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Add CACHE_REPLACE(dst, src) macro for common case in string setters.

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@12319 57a11ea4-9604-0410-9ed3-97b8803252fd
This commit is contained in:
Chris Shoemaker 2006-01-11 04:27:02 +00:00
parent eaa9d47eab
commit 32a5612d4c
1 changed files with 16 additions and 2 deletions
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18
lib/libqof/qof/gnc-engine-util.h
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@ -305,8 +305,22 @@ void gnc_string_cache_remove(gconstpointer key);
*/
gpointer gnc_string_cache_insert(gconstpointer key);
#define CACHE_INSERT(str) gnc_string_cache_insert((gconstpointer)(str));
#define CACHE_REMOVE(str) gnc_string_cache_remove((str));
#define CACHE_INSERT(str) gnc_string_cache_insert((gconstpointer)(str))
#define CACHE_REMOVE(str) gnc_string_cache_remove((str))
/* Replace cached string currently in 'dst' with string in 'src'.
* Typical usage:
* void foo_set_name(Foo *f, const char *str) {
* CACHE_REPLACE(f->name, str);
* }
* It avoids unnecessary ejection by doing INSERT before REMOVE.
*/
#define CACHE_REPLACE(dst, src) do { \
gpointer tmp = CACHE_INSERT((src)); \
CACHE_REMOVE((dst)); \
(dst) = tmp; \
} while (0)
#endif /* QOF_UTIL_H */
/** @} */