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* file.c (test_wr, test_ww): New functions implementing new

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methods (File::world_readable?, File::world_writable?).

* file.c (S_IRUGO, S_IGUGO): New macros.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5445 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2004-01-12 13:34:26 +00:00
parent a1d3a8e861
commit a739d26d0a
3 changed files with 91 additions and 1 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Mon Jan 12 18:00:11 2004 Ian Macdonald <ian@caliban.org>
* file.c (test_wr, test_ww): New functions implementing new
methods (File::world_readable?, File::world_writable?).
* file.c (S_IRUGO, S_IGUGO): New macros.
Mon Jan 12 12:07:22 2004 Dave Thomas <dave@pragprog.com>
* lib/rdoc/parsers/parse_c.rb (RDoc::C_Parser::do_methods):

83
file.c
View file

@ -1015,6 +1015,50 @@ test_R(obj, fname)
return Qtrue;
}
/*
* call-seq:
* File.world_readable?(file_name) => fixnum or nil
*
* If <i>file_name</i> is readable by others, returns an integer
* representing the file permission bits of <i>file_name</i>. Returns
* <code>nil</code> otherwise. The meaning of the bits is platform
* dependent; on Unix systems, see <code>stat(2)</code>.
*
* File.world_readable?("/etc/passwd") # => 420
* m = File.world_readable?("/etc/passwd")
* sprintf("%o", m) # => "644"
*/
#ifndef S_IRUGO
# define S_IRUGO (S_IRUSR | S_IRGRP | S_IROTH)
#endif
#ifndef S_IWUGO
# define S_IWUGO (S_IWUSR | S_IWGRP | S_IWOTH)
#endif
static VALUE
test_wr(obj, fname)
VALUE obj, fname;
{
#ifdef S_IROTH
struct stat st;
if (rb_stat(fname, &st) < 0) return Qfalse;
if ((st.st_mode & (S_IROTH)) == S_IROTH) {
#ifdef __BORLANDC__
return UINT2NUM((unsigned short)(st.st_mode &
(S_IRUGO|S_IWUGO|S_IXUGO)));
#else
return UINT2NUM(st.st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
#endif
}
else {
return Qnil;
}
#endif
return Qfalse;
}
/*
* call-seq:
@ -1050,6 +1094,43 @@ test_W(obj, fname)
return Qtrue;
}
/*
* call-seq:
* File.world_writable?(file_name) => fixnum or nil
*
* If <i>file_name</i> is writable by others, returns an integer
* representing the file permission bits of <i>file_name</i>. Returns
* <code>nil</code> otherwise. The meaning of the bits is platform
* dependent; on Unix systems, see <code>stat(2)</code>.
*
* File.world_writable?("/tmp") #=> 511
* m = File.world_writable?("/tmp")
* sprintf("%o", m) #=> "777"
*/
static VALUE
test_ww(obj, fname)
VALUE obj, fname;
{
#ifdef S_IWOTH
struct stat st;
if (rb_stat(fname, &st) < 0) return Qfalse;
if ((st.st_mode & (S_IWOTH)) == S_IWOTH) {
#ifdef __BORLANDC__
return UINT2NUM((unsigned short)(st.st_mode &
(S_IRUGO|S_IWUGO|S_IXUGO)));
#else
return UINT2NUM(st.st_mode & (S_IRUGO|S_IWUGO|S_IXUGO));
#endif
}
else {
return Qnil;
}
#endif
return Qfalse;
}
/*
* call-seq:
* File.executable?(file_name) => true or false
@ -4052,8 +4133,10 @@ Init_File()
define_filetest_function("exists?", test_e, 1); /* temporary */
define_filetest_function("readable?", test_r, 1);
define_filetest_function("readable_real?", test_R, 1);
define_filetest_function("world_readable?", test_wr, 1);
define_filetest_function("writable?", test_w, 1);
define_filetest_function("writable_real?", test_W, 1);
define_filetest_function("world_writable?", test_ww, 1);
define_filetest_function("executable?", test_x, 1);
define_filetest_function("executable_real?", test_X, 1);
define_filetest_function("file?", test_f, 1);

2
lib/cgi.rb
View file

@ -923,7 +923,7 @@ class CGI
%w[ CONTENT_LENGTH SERVER_PORT ].each do |env|
define_method(env.sub(/^HTTP_/n, '').downcase) do
val = env_table[env] && Integer(val)
(val = env_table[env]) && Integer(val)
end
end