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Add fseeko for NetBSD.

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This commit is contained in:
Bruce Momjian
2002-10-24 03:11:05 +00:00
parent d36caf103b
commit 4668d54f0b
4 changed files with 24 additions and 12 deletions
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4
src/include/c.h
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@@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: c.h,v 1.129 2002/10/23 23:37:47 momjian Exp $
* $Id: c.h,v 1.130 2002/10/24 03:11:05 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -639,7 +639,7 @@ typedef NameData *Name;
#include <unistd.h>
#endif
#if defined(bsdi)
#if defined(bsdi) || defined(netbsd)
int fseeko(FILE *stream, off_t offset, int whence);
off_t ftello(FILE *stream);
#endif

20
src/port/fseeko.c
View File

@@ -8,12 +8,12 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/port/fseeko.c,v 1.3 2002/10/23 21:39:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/port/fseeko.c,v 1.4 2002/10/24 03:11:05 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifdef __bsdi__
#if defined(bsdi) || defined(netbsd)
#include <pthread.h>
#include <stdio.h>
@@ -22,11 +22,11 @@
#include <errno.h>
/*
* On BSD/OS, off_t and fpos_t are the same. Standards say
* off_t is an arithmetic type, but not necessarily integral,
* On BSD/OS and NetBSD, off_t and fpos_t are the same. Standards
* say off_t is an arithmetic type, but not necessarily integral,
* while fpos_t might be neither.
*
* This is thread-safe using flockfile/funlockfile.
* This is thread-safe on BSD/OS using flockfile/funlockfile.
*/
int
@@ -38,13 +38,17 @@ fseeko(FILE *stream, off_t offset, int whence)
switch (whence)
{
case SEEK_CUR:
#ifdef bsdi
flockfile(stream);
#endif
if (fgetpos(stream, &floc) != 0)
goto failure;
floc += offset;
if (fsetpos(stream, &floc) != 0)
goto failure;
#ifdef bsdi
flockfile(stream);
#endif
return 0;
break;
case SEEK_SET:
@@ -53,13 +57,17 @@ fseeko(FILE *stream, off_t offset, int whence)
return 0;
break;
case SEEK_END:
#ifdef bsdi
flockfile(stream);
#endif
if (fstat(fileno(stream), &filestat) != 0)
goto failure;
floc = filestat.st_size;
if (fsetpos(stream, &floc) != 0)
goto failure;
#ifdef bsdi
funlockfile(stream);
#endif
return 0;
break;
default:
@@ -68,7 +76,9 @@ fseeko(FILE *stream, off_t offset, int whence)
}
failure:
#ifdef bsdi
funlockfile(stream);
#endif
return -1;
}