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* ext/etc/etc.c: Etc.sysconf, Etc.confstr and IO#pathconf implemented.
* ext/etc/extconf.rb: Check sysconf(), confstr() and fpathconf(). * ext/etc/mkconstants.rb: New file. [ruby-core:62600] [Feature #9842] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45984 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr
parent
63a23dc678
commit
ea1a4f2929
8 changed files with 519 additions and 1 deletions
3
.gitignore
vendored
3
.gitignore
vendored
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@ -110,6 +110,9 @@ y.tab.c
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/ext/dl/callback/callback-*.c
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/ext/dl/callback/callback.c
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# /ext/etc/
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/ext/etc/constdefs.h
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# /ext/rbconfig/
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/ext/rbconfig/sizeof/sizes.c
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10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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Sun May 18 10:46:04 2014 Tanaka Akira <akr@fsij.org>
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* ext/etc/etc.c: Etc.sysconf, Etc.confstr and IO#pathconf implemented.
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* ext/etc/extconf.rb: Check sysconf(), confstr() and fpathconf().
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* ext/etc/mkconstants.rb: New file.
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[ruby-core:62600] [Feature #9842]
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Sun May 18 09:58:17 2014 Tanaka Akira <akr@fsij.org>
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* ext/etc/etc.c: Etc.uname method implemented.
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3
NEWS
3
NEWS
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@ -86,6 +86,9 @@ with all sufficient information, see the ChangeLog file.
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* Etc
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* New methods:
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* Etc.uname
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* Etc.sysconf
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* Etc.confstr
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* IO#pathconf
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* Find, Pathname
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* Extended methods:
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@ -1,3 +1,8 @@
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etc.o : etc.c $(HDRS) $(ruby_headers) \
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etc.o : etc.c constdefs.h $(HDRS) $(ruby_headers) \
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$(hdrdir)/ruby/encoding.h \
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$(hdrdir)/ruby/oniguruma.h
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constdefs.h : $(srcdir)/mkconstants.rb
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@echo "generating constant definitions"
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@$(RUBY) $(srcdir)/mkconstants.rb -o constdefs.h
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130
ext/etc/etc.c
130
ext/etc/etc.c
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@ -9,6 +9,7 @@
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#include "ruby.h"
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#include "ruby/encoding.h"
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#include "ruby/io.h"
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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@ -23,6 +24,8 @@
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#include <grp.h>
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#endif
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#include <errno.h>
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#ifdef HAVE_SYS_UTSNAME_H
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#include <sys/utsname.h>
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#endif
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@ -44,6 +47,8 @@ char *getenv();
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#endif
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char *getlogin();
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#include "constdefs.h"
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/* call-seq:
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* getlogin -> String
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*
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@ -684,6 +689,126 @@ etc_uname(VALUE obj)
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#define etc_uname rb_f_notimplement
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#endif
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#ifdef HAVE_SYSCONF
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/*
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* Returns system configuration variable using sysconf().
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*
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* _name_ should be a constant undef <code>Etc</code> which begins with <code>SC_</code>.
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*
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* The return value is an integer or nil.
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* nil means indefinite limit. (sysconf() returns -1 but errno is not set.)
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*
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* Etc.sysconf(Etc::SC_ARG_MAX) #=> 2097152
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*
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* # Number of processors.
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* # It is not standardized.
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* Etc.sysconf(Etc::SC_NPROCESSORS_ONLN) #=> 4
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*
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*/
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static VALUE
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etc_sysconf(VALUE obj, VALUE arg)
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{
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int name;
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long ret;
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name = NUM2INT(arg);
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errno = 0;
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ret = sysconf(name);
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if (ret == -1) {
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if (errno == 0) /* no limit */
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return Qnil;
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rb_sys_fail("sysconf");
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}
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return LONG2NUM(ret);
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}
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#else
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#define etc_sysconf rb_f_notimplement
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#endif
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#ifdef HAVE_CONFSTR
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/*
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* Returns system configuration variable using confstr().
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*
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* _name_ should be a constant undef <code>Etc</code> which begins with <code>CS_</code>.
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*
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* The return value is a string or nil.
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* nil means no configuration-defined value. (confstr() returns 0 but errno is not set.)
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*
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* Etc.confstr(Etc::CS_PATH) #=> "/bin:/usr/bin"
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*
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* # GNU/Linux
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* Etc.confstr(Etc::CS_GNU_LIBC_VERSION) #=> "glibc 2.18"
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* Etc.confstr(Etc::CS_GNU_LIBPTHREAD_VERSION) #=> "NPTL 2.18"
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*
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*/
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static VALUE
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etc_confstr(VALUE obj, VALUE arg)
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{
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int name;
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char localbuf[128], *buf = localbuf;
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size_t bufsize = sizeof(localbuf), ret;
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VALUE tmp;
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name = NUM2INT(arg);
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errno = 0;
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ret = confstr(name, buf, bufsize);
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if (bufsize < ret) {
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bufsize = ret;
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buf = ALLOCV_N(char, tmp, bufsize);
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errno = 0;
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ret = confstr(name, buf, bufsize);
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}
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if (bufsize < ret)
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rb_bug("required buffer size for confstr() changed dynamically.");
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if (ret == 0) {
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if (errno == 0) /* no configuration-defined value */
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return Qnil;
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rb_sys_fail("confstr");
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}
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return rb_str_new_cstr(buf);
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}
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#else
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#define etc_confstr rb_f_notimplement
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#endif
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#ifdef HAVE_FPATHCONF
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/*
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* Returns pathname configuration variable using fpathconf().
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*
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* _name_ should be a constant undef <code>Etc</code> which begins with <code>PC_</code>.
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*
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* The return value is an integer or nil.
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* nil means indefinite limit. (fpathconf() returns -1 but errno is not set.)
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*
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* open("/") {|f| p f.pathconf(Etc::PC_NAME_MAX) } #=> 255
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*
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*/
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static VALUE
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io_pathconf(VALUE io, VALUE arg)
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{
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int name;
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long ret;
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rb_io_t *fptr;
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name = NUM2INT(arg);
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GetOpenFile(io, fptr);
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errno = 0;
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ret = fpathconf(fptr->fd, name);
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if (ret == -1) {
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if (errno == 0) /* no limit */
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return Qnil;
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rb_sys_fail("fpathconf");
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}
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return LONG2NUM(ret);
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}
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#else
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#define io_pathconf rb_f_notimplement
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#endif
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/*
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* The Etc module provides access to information typically stored in
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* files in the /etc directory on Unix systems.
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@ -716,6 +841,8 @@ Init_etc(void)
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VALUE mEtc;
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mEtc = rb_define_module("Etc");
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init_constants(mEtc);
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rb_define_module_function(mEtc, "getlogin", etc_getlogin, 0);
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rb_define_module_function(mEtc, "getpwuid", etc_getpwuid, -1);
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@ -734,6 +861,9 @@ Init_etc(void)
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rb_define_module_function(mEtc, "sysconfdir", etc_sysconfdir, 0);
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rb_define_module_function(mEtc, "systmpdir", etc_systmpdir, 0);
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rb_define_module_function(mEtc, "uname", etc_uname, 0);
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rb_define_module_function(mEtc, "sysconf", etc_sysconf, 1);
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rb_define_module_function(mEtc, "confstr", etc_confstr, 1);
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rb_define_method(rb_cIO, "pathconf", io_pathconf, 1);
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sPasswd = rb_struct_define_under(mEtc, "Passwd",
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"name",
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@ -14,6 +14,10 @@ have_func("getgrent")
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sysconfdir = RbConfig.expand(RbConfig::CONFIG["sysconfdir"].dup, "prefix"=>"", "DESTDIR"=>"")
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$defs.push("-DSYSCONFDIR=#{Shellwords.escape(sysconfdir.dump)}")
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have_func("sysconf")
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have_func("confstr")
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have_func("fpathconf")
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have_struct_member('struct passwd', 'pw_gecos', 'pwd.h')
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have_struct_member('struct passwd', 'pw_change', 'pwd.h')
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have_struct_member('struct passwd', 'pw_quota', 'pwd.h')
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329
ext/etc/mkconstants.rb
Normal file
329
ext/etc/mkconstants.rb
Normal file
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@ -0,0 +1,329 @@
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require 'optparse'
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require 'erb'
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C_ESC = {
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"\\" => "\\\\",
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'"' => '\"',
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"\n" => '\n',
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}
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0x00.upto(0x1f) {|ch| C_ESC[[ch].pack("C")] ||= "\\%03o" % ch }
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0x7f.upto(0xff) {|ch| C_ESC[[ch].pack("C")] = "\\%03o" % ch }
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C_ESC_PAT = Regexp.union(*C_ESC.keys)
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def c_str(str)
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'"' + str.gsub(C_ESC_PAT) {|s| C_ESC[s]} + '"'
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end
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opt = OptionParser.new
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opt.def_option('-h', 'help') {
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puts opt
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exit 0
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}
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opt_o = nil
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opt.def_option('-o FILE', 'specify output file') {|filename|
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opt_o = filename
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}
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opt_H = nil
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opt.def_option('-H FILE', 'specify output header file') {|filename|
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opt_H = filename
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}
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opt.parse!
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h = {}
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COMMENTS = Hash.new { |h, name| h[name] = name }
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DATA.each_line {|s|
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next if /\A\s*(\#|\z)/ =~ s
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name, default_value, comment = s.chomp.split(/\s+/, 3)
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default_value = nil if default_value == 'nil'
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if h.has_key? name
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warn "#{$.}: warning: duplicate name: #{name}"
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next
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end
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h[name] = default_value
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COMMENTS[name] = comment
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}
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DEFS = h.to_a
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def each_const
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DEFS.each {|name, default_value|
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yield name, default_value
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}
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end
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def each_name(pat)
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DEFS.each {|name, default_value|
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next if pat !~ name
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yield name
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}
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end
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ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls")
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% each_const {|name, default_value|
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#if !defined(<%=name%>)
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# if defined(HAVE_CONST_<%=name.upcase%>)
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# define <%=name%> <%=name%>
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%if default_value
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# else
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# define <%=name%> <%=default_value%>
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%end
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# endif
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#endif
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% }
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EOS
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ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs")
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% each_const {|name, default_value|
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#if defined(<%=name%>)
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/* <%= COMMENTS[name] %> */
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rb_define_const(mod, <%=c_str name.sub(/\A_*/, '')%>, INTEGER2NUM(<%=name%>));
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#endif
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% }
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EOS
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header_result = ERB.new(<<'EOS', nil, '%').result(binding)
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/* autogenerated file */
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<%= gen_const_decls %>
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EOS
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result = ERB.new(<<'EOS', nil, '%').result(binding)
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/* autogenerated file */
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#ifdef HAVE_LONG_LONG
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#define INTEGER2NUM(n) \
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(FIXNUM_MAX < (n) ? ULL2NUM(n) : \
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FIXNUM_MIN > (LONG_LONG)(n) ? LL2NUM(n) : \
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LONG2FIX(n))
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#else
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#define INTEGER2NUM(n) \
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(FIXNUM_MAX < (n) ? ULONG2NUM(n) : \
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FIXNUM_MIN > (long)(n) ? LONG2NUM(n) : \
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LONG2FIX(n))
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#endif
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static void
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init_constants(VALUE mod)
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{
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<%= gen_const_defs %>
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}
|
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EOS
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|
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if opt_H
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File.open(opt_H, 'w') {|f|
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f << header_result
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}
|
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else
|
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result = header_result + result
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end
|
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|
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if opt_o
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File.open(opt_o, 'w') {|f|
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f << result
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}
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else
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$stdout << result
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end
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|
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__END__
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# SUSv4
|
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_SC_AIO_LISTIO_MAX
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_SC_AIO_MAX
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_SC_AIO_PRIO_DELTA_MAX
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_SC_ARG_MAX
|
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_SC_ATEXIT_MAX
|
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_SC_BC_BASE_MAX
|
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_SC_BC_DIM_MAX
|
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_SC_BC_SCALE_MAX
|
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_SC_BC_STRING_MAX
|
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_SC_CHILD_MAX
|
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_SC_CLK_TCK
|
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_SC_COLL_WEIGHTS_MAX
|
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_SC_DELAYTIMER_MAX
|
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_SC_EXPR_NEST_MAX
|
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_SC_HOST_NAME_MAX
|
||||
_SC_IOV_MAX
|
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_SC_LINE_MAX
|
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_SC_LOGIN_NAME_MAX
|
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_SC_NGROUPS_MAX
|
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_SC_GETGR_R_SIZE_MAX
|
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_SC_GETPW_R_SIZE_MAX
|
||||
_SC_MQ_OPEN_MAX
|
||||
_SC_MQ_PRIO_MAX
|
||||
_SC_OPEN_MAX
|
||||
_SC_ADVISORY_INFO
|
||||
_SC_BARRIERS
|
||||
_SC_ASYNCHRONOUS_IO
|
||||
_SC_CLOCK_SELECTION
|
||||
_SC_CPUTIME
|
||||
_SC_FSYNC
|
||||
_SC_IPV6
|
||||
_SC_JOB_CONTROL
|
||||
_SC_MAPPED_FILES
|
||||
_SC_MEMLOCK
|
||||
_SC_MEMLOCK_RANGE
|
||||
_SC_MEMORY_PROTECTION
|
||||
_SC_MESSAGE_PASSING
|
||||
_SC_MONOTONIC_CLOCK
|
||||
_SC_PRIORITIZED_IO
|
||||
_SC_PRIORITY_SCHEDULING
|
||||
_SC_RAW_SOCKETS
|
||||
_SC_READER_WRITER_LOCKS
|
||||
_SC_REALTIME_SIGNALS
|
||||
_SC_REGEXP
|
||||
_SC_SAVED_IDS
|
||||
_SC_SEMAPHORES
|
||||
_SC_SHARED_MEMORY_OBJECTS
|
||||
_SC_SHELL
|
||||
_SC_SPAWN
|
||||
_SC_SPIN_LOCKS
|
||||
_SC_SPORADIC_SERVER
|
||||
_SC_SS_REPL_MAX
|
||||
_SC_SYNCHRONIZED_IO
|
||||
_SC_THREAD_ATTR_STACKADDR
|
||||
_SC_THREAD_ATTR_STACKSIZE
|
||||
_SC_THREAD_CPUTIME
|
||||
_SC_THREAD_PRIO_INHERIT
|
||||
_SC_THREAD_PRIO_PROTECT
|
||||
_SC_THREAD_PRIORITY_SCHEDULING
|
||||
_SC_THREAD_PROCESS_SHARED
|
||||
_SC_THREAD_ROBUST_PRIO_INHERIT
|
||||
_SC_THREAD_ROBUST_PRIO_PROTECT
|
||||
_SC_THREAD_SAFE_FUNCTIONS
|
||||
_SC_THREAD_SPORADIC_SERVER
|
||||
_SC_THREADS
|
||||
_SC_TIMEOUTS
|
||||
_SC_TIMERS
|
||||
_SC_TRACE
|
||||
_SC_TRACE_EVENT_FILTER
|
||||
_SC_TRACE_EVENT_NAME_MAX
|
||||
_SC_TRACE_INHERIT
|
||||
_SC_TRACE_LOG
|
||||
_SC_TRACE_NAME_MAX
|
||||
_SC_TRACE_SYS_MAX
|
||||
_SC_TRACE_USER_EVENT_MAX
|
||||
_SC_TYPED_MEMORY_OBJECTS
|
||||
_SC_VERSION
|
||||
_SC_V7_ILP32_OFF32
|
||||
_SC_V7_ILP32_OFFBIG
|
||||
_SC_V7_LP64_OFF64
|
||||
_SC_V7_LPBIG_OFFBIG
|
||||
_SC_V6_ILP32_OFF32
|
||||
_SC_V6_ILP32_OFFBIG
|
||||
_SC_V6_LP64_OFF64
|
||||
_SC_V6_LPBIG_OFFBIG
|
||||
_SC_2_C_BIND
|
||||
_SC_2_C_DEV
|
||||
_SC_2_CHAR_TERM
|
||||
_SC_2_FORT_DEV
|
||||
_SC_2_FORT_RUN
|
||||
_SC_2_LOCALEDEF
|
||||
_SC_2_PBS
|
||||
_SC_2_PBS_ACCOUNTING
|
||||
_SC_2_PBS_CHECKPOINT
|
||||
_SC_2_PBS_LOCATE
|
||||
_SC_2_PBS_MESSAGE
|
||||
_SC_2_PBS_TRACK
|
||||
_SC_2_SW_DEV
|
||||
_SC_2_UPE
|
||||
_SC_2_VERSION
|
||||
_SC_PAGE_SIZE
|
||||
_SC_PAGESIZE
|
||||
_SC_THREAD_DESTRUCTOR_ITERATIONS
|
||||
_SC_THREAD_KEYS_MAX
|
||||
_SC_THREAD_STACK_MIN
|
||||
_SC_THREAD_THREADS_MAX
|
||||
_SC_RE_DUP_MAX
|
||||
_SC_RTSIG_MAX
|
||||
_SC_SEM_NSEMS_MAX
|
||||
_SC_SEM_VALUE_MAX
|
||||
_SC_SIGQUEUE_MAX
|
||||
_SC_STREAM_MAX
|
||||
_SC_SYMLOOP_MAX
|
||||
_SC_TIMER_MAX
|
||||
_SC_TTY_NAME_MAX
|
||||
_SC_TZNAME_MAX
|
||||
_SC_XOPEN_CRYPT
|
||||
_SC_XOPEN_ENH_I18N
|
||||
_SC_XOPEN_REALTIME
|
||||
_SC_XOPEN_REALTIME_THREADS
|
||||
_SC_XOPEN_SHM
|
||||
_SC_XOPEN_STREAMS
|
||||
_SC_XOPEN_UNIX
|
||||
_SC_XOPEN_UUCP
|
||||
_SC_XOPEN_VERSION
|
||||
|
||||
# non-standard
|
||||
_SC_PHYS_PAGES
|
||||
_SC_AVPHYS_PAGES
|
||||
_SC_NPROCESSORS_CONF
|
||||
_SC_NPROCESSORS_ONLN
|
||||
_SC_CPUSET_SIZE
|
||||
|
||||
# SUSv4
|
||||
_CS_PATH
|
||||
_CS_POSIX_V7_ILP32_OFF32_CFLAGS
|
||||
_CS_POSIX_V7_ILP32_OFF32_LDFLAGS
|
||||
_CS_POSIX_V7_ILP32_OFF32_LIBS
|
||||
_CS_POSIX_V7_ILP32_OFFBIG_CFLAGS
|
||||
_CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS
|
||||
_CS_POSIX_V7_ILP32_OFFBIG_LIBS
|
||||
_CS_POSIX_V7_LP64_OFF64_CFLAGS
|
||||
_CS_POSIX_V7_LP64_OFF64_LDFLAGS
|
||||
_CS_POSIX_V7_LP64_OFF64_LIBS
|
||||
_CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS
|
||||
_CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
|
||||
_CS_POSIX_V7_LPBIG_OFFBIG_LIBS
|
||||
_CS_POSIX_V7_THREADS_CFLAGS
|
||||
_CS_POSIX_V7_THREADS_LDFLAGS
|
||||
_CS_POSIX_V7_WIDTH_RESTRICTED_ENVS
|
||||
_CS_V7_ENV
|
||||
_CS_POSIX_V6_ILP32_OFF32_CFLAGS
|
||||
_CS_POSIX_V6_ILP32_OFF32_LDFLAGS
|
||||
_CS_POSIX_V6_ILP32_OFF32_LIBS
|
||||
_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
|
||||
_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
|
||||
_CS_POSIX_V6_ILP32_OFFBIG_LIBS
|
||||
_CS_POSIX_V6_LP64_OFF64_CFLAGS
|
||||
_CS_POSIX_V6_LP64_OFF64_LDFLAGS
|
||||
_CS_POSIX_V6_LP64_OFF64_LIBS
|
||||
_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
|
||||
_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
|
||||
_CS_POSIX_V6_LPBIG_OFFBIG_LIBS
|
||||
_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS
|
||||
_CS_V6_ENV
|
||||
|
||||
# non-standard
|
||||
_CS_GNU_LIBC_VERSION
|
||||
_CS_GNU_LIBPTHREAD_VERSION
|
||||
|
||||
# SUSv4
|
||||
_PC_FILESIZEBITS
|
||||
_PC_LINK_MAX
|
||||
_PC_MAX_CANON
|
||||
_PC_MAX_INPUT
|
||||
_PC_NAME_MAX
|
||||
_PC_PATH_MAX
|
||||
_PC_PIPE_BUF
|
||||
_PC_2_SYMLINKS
|
||||
_PC_ALLOC_SIZE_MIN
|
||||
_PC_REC_INCR_XFER_SIZE
|
||||
_PC_REC_MAX_XFER_SIZE
|
||||
_PC_REC_MIN_XFER_SIZE
|
||||
_PC_REC_XFER_ALIGN
|
||||
_PC_SYMLINK_MAX
|
||||
_PC_CHOWN_RESTRICTED
|
||||
_PC_NO_TRUNC
|
||||
_PC_VDISABLE
|
||||
_PC_ASYNC_IO
|
||||
_PC_PRIO_IO
|
||||
_PC_SYNC_IO
|
||||
_PC_TIMESTAMP_RESOLUTION
|
||||
|
||||
|
|
@ -125,4 +125,38 @@ class TestEtc < Test::Unit::TestCase
|
|||
assert_kind_of(String, uname[sym])
|
||||
}
|
||||
end
|
||||
|
||||
def test_sysconf
|
||||
begin
|
||||
Etc.sysconf
|
||||
rescue NotImplementedError
|
||||
return
|
||||
rescue ArgumentError
|
||||
end
|
||||
assert_kind_of(Integer, Etc.sysconf(Etc::SC_CLK_TCK))
|
||||
end
|
||||
|
||||
def test_confstr
|
||||
begin
|
||||
Etc.confstr
|
||||
rescue NotImplementedError
|
||||
return
|
||||
rescue ArgumentError
|
||||
end
|
||||
assert_kind_of(String, Etc.confstr(Etc::CS_PATH))
|
||||
end
|
||||
|
||||
def test_pathconf
|
||||
begin
|
||||
Etc.confstr
|
||||
rescue NotImplementedError
|
||||
return
|
||||
rescue ArgumentError
|
||||
end
|
||||
IO.pipe {|r, w|
|
||||
val = r.pathconf(Etc::PC_PIPE_BUF)
|
||||
assert(val.nil? || val.kind_of?(Integer))
|
||||
}
|
||||
end
|
||||
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in a new issue