mirrors/mc
1
0
Fork 0
mirror of https://github.com/MidnightCommander/mc synced 2024-12-22 04:22:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

vfs: implement support for all known stat formats and centralize handling

Browse Source 
Signed-off-by: Yury V. Zaytsev <yury@shurup.com>
This commit is contained in:
Yury V. Zaytsev 2024-06-01 17:44:28 +02:00
parent c8e8f01faf
commit eb1375b65d
12 changed files with 95 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
configure.ac
View File

@ -261,7 +261,7 @@ AC_CHECK_TYPE([major_t], [], [AC_DEFINE([major_t], [int], [Type of major device
AC_CHECK_TYPE([minor_t], [], [AC_DEFINE([minor_t], [int], [Type of minor device numbers.])])
AC_STRUCT_ST_BLOCKS
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_rdev, struct stat.st_mtim])
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_rdev, struct stat.st_mtim, struct stat.st_mtimespec, struct stat.st_mtimensec])
gl_STAT_SIZE
AH_TEMPLATE([sig_atomic_t],
@ -387,14 +387,7 @@ AC_EGREP_CPP([yes],
])
dnl utimensat is supported since glibc 2.6 and specified in POSIX.1-2008
dnl utimensat() causes different timespec structures to cause failures on IBM i and AIX
case $host_os in
*os400 | aix*)
;;
*)
AC_CHECK_FUNCS([utimensat])
;;
esac
AC_CHECK_FUNCS([utimensat])
case $host_os in
*os400)

7
lib/unixcompat.h
View File

@ -113,13 +113,6 @@
#define get_default_editor() "vi"
#define OS_SORT_CASE_SENSITIVE_DEFAULT TRUE
/* struct stat members */
#ifdef __APPLE__
#define st_atim st_atimespec
#define st_ctim st_ctimespec
#define st_mtim st_mtimespec
#endif
/*** enums ***************************************************************************************/
/*** structures declarations (and typedefs of structures)*****************************************/

5
lib/vfs/direntry.c
View File

@ -1030,10 +1030,7 @@ vfs_s_default_stat (struct vfs_class *me, mode_t mode)
#endif
st.st_size = 0;
st.st_mtime = st.st_atime = st.st_ctime = time (NULL);
#ifdef HAVE_STRUCT_STAT_ST_MTIM
st.st_atim.tv_nsec = st.st_mtim.tv_nsec = st.st_ctim.tv_nsec = 0;
#endif
vfs_zero_stat_times (&st);
vfs_adjust_stat (&st);

5
lib/vfs/parse_ls_vga.c
View File

@ -796,15 +796,14 @@ vfs_parse_ls_lga (const char *p, struct stat *s, char **filename, char **linknam
#endif
}
vfs_zero_stat_times (s);
idx = vfs_parse_filedate (idx, &s->st_mtime);
if (idx == 0)
goto error;
/* Use resulting time value */
s->st_atime = s->st_ctime = s->st_mtime;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
s->st_atim.tv_nsec = s->st_mtim.tv_nsec = s->st_ctim.tv_nsec = 0;
#endif
/* s->st_dev and s->st_ino must be initialized by vfs_s_new_inode () */
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE

65
lib/vfs/utilvfs.c
View File

@ -408,15 +408,70 @@ vfs_get_timespecs_from_timesbuf (mc_timesbuf_t *times, mc_timespec_t *atime, mc_
/* --------------------------------------------------------------------------------------------- */
void
vfs_get_timesbuf_from_stat (const struct stat *sb, mc_timesbuf_t *times)
vfs_get_timesbuf_from_stat (const struct stat *s, mc_timesbuf_t *times)
{
#ifdef HAVE_UTIMENSAT
(*times)[0] = sb->st_atim;
(*times)[1] = sb->st_mtim;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
/* POSIX IEEE Std 1003.1-2008 should be the preferred way
*
* AIX has internal type st_timespec_t conflicting with timespec, so assign per field, for details see:
* https://github.com/libuv/libuv/pull/4404
*/
(*times)[0].tv_sec = s->st_atim.tv_sec;
(*times)[0].tv_nsec = s->st_atim.tv_nsec;
(*times)[1].tv_sec = s->st_mtim.tv_sec;
(*times)[1].tv_nsec = s->st_mtim.tv_nsec;
#elif HAVE_STRUCT_STAT_ST_MTIMESPEC
/* Modern BSD solution */
(*times)[0] = s->st_atimespec;
(*times)[1] = s->st_mtimespec;
#elif HAVE_STRUCT_STAT_ST_MTIMENSEC
/* Legacy BSD solution */
(*times)[0].tv_sec = s->st_atime;
(*times)[0].tv_nsec = s->st_atimensec;
(*times)[1].tv_sec = s->st_mtime;
(*times)[1].tv_nsec = s->st_mtimensec;
#else
times->actime = sb->st_atime;
times->modtime = sb->st_mtime;
#error "Found utimensat for nanosecond timestamps, but unsupported struct stat format!"
#endif
#else
times->actime = s->st_atime;
times->modtime = s->st_mtime;
#endif
}
/* --------------------------------------------------------------------------------------------- */
void
vfs_copy_stat_times (const struct stat *src, struct stat *dst)
{
dst->st_atime = src->st_atime;
dst->st_mtime = src->st_mtime;
dst->st_ctime = src->st_ctime;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
dst->st_atim.tv_nsec = src->st_atim.tv_nsec;
dst->st_mtim.tv_nsec = src->st_mtim.tv_nsec;
dst->st_ctim.tv_nsec = src->st_ctim.tv_nsec;
#elif HAVE_STRUCT_STAT_ST_MTIMESPEC
dst->st_atimespec.tv_nsec = src->st_atimespec.tv_nsec;
dst->st_mtimespec.tv_nsec = src->st_mtimespec.tv_nsec;
dst->st_ctimespec.tv_nsec = src->st_ctimespec.tv_nsec;
#elif HAVE_STRUCT_STAT_ST_MTIMENSEC
dst->st_atimensec = src->st_atimensec;
dst->st_mtimensec = src->st_mtimensec;
dst->st_ctimensec = src->st_ctimensec;
#endif
}
/* --------------------------------------------------------------------------------------------- */
void
vfs_zero_stat_times (struct stat *s)
{
const struct stat empty = { 0 };
vfs_copy_stat_times (&empty, s);
}
/* --------------------------------------------------------------------------------------------- */

4
lib/vfs/utilvfs.h
View File

@ -63,7 +63,9 @@ int vfs_parse_filedate (int idx, time_t * t);
int vfs_utime (const char *path, mc_timesbuf_t *times);
void vfs_get_timespecs_from_timesbuf (mc_timesbuf_t *times, mc_timespec_t *atime,
mc_timespec_t *mtime);
void vfs_get_timesbuf_from_stat (const struct stat *sb, mc_timesbuf_t *times);
void vfs_get_timesbuf_from_stat (const struct stat *s, mc_timesbuf_t *times);
void vfs_copy_stat_times (const struct stat *src, struct stat *dst);
void vfs_zero_stat_times (struct stat *s);
/*** inline functions ****************************************************************************/

27
src/vfs/cpio/cpio.c
View File

@ -470,15 +470,8 @@ cpio_create_entry (struct vfs_class *me, struct vfs_s_super *super, struct stat
entry->ino->st.st_mode = st->st_mode;
entry->ino->st.st_uid = st->st_uid;
entry->ino->st.st_gid = st->st_gid;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
entry->ino->st.st_atim = st->st_atim;
entry->ino->st.st_mtim = st->st_mtim;
entry->ino->st.st_ctim = st->st_ctim;
#else
entry->ino->st.st_atime = st->st_atime;
entry->ino->st.st_mtime = st->st_mtime;
entry->ino->st.st_ctime = st->st_ctime;
#endif
vfs_copy_stat_times (st, &entry->ino->st);
}
g_free (name);
@ -603,9 +596,9 @@ cpio_read_bin_head (struct vfs_class *me, struct vfs_s_super *super)
st.st_rdev = u.buf.c_rdev;
#endif
st.st_size = ((off_t) u.buf.c_filesizes[0] << 16) | u.buf.c_filesizes[1];
#ifdef HAVE_STRUCT_STAT_ST_MTIM
st.st_atim.tv_nsec = st.st_mtim.tv_nsec = st.st_ctim.tv_nsec = 0;
#endif
vfs_zero_stat_times (&st);
st.st_atime = st.st_mtime = st.st_ctime =
((time_t) u.buf.c_mtimes[0] << 16) | u.buf.c_mtimes[1];
@ -676,9 +669,8 @@ cpio_read_oldc_head (struct vfs_class *me, struct vfs_s_super *super)
u.st.st_rdev = hd.c_rdev;
#endif
u.st.st_size = hd.c_filesize;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
u.st.st_atim.tv_nsec = u.st.st_mtim.tv_nsec = u.st.st_ctim.tv_nsec = 0;
#endif
vfs_zero_stat_times (&u.st);
u.st.st_atime = u.st.st_mtime = u.st.st_ctime = hd.c_mtime;
return cpio_create_entry (me, super, &u.st, name);
@ -757,9 +749,8 @@ cpio_read_crc_head (struct vfs_class *me, struct vfs_s_super *super)
u.st.st_rdev = makedev (hd.c_rdev, hd.c_rdevmin);
#endif
u.st.st_size = hd.c_filesize;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
u.st.st_atim.tv_nsec = u.st.st_mtim.tv_nsec = u.st.st_ctim.tv_nsec = 0;
#endif
vfs_zero_stat_times (&u.st);
u.st.st_atime = u.st.st_mtime = u.st.st_ctime = hd.c_mtime;
return cpio_create_entry (me, super, &u.st, name);

13
src/vfs/extfs/extfs.c
View File

@ -1230,15 +1230,22 @@ extfs_closedir (void *data)
static void
extfs_stat_move (struct stat *buf, const struct vfs_s_inode *inode)
{
const time_t atime = inode->st.st_atime;
const time_t mtime = inode->st.st_mtime;
const time_t ctime = inode->st.st_ctime;
*buf = inode->st;
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
buf->st_blksize = RECORDSIZE;
#endif
vfs_adjust_stat (buf);
#ifdef HAVE_STRUCT_STAT_ST_MTIM
buf->st_atim.tv_nsec = buf->st_mtim.tv_nsec = buf->st_ctim.tv_nsec = 0;
#endif
vfs_zero_stat_times (buf);
buf->st_atime = atime;
buf->st_mtime = mtime;
buf->st_ctime = ctime;
}
/* --------------------------------------------------------------------------------------------- */

5
src/vfs/sftpfs/internal.c
View File

@ -37,6 +37,7 @@
#include "lib/global.h"
#include "lib/util.h"
#include "lib/vfs/utilvfs.h"
#include "internal.h"
@ -255,12 +256,10 @@ sftpfs_attr_to_stat (const LIBSSH2_SFTP_ATTRIBUTES *attrs, struct stat *s)
if ((attrs->flags & LIBSSH2_SFTP_ATTR_ACMODTIME) != 0)
{
vfs_zero_stat_times (s);
s->st_atime = attrs->atime;
s->st_mtime = attrs->mtime;
s->st_ctime = attrs->mtime;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
s->st_atim.tv_nsec = s->st_mtim.tv_nsec = s->st_ctim.tv_nsec = 0;
#endif
}
if ((attrs->flags & LIBSSH2_SFTP_ATTR_SIZE) != 0)

8
src/vfs/shell/shell.c
View File

@ -860,12 +860,10 @@ shell_parse_ls (char *buffer, struct vfs_s_entry *ent)
case 'd':
vfs_split_text (buffer);
vfs_zero_stat_times (&ST);
if (vfs_parse_filedate (0, &ST.st_ctime) == 0)
break;
ST.st_atime = ST.st_mtime = ST.st_ctime;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
ST.st_atim.tv_nsec = ST.st_mtim.tv_nsec = ST.st_ctim.tv_nsec = 0;
#endif
break;
case 'D':
@ -877,10 +875,8 @@ shell_parse_ls (char *buffer, struct vfs_s_entry *ent)
if (sscanf (buffer, "%d %d %d %d %d %d", &tim.tm_year, &tim.tm_mon,
&tim.tm_mday, &tim.tm_hour, &tim.tm_min, &tim.tm_sec) != 6)
break;
vfs_zero_stat_times (&ST);
ST.st_atime = ST.st_mtime = ST.st_ctime = mktime (&tim);
#ifdef HAVE_STRUCT_STAT_ST_MTIM
ST.st_atim.tv_nsec = ST.st_mtim.tv_nsec = ST.st_ctim.tv_nsec = 0;
#endif
}
break;

6
src/vfs/undelfs/undelfs.c
View File

@ -631,12 +631,12 @@ undelfs_stat_int (int inode_index, struct stat *buf)
buf->st_uid = delarray[inode_index].uid;
buf->st_gid = delarray[inode_index].gid;
buf->st_size = delarray[inode_index].size;
vfs_zero_stat_times (buf);
buf->st_atime = delarray[inode_index].dtime;
buf->st_ctime = delarray[inode_index].dtime;
buf->st_mtime = delarray[inode_index].dtime;
#ifdef HAVE_STRUCT_STAT_ST_MTIM
buf->st_atim.tv_nsec = buf->st_mtim.tv_nsec = buf->st_ctim.tv_nsec = 0;
#endif
return 0;
}

5
tests/lib/vfs/vfs_parse_ls_lga.c
View File

@ -106,10 +106,7 @@ message (int flags, const char *title, const char *text, ...)
static void
fill_stat_struct (struct stat *etalon_stat, int iterator)
{
#ifdef HAVE_STRUCT_STAT_ST_MTIM
etalon_stat->st_atim.tv_nsec = etalon_stat->st_mtim.tv_nsec = etalon_stat->st_ctim.tv_nsec = 0;
#endif
vfs_zero_stat_times (etalon_stat);
switch (iterator)
{