use buffer instead of pointer for mon->ltsymbol

diff --git a/dwm.c b/dwm.c
index 0d2f670..48f50da 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -121,7 +121,7 @@ typedef struct {
 } Layout;
 
 struct Monitor {
-       const char *ltsymbol;
+       char ltsymbol[16];
        float mfact;
        int num;
        int by;               /* bar geometry */
@@ -386,7 +386,7 @@ arrange(void) {
                showhide(m->stack);
        focus(NULL);
        for(m = mons; m; m = m->next) {
-               m->ltsymbol = m->lt[m->sellt]->symbol;
+               strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
                if(m->lt[m->sellt]->arrange)
                        m->lt[m->sellt]->arrange(m);
                restack(m);
@@ -605,7 +605,7 @@ createmon(void) {
        m->topbar = topbar;
        m->lt[0] = &layouts[0];
        m->lt[1] = &layouts[1 % LENGTH(layouts)];
-       m->ltsymbol = layouts[0].symbol;
+       strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
        return m;
 }
 
@@ -1163,17 +1163,14 @@ maprequest(XEvent *e) {
 
 void
 monocle(Monitor *m) {
-       static char ntext[8];
        unsigned int n = 0;
        Client *c;
 
        for(c = m->clients; c; c = c->next)
                if(ISVISIBLE(c))
                        n++;
-       if(n > 0) { /* override layout symbol */
-               snprintf(ntext, sizeof ntext, "[%d]", n);
-               m->ltsymbol = ntext;
-       }
+       if(n > 0) /* override layout symbol */
+               snprintf(m->ltsymbol, sizeof m->ltsymbol, "[%d]", n);
        for(c = nexttiled(m->clients); c; c = nexttiled(c->next))
                resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, False);
 }