# st

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    commit aba6c292af347588b9c2f5d1a400a6270b5a447f
    parent 4d14d97547d335974e98aa612ac5b4fcfc25e1d9
    Author: Rian Hunter <rian@alum.mit.edu>
    Date:   Thu, 29 Jan 2015 15:00:39 -0800

    Correct shift amount on MODE_INSERT in tputc()

    When MODE_INSERT is set we'd shift characters on the same
    line forward before inserting our character in tputc().
    This did not account for wide characters where width != 1.
    This patch makes it so we shift the correct amount.

    Diffstat:
    Mst.c | 4++--

    1 file changed, 2 insertions(+), 2 deletions(-)
    diff --git a/st.c b/st.c
    @@ -2676,8 +2676,8 @@ tputc(char *c, int len) {
     		gp = &term.line[term.c.y][term.c.x];
     	}

    -	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
    -		memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
    +	if(IS_SET(MODE_INSERT) && term.c.x+width < term.col)
    +		memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));

     	if(term.c.x+width > term.col) {
     		tnewline(1);