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util: add check that makes sure time_t and TIME_T_MAX work the way we assume they do
[elogind.git]
/
src
/
basic
/
time-util.h
diff --git
a/src/basic/time-util.h
b/src/basic/time-util.h
index 3d6dbff35ccadd5f98932711b5dc0d1ee448b907..61f263baeaaeb666c1002e702766df7517335177 100644
(file)
--- a/
src/basic/time-util.h
+++ b/
src/basic/time-util.h
@@
-69,7
+69,7
@@
typedef struct dual_timestamp {
#define FORMAT_TIMESTAMP_RELATIVE_MAX 256
#define FORMAT_TIMESPAN_MAX 64
#define FORMAT_TIMESTAMP_RELATIVE_MAX 256
#define FORMAT_TIMESPAN_MAX 64
-#define TIME_T_MAX (time_t)((
1UL
<< ((sizeof(time_t) << 3) - 1)) - 1)
+#define TIME_T_MAX (time_t)((
UINTMAX_C(1)
<< ((sizeof(time_t) << 3) - 1)) - 1)
#define DUAL_TIMESTAMP_NULL ((struct dual_timestamp) { 0ULL, 0ULL })
#define DUAL_TIMESTAMP_NULL ((struct dual_timestamp) { 0ULL, 0ULL })