1 files changed, 93 insertions, 0 deletions
diff --git a/manualPorts/alpine/backwards-search.patch b/manualPorts/alpine/backwards-search.patch
new file mode 100644
index 0000000..8926609
--- /dev/null
+++ b/manualPorts/alpine/backwards-search.patch
@@ -0,0 +1,93 @@
+diff --git a/alpine/mailindx.c b/alpine/mailindx.c
+index 18583c3..f1dd874 100644
+--- a/alpine/mailindx.c
++++ b/alpine/mailindx.c
+@@ -2954,19 +2954,21 @@ away.
+ void
+ index_search(struct pine *state, MAILSTREAM *stream, int command_line, MSGNO_S *msgmap)
+ {
+-    int         rc, select_all = 0, flags, prefetch, we_turned_on = 0;
++    int         rc, select_all = 0, flags, prefetch, searchbound, otherbound, offset = 0, we_turned_on = 0;
+     long        i, sorted_msg, selected = 0L;
+     char        prompt[MAX_SEARCH+50], new_string[MAX_SEARCH+1];
+     char        buf[MAX_SCREEN_COLS+1], *p;
+     HelpType	help;
+     char        search_string[MAX_SEARCH+1];
+     ICE_S      *ice, *ic;
++    static int direction = 1;
+     static HISTORY_S *history = NULL;
+     static ESCKEY_S header_search_key[] = { {0, 0, NULL, NULL },
+ 					    {ctrl('Y'), 10, "^Y", N_("First Msg")},
+ 					    {ctrl('V'), 11, "^V", N_("Last Msg")},
+ 					    {KEY_UP,    30, "", ""},
+ 					    {KEY_DOWN,  31, "", ""},
++					    {ctrl('W'), 32, "^W", N_("Direction")},
+ 					    {-1, 0, NULL, NULL} };
+ #define KU_IS (3)	/* index of KEY_UP */
+ #define PREFETCH_THIS_MANY_LINES (50)
+@@ -2995,7 +2997,8 @@ index_search(struct pine *state, MAILSTREAM *stream, int command_line, MSGNO_S *
+     new_string[0] = '\0';
+ 
+     while(1) {
+-	snprintf(prompt, sizeof(prompt), _("Word to search for [%s] : "), search_string);
++	snprintf(prompt, sizeof(prompt), _("Word to search %sfor [%s] : "),
++		direction == -1 ? _("(backwards) ") : "", search_string);
+ 
+ 	if(F_ON(F_ENABLE_AGG_OPS, ps_global)){
+ 	    header_search_key[0].ch    = ctrl('X');
+@@ -3092,6 +3095,10 @@ index_search(struct pine *state, MAILSTREAM *stream, int command_line, MSGNO_S *
+ 
+ 	    continue;
+ 	}
++	else if(rc == 32){
++	    direction *= -1;
++	    continue;
++	}
+ 
+         if(rc != 4){			/* 4 is redraw */
+ 	    save_hist(history, new_string, 0, NULL);
+@@ -3115,9 +3122,18 @@ index_search(struct pine *state, MAILSTREAM *stream, int command_line, MSGNO_S *
+     we_turned_on = intr_handling_on();
+ 
+     prefetch = 0;
+-    for(i = sorted_msg + ((select_all)?0:1);
+-	i <= mn_get_total(msgmap) && !ps_global->intr_pending;
+-	i++){
++    if (direction == -1) {
++	searchbound = -1;
++	otherbound = mn_get_total(msgmap);
++	offset = 2;
++    } else {
++	searchbound = mn_get_total(msgmap);
++	otherbound = 1;
++    }
++
++    for(i = sorted_msg + ((select_all)?0:1) - offset;
++	i * direction <= searchbound && !ps_global->intr_pending;
++	i += direction){
+       if(msgline_hidden(stream, msgmap, i, 0))
+ 	continue;
+ 
+@@ -3139,8 +3155,11 @@ index_search(struct pine *state, MAILSTREAM *stream, int command_line, MSGNO_S *
+     }
+ 
+     prefetch = 0;
+-    if(i > mn_get_total(msgmap)){
+-      for(i = 1; i < sorted_msg && !ps_global->intr_pending; i++){
++    if(i * direction > searchbound){
++      for(i = otherbound;
++	i * direction < sorted_msg * direction && !ps_global->intr_pending;
++	i += direction ){
++
+         if(msgline_hidden(stream, msgmap, i, 0))
+ 	  continue;
+ 
+@@ -3194,7 +3213,7 @@ index_search(struct pine *state, MAILSTREAM *stream, int command_line, MSGNO_S *
+     }
+     else if(selected){
+ 	q_status_message1(SM_ORDER, 0, 3, _("Word found%s"),
+-			  (i < sorted_msg) ? _(". Search wrapped to beginning") :
++			  (i * direction < sorted_msg * direction) ? _(". Search wrapped to beginning") :
+ 			   (i == sorted_msg) ? _(". Current line contains only match") : "");
+ 	mn_set_cur(msgmap, i);
+     }