macro: don't redefine CLAMP if it is already defined by glib or some other library

[elogind.git] / src / shared / macro.h

diff --git a/src/shared/macro.h b/src/shared/macro.h
index 700171b8324e45bc2b4c48e1b01b5c8e486ff4ef..e5c33ce5617653861dc9f53acae848709c75a864 100644 (file)
--- a/src/shared/macro.h
+++ b/src/shared/macro.h
@@ -92,6 +92,7 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
 #define MIN3(a,b,c)                             \
         MIN(MIN(a,b),c)
 
+#ifndef CLAMP
 #define CLAMP(x, low, high)                                             \
         __extension__ ({                                                \
                         typeof(x) _x = (x);                             \
@@ -99,6 +100,7 @@ static inline size_t ALIGN_TO(size_t l, size_t ali) {
                         typeof(high) _high = (high);                    \
                         ((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
                 })
+#endif
 
 #define assert_se(expr)                                                 \
         do {                                                            \
@@ -196,10 +198,14 @@ static inline size_t IOVEC_INCREMENT(struct iovec *i, unsigned n, size_t k) {
 
 #define _cleanup_free_ __attribute__((cleanup(freep)))
 #define _cleanup_fclose_ __attribute__((cleanup(fclosep)))
+#define _cleanup_pclose_ __attribute__((cleanup(pclosep)))
 #define _cleanup_close_ __attribute__((cleanup(closep)))
 #define _cleanup_closedir_ __attribute__((cleanup(closedirp)))
 #define _cleanup_umask_ __attribute__((cleanup(umaskp)))
+#define _cleanup_set_free_ __attribute__((cleanup(set_freep)))
+#define _cleanup_set_free_free_ __attribute__((cleanup(set_free_freep)))
 #define _cleanup_strv_free_ __attribute__((cleanup(strv_freep)))
+#define _cleanup_journal_close_ __attribute__((cleanup(journal_closep)))
 
 #define VA_FORMAT_ADVANCE(format, ap)                                   \
 do {                                                                    \