From 5d69d2aba915ee6ade51a2db9c320dfdf17348cd Mon Sep 17 00:00:00 2001
From: Geoffrey McRae <geoff@hostfission.com>
Date: Sun, 12 May 2019 16:12:12 +1000
Subject: [PATCH] [common] added new StringList helper module

---
 VERSION                            |  2 +-
 common/include/common/stringlist.h | 28 +++++++++++
 common/src/stringlist.c            | 78 ++++++++++++++++++++++++++++++
 3 files changed, 107 insertions(+), 1 deletion(-)
 create mode 100644 common/include/common/stringlist.h
 create mode 100644 common/src/stringlist.c

diff --git a/VERSION b/VERSION
index c2ddd946..1ae245d7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-a12-182-g538a6dc08e+1
\ No newline at end of file
+a12-183-g0090580a64+1
\ No newline at end of file
diff --git a/common/include/common/stringlist.h b/common/include/common/stringlist.h
new file mode 100644
index 00000000..4b76d325
--- /dev/null
+++ b/common/include/common/stringlist.h
@@ -0,0 +1,28 @@
+/*
+KVMGFX Client - A KVM Client for VGA Passthrough
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <stdbool.h>
+
+typedef struct StringList * StringList;
+
+StringList   stringlist_new  (bool owns_strings);
+void         stringlist_free (StringList * sl);
+int          stringlist_push (StringList sl, char * str);
+unsigned int stringlist_count(StringList sl);
+char *       stringlist_at   (StringList sl, unsigned int index);
\ No newline at end of file
diff --git a/common/src/stringlist.c b/common/src/stringlist.c
new file mode 100644
index 00000000..24bd4a50
--- /dev/null
+++ b/common/src/stringlist.c
@@ -0,0 +1,78 @@
+/*
+KVMGFX Client - A KVM Client for VGA Passthrough
+Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
+https://looking-glass.hostfission.com
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "common/stringlist.h"
+
+#include <stdlib.h>
+
+struct StringList
+{
+  bool         owns_strings;
+  unsigned int size;
+  unsigned int count;
+  char ** list;
+};
+
+StringList stringlist_new(bool owns_strings)
+{
+  StringList sl = malloc(sizeof(struct StringList));
+
+  sl->size  = 32;
+  sl->count = 0;
+  sl->list  = malloc(sizeof(char *) * sl->size);
+
+  return sl;
+}
+
+void stringlist_free(StringList * sl)
+{
+  if ((*sl)->owns_strings)
+    for(unsigned int i = 0; i < (*sl)->count; ++i)
+      free((*sl)->list[i]);
+
+  free((*sl)->list);
+  free((*sl));
+  *sl = NULL;
+}
+
+int stringlist_push (StringList sl, char * str)
+{
+  if (sl->count == sl->size)
+  {
+    sl->size += 32;
+    sl->list  = realloc(sl->list, sizeof(char *) * sl->size);
+  }
+
+  unsigned int index = sl->count;
+  sl->list[sl->count++] = str;
+  return index;
+}
+
+unsigned int stringlist_count(StringList sl)
+{
+  return sl->count;
+}
+
+char * stringlist_at(StringList sl, unsigned int index)
+{
+  if (index >= sl->count)
+    return NULL;
+
+  return sl->list[index];
+}
\ No newline at end of file