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76 lines
2.5 KiB
Diff
76 lines
2.5 KiB
Diff
From https://bugs.gentoo.org/918988
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From: Alfred Wingate <parona@protonmail.com>
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Date: Mon, 20 May 2024 22:02:08 +0300
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Subject: [PATCH] Do not use LFS shims, rely on _FILE_OFFSET_BITS=64
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See https://savannah.gnu.org/bugs/?65751 and https://bugs.gentoo.org/918988
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Setting _FILE_OFFSET_BITS=64 is enough to get the LFS interface,
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using LFS shims is unnecessary on 64-bit systems and they may
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not be available on 32-bit systems on glibc.
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Signed-off-by: Alfred Wingate <parona@protonmail.com>
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--- a/configure.ac
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+++ b/configure.ac
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@@ -547,10 +547,10 @@ AC_DEFINE_UNQUOTED(LIBCDIO_SOURCE_PATH, "$LIBCDIO_SOURCE_PATH",
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[Full path to libcdio top_sourcedir.])
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AC_SUBST(LIBCDIO_SOURCE_PATH)
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-AC_CHECK_FUNCS( [chdir drand48 fseeko fseeko64 ftruncate geteuid getgid \
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- getuid getpwuid gettimeofday lseek64 lstat memcpy memset mkstemp rand \
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- seteuid setegid snprintf setenv strndup unsetenv tzset sleep \
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- _stati64 usleep vsnprintf readlink realpath gmtime_r localtime_r] )
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+AC_CHECK_FUNCS( [chdir drand48 fseeko ftruncate geteuid getgid getuid \
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+ getpwuid gettimeofday lstat memcpy memset mkstemp rand seteuid \
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+ setegid snprintf setenv strndup unsetenv tzset sleep _stati64 \
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+ usleep vsnprintf readlink realpath gmtime_r localtime_r] )
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# check for timegm() support
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AC_CHECK_FUNC(timegm, AC_DEFINE(HAVE_TIMEGM,1,
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--- a/lib/driver/_cdio_generic.c
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+++ b/lib/driver/_cdio_generic.c
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@@ -55,16 +55,6 @@
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#define PATH_MAX 4096
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#endif
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-/* If available and LFS is enabled, try to use lseek64 */
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-#if defined(HAVE_LSEEK64) && defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
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-#if defined(_MSC_VER)
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-#include <io.h>
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-#endif
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-#define CDIO_LSEEK lseek64
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-#else
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-#define CDIO_LSEEK lseek
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-#endif
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-
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/*!
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Eject media -- there's nothing to do here. We always return -2.
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Should we also free resources?
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@@ -170,7 +160,7 @@ off_t
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cdio_generic_lseek (void *user_data, off_t offset, int whence)
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{
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generic_img_private_t *p_env = user_data;
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- return CDIO_LSEEK(p_env->fd, offset, whence);
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+ return lseek(p_env->fd, offset, whence);
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}
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/*!
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--- a/lib/driver/_cdio_stdio.c
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+++ b/lib/driver/_cdio_stdio.c
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@@ -47,11 +47,7 @@
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#include "_cdio_stdio.h"
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#include "cdio_assert.h"
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-/* On 32 bit platforms, fseek can only access streams of 2 GB or less.
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- Prefer fseeko/fseeko64, that take a 64 bit offset when LFS is enabled */
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-#if defined(HAVE_FSEEKO64) && defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
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-#define CDIO_FSEEK fseeko64
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-#elif defined(HAVE_FSEEKO)
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+#if defined(HAVE_FSEEKO)
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#define CDIO_FSEEK fseeko
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#else
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#define CDIO_FSEEK fseek
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--
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2.45.1
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