From 43003cbc26315aaaee342158939c3b3504f367d0 Mon Sep 17 00:00:00 2001 From: Nikias Bassen Date: Thu, 5 Sep 2019 08:41:42 +0200 Subject: Add missing files for previous commit I shouldn't do late night commits without checking that I added all files --- src/utils.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 src/utils.h (limited to 'src/utils.h') 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 + * Copyright (C) 2009 Nikias Bassen + * + * 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 -- cgit v1.1-32-gdbae