system/NetworkManager
system/NetworkManager
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/NetworkManager/NetworkManager synced 2024-09-06 00:55:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

shared: add nm_steal_int() helper

Browse source
This commit is contained in:
Thomas Haller 2018-02-07 17:38:57 +01:00
parent 4e5bef3951
commit d46de19a9a
1 changed files with 19 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
shared/nm-utils/nm-macros-internal.h
View file

@ -1318,6 +1318,25 @@ nm_decode_version (guint version, guint *major, guint *minor, guint *micro)
/*****************************************************************************/
/**
* nm_steal_int:
* @p_val: pointer to an int type.
*
* Returns: *p_val and sets *p_val to zero the same time.
* Accepts %NULL, in which case also numeric 0 will be returned.
*/
#define nm_steal_int(p_val) \
({ \
typeof (p_val) const _p_val = (p_val); \
typeof (*_p_val) _val = 0; \
\
if ( _p_val \
&& (_val = *_p_val)) { \
*_p_val = 0; \
} \
_val; \
})
static inline int
nm_steal_fd (int *p_fd)
{