Fixed possible segfault by reverting to the key struct (again).

config.h

@@ -24,16 +24,15 @@ static const char *colorname[] = {
 #define DefaultCS 1
 #define BellCol   DefaultFG
 
-
 /* special keys */
-static const char *key[] = {
-	[XK_Delete] = "\033[3~", 
-	[XK_Home]   = "\033[1~",
-	[XK_End]    = "\033[4~",
-	[XK_Prior]  = "\033[5~",
-	[XK_Next]   = "\033[6~",
-	[XK_Left]   = "\033[D",
-	[XK_Right]  = "\033[C",
-	[XK_Up]     = "\033[A",
-	[XK_Down]   = "\033[B",
+static Key key[] = {
+	{ XK_Delete, "\033[3~" },
+	{ XK_Home,   "\033[1~" },
+	{ XK_End,    "\033[4~" },
+	{ XK_Prior,  "\033[5~" },
+	{ XK_Next,   "\033[6~" },
+	{ XK_Left,   "\033[D" },
+	{ XK_Right,  "\033[C" },
+	{ XK_Up,     "\033[A" },
+	{ XK_Down,   "\033[B" },
 };

st.c

@@ -93,6 +93,11 @@ typedef struct {
 	int cw; /* char width  */
 } XWindow; 
 
+typedef struct {
+	KeySym k;
+	char s[ESCSIZ];
+} Key;
+
 #include "config.h"
 
 /* Drawing Context */
@@ -146,6 +151,7 @@ static void xinit(void);
 static void xscroll(void);
 
 static void expose(XEvent *);
+static char * kmap(KeySym);
 static void kpress(XEvent *);
 static void resize(XEvent *);
 
@@ -1005,11 +1011,21 @@ expose(XEvent *ev) {
 	draw(SCredraw);
 }
 
+char *
+kmap(KeySym k) {
+	int i;
+	for(i = 0; i < LEN(key); i++)
+		if(key[i].k == k)
+			return (char*)key[i].s;
+	return NULL;
+}
+
 void
 kpress(XEvent *ev) {
 	XKeyEvent *e = &ev->xkey;
 	KeySym ksym;
 	char buf[32];
+	char *customkey;
 	int len;
 	int meta;
 	int shift;
@@ -1017,8 +1033,9 @@ kpress(XEvent *ev) {
 	meta  = e->state & Mod1Mask;
 	shift = e->state & ShiftMask;
 	len = XLookupString(e, buf, sizeof(buf), &ksym, NULL);
-	if(key[ksym])
-		ttywrite(key[ksym], strlen(key[ksym]));
+
+	if(customkey = kmap(ksym))
+		ttywrite(customkey, strlen(customkey));
 	else if(len > 0) {
 		buf[sizeof(buf)-1] = '\0';
 		if(meta && len == 1)