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Add const to BufFileWrite

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Make data buffer argument to BufFileWrite a const pointer and bubble
this up to various callers and related APIs.  This makes the APIs
clearer and more consistent.

Discussion: https://www.postgresql.org/message-id/flat/11dda853-bb5b-59ba-a746-e168b1ce4bdb%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-12-30 10:02:59 +01:00
parent 5f2f99c9c6
commit faf3750657
6 changed files with 12 additions and 12 deletions
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4
src/backend/access/gist/gistbuildbuffers.c
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@ -38,7 +38,7 @@ static long gistBuffersGetFreeBlock(GISTBuildBuffers *gfbb);
static void gistBuffersReleaseBlock(GISTBuildBuffers *gfbb, long blocknum);
static void ReadTempFileBlock(BufFile *file, long blknum, void *ptr);
static void WriteTempFileBlock(BufFile *file, long blknum, void *ptr);
static void WriteTempFileBlock(BufFile *file, long blknum, const void *ptr);
/*
@ -764,7 +764,7 @@ ReadTempFileBlock(BufFile *file, long blknum, void *ptr)
}
static void
WriteTempFileBlock(BufFile *file, long blknum, void *ptr)
WriteTempFileBlock(BufFile *file, long blknum, const void *ptr)
{
if (BufFileSeekBlock(file, blknum) != 0)
elog(ERROR, "could not seek to block %ld in temporary file", blknum);