -2788,8 +2788,11 @@ for(i = 0; i <= term.c.y - row; i++) {
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]);