Add missing files for previous commit

I shouldn't do late night commits without checking that I added all files

1 files changed, 52 insertions, 0 deletions

diff --git a/src/utils.h b/src/utils.h
new file mode 100644
index 0000000..ccb3a09
--- /dev/null
+++ b/src/utils.h
@@ -0,0 +1,52 @@
+/*
+ * utils.h
+ *
+ * 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 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
+ */
+
+#ifndef UTILS_H
+#define UTILS_H
+
+struct collection {
+        void **list;
+        int capacity;
+};
+
+void collection_init(struct collection *col);
+void collection_add(struct collection *col, void *element);
+void collection_remove(struct collection *col, void *element);
+int collection_count(struct collection *col);
+void collection_free(struct collection *col);
+void collection_copy(struct collection *dest, struct collection *src);
+
+#define MERGE_(a,b) a ## _ ## b
+#define LABEL_(a,b) MERGE_(a, b)
+#define UNIQUE_VAR(a) LABEL_(a, __LINE__)
+
+#define FOREACH(var, col) \
+        do { \
+                int UNIQUE_VAR(_iter); \
+                for(UNIQUE_VAR(_iter)=0; UNIQUE_VAR(_iter)<(col)->capacity; UNIQUE_VAR(_iter)++) { \
+                        if(!(col)->list[UNIQUE_VAR(_iter)]) continue; \
+                        var = (col)->list[UNIQUE_VAR(_iter)];
+
+#define ENDFOREACH \
+                } \
+        } while(0);
+
+#endif