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internal: Add CONCAT macro

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Using the two-step idiom to force resolution of other macros, e.g.:

  #define bar BAR
  CONCAT_(foo, bar)     // foobar
  CONCAT(foo, bar)      // fooBAR

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This commit is contained in:
Tim Wiederhake 2021-08-25 10:25:32 +02:00
parent f468f0a634
commit 3f19e116cd
1 changed files with 3 additions and 0 deletions
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src/internal.h
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@ -100,6 +100,9 @@
#define STREQ_NULLABLE(a, b) (g_strcmp0(a, b) == 0) #define STREQ_NULLABLE(a, b) (g_strcmp0(a, b) == 0)
#define STRNEQ_NULLABLE(a, b) (g_strcmp0(a, b) != 0) #define STRNEQ_NULLABLE(a, b) (g_strcmp0(a, b) != 0)
#define CONCAT_(a, b) a ## b
#define CONCAT(a, b) CONCAT_(a, b)
#ifdef WIN32 #ifdef WIN32
# ifndef O_CLOEXEC # ifndef O_CLOEXEC
# define O_CLOEXEC _O_NOINHERIT # define O_CLOEXEC _O_NOINHERIT