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util: make size macros unsigned

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By making them unsigned comparing them with other sizes is less likely
to trigger compiler warnings regarding signed/unsigned comparisons.
After all sizes (i.e. size_t) are generally assumed to be unsigned, so
these should be too.

Prompted-by: https://github.com/systemd/systemd/pull/17345#issuecomment-709402332
This commit is contained in:
Lennart Poettering
2020-10-20 15:51:48 +09:00
committed by Yu Watanabe
parent 0ce8a9d6e5
commit 67bd5620f6
4 changed files with 10 additions and 7 deletions
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src/basic/time-util.h
+4 -4
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@@ -63,10 +63,10 @@ typedef enum TimestampStyle {
/* We assume a maximum timezone length of 6. TZNAME_MAX is not defined on Linux, but glibc internally initializes this
* to 6. Let's rely on that. */
#define FORMAT_TIMESTAMP_MAX (3+1+10+1+8+1+6+1+6+1)
#define FORMAT_TIMESTAMP_WIDTH 28 /* when outputting, assume this width */
#define FORMAT_TIMESTAMP_RELATIVE_MAX 256
#define FORMAT_TIMESPAN_MAX 64
#define FORMAT_TIMESTAMP_MAX (3U+1U+10U+1U+8U+1U+6U+1U+6U+1U)
#define FORMAT_TIMESTAMP_WIDTH 28U /* when outputting, assume this width */
#define FORMAT_TIMESTAMP_RELATIVE_MAX 256U
#define FORMAT_TIMESPAN_MAX 64U
#define TIME_T_MAX (time_t)((UINTMAX_C(1) << ((sizeof(time_t) << 3) - 1)) - 1)