Use arc4random

This commit is contained in:
matthieu 2013-10-20 12:41:07 +00:00
parent d730882b48
commit eb93ff8a6d
7 changed files with 204 additions and 56 deletions

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@ -248,6 +248,8 @@ PACKAGE_URL = @PACKAGE_URL@
PACKAGE_VERSION = @PACKAGE_VERSION@
PATH_SEPARATOR = @PATH_SEPARATOR@
PKG_CONFIG = @PKG_CONFIG@
PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@

104
app/ico/aclocal.m4 vendored
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@ -20,6 +20,7 @@ If you have problems, you may need to regenerate the build system entirely.
To do so, use the procedure documented by the package, typically 'autoreconf'.])])
# pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
# serial 1 (pkg-config-0.24)
#
# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
#
@ -46,8 +47,12 @@ To do so, use the procedure documented by the package, typically 'autoreconf'.])
# ----------------------------------
AC_DEFUN([PKG_PROG_PKG_CONFIG],
[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
m4_pattern_allow([^PKG_CONFIG(_PATH)?$])
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])dnl
m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
fi
@ -60,7 +65,6 @@ if test -n "$PKG_CONFIG"; then
AC_MSG_RESULT([no])
PKG_CONFIG=""
fi
fi[]dnl
])# PKG_PROG_PKG_CONFIG
@ -69,34 +73,32 @@ fi[]dnl
# Check to see whether a particular set of modules exists. Similar
# to PKG_CHECK_MODULES(), but does not set variables or print errors.
#
#
# Similar to PKG_CHECK_MODULES, make sure that the first instance of
# this or PKG_CHECK_MODULES is called, or make sure to call
# PKG_CHECK_EXISTS manually
# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
# only at the first occurence in configure.ac, so if the first place
# it's called might be skipped (such as if it is within an "if", you
# have to call PKG_CHECK_EXISTS manually
# --------------------------------------------------------------
AC_DEFUN([PKG_CHECK_EXISTS],
[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
if test -n "$PKG_CONFIG" && \
AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
m4_ifval([$2], [$2], [:])
m4_default([$2], [:])
m4_ifvaln([$3], [else
$3])dnl
fi])
# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
# ---------------------------------------------
m4_define([_PKG_CONFIG],
[if test -n "$PKG_CONFIG"; then
if test -n "$$1"; then
pkg_cv_[]$1="$$1"
else
PKG_CHECK_EXISTS([$3],
[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
[pkg_failed=yes])
fi
else
pkg_failed=untried
[if test -n "$$1"; then
pkg_cv_[]$1="$$1"
elif test -n "$PKG_CONFIG"; then
PKG_CHECK_EXISTS([$3],
[pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes ],
[pkg_failed=yes])
else
pkg_failed=untried
fi[]dnl
])# _PKG_CONFIG
@ -138,16 +140,17 @@ and $1[]_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.])
if test $pkg_failed = yes; then
AC_MSG_RESULT([no])
_PKG_SHORT_ERRORS_SUPPORTED
if test $_pkg_short_errors_supported = yes; then
$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
$1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
else
$1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
$1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
fi
# Put the nasty error message in config.log where it belongs
echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
ifelse([$4], , [AC_MSG_ERROR(dnl
m4_default([$4], [AC_MSG_ERROR(
[Package requirements ($2) were not met:
$$1_PKG_ERRORS
@ -155,28 +158,67 @@ $$1_PKG_ERRORS
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.
_PKG_TEXT
])],
[AC_MSG_RESULT([no])
$4])
_PKG_TEXT])[]dnl
])
elif test $pkg_failed = untried; then
ifelse([$4], , [AC_MSG_FAILURE(dnl
AC_MSG_RESULT([no])
m4_default([$4], [AC_MSG_FAILURE(
[The pkg-config script could not be found or is too old. Make sure it
is in your PATH or set the PKG_CONFIG environment variable to the full
path to pkg-config.
_PKG_TEXT
To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.])],
[$4])
To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
])
else
$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
$1[]_LIBS=$pkg_cv_[]$1[]_LIBS
AC_MSG_RESULT([yes])
ifelse([$3], , :, [$3])
$3
fi[]dnl
])# PKG_CHECK_MODULES
# PKG_INSTALLDIR(DIRECTORY)
# -------------------------
# Substitutes the variable pkgconfigdir as the location where a module
# should install pkg-config .pc files. By default the directory is
# $libdir/pkgconfig, but the default can be changed by passing
# DIRECTORY. The user can override through the --with-pkgconfigdir
# parameter.
AC_DEFUN([PKG_INSTALLDIR],
[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
m4_pushdef([pkg_description],
[pkg-config installation directory @<:@]pkg_default[@:>@])
AC_ARG_WITH([pkgconfigdir],
[AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
[with_pkgconfigdir=]pkg_default)
AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
m4_popdef([pkg_default])
m4_popdef([pkg_description])
]) dnl PKG_INSTALLDIR
# PKG_NOARCH_INSTALLDIR(DIRECTORY)
# -------------------------
# Substitutes the variable noarch_pkgconfigdir as the location where a
# module should install arch-independent pkg-config .pc files. By
# default the directory is $datadir/pkgconfig, but the default can be
# changed by passing DIRECTORY. The user can override through the
# --with-noarch-pkgconfigdir parameter.
AC_DEFUN([PKG_NOARCH_INSTALLDIR],
[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
m4_pushdef([pkg_description],
[pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
AC_ARG_WITH([noarch-pkgconfigdir],
[AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
[with_noarch_pkgconfigdir=]pkg_default)
AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
m4_popdef([pkg_default])
m4_popdef([pkg_description])
]) dnl PKG_NOARCH_INSTALLDIR
# Copyright (C) 2002-2012 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
@ -1237,7 +1279,7 @@ dnl DEALINGS IN THE SOFTWARE.
# See the "minimum version" comment for each macro you use to see what
# version you require.
m4_defun([XORG_MACROS_VERSION],[
m4_define([vers_have], [1.17])
m4_define([vers_have], [1.16.2])
m4_define([maj_have], m4_substr(vers_have, 0, m4_index(vers_have, [.])))
m4_define([maj_needed], m4_substr([$1], 0, m4_index([$1], [.])))
m4_if(m4_cmp(maj_have, maj_needed), 0,,

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@ -1,5 +1,8 @@
/* config.h.in. Generated from configure.ac by autoheader. */
/* Define to 1 if you have the `arc4random_uniform' function. */
#undef HAVE_ARC4RANDOM_UNIFORM
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H

139
app/ico/configure vendored
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@ -657,6 +657,8 @@ build_vendor
build_cpu
build
INSTALL_CMD
PKG_CONFIG_LIBDIR
PKG_CONFIG_PATH
PKG_CONFIG
CHANGELOG_CMD
STRICT_CFLAGS
@ -765,6 +767,8 @@ LIBS
CPPFLAGS
CPP
PKG_CONFIG
PKG_CONFIG_PATH
PKG_CONFIG_LIBDIR
ICO_CFLAGS
ICO_LIBS'
@ -1411,6 +1415,10 @@ Some influential environment variables:
you have headers in a nonstandard directory <include dir>
CPP C preprocessor
PKG_CONFIG path to pkg-config utility
PKG_CONFIG_PATH
directories to add to pkg-config's search path
PKG_CONFIG_LIBDIR
path overriding pkg-config's built-in search path
ICO_CFLAGS C compiler flags for ICO, overriding pkg-config
ICO_LIBS linker flags for ICO, overriding pkg-config
@ -1733,6 +1741,73 @@ fi
as_fn_set_status $ac_retval
} # ac_fn_c_try_link
# ac_fn_c_check_func LINENO FUNC VAR
# ----------------------------------
# Tests whether FUNC exists, setting the cache variable VAR accordingly
ac_fn_c_check_func ()
{
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
if eval \${$3+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
For example, HP-UX 11i <limits.h> declares gettimeofday. */
#define $2 innocuous_$2
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $2 (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
#undef $2
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char $2 ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined __stub_$2 || defined __stub___$2
choke me
#endif
int
main ()
{
return $2 ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
eval "$3=yes"
else
eval "$3=no"
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
eval ac_res=\$$3
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
} # ac_fn_c_check_func
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
@ -4226,6 +4301,11 @@ fi
if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
if test -n "$ac_tool_prefix"; then
# Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args.
@ -4338,7 +4418,6 @@ $as_echo "yes" >&6; }
$as_echo "no" >&6; }
PKG_CONFIG=""
fi
fi
# Make sure we can run config.sub.
$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
@ -10300,52 +10379,65 @@ AM_BACKSLASH='\'
ac_config_headers="$ac_config_headers config.h"
# Checks for library functions.
for ac_func in arc4random_uniform
do :
ac_fn_c_check_func "$LINENO" "arc4random_uniform" "ac_cv_func_arc4random_uniform"
if test "x$ac_cv_func_arc4random_uniform" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_ARC4RANDOM_UNIFORM 1
_ACEOF
fi
done
# Checks for pkg-config packages
pkg_failed=no
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ICO" >&5
$as_echo_n "checking for ICO... " >&6; }
if test -n "$PKG_CONFIG"; then
if test -n "$ICO_CFLAGS"; then
pkg_cv_ICO_CFLAGS="$ICO_CFLAGS"
else
if test -n "$PKG_CONFIG" && \
if test -n "$ICO_CFLAGS"; then
pkg_cv_ICO_CFLAGS="$ICO_CFLAGS"
elif test -n "$PKG_CONFIG"; then
if test -n "$PKG_CONFIG" && \
{ { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"x11 >= 0.99.1 xproto >= 7.0.22\""; } >&5
($PKG_CONFIG --exists --print-errors "x11 >= 0.99.1 xproto >= 7.0.22") 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
pkg_cv_ICO_CFLAGS=`$PKG_CONFIG --cflags "x11 >= 0.99.1 xproto >= 7.0.22" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes
else
pkg_failed=yes
fi
fi
else
pkg_failed=untried
else
pkg_failed=untried
fi
if test -n "$PKG_CONFIG"; then
if test -n "$ICO_LIBS"; then
pkg_cv_ICO_LIBS="$ICO_LIBS"
else
if test -n "$PKG_CONFIG" && \
if test -n "$ICO_LIBS"; then
pkg_cv_ICO_LIBS="$ICO_LIBS"
elif test -n "$PKG_CONFIG"; then
if test -n "$PKG_CONFIG" && \
{ { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"x11 >= 0.99.1 xproto >= 7.0.22\""; } >&5
($PKG_CONFIG --exists --print-errors "x11 >= 0.99.1 xproto >= 7.0.22") 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; then
pkg_cv_ICO_LIBS=`$PKG_CONFIG --libs "x11 >= 0.99.1 xproto >= 7.0.22" 2>/dev/null`
test "x$?" != "x0" && pkg_failed=yes
else
pkg_failed=yes
fi
fi
else
pkg_failed=untried
else
pkg_failed=untried
fi
if test $pkg_failed = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
_pkg_short_errors_supported=yes
@ -10353,9 +10445,9 @@ else
_pkg_short_errors_supported=no
fi
if test $_pkg_short_errors_supported = yes; then
ICO_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "x11 >= 0.99.1 xproto >= 7.0.22"`
ICO_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "x11 >= 0.99.1 xproto >= 7.0.22" 2>&1`
else
ICO_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "x11 >= 0.99.1 xproto >= 7.0.22"`
ICO_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "x11 >= 0.99.1 xproto >= 7.0.22" 2>&1`
fi
# Put the nasty error message in config.log where it belongs
echo "$ICO_PKG_ERRORS" >&5
@ -10369,9 +10461,10 @@ installed software in a non-standard prefix.
Alternatively, you may set the environment variables ICO_CFLAGS
and ICO_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
" "$LINENO" 5
See the pkg-config man page for more details." "$LINENO" 5
elif test $pkg_failed = untried; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "The pkg-config script could not be found or is too old. Make sure it
@ -10382,14 +10475,14 @@ Alternatively, you may set the environment variables ICO_CFLAGS
and ICO_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.
To get pkg-config, see <http://pkg-config.freedesktop.org/>.
See \`config.log' for more details" "$LINENO" 5; }
else
ICO_CFLAGS=$pkg_cv_ICO_CFLAGS
ICO_LIBS=$pkg_cv_ICO_LIBS
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
:
fi
XTHREADLIB=`$PKG_CONFIG --variable=xthreadlib x11`

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@ -35,6 +35,9 @@ XORG_DEFAULT_OPTIONS
AC_CONFIG_HEADERS([config.h])
# Checks for library functions.
AC_CHECK_FUNCS([arc4random_uniform])
# Checks for pkg-config packages
PKG_CHECK_MODULES(ICO, [x11 >= 0.99.1 xproto >= 7.0.22])

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@ -1008,11 +1008,14 @@ do_ico_window(void *ptr)
/* Get the initial position, size, and speed of the bounding-box */
#ifndef HAVE_ARC4RANDOM_UNIFORM
srand((int) time((time_t *)0) % 231);
icoX = ((closure->winW - icoW) * (rand() & 0xFF)) >> 8;
icoY = ((closure->winH - icoH) * (rand() & 0xFF)) >> 8;
#else
icoX = ((closure->winW - icoW) * arc4random_uniform(0xFF)) >> 8;
icoY = ((closure->winH - icoH) * arc4random_uniform(0xFF)) >> 8;
#endif
/* Bounce the box in the window */
icodeltax2 = icoDeltaX * 2;

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@ -171,6 +171,8 @@ PACKAGE_URL = @PACKAGE_URL@
PACKAGE_VERSION = @PACKAGE_VERSION@
PATH_SEPARATOR = @PATH_SEPARATOR@
PKG_CONFIG = @PKG_CONFIG@
PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
SED = @SED@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@