2012-01-12 Bruno Haible <bruno@clisp.org>
+ random_r: Override incompatible API on AIX, OSF/1.
+ * lib/stdlib.in.h (random_r, srandom_r, initstate_r, setstate_r):
+ Override the system function if REPLACE_RANDOM_R is 1.
+ * m4/random_r.m4 (gl_FUNC_RANDOM_R): Require AC_CANONICAL_HOST. On AIX
+ and OSF/1, set REPLACE_RANDOM_R.
+ * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Initialize REPLACE_RANDOM_R.
+ * modules/stdlib (Makefile.am): Substitute REPLACE_RANDOM_R.
+ * modules/random_r (configure.ac): Test REPLACE_RANDOM_R.
+ * doc/glibc-functions/initstate_r.texi: Mention the AIX, OSF/1 problem.
+ * doc/glibc-functions/random_r.texi: Likewise.
+ * doc/glibc-functions/setstate_r.texi: Likewise.
+
random_r: Support for MSVC 9.
* lib/random_r.c: Include stdint.h, not inttypes.h.
# include <random.h>
# endif
-# if !@HAVE_STRUCT_RANDOM_DATA@ || !@HAVE_RANDOM_R@
+# if !@HAVE_STRUCT_RANDOM_DATA@ || @REPLACE_RANDOM_R@ || !@HAVE_RANDOM_R@
# include <stdint.h>
# endif
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef random_r
+# define random_r rpl_random_r
+# endif
+_GL_FUNCDECL_RPL (random_r, int, (struct random_data *buf, int32_t *result)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (random_r, int, (struct random_data *buf, int32_t *result));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (random_r, int, (struct random_data *buf, int32_t *result)
_GL_ARG_NONNULL ((1, 2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (random_r, int, (struct random_data *buf, int32_t *result));
+# endif
_GL_CXXALIASWARN (random_r);
#elif defined GNULIB_POSIXCHECK
# undef random_r
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef srandom_r
+# define srandom_r rpl_srandom_r
+# endif
+_GL_FUNCDECL_RPL (srandom_r, int,
+ (unsigned int seed, struct random_data *rand_state)
+ _GL_ARG_NONNULL ((2)));
+_GL_CXXALIAS_RPL (srandom_r, int,
+ (unsigned int seed, struct random_data *rand_state));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (srandom_r, int,
(unsigned int seed, struct random_data *rand_state)
_GL_ARG_NONNULL ((2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (srandom_r, int,
(unsigned int seed, struct random_data *rand_state));
+# endif
_GL_CXXALIASWARN (srandom_r);
#elif defined GNULIB_POSIXCHECK
# undef srandom_r
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef initstate_r
+# define initstate_r rpl_initstate_r
+# endif
+_GL_FUNCDECL_RPL (initstate_r, int,
+ (unsigned int seed, char *buf, size_t buf_size,
+ struct random_data *rand_state)
+ _GL_ARG_NONNULL ((2, 4)));
+_GL_CXXALIAS_RPL (initstate_r, int,
+ (unsigned int seed, char *buf, size_t buf_size,
+ struct random_data *rand_state));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (initstate_r, int,
(unsigned int seed, char *buf, size_t buf_size,
struct random_data *rand_state)
_GL_ARG_NONNULL ((2, 4)));
-# endif
+# endif
_GL_CXXALIAS_SYS (initstate_r, int,
(unsigned int seed, char *buf, size_t buf_size,
struct random_data *rand_state));
+# endif
_GL_CXXALIASWARN (initstate_r);
#elif defined GNULIB_POSIXCHECK
# undef initstate_r
#endif
#if @GNULIB_RANDOM_R@
-# if !@HAVE_RANDOM_R@
+# if @REPLACE_RANDOM_R@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef setstate_r
+# define setstate_r rpl_setstate_r
+# endif
+_GL_FUNCDECL_RPL (setstate_r, int,
+ (char *arg_state, struct random_data *rand_state)
+ _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (setstate_r, int,
+ (char *arg_state, struct random_data *rand_state));
+# else
+# if !@HAVE_RANDOM_R@
_GL_FUNCDECL_SYS (setstate_r, int,
(char *arg_state, struct random_data *rand_state)
_GL_ARG_NONNULL ((1, 2)));
-# endif
+# endif
_GL_CXXALIAS_SYS (setstate_r, int,
(char *arg_state, struct random_data *rand_state));
+# endif
_GL_CXXALIASWARN (setstate_r);
#elif defined GNULIB_POSIXCHECK
# undef setstate_r
-# serial 4
+# serial 5
dnl Copyright (C) 2008-2012 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_DEFUN([gl_FUNC_RANDOM_R],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST])
AC_CHECK_HEADERS([random.h], [], [], [AC_INCLUDES_DEFAULT])
if test $ac_cv_header_random_h = no; then
#endif
]])
- AC_CHECK_FUNCS([random_r])
- if test $ac_cv_func_random_r = no; then
- HAVE_RANDOM_R=0
- fi
+ dnl On AIX and OSF/1, these functions exist, but with different declarations.
+ dnl Override them all.
+ case "$host_os" in
+ aix* | osf*)
+ REPLACE_RANDOM_R=1
+ ;;
+ *)
+ AC_CHECK_FUNCS([random_r])
+ if test $ac_cv_func_random_r = no; then
+ HAVE_RANDOM_R=0
+ fi
+ ;;
+ esac
])
# Prerequisites of lib/random_r.c.