stdlib tests: Avoid code duplication.

[gnulib.git] / tests / test-sys_wait.c

diff --git a/tests/test-sys_wait.c b/tests/test-sys_wait.c
index e9e63b6..6ab3ebf 100644 (file)
--- a/tests/test-sys_wait.c
+++ b/tests/test-sys_wait.c
@@ -23,41 +23,25 @@
 /* Check for existence of required types.  */
 static pid_t a;
 
+#include "test-sys_wait.h"
+
 int
 main (void)
 {
-  /* Check for existence of required macros.  Note that we document
-     that these are safe only on lvalues.  */
-  int i;
-  for (i = 0; i < 0x10000; i = (i ? i << 1 : 1))
-    {
-      /* POSIX requires that for all valid process statuses, that
-         exactly one of these three macros is true.  But not all
-         possible 16-bit values map to valid process status.
-         Traditionally, 8 of the bits are for WIFEXITED, 7 of the bits
-         to tell between WIFSIGNALED and WIFSTOPPED, and either 0x80
-         or 0x8000 to flag that core was also dumped.  Since we don't
-         know which byte is WIFEXITED, we skip the both possible bits
-         that can signal core dump.  */
-      if (i == 0x80)
-        continue;
-      if (!!WIFSIGNALED (i) + !!WIFEXITED (i) + !!WIFSTOPPED (i) != 1)
-        return 1;
-    }
-  i = WEXITSTATUS (i) + WSTOPSIG (i) + WTERMSIG (i);
+  if (test_sys_wait_macros ())
+    return 1;
 
-  switch (i)
+  switch (0)
     {
 #if 0
   /* Gnulib doesn't guarantee these, yet.  */
     case WCONTINUED:
-    case WNOHANG:
-    case WUNTRACED:
     case WEXITED:
     case WNOWAIT:
     case WSTOPPED:
 #endif
       break;
     }
-  return a ? i : 0;
+
+  return a ? 1 : 0;
 }