Commit Diff
--- src/libdraw/x11-init.c +++ src/libdraw/x11-init.c @@ -875,7 +875,7 @@ parsewinsize(char *s, Rectangle *r, int *havemin) os = s; *havemin = 0; *r = Rect(0,0,0,0); - if(!isdigit(*s)) + if(!isdigit((uchar)*s)) goto oops; i = strtol(s, &s, 0); if(*s == 'x'){