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Add a LIST_HEADER macro

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To save us from specifying the `next' and `prev' pointers all the time.

It's not perfect, just a tiny bit better.
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Přemysl Eric Janouch
2014-07-18 19:51:15 +02:00
parent 353230b18b
commit 43d34d2473
3 changed files with 7 additions and 11 deletions
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7
src/common.c
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@@ -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'