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author | Roland McGrath <roland@gnu.org> | 2002-06-11 23:04:51 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 2002-06-11 23:04:51 +0000 |
commit | 337738b77123cbfed07d53c9408eb74109856d0a (patch) | |
tree | b5eba5547489c0efef99967e7f427f4ae4b4e727 /sysdeps/mach/hurd/readdir64_r.c | |
parent | 522c33f6bb802f6bf7840c78a5805b6929fd3ccd (diff) | |
download | glibc-337738b77123cbfed07d53c9408eb74109856d0a.tar.gz glibc-337738b77123cbfed07d53c9408eb74109856d0a.tar.xz glibc-337738b77123cbfed07d53c9408eb74109856d0a.zip |
* sysdeps/mach/hurd/xstat64.c: Conditionalize entire contents of the
file on [!RTLD_STAT64]. * sysdeps/mach/hurd/fxstat64.c: Likewise. * sysdeps/mach/hurd/tmpfile.c (tmpfile64): Define as alias of tmpfile. (__fdopen): Use INTUSE. * sysdeps/mach/hurd/tmpfile64.c: New file, empty placeholder. * stdio-common/tmpfile64.c: File removed. * sysdeps/generic/tmpfile64.c: New file. * sysdeps/generic/tmpfile.c (GEN_THIS): New macro, define to __GT_FILE if not already defined. (tmpfile): Use it in place of __GT_FILE. * include/unistd.h: Declare __chown_internal. * sysdeps/mach/hurd/sendfile64.c (sendfile64): Do real work here. * sysdeps/mach/hurd/sendfile.c (sendfile): Call that. 2002-06-09 Roland McGrath <roland@frob.com> Update to new Hurd RPC interfaces supporting 64-bit file sizes. * sysdeps/mach/hurd/configure.in: Check for <hurd/version.h> with value of HURD_INTERFACE_VERSION >= 20020609. * sysdeps/mach/hurd/configure: Regenerated. * shlib-versions (.*-.*-gnu-gnu.*): Set libhurduser=0.3. * sysdeps/mach/hurd/xstatconv.c (xstat64_conv): Rewritten to convert a struct stat64 into a struct stat and return 0 or -1 with errno set to EOVERFLOW. * sysdeps/mach/hurd/statfsconv.c (statfs64_conv): Likewise for struct statfs64 to struct statfs. * sysdeps/mach/hurd/xstat.c (__xstat): Use converter and call ... * sysdeps/mach/hurd/xstat64.c (__xstat64): ... this, real work here. * sysdeps/mach/hurd/fxstat.c (__fxstat): Likewise. * sysdeps/mach/hurd/fxstat64.c (__fxstat64): Likewise. * sysdeps/mach/hurd/lxstat.c (__lxstat): Likewise. * sysdeps/mach/hurd/lxstat64.c (__lxstat64): Likewise. * sysdeps/mach/hurd/statfs.c (__statfs): Likewise. * sysdeps/mach/hurd/statfs64.c (__statfs64): Likewise. * sysdeps/mach/hurd/fstatfs.c (__fstatfs): Likewise. * sysdeps/mach/hurd/fstatfs64.c (__fstatfs64): Likewise. * sysdeps/mach/hurd/pwrite64.c (__libc_pwrite64): Do real work here. * sysdeps/mach/hurd/pwrite.c (__libc_pwrite): Call that. * sysdeps/mach/hurd/pread64.c (__libc_pread64): Do real work here. * sysdeps/mach/hurd/pread.c (__libc_pread): Call that. * sysdeps/mach/hurd/lseek64.c (__libc_lseek64): Do real work here. * sysdeps/mach/hurd/lseek.c (__libc_lseek): Call that. * sysdeps/mach/hurd/readdir64.c (__readdir64): Do real work here. * sysdeps/mach/hurd/readdir.c (__readdir): Call that. * sysdeps/mach/hurd/readdir64_r.c (__readdir64_r): Do real work here. * sysdeps/mach/hurd/readdir_r.c (__readdir64_r): Call that. * hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Use struct stat64 for io_stat argument. * sysdeps/mach/hurd/readlink.c (__readlink): Likewise. * hurd/fopenport.c (seekio): Remove EOVERFLOW check, pass POS directly to io_seek. * hurd/fd-read.c (_hurd_fd_read): Use loff_t for OFFSET argument. * hurd/fd-write.c (_hurd_fd_write): Likewise. * hurd/hurd/fd.h: Update decls. * sysdeps/mach/hurd/getcwd.c (_hurd_canonicalize_directory_name_internal): Use ino64_t and struct dirent64. * sysdeps/mach/hurd/dl-sysdep.c (open_file): Use struct stat64. (__xstat): Renamed to __xstat64, use struct stat64 for argument. (__fxstat): Renamed to __fxstat64, use struct stat64 for argument. (__lseek): Renamed to __libc_lseek64, use off64_t for argument. 2002-06-08 Roland McGrath <roland@frob.com> * sysdeps/mach/hurd/dirstream.h (struct __dirstream): Use size_t instead of unsigned long int for __allocation and __size members. 2002-05-19 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'sysdeps/mach/hurd/readdir64_r.c')
-rw-r--r-- | sysdeps/mach/hurd/readdir64_r.c | 98 |
1 files changed, 79 insertions, 19 deletions
diff --git a/sysdeps/mach/hurd/readdir64_r.c b/sysdeps/mach/hurd/readdir64_r.c index 7cb40bc0cc..c26b35bb70 100644 --- a/sysdeps/mach/hurd/readdir64_r.c +++ b/sysdeps/mach/hurd/readdir64_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001 Free Software Foundation, Inc. +/* Copyright (C) 2001,02 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 @@ -17,36 +17,96 @@ 02111-1307 USA. */ #include <dirent.h> -#include <limits.h> #include <stddef.h> #include <string.h> +#include <hurd.h> +#include <hurd/fs.h> +#include <hurd/fd.h> +#include "dirstream.h" /* Read a directory entry from DIRP. */ int __readdir64_r (DIR *dirp, struct dirent64 *entry, struct dirent64 **result) { - struct dirent *result32; - union - { - struct dirent d; - char b[offsetof (struct dirent, d_name) + UCHAR_MAX + 1]; - } u; - int err; - - err = __readdir_r (dirp, &u.d, &result32); - if (result32) + struct dirent64 *dp; + error_t err = 0; + + if (dirp == NULL) + { + errno = EINVAL; + return errno; + } + + __libc_lock_lock (dirp->__lock); + + do + { + if (dirp->__ptr - dirp->__data >= dirp->__size) + { + /* We've emptied out our buffer. Refill it. */ + + char *data = dirp->__data; + int nentries; + + if (err = HURD_FD_PORT_USE (dirp->__fd, + __dir_readdir (port, + &data, &dirp->__size, + dirp->__entry_ptr, + -1, 0, &nentries))) + { + __hurd_fail (err); + dp = NULL; + break; + } + + /* DATA now corresponds to entry index DIRP->__entry_ptr. */ + dirp->__entry_data = dirp->__entry_ptr; + + if (data != dirp->__data) + { + /* The data was passed out of line, so our old buffer is no + longer useful. Deallocate the old buffer and reset our + information for the new buffer. */ + __vm_deallocate (__mach_task_self (), + (vm_address_t) dirp->__data, + dirp->__allocation); + dirp->__data = data; + dirp->__allocation = round_page (dirp->__size); + } + + /* Reset the pointer into the buffer. */ + dirp->__ptr = dirp->__data; + + if (nentries == 0) + { + /* End of file. */ + dp = NULL; + break; + } + + /* We trust the filesystem to return correct data and so we + ignore NENTRIES. */ + } + + dp = (struct dirent64 *) dirp->__ptr; + dirp->__ptr += dp->d_reclen; + ++dirp->__entry_ptr; + + /* Loop to ignore deleted files. */ + } while (dp->d_fileno == 0); + + if (dp) { - entry->d_fileno = result32->d_fileno; - entry->d_reclen = result32->d_reclen; - entry->d_type = result32->d_type; - entry->d_namlen = result32->d_namlen; - memcpy (entry->d_name, result32->d_name, result32->d_namlen + 1); + *entry = *dp; + memcpy (entry->d_name, dp->d_name, dp->d_namlen + 1); *result = entry; } else *result = NULL; - - return err; + + __libc_lock_unlock (dirp->__lock); + + return dp ? 0 : err ? errno : 0; } weak_alias(__readdir64_r, readdir64_r) |