Workaround 'uninitialized variable' cppcheck error in hpc/hppa.h

* src/atomic_ops/sysdeps/hpc/hppa.h [CPPCHECK] (AO_test_and_set_full):
Initialize "ret" local variable (to zero) before AO_ldcw call; add
comment.

diff --git a/src/atomic_ops/sysdeps/hpc/hppa.h b/src/atomic_ops/sysdeps/hpc/hppa.h
index f2f1dcf..27f3fa7 100644 (file)
--- a/src/atomic_ops/sysdeps/hpc/hppa.h
+++ b/src/atomic_ops/sysdeps/hpc/hppa.h
@@ -80,6 +80,9 @@ AO_test_and_set_full(volatile AO_TS_t * addr)
   register unsigned int ret;
   register unsigned long a = (unsigned long)AO_ldcw_align(addr);
 
+# if defined(CPPCHECK)
+    ret = 0; /* to void 'uninitialized variable' warning */
+# endif
   AO_ldcw(a, ret);
   return (AO_TS_VAL_t)ret;
 }