--- drw.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drw.c b/drw.c index 0adf33e..80383c9 100644 --- a/drw.c +++ b/drw.c @@ -63,9 +63,8 @@ utf8decode(const char *c, long *u, size_t clen) Drw * drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h) { - Drw *drw; + Drw *drw = ecalloc(1, sizeof(Drw)); - drw = ecalloc(1, sizeof(Drw)); drw->dpy = dpy; drw->screen = screen; drw->root = root; @@ -81,6 +80,9 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h void drw_resize(Drw *drw, unsigned int w, unsigned int h) { + if (!drw) + return; + drw->w = w; drw->h = h; if (drw->drawable) @@ -365,6 +367,9 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h) { + if (!drw) + return; + XCopyArea(drw->dpy, drw->drawable, win, drw->gc, x, y, w, h, x, y); XSync(drw->dpy, False); } @@ -397,7 +402,9 @@ drw_cur_create(Drw *drw, int shape) { Cur *cur; - cur = ecalloc(1, sizeof(Cur)); + if (!drw || !(cur = ecalloc(1, sizeof(Cur)))) + return NULL; + cur->cursor = XCreateFontCursor(drw->dpy, shape); return cur; @@ -408,6 +415,7 @@ drw_cur_free(Drw *drw, Cur *cursor) { if (!cursor) return; + XFreeCursor(drw->dpy, cursor->cursor); free(cursor); } -- 2.7.3