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In fgetpos() and fsetpos(), use ftello() and fseeko(), respectively, to avoid

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truncating the value stored in the fpos_t object operated on to that of a
long integer; adresses PR lib/6637.
This commit is contained in:
kleink 2000-07-08 13:51:27 +00:00
parent 1a4d443770
commit 7c5b39585f
2 changed files with 8 additions and 6 deletions
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7
lib/libc/stdio/fgetpos.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: fgetpos.c,v 1.9 1999/09/20 04:39:26 lukem Exp $ */
/* $NetBSD: fgetpos.c,v 1.10 2000/07/08 13:51:27 kleink Exp $ */
/*-
* Copyright (c) 1990, 1993
@ -41,10 +41,11 @@
#if 0
static char sccsid[] = "@(#)fgetpos.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: fgetpos.c,v 1.9 1999/09/20 04:39:26 lukem Exp $");
__RCSID("$NetBSD: fgetpos.c,v 1.10 2000/07/08 13:51:27 kleink Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
@ -57,5 +58,5 @@ fgetpos(fp, pos)
_DIAGASSERT(fp != NULL);
_DIAGASSERT(pos != NULL);
return((*pos = ftell(fp)) == (fpos_t)-1);
return((*pos = (off_t)ftello(fp)) == (off_t)-1);
}

7
lib/libc/stdio/fsetpos.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: fsetpos.c,v 1.8 1999/09/20 04:39:29 lukem Exp $ */
/* $NetBSD: fsetpos.c,v 1.9 2000/07/08 13:51:27 kleink Exp $ */
/*-
* Copyright (c) 1990, 1993
@ -41,10 +41,11 @@
#if 0
static char sccsid[] = "@(#)fsetpos.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: fsetpos.c,v 1.8 1999/09/20 04:39:29 lukem Exp $");
__RCSID("$NetBSD: fsetpos.c,v 1.9 2000/07/08 13:51:27 kleink Exp $");
#endif
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
@ -60,5 +61,5 @@ fsetpos(iop, pos)
_DIAGASSERT(iop != NULL);
_DIAGASSERT(pos != NULL);
return (fseek(iop, (long)*pos, SEEK_SET));
return (fseeko(iop, (off_t)*pos, SEEK_SET));
}