Remove duplicated code in strhandle

The error condition was duplicated in two different switches.
This new version centralized the error handling in only one place.

diff --git a/st.c b/st.c
index 21afb52..c59bf1d 100644 (file)
--- a/st.c
+++ b/st.c
@@ -2152,20 +2152,21 @@ csireset(void) {
 void
 strhandle(void) {
        char *p = NULL;
-       int i, j, narg;
+       int j, narg, par;
 
        strparse();
        narg = strescseq.narg;
+       par = atoi(strescseq.args[0]);
 
        switch(strescseq.type) {
        case ']': /* OSC -- Operating System Command */
-               switch(i = atoi(strescseq.args[0])) {
+               switch(par) {
                case 0:
                case 1:
                case 2:
                        if(narg > 1)
                                xsettitle(strescseq.args[1]);
-                       break;
+                       return;
                case 4: /* color set */
                        if(narg < 3)
                                break;
@@ -2182,25 +2183,20 @@ strhandle(void) {
                                 */
                                redraw(0);
                        }
-                       break;
-               default:
-                       fprintf(stderr, "erresc: unknown str ");
-                       strdump();
-                       break;
+                       return;
                }
                break;
        case 'k': /* old title set compatibility */
                xsettitle(strescseq.args[0]);
-               break;
+               return;
        case 'P': /* DSC -- Device Control String */
        case '_': /* APC -- Application Program Command */
        case '^': /* PM -- Privacy Message */
-       default:
-               fprintf(stderr, "erresc: unknown str ");
-               strdump();
-               /* die(""); */
-               break;
+               return;
        }
+
+       fprintf(stderr, "erresc: unknown str ");
+       strdump();
 }
 
 void