diff options
author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-05-23 17:15:12 +0000 |
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committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-05-23 17:15:12 +0000 |
commit | c92fa1fdad2e9574baddc71a006c0d2f5caea20a (patch) | |
tree | 07c6f6a77434f7153da14000ad8070f58870e6ba /ext | |
parent | 92e97984c60d4f3f43479537e1510039fec9fa28 (diff) |
merge revision(s) 50071,50088: [Backport #10998] [Backport #11000]
* ext/-test-/file/fs.c (get_fsname): return filesystem name by
statfs/statvfs. [ruby-core:68624] [Bug #10998]
* ext/-test-/file/fs.c (get_fsname): try magic number only if
f_type is included. [ruby-dev:48913] [Bug #11000]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@50621 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
-rw-r--r-- | ext/-test-/file/extconf.rb | 14 | ||||
-rw-r--r-- | ext/-test-/file/fs.c | 90 |
2 files changed, 66 insertions, 38 deletions
diff --git a/ext/-test-/file/extconf.rb b/ext/-test-/file/extconf.rb index 4e134dd1bf..be4a2fbdeb 100644 --- a/ext/-test-/file/extconf.rb +++ b/ext/-test-/file/extconf.rb @@ -1,4 +1,18 @@ $INCFLAGS << " -I$(topdir) -I$(top_srcdir)" + +headers = %w[sys/param.h sys/mount.h sys/vfs.h].select {|h| have_header(h)} +if have_type("struct statfs", headers) + have_struct_member("struct statfs", "f_fstypename", headers) + have_struct_member("struct statfs", "f_type", headers) +end + +headers = %w[sys/statvfs.h] +if have_type("struct statvfs", headers) + have_struct_member("struct statvfs", "f_fstypename", headers) + have_struct_member("struct statvfs", "f_basetype", headers) + have_struct_member("struct statvfs", "f_type", headers) +end + $srcs = Dir[File.join($srcdir, "*.{#{SRC_EXT.join(%q{,})}}")] inits = $srcs.map {|s| File.basename(s, ".*")} inits.delete("init") diff --git a/ext/-test-/file/fs.c b/ext/-test-/file/fs.c index 4a41bf33b9..1ab067e1b2 100644 --- a/ext/-test-/file/fs.c +++ b/ext/-test-/file/fs.c @@ -1,55 +1,69 @@ #include "ruby/ruby.h" #include "ruby/io.h" -#ifdef __linux__ -# define HAVE_GETMNTENT +#ifdef HAVE_SYS_MOUNT_H +#include <sys/mount.h> +#endif +#ifdef HAVE_SYS_VFS_H +#include <sys/vfs.h> #endif -#ifdef HAVE_GETMNTENT -# include <stdio.h> -# include <mntent.h> +#if defined HAVE_STRUCT_STATFS_F_FSTYPENAME +typedef struct statfs statfs_t; +# define STATFS(f, s) statfs((f), (s)) +# define HAVE_STRUCT_STATFS_T_F_FSTYPENAME 1 +# if defined HAVE_STRUCT_STATFS_F_TYPE +# define HAVE_STRUCT_STATFS_T_F_TYPE 1 +# endif +#elif defined(HAVE_STRUCT_STATVFS_F_FSTYPENAME) /* NetBSD */ +typedef struct statvfs statfs_t; +# define STATFS(f, s) statvfs((f), (s)) +# define HAVE_STRUCT_STATFS_T_F_FSTYPENAME 1 +# if defined HAVE_STRUCT_STATVFS_F_TYPE +# define HAVE_STRUCT_STATFS_T_F_TYPE 1 +# endif +#elif defined(HAVE_STRUCT_STATVFS_F_BASETYPE) /* AIX, HP-UX, Solaris */ +typedef struct statvfs statfs_t; +# define STATFS(f, s) statvfs((f), (s)) +# define HAVE_STRUCT_STATFS_T_F_FSTYPENAME 1 +# define f_fstypename f_basetype +# if defined HAVE_STRUCT_STATVFS_F_TYPE +# define HAVE_STRUCT_STATFS_T_F_TYPE 1 +# endif #endif VALUE get_fsname(VALUE self, VALUE str) { -#ifdef HAVE_GETMNTENT - const char *path; - struct mntent mntbuf; - static const int buflen = 4096; - char *buf = alloca(buflen); - int len = 0; - FILE *fp; -#define FSNAME_LEN 100 - char name[FSNAME_LEN] = ""; +#ifdef STATFS + statfs_t st; +# define CSTR(s) rb_str_new_cstr(s) FilePathValue(str); - path = RSTRING_PTR(str); - fp = setmntent("/etc/mtab", "r"); - if (!fp) rb_sys_fail("setmntent(/etb/mtab)");; - - while (getmntent_r(fp, &mntbuf, buf, buflen)) { - int i; - char *mnt_dir = mntbuf.mnt_dir; - for (i=0; mnt_dir[i]; i++) { - if (mnt_dir[i] != path[i]) { - goto next_entry; - } - } - if (i >= len) { - len = i; - strlcpy(name, mntbuf.mnt_type, FSNAME_LEN); - } -next_entry: - ; + str = rb_str_encode_ospath(str); + if (STATFS(StringValueCStr(str), &st) == -1) { + rb_sys_fail_str(str); } - endmntent(fp); - - if (!len) rb_sys_fail("no matching entry");; - return rb_str_new_cstr(name); -#else - return Qnil; +# ifdef HAVE_STRUCT_STATFS_T_F_FSTYPENAME + if (st.f_fstypename[0]) + return CSTR(st.f_fstypename); +# endif +# ifdef HAVE_STRUCT_STATFS_T_F_TYPE + switch (st.f_type) { + case 0x9123683E: /* BTRFS_SUPER_MAGIC */ + return CSTR("btrfs"); + case 0x7461636f: /* OCFS2_SUPER_MAGIC */ + return CSTR("ocfs"); + case 0xEF53: /* EXT2_SUPER_MAGIC EXT3_SUPER_MAGIC EXT4_SUPER_MAGIC */ + return CSTR("ext4"); + case 0x58465342: /* XFS_SUPER_MAGIC */ + return CSTR("xfs"); + case 0x01021994: /* TMPFS_MAGIC */ + return CSTR("tmpfs"); + } +# endif #endif + return Qnil; } void |