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Allow fseeko in pg_dump only if fseeko() will work for all supported file

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This commit is contained in:
Bruce Momjian
2002-10-25 01:33:17 +00:00
parent 2908a838ac
commit fc5c577e34
6 changed files with 41 additions and 13 deletions
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28
src/bin/pg_dump/pg_backup_archiver.c
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@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.59 2002/10/22 19:15:23 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.c,v 1.60 2002/10/25 01:33:17 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -2338,6 +2338,32 @@ ReadHead(ArchiveHandle *AH)
}
/*
* checkSeek
* check to see if fseek can be performed.
*/
bool
checkSeek(FILE *fp)
{
if (fseek(fp, 0, SEEK_CUR) != 0)
return false;
else if (sizeof(off_t) > sizeof(long))
/*
* At this point, off_t is too large for long, so we return
* based on whether an off_t version of fseek is available.
*/
#ifdef HAVE_FSEEKO
return true;
#else
return false;
#endif
else
return true;
}
static void
_SortToc(ArchiveHandle *AH, TocSortCompareFn fn)
{