database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-19 13:42:17 +03:00
Code Activity

Add const to BufFileWrite

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

8
src/backend/utils/sort/logtape.c
View File

@@ -220,7 +220,7 @@ struct LogicalTapeSet
};
static LogicalTape *ltsCreateTape(LogicalTapeSet *lts);
static void ltsWriteBlock(LogicalTapeSet *lts, long blocknum, void *buffer);
static void ltsWriteBlock(LogicalTapeSet *lts, long blocknum, const void *buffer);
static void ltsReadBlock(LogicalTapeSet *lts, long blocknum, void *buffer);
static long ltsGetBlock(LogicalTapeSet *lts, LogicalTape *lt);
static long ltsGetFreeBlock(LogicalTapeSet *lts);
@@ -235,7 +235,7 @@ static void ltsInitReadBuffer(LogicalTape *lt);
* No need for an error return convention; we ereport() on any error.
*/
static void
ltsWriteBlock(LogicalTapeSet *lts, long blocknum, void *buffer)
ltsWriteBlock(LogicalTapeSet *lts, long blocknum, const void *buffer)
{
/*
* BufFile does not support "holes", so if we're about to write a block
@@ -759,7 +759,7 @@ LogicalTapeSetForgetFreeSpace(LogicalTapeSet *lts)
* There are no error returns; we ereport() on failure.
*/
void
LogicalTapeWrite(LogicalTape *lt, void *ptr, size_t size)
LogicalTapeWrite(LogicalTape *lt, const void *ptr, size_t size)
{
LogicalTapeSet *lts = lt->tapeSet;
size_t nthistime;
@@ -826,7 +826,7 @@ LogicalTapeWrite(LogicalTape *lt, void *ptr, size_t size)
lt->pos += nthistime;
if (lt->nbytes < lt->pos)
lt->nbytes = lt->pos;
ptr = (char *) ptr + nthistime;
ptr = (const char *) ptr + nthistime;
size -= nthistime;
}
}