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configure.in: rb_cv_getcwd_malloc

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* configure.in (rb_cv_getcwd_malloc): check if getcwd allocates
  buffer if NULL is given [ruby-core:62072] [Bug #9752]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45615 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2014-04-17 23:50:20 +00:00
parent 2254fc650b
commit f8d6453704
2 changed files with 36 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Fri Apr 18 08:50:18 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (rb_cv_getcwd_malloc): check if getcwd allocates
buffer if NULL is given [ruby-core:62072] [Bug #9752]
Thu Apr 17 16:28:10 2014 SHIBATA Hiroshi <shibata.hiroshi@gmail.com>
* prelude.rb: [DOC] Update Thread::exclusive docs by @stevenharman.

31
configure.in
View file

@ -2008,6 +2008,37 @@ AC_CHECK_FUNCS(utimes)
AC_CHECK_FUNCS(wait4)
AC_CHECK_FUNCS(waitpid)
AS_IF([test "$ac_cv_func_getcwd" = yes], [
AC_CACHE_CHECK(if getcwd allocates buffer if NULL is given, [rb_cv_getcwd_malloc],
[AC_TRY_RUN([
@%:@include <stddef.h>
@%:@include <stdio.h>
@%:@ifdef HAVE_UNISTD_H
@%:@include <unistd.h>
@%:@endif
@%:@ifndef EXIT_SUCCESS
@%:@define EXIT_SUCCESS 0
@%:@endif
@%:@ifndef EXIT_FAILURE
@%:@define EXIT_FAILURE 1
@%:@endif
int
main(int argc, char **argv)
{
if (!getcwd(NULL, 0)) return EXIT_FAILURE;
return EXIT_SUCCESS;
}
],
rb_cv_getcwd_malloc=yes,
rb_cv_getcwd_malloc=no,
AS_CASE($target_os,
[linux*|darwin*|*bsd|cygwin*|mingw*|mswin*],
[rb_cv_getcwd_malloc=yes],
[rb_cv_getcwd_malloc=no]))])
AS_IF([test "$rb_cv_getcwd_malloc" = no], [AC_DEFINE(NO_GETCWD_MALLOC, 1)])
])
AC_DEFUN([RUBY_CHECK_BUILTIN_FUNC], [dnl
AC_CACHE_CHECK([for $1], AS_TR_SH(rb_cv_builtin_$1),
[AC_LINK_IFELSE(