posix: Add glob64 with 64-bit time_t support

The glob might pass a different stat struct for gl_stat and gl_lstat
when GLOB_ALTDIRFUNC is used.  This requires add a new 64-bit time
version that also uses 64-bit time stat functions.

Checked on i686-linux-gnu and x86_64-linux-gnu.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Adhemerval Zanella 2021-03-02 20:17:07 -03:00
parent 47f24c21ee
commit 84f7ce8447
35 changed files with 307 additions and 40 deletions

View File

@ -2,11 +2,39 @@
#include <posix/glob.h>
#ifndef _ISOMAC
# include <sys/types.h>
libc_hidden_proto (glob)
libc_hidden_proto (glob64)
libc_hidden_proto (globfree)
libc_hidden_proto (globfree64)
# if __TIMESIZE == 64
# define glob64_time64_t glob64_t
# else
# include <sys/stat.h>
typedef struct
{
size_t gl_pathc;
char **gl_pathv;
size_t gl_offs;
int gl_flags;
void (*gl_closedir) (void *);
struct dirent64 *(*gl_readdir) (void *);
void *(*gl_opendir) (const char *);
int (*gl_lstat) (const char *__restrict, struct __stat64_t64 *__restrict);
int (*gl_stat) (const char *__restrict, struct __stat64_t64 *__restrict);
} glob64_time64_t;
extern int __glob64_time64 (const char *pattern, int flags,
int (*errfunc) (const char *, int),
glob64_time64_t *pglob);
void __globfree64_time64 (glob64_time64_t *pglob);
libc_hidden_proto (__globfree64_time64)
# endif
/* Now define the internal interfaces. */
extern int __glob_pattern_p (const char *__pattern, int __quote);
extern int __glob64 (const char *__pattern, int __flags,

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@ -67,7 +67,9 @@ routines := \
get_child_max sched_cpucount sched_cpualloc sched_cpufree \
streams-compat \
shm-directory \
execveat
execveat \
glob64-time64 \
globfree64-time64
aux := init-posix environ
tests := test-errno tstgetopt testfnm runtests runptests \

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@ -59,25 +59,37 @@
# define readdir(str) __readdir64 (str)
# define getpwnam_r(name, bufp, buf, len, res) \
__getpwnam_r (name, bufp, buf, len, res)
# define struct_stat64 struct stat64
# define FLEXIBLE_ARRAY_MEMBER
# ifndef struct_stat
# define struct_stat struct stat
# endif
# ifndef struct_stat64
# define struct_stat64 struct stat64
# endif
# ifndef GLOB_LSTAT
# define GLOB_LSTAT gl_lstat
# endif
# ifndef GLOB_STAT64
# define GLOB_STAT64 __stat64
# endif
# ifndef GLOB_LSTAT64
# define GLOB_LSTAT64 __lstat64
# endif
# include <shlib-compat.h>
#else /* !_LIBC */
# define __glob glob
# define __getlogin_r(buf, len) getlogin_r (buf, len)
# define __lstat64(fname, buf) lstat (fname, buf)
# if defined _WIN32 && !defined __CYGWIN__
/* Avoid GCC or clang warning. The original __stat64 macro is unused. */
# undef __stat64
# endif
# define __stat64(fname, buf) stat (fname, buf)
# define __fxstatat64(_, d, f, st, flag) fstatat (d, f, st, flag)
# define struct_stat64 struct stat
# ifndef __MVS__
# define __alloca alloca
# endif
# define __readdir readdir
# define COMPILE_GLOB64
# define struct_stat struct stat
# define struct_stat64 struct stat
# define GLOB_LSTAT gl_lstat
# define GLOB_STAT64 stat
# define GLOB_LSTAT64 lstat
#endif /* _LIBC */
#include <fnmatch.h>
@ -196,22 +208,14 @@ glob_lstat (glob_t *pglob, int flags, const char *fullname)
{
/* Use on glob-lstat-compat.c to provide a compat symbol which does not
use lstat / gl_lstat. */
#ifdef GLOB_NO_LSTAT
# define GL_LSTAT gl_stat
# define LSTAT64 __stat64
#else
# define GL_LSTAT gl_lstat
# define LSTAT64 __lstat64
#endif
union
{
struct stat st;
struct_stat st;
struct_stat64 st64;
} ust;
return (__glibc_unlikely (flags & GLOB_ALTDIRFUNC)
? pglob->GL_LSTAT (fullname, &ust.st)
: LSTAT64 (fullname, &ust.st64));
? pglob->GLOB_LSTAT (fullname, &ust.st)
: GLOB_LSTAT64 (fullname, &ust.st64));
}
/* Set *R = A + B. Return true if the answer is mathematically
@ -249,11 +253,11 @@ static int collated_compare (const void *, const void *) __THROWNL;
static bool
is_dir (char const *filename, int flags, glob_t const *pglob)
{
struct stat st;
struct_stat st;
struct_stat64 st64;
return (__glibc_unlikely (flags & GLOB_ALTDIRFUNC)
? pglob->gl_stat (filename, &st) == 0 && S_ISDIR (st.st_mode)
: __stat64 (filename, &st64) == 0 && S_ISDIR (st64.st_mode));
: GLOB_STAT64 (filename, &st64) == 0 && S_ISDIR (st64.st_mode));
}
/* Find the end of the sub-pattern in a brace expression. */

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@ -150,20 +150,42 @@ extern int glob (const char *__restrict __pattern, int __flags,
/* Free storage allocated in PGLOB by a previous `glob' call. */
extern void globfree (glob_t *__pglob) __THROW;
#else
# ifdef __USE_TIME_BITS64
extern int __REDIRECT_NTHNL (glob, (const char *__restrict __pattern,
int __flags,
int (*__errfunc) (const char *, int),
glob_t *__restrict __pglob),
__glob64_time64);
extern void __REDIRECT_NTH (globfree, (glob_t *__pglob),
__globfree64_time64);
# else
extern int __REDIRECT_NTHNL (glob, (const char *__restrict __pattern,
int __flags,
int (*__errfunc) (const char *, int),
glob_t *__restrict __pglob), glob64);
extern void __REDIRECT_NTH (globfree, (glob_t *__pglob), globfree64);
# endif
#endif
#ifdef __USE_LARGEFILE64
# ifdef __USE_TIME_BITS64
extern int __REDIRECT_NTHNL (glob64, (const char *__restrict __pattern,
int __flags,
int (*__errfunc) (const char *, int),
glob64_t *__restrict __pglob),
__glob64_time64);
extern void __REDIRECT_NTH (globfree64, (glob64_t *__pglob),
__globfree64_time64);
# else
extern int glob64 (const char *__restrict __pattern, int __flags,
int (*__errfunc) (const char *, int),
glob64_t *__restrict __pglob) __THROWNL;
extern void globfree64 (glob64_t *__pglob) __THROW;
# endif
#endif

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@ -28,7 +28,8 @@
# define GLOB_ATTRIBUTE attribute_compat_text_section
/* Avoid calling gl_lstat with GLOB_ALTDIRFUNC. */
# define GLOB_NO_LSTAT
# define GLOB_LSTAT gl_stat
# define GLOB_LSTAT64 __stat64
# include <posix/glob64.c>

49
posix/glob64-time64.c Normal file
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@ -0,0 +1,49 @@
/* Long File Support glob with 64-bit time support.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <glob.h>
#include <stddef.h>
#if __TIMESIZE != 64
/* Do glob searching for PATTERN, placing results in PGLOB.
The bits defined above may be set in FLAGS.
If a directory cannot be opened or read and ERRFUNC is not nil,
it is called with the pathname that caused the error, and the
`errno' value from the failing call; if it returns non-zero
`glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
Otherwise, `glob' returns zero. */
int
__glob64_time64 (const char *pattern, int flags,
int (*errfunc) (const char *, int), glob64_time64_t *pglob)
{
if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
{
__set_errno (EINVAL);
return -1;
}
__set_errno (ENOSYS);
return GLOB_NOSYS;
}
stub_warning (glob64)
#endif

30
posix/globfree64-time64.c Normal file
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@ -0,0 +1,30 @@
/* Long File Support globfree with 64-bit time support.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <glob.h>
#if __TIMESIZE != 64
/* Free storage allocated in PGLOB by a previous `glob' call. */
void
__globfree64_time64 (glob64_time64_t *pglob)
{
}
libc_hidden_def (__globfree64_time64)
#endif

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@ -39,7 +39,8 @@
#define GLOB_ATTRIBUTE attribute_compat_text_section
/* Avoid calling gl_lstat with GLOB_ALTDIRFUNC. */
#define GLOB_NO_LSTAT
#define GLOB_LSTAT gl_stat
#define GLOB_LSTAT64 __stat64
#include <posix/glob.c>

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@ -209,6 +209,8 @@ libc {
__getitimer64;
__getrusage64;
__gettimeofday64;
__glob64_time64;
__globfree64_time64;
__gmtime64;
__gmtime64_r;
__localtime64;

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@ -209,6 +209,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -206,6 +206,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2296,6 +2296,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

View File

@ -30,7 +30,11 @@
#define GLOB_ATTRIBUTE attribute_compat_text_section
/* Avoid calling gl_lstat with GLOB_ALTDIRFUNC. */
#define GLOB_NO_LSTAT
#define struct_stat struct stat
#define struct_stat64 struct stat64
#define GLOB_LSTAT gl_stat
#define GLOB_STAT64 __stat64
#define GLOB_LSTAT64 __stat64
#include <posix/glob.c>

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@ -19,6 +19,12 @@
#include <sys/stat.h>
#include <kernel_stat.h>
#define struct_stat struct stat
#define struct_stat64 struct stat64
#define GLOB_LSTAT gl_lstat
#define GLOB_STAT64 __stat64
#define GLOB_LSTAT64 __lstat64
#define glob64 __no_glob64_decl
#define __glob64 __no___glob64_decl
#include <posix/glob.c>

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@ -33,15 +33,15 @@
# define __glob __glob64_lstat_compat
# define globfree globfree64
# undef stat
# define stat stat64
# define COMPILE_GLOB64 1
# define GLOB_ATTRIBUTE attribute_compat_text_section
/* Avoid calling gl_lstat with GLOB_ALTDIRFUNC. */
# define GLOB_NO_LSTAT
# define COMPILE_GLOB64 1
# define struct_stat struct stat64
# define struct_stat64 struct stat64
# define GLOB_LSTAT gl_stat
# define GLOB_STAT64 __stat64
# define GLOB_LSTAT64 __stat64
# include <posix/glob.c>

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@ -0,0 +1,44 @@
/* Find pathnames matching a pattern. Linux version.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sys/stat.h>
#if __TIMESIZE != 64
# include <glob.h>
# include <dirent.h>
# include <sys/stat.h>
# define dirent dirent64
# define __readdir(dirp) __readdir64 (dirp)
# define glob_t glob64_time64_t
# define __glob __glob64_time64
# define globfree(pglob) __globfree64_time64 (pglob)
# define COMPILE_GLOB64 1
# define struct_stat struct __stat64_t64
# define struct_stat64 struct __stat64_t64
# define GLOB_LSTAT gl_lstat
# define GLOB_STAT64 __stat64_time64
# define GLOB_LSTAT64 __lstat64_time64
# define COMPILE_GLOB64 1
# include <posix/glob.c>
#endif

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@ -31,10 +31,12 @@
# define __glob __glob64
# define globfree(pglob) globfree64 (pglob)
# undef stat
# define stat stat64
# define COMPILE_GLOB64 1
# define struct_stat struct stat64
# define struct_stat64 struct stat64
# define GLOB_LSTAT gl_lstat
# define GLOB_STAT64 __stat64
# define GLOB_LSTAT64 __lstat64
# include <posix/glob.c>

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@ -0,0 +1,35 @@
/* Frees the dynamically allocated storage from an earlier call to glob.
Linux version.
Copyright (C) 2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sys/stat.h>
#if __TIMESIZE != 64
# include <glob.h>
# include <dirent.h>
# include <sys/stat.h>
# define glob_t glob64_time64_t
# define globfree(pglob) __globfree64_time64 (pglob)
# undef stat
# define stat __stat64_t64
# include <posix/globfree.c>
libc_hidden_def (__globfree64_time64)
#endif

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@ -2250,6 +2250,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2433,6 +2433,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __isnanf128 F

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@ -210,6 +210,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2377,6 +2377,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2347,6 +2347,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2344,6 +2344,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2342,6 +2342,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2340,6 +2340,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2348,6 +2348,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2386,6 +2386,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -28,13 +28,12 @@ libc_hidden_proto (__old_glob64);
#define convert_dirent __old_convert_dirent
#define glob_in_dir __old_glob_in_dir
#undef stat
#define stat stat64
#undef __stat
#define __stat(file, buf) __stat64 (file, buf)
/* Avoid calling gl_lstat with GLOB_ALTDIRFUNC. */
#define GLOB_NO_LSTAT
#define struct_stat struct stat64
#define struct_stat64 struct stat64
#define GLOB_LSTAT gl_stat
#define GLOB_STAT64 __stat64
#define GLOB_LSTAT64 __stat64
#define GLOB_ATTRIBUTE attribute_compat_text_section

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@ -2404,6 +2404,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2437,6 +2437,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2402,6 +2402,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2257,6 +2257,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2254,6 +2254,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F

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@ -2395,6 +2395,8 @@ GLIBC_2.34 __futimesat64 F
GLIBC_2.34 __getitimer64 F
GLIBC_2.34 __getrusage64 F
GLIBC_2.34 __gettimeofday64 F
GLIBC_2.34 __glob64_time64 F
GLIBC_2.34 __globfree64_time64 F
GLIBC_2.34 __gmtime64 F
GLIBC_2.34 __gmtime64_r F
GLIBC_2.34 __libc_start_main F