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std-aux: add _NM_INT_IS_SIGNED() and _NM_INT_SAME_SIGNEDNESS() macros

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Thomas Haller 2023-07-28 11:33:38 +02:00
parent 5ff1468717
commit 3732f08319
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GPG key ID: 29C2366E4DFC5728
2 changed files with 13 additions and 0 deletions
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7
src/libnm-glib-aux/tests/test-shared-general.c
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@ -32,6 +32,13 @@ G_STATIC_ASSERT(_nm_alignof(NMEtherAddr) <= _nm_alignof(NMIPAddr));
/*****************************************************************************/
G_STATIC_ASSERT(_NM_INT_IS_SIGNED(1));
G_STATIC_ASSERT(!_NM_INT_IS_SIGNED(1u));
G_STATIC_ASSERT(_NM_INT_SAME_SIGNEDNESS((short) 1, 1l));
G_STATIC_ASSERT(!_NM_INT_SAME_SIGNEDNESS((unsigned short) 1, 1l));
/*****************************************************************************/
static void
test_nm_static_assert(void)
{

6
src/libnm-std-aux/nm-std-aux.h
View file

@ -154,6 +154,12 @@ typedef uint64_t _nm_bitwise nm_be64_t;
/*****************************************************************************/
#define _NM_INT_IS_SIGNED(arg) (!(((typeof(arg)) -1) > 0))
#define _NM_INT_SAME_SIGNEDNESS(arg1, arg2) (_NM_INT_IS_SIGNED(arg1) == _NM_INT_IS_SIGNED(arg2))
/*****************************************************************************/
#define NM_PASTE_ARGS(identifier1, identifier2) identifier1##identifier2
#define NM_PASTE(identifier1, identifier2) NM_PASTE_ARGS(identifier1, identifier2)