initial commit of adapted source tree.

1 files changed, 81 insertions, 0 deletions

diff --git a/src/collection.c b/src/collection.c
new file mode 100644
index 0000000..423cc4e
--- /dev/null
+++ b/src/collection.c
@@ -0,0 +1,81 @@
+/*
+	libusbmuxd - client library to talk to usbmuxd
+
+Copyright (C) 2009	Hector Martin "marcan" <hector@marcansoft.com>
+Copyright (C) 2009	Nikias Bassen <nikias@gmx.li>
+
+This library is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation, either version 2.1 of the
+License, or (at your option) any later version.
+
+This library 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 Lesser General Public
+License along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "collection.h"
+
+void collection_init(struct collection *col)
+{
+	col->list = malloc(sizeof(void *));
+	memset(col->list, 0, sizeof(void *));
+	col->capacity = 1;
+}
+
+void collection_free(struct collection *col)
+{
+	free(col->list);
+	col->list = NULL;
+	col->capacity = 0;
+}
+
+void collection_add(struct collection *col, void *element)
+{
+	int i;
+	for(i=0; i<col->capacity; i++) {
+		if(!col->list[i]) {
+			col->list[i] = element;
+			return;
+		}
+	}
+	col->list = realloc(col->list, sizeof(void*) * col->capacity * 2);
+	memset(&col->list[col->capacity], 0, sizeof(void *) * col->capacity);
+	col->list[col->capacity] = element;
+	col->capacity *= 2;
+}
+
+void collection_remove(struct collection *col, void *element)
+{
+	int i;
+	for(i=0; i<col->capacity; i++) {
+		if(col->list[i] == element) {
+			col->list[i] = NULL;
+			return;
+		}
+	}
+	fprintf(stderr, "%s: WARNING: element %p not present in collection %p (cap %d)", __func__, element, col, col->capacity);
+}
+
+int collection_count(struct collection *col)
+{
+	int i, cnt = 0;
+	for(i=0; i<col->capacity; i++) {
+		if(col->list[i])
+			cnt++;
+	}
+	return cnt;
+}