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-rw-r--r--include/stdlib.h2
-rw-r--r--include/sys/wait.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/include/stdlib.h b/include/stdlib.h
index b117a452..475190bf 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -95,7 +95,7 @@ size_t __ctype_get_mb_cur_max(void);
 #define WTERMSIG(s) ((s) & 0x7f)
 #define WSTOPSIG(s) WEXITSTATUS(s)
 #define WIFEXITED(s) (!WTERMSIG(s))
-#define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001)>>8) > 0x7f00)
+#define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001U)>>8) > 0x7f00)
 #define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
 
 int posix_memalign (void **, size_t, size_t);
diff --git a/include/sys/wait.h b/include/sys/wait.h
index d4b1f2e1..8ced671b 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -50,7 +50,7 @@ pid_t wait4 (pid_t, int *, int, struct rusage *);
 #define WSTOPSIG(s) WEXITSTATUS(s)
 #define WCOREDUMP(s) ((s) & 0x80)
 #define WIFEXITED(s) (!WTERMSIG(s))
-#define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001)>>8) > 0x7f00)
+#define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001U)>>8) > 0x7f00)
 #define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
 #define WIFCONTINUED(s) ((s) == 0xffff)