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NEWS.stable: log cherry-pick [a0d9972]->[21d1619] freopen: Don't crash if the filenam...
[gnulib.git]
/
m4
/
canonicalize.m4
diff --git
a/m4/canonicalize.m4
b/m4/canonicalize.m4
index
f554025
..
ba7a38b
100644
(file)
--- a/
m4/canonicalize.m4
+++ b/
m4/canonicalize.m4
@@
-1,6
+1,6
@@
-# canonicalize.m4 serial
17
+# canonicalize.m4 serial
23
-dnl Copyright (C) 2003-2007, 2009-201
0
Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2007, 2009-201
1
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 This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
@@
-10,8
+10,6
@@
dnl with or without modifications, as long as this notice is preserved.
# not provide or fix realpath.
AC_DEFUN([gl_FUNC_CANONICALIZE_FILENAME_MODE],
[
# not provide or fix realpath.
AC_DEFUN([gl_FUNC_CANONICALIZE_FILENAME_MODE],
[
- AC_LIBOBJ([canonicalize])
-
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_CHECK_FUNCS_ONCE([canonicalize_file_name])
AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_CHECK_FUNCS_ONCE([canonicalize_file_name])
AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
@@
-26,24
+24,23
@@
AC_DEFUN([gl_FUNC_CANONICALIZE_FILENAME_MODE],
# Provides canonicalize_file_name and realpath.
AC_DEFUN([gl_CANONICALIZE_LGPL],
[
# Provides canonicalize_file_name and realpath.
AC_DEFUN([gl_CANONICALIZE_LGPL],
[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([gl_CANONICALIZE_LGPL_SEPARATE])
if test $ac_cv_func_canonicalize_file_name = no; then
HAVE_CANONICALIZE_FILE_NAME=0
AC_REQUIRE([gl_CANONICALIZE_LGPL_SEPARATE])
if test $ac_cv_func_canonicalize_file_name = no; then
HAVE_CANONICALIZE_FILE_NAME=0
- AC_LIBOBJ([canonicalize-lgpl])
if test $ac_cv_func_realpath = no; then
HAVE_REALPATH=0
elif test "$gl_cv_func_realpath_works" != yes; then
REPLACE_REALPATH=1
fi
elif test "$gl_cv_func_realpath_works" != yes; then
if test $ac_cv_func_realpath = no; then
HAVE_REALPATH=0
elif test "$gl_cv_func_realpath_works" != yes; then
REPLACE_REALPATH=1
fi
elif test "$gl_cv_func_realpath_works" != yes; then
- AC_LIBOBJ([canonicalize-lgpl])
- REPLACE_REALPATH=1
REPLACE_CANONICALIZE_FILE_NAME=1
REPLACE_CANONICALIZE_FILE_NAME=1
+ REPLACE_REALPATH=1
fi
])
# Like gl_CANONICALIZE_LGPL, except prepare for separate compilation
fi
])
# Like gl_CANONICALIZE_LGPL, except prepare for separate compilation
-# (no AC_LIBOBJ).
+# (no
REPLACE_CANONICALIZE_FILE_NAME, no REPLACE_REALPATH, no
AC_LIBOBJ).
AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE],
[
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE],
[
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
@@
-61,9
+58,12
@@
AC_DEFUN([gl_FUNC_REALPATH_WORKS],
AC_CHECK_FUNCS_ONCE([realpath])
AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [
touch conftest.a
AC_CHECK_FUNCS_ONCE([realpath])
AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [
touch conftest.a
+ mkdir conftest.d
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
+ ]GL_NOCRASH[
#include <stdlib.h>
#include <stdlib.h>
+ #include <string.h>
]], [[
int result = 0;
{
]], [[
int result = 0;
{
@@
-81,10
+81,17
@@
AC_DEFUN([gl_FUNC_REALPATH_WORKS],
if (name != NULL)
result |= 4;
}
if (name != NULL)
result |= 4;
}
+ {
+ char *name1 = realpath (".", NULL);
+ char *name2 = realpath ("conftest.d//./..", NULL);
+ if (strcmp (name1, name2) != 0)
+ result |= 8;
+ }
return result;
]])
], [gl_cv_func_realpath_works=yes], [gl_cv_func_realpath_works=no],
[gl_cv_func_realpath_works="guessing no"])
return result;
]])
], [gl_cv_func_realpath_works=yes], [gl_cv_func_realpath_works=no],
[gl_cv_func_realpath_works="guessing no"])
+ rm -rf conftest.a conftest.d
])
if test "$gl_cv_func_realpath_works" = yes; then
AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath()
])
if test "$gl_cv_func_realpath_works" = yes; then
AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath()