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authorAndreas Rottmann <a.rottmann@gmx.at>2009-09-14 12:34:39 +0200
committerAndreas Rottmann <a.rottmann@gmx.at>2009-09-14 12:34:39 +0200
commit79ca645d222db2e158784642c3b464a47bea26f3 (patch)
tree73fa0e7f2f509013ca7ea3395b268c8471b2355b /gnulib-m4/open.m4
parent8a927bfd7da41dbe61f3cfeaccbd37c761c0bc36 (diff)
parent3bebb94360f1c2333feb8d504a9fa4f96984d8b7 (diff)
Merge commit 'upstream/0.9.1.1'
Diffstat (limited to 'gnulib-m4/open.m4')
-rw-r--r--gnulib-m4/open.m465
1 files changed, 65 insertions, 0 deletions
diff --git a/gnulib-m4/open.m4 b/gnulib-m4/open.m4
new file mode 100644
index 00000000..c0eb8e86
--- /dev/null
+++ b/gnulib-m4/open.m4
@@ -0,0 +1,65 @@
+# open.m4 serial 7
+dnl Copyright (C) 2007-2009 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_OPEN],
+[
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ case "$host_os" in
+ mingw* | pw*)
+ gl_REPLACE_OPEN
+ ;;
+ *)
+ dnl open("foo/") should not create a file when the file name has a
+ dnl trailing slash.
+ AC_CACHE_CHECK([whether open recognizes a trailing slash],
+ [gl_cv_func_open_slash],
+ [
+ AC_TRY_RUN([
+#include <fcntl.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+int main ()
+{
+ return open ("conftest.sl/", O_CREAT, 0600) >= 0;
+}], [gl_cv_func_open_slash=yes], [gl_cv_func_open_slash=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ solaris2.[0-9]*) gl_cv_func_open_slash="guessing no" ;;
+ hpux*) gl_cv_func_open_slash="guessing no" ;;
+ *) gl_cv_func_open_slash="guessing yes" ;;
+ esac
+changequote([,])dnl
+ ])
+ rm -f conftest.sl
+ ])
+ case "$gl_cv_func_open_slash" in
+ *no)
+ AC_DEFINE([OPEN_TRAILING_SLASH_BUG], [1],
+ [Define to 1 if open() fails to recognize a trailing slash.])
+ gl_REPLACE_OPEN
+ ;;
+ esac
+ ;;
+ esac
+])
+
+AC_DEFUN([gl_REPLACE_OPEN],
+[
+ AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
+ REPLACE_OPEN=1
+ AC_LIBOBJ([open])
+ gl_PREREQ_OPEN
+])
+
+# Prerequisites of lib/open.c.
+AC_DEFUN([gl_PREREQ_OPEN],
+[
+ AC_REQUIRE([AC_C_INLINE])
+ AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T])
+ :
+])