From 43d34d2473917521376f7d56126779f941205105 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C5=99emysl=20Janouch?= Date: Fri, 18 Jul 2014 19:51:15 +0200 Subject: Add a LIST_HEADER macro To save us from specifying the `next' and `prev' pointers all the time. It's not perfect, just a tiny bit better. --- src/common.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'src/common.c') diff --git a/src/common.c b/src/common.c index 4b72e39..96548d9 100644 --- a/src/common.c +++ b/src/common.c @@ -254,7 +254,9 @@ xstrndup (const char *s, size_t n) // --- Double-linked list helpers ---------------------------------------------- -// The links of the list need to have the members `prev' and `next'. +#define LIST_HEADER(type) \ + struct type *next; \ + struct type *prev; #define LIST_PREPEND(head, link) \ BLOCK_START \ @@ -562,8 +564,7 @@ error_propagate (struct error **destination, struct error *source) struct str_map_link { - struct str_map_link *next; ///< The next link in a chain - struct str_map_link *prev; ///< The previous link in a chain + LIST_HEADER (str_map_link) void *data; ///< Payload size_t key_length; ///< Length of the key without '\0' -- cgit v1.2.3