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

[st.git] / st.c

diff --git a/st.c b/st.c
index 5f40ddd..62b877f 100644 (file)
--- a/st.c
+++ 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)