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

[st.git] / st.c

diff --git a/st.c b/st.c
index 559dcda..62b877f 100644 (file)
--- a/st.c
+++ b/st.c
@@ -42,11 +42,6 @@ enum { SCupdate, SCredraw };
 
 typedef int Color;
 
-typedef struct {
-       KeySym k;
-       char s[ESCSIZ];
-} Key;
-
 typedef struct {
        char c;     /* character code  */
        char mode;  /* attribute flags */
@@ -98,6 +93,11 @@ typedef struct {
        int cw; /* char width  */
 } XWindow; 
 
+typedef struct {
+       KeySym k;
+       char s[ESCSIZ];
+} Key;
+
 #include "config.h"
 
 /* Drawing Context */
@@ -125,7 +125,6 @@ static void tcpos(int);
 static void tcursor(int);
 static void tdeletechar(int);
 static void tdeleteline(int);
-static void tdump(void);
 static void tinsertblank(int);
 static void tinsertblankline(int);
 static void tmoveto(int, int);
@@ -152,6 +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 *);
 
@@ -170,6 +170,26 @@ static int cmdfd;
 static pid_t pid;
 static int running;
 
+#ifdef DEBUG
+void
+tdump(void) {
+       int row, col;
+       Glyph c;
+
+       for(row = 0; row < term.row; row++) {
+               for(col = 0; col < term.col; col++) {
+                       if(col == term.c.x && row == term.c.y)
+                               putchar('#');
+                       else {
+                               c = term.line[row][col];
+                               putchar(c.state & CRset ? c.c : '.');
+                       }
+               }
+               putchar('\n');
+       }
+}
+#endif
+
 void
 die(const char *errstr, ...) {
        va_list ap;
@@ -797,24 +817,6 @@ tputs(char *s, int len) {
                tputc(*s++);
 }
 
-void
-tdump(void) {
-       int row, col;
-       Glyph c;
-
-       for(row = 0; row < term.row; row++) {
-               for(col = 0; col < term.col; col++) {
-                       if(col == term.c.x && row == term.c.y)
-                               putchar('#');
-                       else {
-                               c = term.line[row][col];
-                               putchar(c.state & CRset ? c.c : '.');
-                       }
-               }
-               putchar('\n');
-       }
-}
-
 void
 tresize(int col, int row) {
        int i;
@@ -1009,11 +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;
@@ -1021,8 +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)