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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2007-03-22 21:23:21 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2007-03-22 21:23:21 +0000 |
commit | cbf5993c43f49281173f185863577d86bfac6eae (patch) | |
tree | 90737c96cf15b97273a2bdc5950b3cf09f1d94ca /m4/getpass.m4 | |
download | coreutils-tarball-cbf5993c43f49281173f185863577d86bfac6eae.tar.gz |
coreutils-6.9coreutils-6.9
Diffstat (limited to 'm4/getpass.m4')
-rw-r--r-- | m4/getpass.m4 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/m4/getpass.m4 b/m4/getpass.m4 new file mode 100644 index 0000000..54348ce --- /dev/null +++ b/m4/getpass.m4 @@ -0,0 +1,47 @@ +# getpass.m4 serial 10 +dnl Copyright (C) 2002-2003, 2005-2006 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. + +# Provide a getpass() function if the system doesn't have it. +AC_DEFUN([gl_FUNC_GETPASS], +[ + AC_REPLACE_FUNCS(getpass) + AC_CHECK_DECLS_ONCE(getpass) + if test $ac_cv_func_getpass = no; then + gl_PREREQ_GETPASS + fi +]) + +# Provide the GNU getpass() implementation. It supports passwords of +# arbitrary length (not just 8 bytes as on HP-UX). +AC_DEFUN([gl_FUNC_GETPASS_GNU], +[ + AC_CHECK_DECLS_ONCE(getpass) + dnl TODO: Detect when GNU getpass() is already found in glibc. + AC_LIBOBJ(getpass) + gl_PREREQ_GETPASS + dnl We must choose a different name for our function, since on ELF systems + dnl an unusable getpass() in libc.so would override our getpass() if it is + dnl compiled into a shared library. + AC_DEFINE([getpass], [gnu_getpass], + [Define to a replacement function name for getpass().]) +]) + +# Prerequisites of lib/getpass.c. +AC_DEFUN([gl_PREREQ_GETPASS], [ + AC_CHECK_HEADERS_ONCE(stdio_ext.h termios.h) + AC_CHECK_FUNCS_ONCE(__fsetlocking tcgetattr tcsetattr) + AC_CHECK_DECLS([__fsetlocking],,, + [#include <stdio.h> + #if HAVE_STDIO_EXT_H + #include <stdio_ext.h> + #endif]) + AC_CHECK_DECLS_ONCE([fflush_unlocked]) + AC_CHECK_DECLS_ONCE([flockfile]) + AC_CHECK_DECLS_ONCE([fputs_unlocked]) + AC_CHECK_DECLS_ONCE([funlockfile]) + AC_CHECK_DECLS_ONCE([putc_unlocked]) + : +]) |