process-util: replace PTR_TO_PID() and PID_TO_PTR macro by inline functions

This way we gain some typesafety at no cost.

diff --git a/src/basic/process-util.h b/src/basic/process-util.h
index 267888a625084a5b89422873c8babbab4a45fa7c..f904d127056cf3f0fa946973504451ce2edbeead 100644 (file)
--- a/src/basic/process-util.h
+++ b/src/basic/process-util.h
@@ -116,8 +116,13 @@ int sigchld_code_from_string(const char *s) _pure_;
 int sched_policy_to_string_alloc(int i, char **s);
 int sched_policy_from_string(const char *s);
 
-#define PTR_TO_PID(p) ((pid_t) ((uintptr_t) p))
-#define PID_TO_PTR(p) ((void*) ((uintptr_t) p))
+static inline pid_t PTR_TO_PID(const void *p) {
+        return (pid_t) ((uintptr_t) p);
+}
+
+static inline void* PID_TO_PTR(pid_t pid) {
+        return (void*) ((uintptr_t) pid);
+}
 
 void valgrind_summary_hack(void);