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Use consistent style for checking return from system calls

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Use

    if (something() != 0)
        error ...

instead of just

    if (something)
        error ...

The latter is not incorrect, but it's a bit confusing and not the
common style.

Discussion: https://www.postgresql.org/message-id/flat/5de61b6b-8be9-7771-0048-860328efe027%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2019-07-06 23:18:46 +02:00
parent d1a040543b
commit 7e9a4c5c3d
19 changed files with 45 additions and 45 deletions
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2
src/backend/storage/ipc/dsm_impl.c
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@ -917,7 +917,7 @@ dsm_impl_mmap(dsm_op op, dsm_handle handle, Size request_size,
*mapped_address = address;
*mapped_size = request_size;
if (CloseTransientFile(fd))
if (CloseTransientFile(fd) != 0)
{
ereport(elevel,
(errcode_for_file_access(),