From: Christian Heller <c.heller@plomlompom.de>
Date: Sat, 24 Aug 2013 03:47:11 +0000 (+0200)
Subject: shift_active_win() returns error code of its update_wins() call.
X-Git-Tag: tce~1064
X-Git-Url: https://plomlompom.com/repos/%22https:/validator.w3.org/do_tasks?a=commitdiff_plain;h=32de5451545b3ba43c1dbd379d2a5e312d7e51dd;p=plomrogue

shift_active_win() returns error code of its update_wins() call.
---

diff --git a/src/windows.c b/src/windows.c
index 74fb6cf..13dbed0 100644
--- a/src/windows.c
+++ b/src/windows.c
@@ -533,13 +533,13 @@ extern void cycle_active_win(struct WinMeta * wmeta, char dir)
 
 
 
-extern void shift_active_win(struct WinMeta * wmeta, char dir)
+extern uint8_t shift_active_win(struct WinMeta * wmeta, char dir)
 {
     if (   0 == wmeta->active                     /* No shifting with less    */
         || wmeta->chain_start == wmeta->chain_end /* than two windows visible */
         || (dir != 'f' && dir != 'b'))            /* or wrong direction char. */
     {
-        return;
+        return 0;
     }
     if ('f' == dir)
     {
@@ -549,7 +549,7 @@ extern void shift_active_win(struct WinMeta * wmeta, char dir)
     {
         shift_win_backward(wmeta);
     }
-    update_wins(wmeta, wmeta->chain_start);
+    return update_wins(wmeta, wmeta->chain_start);
 }
 
 
diff --git a/src/windows.h b/src/windows.h
index 98f5d9a..e556444 100644
--- a/src/windows.h
+++ b/src/windows.h
@@ -148,8 +148,11 @@ extern void cycle_active_win(struct WinMeta * wmeta, char dir);
 
 
 /* Move active window forwards (set dir="f") or backwards (set dir="b"). Wrap
- * around in the window chain if start / end of it is met. */
-extern void shift_active_win(struct WinMeta * wmeta, char dir);
+ * around in the window chain if start / end of it is met.
+ *
+ * Returns 0 on success, 1 on (ncurses window/pad memory allocation) error.
+ */
+extern uint8_t shift_active_win(struct WinMeta * wmeta, char dir);