2014-05-22 06:39:29 -04:00
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#include "ruby/ruby.h"
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#include "ruby/io.h"
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2015-04-11 20:01:11 -04:00
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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2015-03-24 04:30:15 -04:00
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#ifdef HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#ifdef HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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2014-05-22 06:39:29 -04:00
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#endif
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2015-05-03 09:54:54 -04:00
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#ifdef HAVE_SYS_STATVFS_H
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#include <sys/statvfs.h>
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#endif
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2014-05-22 06:39:29 -04:00
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2015-03-24 04:30:15 -04:00
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#if defined HAVE_STRUCT_STATFS_F_FSTYPENAME
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typedef struct statfs statfs_t;
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# define STATFS(f, s) statfs((f), (s))
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# define HAVE_STRUCT_STATFS_T_F_FSTYPENAME 1
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2015-03-25 04:03:11 -04:00
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# if defined HAVE_STRUCT_STATFS_F_TYPE
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# define HAVE_STRUCT_STATFS_T_F_TYPE 1
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# endif
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2015-03-24 04:30:15 -04:00
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#elif defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME) /* NetBSD */
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typedef struct statvfs statfs_t;
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# define STATFS(f, s) statvfs((f), (s))
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# define HAVE_STRUCT_STATFS_T_F_FSTYPENAME 1
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2015-03-25 04:03:11 -04:00
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# if defined HAVE_STRUCT_STATVFS_F_TYPE
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# define HAVE_STRUCT_STATFS_T_F_TYPE 1
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# endif
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2015-03-24 04:30:15 -04:00
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#elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE) /* AIX, HP-UX, Solaris */
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typedef struct statvfs statfs_t;
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# define STATFS(f, s) statvfs((f), (s))
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# define HAVE_STRUCT_STATFS_T_F_FSTYPENAME 1
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# define f_fstypename f_basetype
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2015-03-25 04:03:11 -04:00
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# if defined HAVE_STRUCT_STATVFS_F_TYPE
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# define HAVE_STRUCT_STATFS_T_F_TYPE 1
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# endif
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2016-11-05 04:23:57 -04:00
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#elif defined(HAVE_STRUCT_STATFS_F_TYPE) /* Linux */
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typedef struct statfs statfs_t;
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# define STATFS(f, s) statfs((f), (s))
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# if defined HAVE_STRUCT_STATFS_F_TYPE
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# define HAVE_STRUCT_STATFS_T_F_TYPE 1
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# endif
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2014-05-22 06:39:29 -04:00
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#endif
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VALUE
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get_fsname(VALUE self, VALUE str)
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{
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2015-03-24 04:30:15 -04:00
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#ifdef STATFS
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statfs_t st;
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# define CSTR(s) rb_str_new_cstr(s)
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2014-05-22 06:39:29 -04:00
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FilePathValue(str);
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2015-03-24 04:30:15 -04:00
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str = rb_str_encode_ospath(str);
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if (STATFS(StringValueCStr(str), &st) == -1) {
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rb_sys_fail_str(str);
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}
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# ifdef HAVE_STRUCT_STATFS_T_F_FSTYPENAME
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if (st.f_fstypename[0])
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return CSTR(st.f_fstypename);
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# endif
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2015-03-25 04:03:11 -04:00
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# ifdef HAVE_STRUCT_STATFS_T_F_TYPE
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2015-03-24 04:30:15 -04:00
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switch (st.f_type) {
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case 0x9123683E: /* BTRFS_SUPER_MAGIC */
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return CSTR("btrfs");
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case 0x7461636f: /* OCFS2_SUPER_MAGIC */
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return CSTR("ocfs");
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case 0xEF53: /* EXT2_SUPER_MAGIC EXT3_SUPER_MAGIC EXT4_SUPER_MAGIC */
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return CSTR("ext4");
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case 0x58465342: /* XFS_SUPER_MAGIC */
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return CSTR("xfs");
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case 0x01021994: /* TMPFS_MAGIC */
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return CSTR("tmpfs");
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2014-05-22 06:39:29 -04:00
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}
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2015-03-25 04:03:11 -04:00
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# endif
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2014-05-22 06:39:29 -04:00
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#endif
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2015-03-24 04:30:15 -04:00
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return Qnil;
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2014-05-22 06:39:29 -04:00
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}
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2016-11-05 04:23:57 -04:00
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VALUE
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2016-11-05 04:59:42 -04:00
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get_noatime_p(VALUE self, VALUE str)
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2016-11-05 04:23:57 -04:00
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{
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#ifdef STATFS
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statfs_t st;
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FilePathValue(str);
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str = rb_str_encode_ospath(str);
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if (STATFS(StringValueCStr(str), &st) == -1) {
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rb_sys_fail_str(str);
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}
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# ifdef HAVE_STRUCT_STATFS_F_FLAGS
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# ifdef MNT_NOATIME
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return st.f_flags & MNT_NOATIME ? Qtrue : Qfalse;
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# elif defined(ST_NOATIME)
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return st.f_flags & ST_NOATIME ? Qtrue : Qfalse;
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# endif
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# endif
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#endif
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return Qnil;
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}
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2014-05-22 06:39:29 -04:00
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void
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Init_fs(VALUE module)
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{
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VALUE fs = rb_define_module_under(module, "Fs");
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rb_define_module_function(fs, "fsname", get_fsname, 1);
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2016-11-05 04:59:42 -04:00
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rb_define_module_function(fs, "noatime?", get_noatime_p, 1);
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2014-05-22 06:39:29 -04:00
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}
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