e$B$J$+$@$G$9!#e(B
Etc.each_passwde$B$de(BEtc.each_groupe$B$H$$$&$b$N$r;W$$$D$-$^$7$?!#e(B
e$B$^$?!"JLL>$H$7$Fe(BEtc::Passwd.eache$B$de(BEtc.::Group.eache$B$b!#e(B
e$B%Q%9%o!<%I$r@_Dj$7$F$$$J$$%f!<%6L>$N%j%9%He(B
Etc::Passwd.find_all {|u| u.passwd == “”}.map(&:name)
e$B$H$+!#e(B
Index: ext/etc/etc.c
— ext/etc/etc.c (revision 22104)
+++ ext/etc/etc.c (working copy)
@@ -187,4 +187,14 @@ passwd_iterate(void)
return Qnil;
}
+
+static void
+each_passwd(void)
+{
- if (passwd_blocking) {
- rb_raise(rb_eRuntimeError, “parallel passwd iteration”);
- }
- passwd_blocking = Qtrue;
- rb_ensure(passwd_iterate, 0, passwd_ensure, 0);
+}
#endif
@@ -212,11 +222,7 @@ etc_passwd(VALUE obj)
rb_secure(4);
if (rb_block_given_p()) {
- if (passwd_blocking) {
-
rb_raise(rb_eRuntimeError, "parallel passwd iteration"); - }
- passwd_blocking = Qtrue;
- rb_ensure(passwd_iterate, 0, passwd_ensure, 0);
- each_passwd();
}
- if (pw = getpwent()) {
- else if (pw = getpwent()) {
return setup_passwd(pw);
}
@@ -225,4 +231,32 @@ etc_passwd(VALUE obj)
}
+/* Iterates for each entry in the /etc/passwd file if a block is given.
-
- If no block is given, returns the enumerator.
-
-
- The code block is passed an Struct::Passwd struct; see getpwent
above for
- The code block is passed an Struct::Passwd struct; see getpwent
-
- details.
-
-
- Example:
-
-
-
require 'etc'
-
-
-
-
Etc.each_passwd {|u|
-
-
-
puts u.name + " = " + u.gecos
-
-
-
}
-
-
-
-
Etc.each_passwd.collect {|u| u.gecos}
-
-
-
Etc::Passwd.collect {|u| u.gecos}
-
-
- */
+static VALUE
+etc_each_passwd(VALUE obj)
+{
+#ifdef HAVE_GETPWENT - RETURN_ENUMERATOR(obj, 0, 0);
- each_passwd();
+#endif - return obj;
+}
/* Resets the process of reading the /etc/passwd file, so that the next
call
- to getpwent will return the first entry again.
@@ -391,4 +425,14 @@ group_iterate(void)
return Qnil;
}
+static void
+each_group(void)
+{
- if (group_blocking) {
- rb_raise(rb_eRuntimeError, “parallel group iteration”);
- }
- group_blocking = Qtrue;
- rb_ensure(group_iterate, 0, group_ensure, 0);
+}
#endif
@@ -416,11 +460,7 @@ etc_group(VALUE obj)
rb_secure(4);
if (rb_block_given_p()) {
- if (group_blocking) {
-
rb_raise(rb_eRuntimeError, "parallel group iteration"); - }
- group_blocking = Qtrue;
- rb_ensure(group_iterate, 0, group_ensure, 0);
- each_group();
}
- if (grp = getgrent()) {
- else if (grp = getgrent()) {
return setup_group(grp);
}
@@ -429,4 +469,32 @@ etc_group(VALUE obj)
}
+/* Iterates for each entry in the /etc/group file if a block is given.
-
- If no block is given, returns the enumerator.
-
-
- The code block is passed an Struct::Group struct; see getpwent above
for
- The code block is passed an Struct::Group struct; see getpwent above
-
- details.
-
-
- Example:
-
-
-
require 'etc'
-
-
-
-
Etc.each_group {|g|
-
-
-
puts g.name + ": " + g.mem.join(', ')
-
-
-
}
-
-
-
-
Etc.each_group.collect {|g| g.name}
-
-
-
Etc::Group.select {|g| !g.mem.empty?}
-
-
- */
+static VALUE
+etc_each_group(VALUE obj)
+{
+#ifdef HAVE_GETPWENT - RETURN_ENUMERATOR(obj, 0, 0);
- each_group();
+#endif - return obj;
+}
/* Resets the process of reading the /etc/group file, so that the next
call
- to getgrent will return the first entry again.
@@ -505,8 +573,10 @@ Init_etc(void)
rb_define_module_function(mEtc, “getpwent”, etc_getpwent, 0);
rb_define_module_function(mEtc, “passwd”, etc_passwd, 0);
-
rb_define_module_function(mEtc, “each_passwd”, etc_each_passwd, 0);
rb_define_module_function(mEtc, “getgrgid”, etc_getgrgid, -1);
rb_define_module_function(mEtc, “getgrnam”, etc_getgrnam, 1);
rb_define_module_function(mEtc, “group”, etc_group, 0); -
rb_define_module_function(mEtc, “each_group”, etc_each_group, 0);
rb_define_module_function(mEtc, “setgrent”, etc_setgrent, 0);
rb_define_module_function(mEtc, “endgrent”, etc_endgrent, 0);
@@ -539,4 +609,6 @@ Init_etc(void)
NULL);
rb_define_const(mEtc, “Passwd”, sPasswd); -
rb_extend_object(sPasswd, rb_mEnumerable);
-
rb_define_singleton_method(sPasswd, “each”, etc_each_passwd, 0);
#ifdef HAVE_GETGRENT
@@ -548,4 +620,6 @@ Init_etc(void)
rb_define_const(mEtc, "Group", sGroup);
- rb_extend_object(sGroup, rb_mEnumerable);
- rb_define_singleton_method(sGroup, “each”, etc_each_group, 0);
#endif
}