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authorGravatar Chow Loong Jin2014-10-03 13:24:19 +0200
committerGravatar Nikias Bassen2014-10-03 13:24:19 +0200
commit305450ad5fc9d8027a35a67f3136d81e4ecf74e2 (patch)
tree8f159a64437e7bde96eceb00b7257f5c54948c3a /common/collection.c
parentcc4f7aa21edb54b6688aead32e8b8741247848c7 (diff)
downloadlibusbmuxd-305450ad5fc9d8027a35a67f3136d81e4ecf74e2.tar.gz
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Move socket and collection functions to a convenience library
This avoids the iproxy tool from relying on undocumented library ABI.
Diffstat (limited to 'common/collection.c')
-rw-r--r--common/collection.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/common/collection.c b/common/collection.c
new file mode 100644
index 0000000..ccc4016
--- /dev/null
+++ b/common/collection.c
@@ -0,0 +1,80 @@
+/*
+ * collection.c
+ *
+ * Copyright (C) 2009 Hector Martin <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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; 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;
+}