159 lines
4.7 KiB
Diff
159 lines
4.7 KiB
Diff
From acae106c7c8feab92a52982976b147f1100207a5 Mon Sep 17 00:00:00 2001
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From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
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Date: Tue, 24 Mar 2015 08:30:15 +0000
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Subject: [PATCH] fs.c: use statfs/statvfs
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* ext/-test-/file/fs.c (get_fsname): return filesystem name by
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statfs/statvfs. [ruby-core:68624] [Bug #10998]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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---
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ChangeLog | 5 +++
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ext/-test-/file/extconf.rb | 14 ++++++++
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ext/-test-/file/fs.c | 85 +++++++++++++++++++++++++---------------------
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3 files changed, 66 insertions(+), 38 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index a2f2f97..d7e11af 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,8 @@
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+Tue Mar 24 17:30:12 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
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+
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+ * ext/-test-/file/fs.c (get_fsname): return filesystem name by
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+ statfs/statvfs. [ruby-core:68624] [Bug #10998]
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+
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Thu Feb 26 15:48:41 2015 NAKAMURA Usaku <usa@ruby-lang.org>
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* ext/win32/Win32API.rb (initialize): accept both a string and an array
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diff --git a/ext/-test-/file/extconf.rb b/ext/-test-/file/extconf.rb
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index 4e134dd..be4a2fb 100644
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--- a/ext/-test-/file/extconf.rb
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+++ b/ext/-test-/file/extconf.rb
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@@ -1,4 +1,18 @@
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$INCFLAGS << " -I$(topdir) -I$(top_srcdir)"
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+
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+headers = %w[sys/param.h sys/mount.h sys/vfs.h].select {|h| have_header(h)}
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+if have_type("struct statfs", headers)
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+ have_struct_member("struct statfs", "f_fstypename", headers)
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+ have_struct_member("struct statfs", "f_type", headers)
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+end
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+
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+headers = %w[sys/statvfs.h]
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+if have_type("struct statvfs", headers)
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+ have_struct_member("struct statvfs", "f_fstypename", headers)
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+ have_struct_member("struct statvfs", "f_basetype", headers)
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+ have_struct_member("struct statvfs", "f_type", headers)
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+end
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+
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$srcs = Dir[File.join($srcdir, "*.{#{SRC_EXT.join(%q{,})}}")]
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inits = $srcs.map {|s| File.basename(s, ".*")}
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inits.delete("init")
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diff --git a/ext/-test-/file/fs.c b/ext/-test-/file/fs.c
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index 4a41bf3..94d96d3 100644
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--- a/ext/-test-/file/fs.c
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+++ b/ext/-test-/file/fs.c
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@@ -1,55 +1,64 @@
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#include "ruby/ruby.h"
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#include "ruby/io.h"
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-#ifdef __linux__
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-# define HAVE_GETMNTENT
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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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#endif
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-#ifdef HAVE_GETMNTENT
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-# include <stdio.h>
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-# include <mntent.h>
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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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+#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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+#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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+#elif defined HAVE_STRUCT_STATFS_F_TYPE
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+typedef struct statfs statfs_t;
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+# define STATFS(f, s) statfs((f), (s))
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+#elif defined HAVE_STRUCT_STATVFS_F_TYPE
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+typedef struct statvfs statfs_t;
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+# define STATFS(f, s) statvfs((f), (s))
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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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-#ifdef HAVE_GETMNTENT
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- const char *path;
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- struct mntent mntbuf;
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- static const int buflen = 4096;
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- char *buf = alloca(buflen);
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- int len = 0;
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- FILE *fp;
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-#define FSNAME_LEN 100
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- char name[FSNAME_LEN] = "";
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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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FilePathValue(str);
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- path = RSTRING_PTR(str);
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- fp = setmntent("/etc/mtab", "r");
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- if (!fp) rb_sys_fail("setmntent(/etb/mtab)");;
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-
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- while (getmntent_r(fp, &mntbuf, buf, buflen)) {
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- int i;
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- char *mnt_dir = mntbuf.mnt_dir;
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- for (i=0; mnt_dir[i]; i++) {
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- if (mnt_dir[i] != path[i]) {
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- goto next_entry;
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- }
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- }
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- if (i >= len) {
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- len = i;
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- strlcpy(name, mntbuf.mnt_type, FSNAME_LEN);
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- }
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-next_entry:
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- ;
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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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+ 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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}
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- endmntent(fp);
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-
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- if (!len) rb_sys_fail("no matching entry");;
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- return rb_str_new_cstr(name);
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-#else
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- return Qnil;
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#endif
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+ return Qnil;
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}
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void
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