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| author | Bruce Momjian <bruce@momjian.us> | 1997-01-25 21:01:16 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 1997-01-25 21:01:16 +0000 |
| commit | 4eadf2d6cd1aef35bea694ae9938cb4d74cf9239 (patch) | |
| tree | 060428d1524c5bc1fa9493a62a2773455586c769 /src/backend/storage/buffer/buf_init.c | |
| parent | 37e86216237ad284fc92b2cd017613765b9e062b (diff) | |
| download | postgresql-4eadf2d6cd1aef35bea694ae9938cb4d74cf9239.tar.gz postgresql-4eadf2d6cd1aef35bea694ae9938cb4d74cf9239.zip | |
More autosize structure error checks.
Diffstat (limited to 'src/backend/storage/buffer/buf_init.c')
| -rw-r--r-- | src/backend/storage/buffer/buf_init.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/storage/buffer/buf_init.c b/src/backend/storage/buffer/buf_init.c index c16988fc119..1dacabacc88 100644 --- a/src/backend/storage/buffer/buf_init.c +++ b/src/backend/storage/buffer/buf_init.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.5 1997/01/23 18:14:40 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/buffer/buf_init.c,v 1.6 1997/01/25 21:01:16 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -136,7 +136,10 @@ InitBufferPool(IPCKey key) int i; /* check padding of BufferDesc and BufferHdr */ - if (sizeof(struct sbufdesc) != PADDED_SBUFDESC_SIZE) + /* we need both checks because a sbufdesc_padded > PADDED_SBUFDESC_SIZE + will shrink sbufdesc to the required size, which is bad */ + if (sizeof(struct sbufdesc) != PADDED_SBUFDESC_SIZE || + sizeof(struct sbufdesc_padded) > PADDED_SBUFDESC_SIZE) elog(WARN,"Internal error: sbufdesc does not have the proper size, " "contact the Postgres developers"); if (sizeof(struct sbufdesc_unpadded) <= PADDED_SBUFDESC_SIZE/2) |