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Core: add new macros to traverse lists 

* lasso/utils.h:
   lasso_foreach_full_begin(_type, _data, _iter, _list)
   traverse GList* _list, using _iter as iteration variable
   extract data field to variable _data of type _type.
This commit is contained in:
Benjamin Dauvergne 2009-09-11 15:51:51 +00:00
parent 54ede0b981
commit 4074c22a13
1 changed files with 20 additions and 0 deletions
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20
lasso/utils.h
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@ -418,6 +418,26 @@
#define lasso_foreach(_iter, _list) \
for (_iter = (_list); _iter; _iter = g_list_next(_iter))
/**
* lasso_foreach_full_begin:
* @_type: the type of the variable @_data
* @_data: the name of the variable to define to store data values
* @_iter: the name of the variable to define to store the iterator
* @_list: the GList* to iterate
*
* Traverse a GList* @_list, using @_iter as iteration variable extract data field to variable
* @_data of type @_type.
*/
#define lasso_foreach_full_begin(_type, _data, _iter, _list) \
{ \
_type _data = NULL; \
GList *_iter = NULL; \
for (_iter = (_list); _iter && ((_data = _iter->data), 1); _iter = g_list_next(_iter)) \
{
#define lasso_foreach_full_end() \
} }
/* Declare type of element in a container */
#ifndef OFTYPE
#define OFTYPE(x)