st

suckless terminal - with my changes
git clone https://pi.duncano.de/git/st.git
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commit 6521b5dc32d9bdc4d8826324cb7b2877910cc633
parent a8d5870073af14aa08032ab8520c5fe17bb8a1e8
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 31 Jan 2014 17:30:00 +0100

Remove non defined behaviour in selcopy

It is not defined when lateral effects of expressions are
calculated, so an expression as:

	--last >= gp && !(selected(last - gp, y)

is non portable.

Diffstat:
st.c | 9+++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/st.c b/st.c @@ -953,11 +953,12 @@ selcopy(void) { /* append every set & selected glyph to the selection */ for(y = sel.nb.y; y < sel.ne.y + 1; y++) { gp = &term.line[y][0]; - last = gp + term.col; + last = &gp[term.col-1]; - while(--last >= gp && !(selected(last - gp, y) && \ - strcmp(last->c, " ") != 0)) - /* nothing */; + while(last >= gp && !(selected(last - gp, y) && + strcmp(last->c, " ") != 0)) { + --last; + } for(x = 0; gp <= last; x++, ++gp) { if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))