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* file.c (test_identical): test if two files are identical.
* file.c (rb_f_test): support DOSISH systems where st_ino is not reliable. fixed: [ruby-core:06672] * win32.h, win32.c (rb_w32_osid): check the running platform. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9590 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu
parent
e8a83b54cb
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4 changed files with 121 additions and 31 deletions
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@ -1,3 +1,12 @@
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Wed Nov 23 01:22:57 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* file.c (test_identical): test if two files are identical.
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* file.c (rb_f_test): support DOSISH systems where st_ino is not
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reliable. fixed: [ruby-core:06672]
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* win32.h, win32.c (rb_w32_osid): check the running platform.
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Tue Nov 22 23:52:06 2005 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* lib/optparse.rb: match incomplete (in current enconding) multibyte
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100
file.c
100
file.c
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@ -636,6 +636,32 @@ rb_stat(VALUE file, struct stat *st)
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return stat(StringValueCStr(file), st);
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}
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#ifdef _WIN32
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static HANDLE
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w32_io_info(VALUE *file, BY_HANDLE_FILE_INFORMATION *st)
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{
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VALUE tmp;
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HANDLE f, ret = 0;
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tmp = rb_check_convert_type(*file, T_FILE, "IO", "to_io");
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if (!NIL_P(tmp)) {
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OpenFile *fptr;
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GetOpenFile(tmp, fptr);
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f = (HANDLE)rb_w32_get_osfhandle(fptr->fd);
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}
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else {
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FilePathValue(*file);
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f = CreateFile(StringValueCStr(*file), 0, 0, NULL,
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OPEN_EXISTING, 0, NULL);
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if (f == INVALID_HANDLE_VALUE) return f;
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ret = f;
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}
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if (GetFileInformationByHandle(f, st)) return ret;
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return INVALID_HANDLE_VALUE;
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}
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#endif
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/*
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* call-seq:
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* File.stat(file_name) => stat
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@ -1315,7 +1341,7 @@ check3rdbyte(VALUE fname, int mode)
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* call-seq:
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* File.setuid?(file_name) => true or false
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*
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* Returns <code>true</code> if the named file is a has the setuid bit set.
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* Returns <code>true</code> if the named file has the setuid bit set.
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*/
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static VALUE
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@ -1332,7 +1358,7 @@ test_suid(VALUE obj, VALUE fname)
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* call-seq:
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* File.setgid?(file_name) => true or false
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*
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* Returns <code>true</code> if the named file is a has the setgid bit set.
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* Returns <code>true</code> if the named file has the setgid bit set.
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*/
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static VALUE
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@ -1349,7 +1375,7 @@ test_sgid(VALUE obj, VALUE fname)
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* call-seq:
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* File.sticky?(file_name) => true or false
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*
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* Returns <code>true</code> if the named file is a has the sticky bit set.
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* Returns <code>true</code> if the named file has the sticky bit set.
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*/
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static VALUE
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@ -1362,6 +1388,60 @@ test_sticky(VALUE obj, VALUE fname)
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#endif
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}
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/*
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* call-seq:
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* File.identical?(file_1, file_2) => true or false
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*
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* Returns <code>true</code> if the named files are identical.
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*/
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static VALUE
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test_identical(VALUE obj, VALUE fname1, VALUE fname2)
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{
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#ifndef DOSISH
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struct stat st1, st2;
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if (rb_stat(fname1, &st1) < 0) return Qfalse;
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if (rb_stat(fname2, &st2) < 0) return Qfalse;
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if (st1.st_dev != st2.st_dev) return Qfalse;
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if (st1.st_ino != st2.st_ino) return Qfalse;
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#else
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#ifdef _WIN32
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BY_HANDLE_FILE_INFORMATION st1, st2;
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HANDLE f1 = 0, f2 = 0;
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#endif
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rb_secure(2);
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#ifdef _WIN32
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f1 = w32_io_info(&fname1, &st1);
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if (f1 == INVALID_HANDLE_VALUE) return Qfalse;
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f2 = w32_io_info(&fname2, &st2);
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if (f1) CloseHandle(f1);
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if (f2 == INVALID_HANDLE_VALUE) return Qfalse;
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if (f2) CloseHandle(f2);
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if (st1.dwVolumeSerialNumber == st2.dwVolumeSerialNumber &&
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st1.nFileIndexHigh == st2.nFileIndexHigh &&
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st1.nFileIndexLow == st2.nFileIndexLow)
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return Qtrue;
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if (!f1 || !f2) return Qfalse;
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if (rb_w32_iswin95()) return Qfalse;
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#else
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FilePathValue(fname1);
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fname1 = rb_str_new4(fname1);
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FilePathValue(fname2);
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if (access(RSTRING(fname1)->ptr, 0)) return Qfalse;
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if (access(RSTRING(fname2)->ptr, 0)) return Qfalse;
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#endif
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fname1 = rb_file_expand_path(fname1, Qnil);
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fname2 = rb_file_expand_path(fname2, Qnil);
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if (RSTRING(fname1)->len != RSTRING(fname2)->len) return Qfalse;
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if (rb_memcicmp(RSTRING(fname1)->ptr, RSTRING(fname2)->ptr, RSTRING(fname1)->len))
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return Qfalse;
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#endif
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return Qtrue;
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}
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/*
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* call-seq:
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* File.size(file_name) => integer
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@ -3221,7 +3301,12 @@ rb_f_test(int argc, VALUE *argv)
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}
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}
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if (strchr("-=<>", cmd)) {
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if (cmd == '-') {
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CHECK(2);
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return test_identical(0, argv[1], argv[2]);
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}
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if (strchr("=<>", cmd)) {
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struct stat st1, st2;
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CHECK(2);
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@ -3229,11 +3314,6 @@ rb_f_test(int argc, VALUE *argv)
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if (rb_stat(argv[2], &st2) < 0) return Qfalse;
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switch (cmd) {
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case '-':
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if (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino)
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return Qtrue;
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return Qfalse;
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case '=':
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if (st1.st_mtime == st2.st_mtime) return Qtrue;
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return Qfalse;
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@ -4200,6 +4280,8 @@ Init_File(void)
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define_filetest_function("setgid?", test_sgid, 1);
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define_filetest_function("sticky?", test_sticky, 1);
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define_filetest_function("identical?", test_identical, 2);
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rb_define_singleton_method(rb_cFile, "stat", rb_file_s_stat, 1);
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rb_define_singleton_method(rb_cFile, "lstat", rb_file_s_lstat, 1);
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rb_define_singleton_method(rb_cFile, "ftype", rb_file_s_ftype, 1);
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@ -44,12 +44,6 @@
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#undef close
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#undef setsockopt
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#ifdef _M_IX86
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# define WIN95 1
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#else
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# undef WIN95
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#endif
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#if defined __BORLANDC__ || defined _WIN32_WCE
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# define _filbuf _fgetc
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# define _flsbuf _fputc
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@ -204,10 +198,10 @@ map_errno(DWORD winerr)
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static char *NTLoginName;
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#ifdef WIN95
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DWORD Win32System = (DWORD)-1;
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static DWORD Win32System = (DWORD)-1;
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static DWORD
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IdOS(void)
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DWORD
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rb_w32_osid(void)
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{
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static OSVERSIONINFO osver;
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@ -219,21 +213,11 @@ IdOS(void)
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}
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return (Win32System);
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}
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static int
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IsWin95(void) {
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return (IdOS() == VER_PLATFORM_WIN32_WINDOWS);
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}
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static int
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IsWinNT(void) {
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return (IdOS() == VER_PLATFORM_WIN32_NT);
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}
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#else
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# define IsWinNT() TRUE
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# define IsWin95() FALSE
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#endif
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#define IsWinNT() rb_w32_iswinnt()
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#define IsWin95() rb_w32_iswin95()
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/* main thread constants */
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static struct {
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HANDLE handle;
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@ -68,6 +68,21 @@ extern "C++" {
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}
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#endif
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#ifdef _M_IX86
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# define WIN95 1
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#else
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# undef WIN95
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#endif
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#ifdef WIN95
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extern DWORD rb_w32_osid(void);
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#define rb_w32_iswinnt() (rb_w32_osid() == VER_PLATFORM_WIN32_NT)
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#define rb_w32_iswin95() (rb_w32_osid() == VER_PLATFORM_WIN32_WINDOWS)
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#else
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#define rb_w32_iswinnt() TRUE
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#define rb_w32_iswin95() FALSE
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#endif
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#define WNOHANG -1
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#undef getc
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