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Cast result of i64abs() back to int64

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Without the cast, the return type could be long or long long,
depending on what int64 is underneath.  This doesn't affect code
correctness, but it could result in format-mismatch warnings when
attempting to printf such values using PRId64.

Reported-by: Thomas Munro <thomas.munro@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/CA+hUKGJc4s+Wyb3EFOQNN9VVK+Qv40r2LK41o9PkS9ThxviTvQ@mail.gmail.com
This commit is contained in:
Peter Eisentraut 2025-03-28 14:05:45 +01:00
parent 83ccc85859
commit 2247281c47
1 changed files with 2 additions and 2 deletions
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4
src/include/c.h
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@ -1278,9 +1278,9 @@ extern int fdatasync(int fildes);
* Similarly, wrappers around labs()/llabs() matching our int64. * Similarly, wrappers around labs()/llabs() matching our int64.
*/ */
#if SIZEOF_LONG == 8 #if SIZEOF_LONG == 8
#define i64abs(i) labs(i) #define i64abs(i) ((int64) labs(i))
#elif SIZEOF_LONG_LONG == 8 #elif SIZEOF_LONG_LONG == 8
#define i64abs(i) llabs(i) #define i64abs(i) ((int64) llabs(i))
#else #else
#error "cannot find integer type of the same size as int64_t" #error "cannot find integer type of the same size as int64_t"
#endif #endif