[PATCH 2/2] thread: pacify gcc -Wbad-function-cast

[Paul Eggert]

* lib/glthread/thread.h (gl_thread_self_pointer): With POSIX
threads, cast the call to gl_thread_t before casting to void *.
---
 ChangeLog             | 4 ++++
 lib/glthread/thread.h | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 159bb007ca..634aa8797f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2022-10-30  Paul Eggert  <eggert@cs.ucla.edu>
 
+       thread: pacify gcc -Wbad-function-cast
+       * lib/glthread/thread.h (gl_thread_self_pointer): With POSIX
+       threads, cast the call to gl_thread_t before casting to void *.
+
        test-getlogin: pacify gcc -Wshadow
        * tests/test-getlogin.h (test_getlogin_result): Rename local.
 
diff --git a/lib/glthread/thread.h b/lib/glthread/thread.h
index 6d98f2d6ac..bb60d8a0fb 100644
--- a/lib/glthread/thread.h
+++ b/lib/glthread/thread.h
@@ -228,7 +228,7 @@ extern const gl_thread_t gl_null_thread;
 #  define gl_thread_self() \
      (pthread_in_use () ? pthread_self () : (pthread_t) 0)
 #  define gl_thread_self_pointer() \
-     (pthread_in_use () ? (void *) pthread_self () : NULL)
+     (pthread_in_use () ? (void *) (pthread_t) pthread_self () : NULL)
 # endif
 # define gl_thread_exit(RETVAL) \
     (void) (pthread_in_use () ? (pthread_exit (RETVAL), 0) : 0)
-- 
2.37.3