# st

Unnamed repository; edit this file 'description' to name the repository.

| Log | Files | Refs | README | LICENSE

    commit 56abffb4b67f235d20de30f29ba027ab34c171e3
    parent aff35af275cb82eb876630c9256298ea1d1b2b57
    Author: sin <sin@2f30.org>
    Date:   Wed, 15 Apr 2015 09:43:06 +0100

    Fix memmove() invocation with src/dst being NULL

    This fixes a segmentation fault on some systems.

    Diffstat:
    Mst.c | 7+++++--

    1 file changed, 5 insertions(+), 2 deletions(-)
    diff --git a/st.c b/st.c
    @@ -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]);