[MPlayer-cvslog] r37163 - in trunk/gui/util: list.c list.h

[ib]

Author: ib
Date: Thu Apr 24 14:09:37 2014
New Revision: 37163

Log:
Add listDup().

(Currently unused, but we will need it soon.)

Modified:
   trunk/gui/util/list.c
   trunk/gui/util/list.h

Modified: trunk/gui/util/list.c
==============================================================================
--- trunk/gui/util/list.c	Thu Apr 24 13:56:18 2014	(r37162)
+++ trunk/gui/util/list.c	Thu Apr 24 14:09:37 2014	(r37163)
@@ -350,6 +350,36 @@ void listRepl(char ***list, const char *
 }
 
 /**
+ * @brief Duplicate a string list (by allocating new memory).
+ *
+ * @note The list must be NULL-terminated.
+ *
+ * @param list string list to be duplicated
+ *
+ * @return duplicated list
+ */
+char **listDup(const char *const *list)
+{
+    char **dup = NULL;
+
+    if (list) {
+        int i = 0;
+
+        while (list[i])
+            i++;
+
+        dup = calloc(i + 1, sizeof(char *));
+
+        if (dup) {
+            while (--i >= 0)
+                dup[i] = strdup(list[i]);
+        }
+    }
+
+    return dup;
+}
+
+/**
  * @brief Append or insert a file to the playlist.
  *
  * @param what file to be added

Modified: trunk/gui/util/list.h
==============================================================================
--- trunk/gui/util/list.h	Thu Apr 24 13:56:18 2014	(r37162)
+++ trunk/gui/util/list.h	Thu Apr 24 14:09:37 2014	(r37163)
@@ -54,6 +54,7 @@ void *listMgr(int cmd, void *data);
 
 /// @name String list operations
 //@{
+char **listDup(const char *const *list);
 void listFree(char ***list);
 void listRepl(char ***list, const char *search, const char *replace);
 void listSet(char ***list, const char *entry);