Fix crash on font resize resize

if you keep downsizing your fontsize until either xw.ch or xw.cw gets 0,
st crashes, because there is an unchecked division in cresize.

diff --git a/st.c b/st.c
index 1deb7bc..142a152 100644 (file)
--- a/st.c
+++ b/st.c
@@ -2992,7 +2992,7 @@ xloadfonts(char *fontstr, double fontsize) {
        if(!pattern)
                die("st: can't open font %s\n", fontstr);
 
        if(!pattern)
                die("st: can't open font %s\n", fontstr);
 

-       if(fontsize > 0) {
+       if(fontsize > 1) {

                FcPatternDel(pattern, FC_PIXEL_SIZE);
                FcPatternDel(pattern, FC_SIZE);
                FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
                FcPatternDel(pattern, FC_PIXEL_SIZE);
                FcPatternDel(pattern, FC_SIZE);
                FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);