diff options
| -rw-r--r-- | Doc/lib/libstruct.tex | 17 | ||||
| -rw-r--r-- | Lib/test/test_struct.py | 68 | ||||
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | Modules/_struct.c | 49 | ||||
| -rwxr-xr-x | configure | 475 | ||||
| -rw-r--r-- | configure.in | 11 | ||||
| -rw-r--r-- | pyconfig.h.in | 6 |
7 files changed, 619 insertions, 10 deletions
diff --git a/Doc/lib/libstruct.tex b/Doc/lib/libstruct.tex index 026968c..539e937 100644 --- a/Doc/lib/libstruct.tex +++ b/Doc/lib/libstruct.tex @@ -50,14 +50,15 @@ C and Python values should be obvious given their types: \lineiv{c}{\ctype{char}}{string of length 1}{} \lineiv{b}{\ctype{signed char}}{integer}{} \lineiv{B}{\ctype{unsigned char}}{integer}{} + \lineiv{t}{\ctype{_Bool}}{bool}{(1)} \lineiv{h}{\ctype{short}}{integer}{} \lineiv{H}{\ctype{unsigned short}}{integer}{} \lineiv{i}{\ctype{int}}{integer}{} \lineiv{I}{\ctype{unsigned int}}{long}{} \lineiv{l}{\ctype{long}}{integer}{} \lineiv{L}{\ctype{unsigned long}}{long}{} - \lineiv{q}{\ctype{long long}}{long}{(1)} - \lineiv{Q}{\ctype{unsigned long long}}{long}{(1)} + \lineiv{q}{\ctype{long long}}{long}{(2)} + \lineiv{Q}{\ctype{unsigned long long}}{long}{(2)} \lineiv{f}{\ctype{float}}{float}{} \lineiv{d}{\ctype{double}}{float}{} \lineiv{s}{\ctype{char[]}}{string}{} @@ -70,6 +71,11 @@ Notes: \begin{description} \item[(1)] + The \character{t} conversion code corresponds to the \ctype{_Bool} type + defined by C99. If this type is not available, it is simulated using a + \ctype{char}. In standard mode, it is always represented by one byte. + \versionadded{2.6} +\item[(2)] The \character{q} and \character{Q} conversion codes are available in native mode only if the platform C compiler supports C \ctype{long long}, or, on Windows, \ctype{__int64}. They are always available in standard @@ -118,6 +124,12 @@ example, the Alpha and Merced processors use 64-bit pointer values, meaning a Python long integer will be used to hold the pointer; other platforms use 32-bit pointers and will use a Python integer. +For the \character{t} format character, the return value is either +\constant{True} or \constant{False}. When packing, the truth value +of the argument object is used. Either 0 or 1 in the native or standard +bool representation will be packed, and any non-zero value will be True +when unpacking. + By default, C numbers are represented in the machine's native format and byte order, and properly aligned by skipping pad bytes if necessary (according to the rules used by the C compiler). @@ -151,6 +163,7 @@ for any type (so you have to use pad bytes); \ctype{long long} (\ctype{__int64} on Windows) is 8 bytes; \ctype{float} and \ctype{double} are 32-bit and 64-bit IEEE floating point numbers, respectively. +\ctype{_Bool} is 1 byte. Note the difference between \character{@} and \character{=}: both use native byte order, but the size and alignment of the latter is diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py index 0144a0f..b6a3e0b 100644 --- a/Lib/test/test_struct.py +++ b/Lib/test/test_struct.py @@ -84,8 +84,8 @@ sz = struct.calcsize('i') if sz * 3 != struct.calcsize('iii'): raise TestFailed, 'inconsistent sizes' -fmt = 'cbxxxxxxhhhhiillffd' -fmt3 = '3c3b18x12h6i6l6f3d' +fmt = 'cbxxxxxxhhhhiillffdt' +fmt3 = '3c3b18x12h6i6l6f3d3t' sz = struct.calcsize(fmt) sz3 = struct.calcsize(fmt3) if sz * 3 != sz3: @@ -108,19 +108,21 @@ i = 65535 l = 65536 f = 3.1415 d = 3.1415 +t = True for prefix in ('', '@', '<', '>', '=', '!'): - for format in ('xcbhilfd', 'xcBHILfd'): + for format in ('xcbhilfdt', 'xcBHILfdt'): format = prefix + format if verbose: print "trying:", format - s = struct.pack(format, c, b, h, i, l, f, d) - cp, bp, hp, ip, lp, fp, dp = struct.unpack(format, s) + s = struct.pack(format, c, b, h, i, l, f, d, t) + cp, bp, hp, ip, lp, fp, dp, tp = struct.unpack(format, s) if (cp != c or bp != b or hp != h or ip != i or lp != l or - int(100 * fp) != int(100 * f) or int(100 * dp) != int(100 * d)): + int(100 * fp) != int(100 * f) or int(100 * dp) != int(100 * d) or + tp != t): # ^^^ calculate only to two decimal places raise TestFailed, "unpack/pack not transitive (%s, %s)" % ( - str(format), str((cp, bp, hp, ip, lp, fp, dp))) + str(format), str((cp, bp, hp, ip, lp, fp, dp, tp))) # Test some of the new features in detail @@ -158,6 +160,11 @@ tests = [ ('f', -2.0, '\300\000\000\000', '\000\000\000\300', 0), ('d', -2.0, '\300\000\000\000\000\000\000\000', '\000\000\000\000\000\000\000\300', 0), + ('t', 0, '\0', '\0', 0), + ('t', 3, '\1', '\1', 1), + ('t', True, '\1', '\1', 0), + ('t', [], '\0', '\0', 1), + ('t', (1,), '\1', '\1', 1), ] for fmt, arg, big, lil, asy in tests: @@ -612,3 +619,50 @@ def test_pack_into_fn(): test_unpack_from() test_pack_into() test_pack_into_fn() + +def test_bool(): + for prefix in tuple("<>!=")+('',): + false = (), [], [], '', 0 + true = [1], 'test', 5, -1, 0xffffffffL+1, 0xffffffff/2 + + falseFormat = prefix + 't' * len(false) + if verbose: + print 'trying bool pack/unpack on', false, 'using format', falseFormat + packedFalse = struct.pack(falseFormat, *false) + unpackedFalse = struct.unpack(falseFormat, packedFalse) + + trueFormat = prefix + 't' * len(true) + if verbose: + print 'trying bool pack/unpack on', true, 'using format', trueFormat + packedTrue = struct.pack(trueFormat, *true) + unpackedTrue = struct.unpack(trueFormat, packedTrue) + + if len(true) != len(unpackedTrue): + raise TestFailed('unpacked true array is not of same size as input') + if len(false) != len(unpackedFalse): + raise TestFailed('unpacked false array is not of same size as input') + + for t in unpackedFalse: + if t is not False: + raise TestFailed('%r did not unpack as False' % t) + for t in unpackedTrue: + if t is not True: + raise TestFailed('%r did not unpack as false' % t) + + if prefix and verbose: + print 'trying size of bool with format %r' % (prefix+'t') + packed = struct.pack(prefix+'t', 1) + + if len(packed) != struct.calcsize(prefix+'t'): + raise TestFailed('packed length is not equal to calculated size') + + if len(packed) != 1 and prefix: + raise TestFailed('encoded bool is not one byte: %r' % packed) + elif not prefix and verbose: + print 'size of bool in native format is %i' % (len(packed)) + + for c in '\x01\x7f\xff\x0f\xf0': + if struct.unpack('>t', c)[0] is not True: + raise TestFailed('%c did not unpack as True' % c) + +test_bool() @@ -313,6 +313,9 @@ Library Extension Modules ----------------- +- Patch #1610575: The struct module now supports the 't' code, for + C99 _Bool. + - Patch #1635058: ensure that htonl and friends never accept or return negative numbers, per the underlying C implementation. diff --git a/Modules/_struct.c b/Modules/_struct.c index 22d0e03..059d988 100644 --- a/Modules/_struct.c +++ b/Modules/_struct.c @@ -104,6 +104,15 @@ typedef struct { char c; PY_LONG_LONG x; } s_long_long; #define LONG_LONG_ALIGN (sizeof(s_long_long) - sizeof(PY_LONG_LONG)) #endif +#ifdef HAVE_C99_BOOL +#define BOOL_TYPE _Bool +typedef struct { char c; _Bool x; } s_bool; +#define BOOL_ALIGN (sizeof(s_bool) - sizeof(BOOL_TYPE)) +#else +#define BOOL_TYPE char +#define BOOL_ALIGN 0 +#endif + #define STRINGIFY(x) #x #ifdef __powerc @@ -536,6 +545,15 @@ nu_ulonglong(const char *p, const formatdef *f) #endif static PyObject * +nu_bool(const char *p, const formatdef *f) +{ + BOOL_TYPE x; + memcpy((char *)&x, p, sizeof x); + return PyBool_FromLong(x != 0); +} + + +static PyObject * nu_float(const char *p, const formatdef *f) { float x; @@ -711,6 +729,16 @@ np_ulonglong(char *p, PyObject *v, const formatdef *f) } #endif + +static int +np_bool(char *p, PyObject *v, const formatdef *f) +{ + BOOL_TYPE y; + y = PyObject_IsTrue(v); + memcpy(p, (char *)&y, sizeof y); + return 0; +} + static int np_float(char *p, PyObject *v, const formatdef *f) { @@ -771,6 +799,7 @@ static formatdef native_table[] = { {'q', sizeof(PY_LONG_LONG), LONG_LONG_ALIGN, nu_longlong, np_longlong}, {'Q', sizeof(PY_LONG_LONG), LONG_LONG_ALIGN, nu_ulonglong,np_ulonglong}, #endif + {'t', sizeof(BOOL_TYPE), BOOL_ALIGN, nu_bool, np_bool}, {'f', sizeof(float), FLOAT_ALIGN, nu_float, np_float}, {'d', sizeof(double), DOUBLE_ALIGN, nu_double, np_double}, {'P', sizeof(void *), VOID_P_ALIGN, nu_void_p, np_void_p}, @@ -865,6 +894,14 @@ bu_double(const char *p, const formatdef *f) return unpack_double(p, 0); } +static PyObject * +bu_bool(const char *p, const formatdef *f) +{ + char x; + memcpy((char *)&x, p, sizeof x); + return PyBool_FromLong(x != 0); +} + static int bp_int(char *p, PyObject *v, const formatdef *f) { @@ -969,6 +1006,15 @@ bp_double(char *p, PyObject *v, const formatdef *f) return _PyFloat_Pack8(x, (unsigned char *)p, 0); } +static int +bp_bool(char *p, PyObject *v, const formatdef *f) +{ + char y; + y = PyObject_IsTrue(v); + memcpy(p, (char *)&y, sizeof y); + return 0; +} + static formatdef bigendian_table[] = { {'x', 1, 0, NULL}, #ifdef PY_STRUCT_OVERFLOW_MASKING @@ -990,6 +1036,7 @@ static formatdef bigendian_table[] = { {'L', 4, 0, bu_uint, bp_uint}, {'q', 8, 0, bu_longlong, bp_longlong}, {'Q', 8, 0, bu_ulonglong, bp_ulonglong}, + {'t', 1, 0, bu_bool, bp_bool}, {'f', 4, 0, bu_float, bp_float}, {'d', 8, 0, bu_double, bp_double}, {0} @@ -1208,6 +1255,8 @@ static formatdef lilendian_table[] = { {'L', 4, 0, lu_uint, lp_uint}, {'q', 8, 0, lu_longlong, lp_longlong}, {'Q', 8, 0, lu_ulonglong, lp_ulonglong}, + {'t', 1, 0, bu_bool, bp_bool}, /* Std rep not endian dep, + but potentially different from native rep -- reuse bx_bool funcs. */ {'f', 4, 0, lu_float, lp_float}, {'d', 8, 0, lu_double, lp_double}, {0} @@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in Revision: 52456 . +# From configure.in Revision: 52843 . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.59 for python 2.6. # @@ -10144,6 +10144,479 @@ _ACEOF fi +echo "$as_me:$LINENO: checking for _Bool support" >&5 +echo $ECHO_N "checking for _Bool support... $ECHO_C" >&6 +have_c99_bool=no +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ +_Bool x; x = (_Bool)0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + + +cat >>confdefs.h <<\_ACEOF +#define HAVE_C99_BOOL 1 +_ACEOF + + have_c99_bool=yes + +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $have_c99_bool" >&5 +echo "${ECHO_T}$have_c99_bool" >&6 +if test "$have_c99_bool" = yes ; then +echo "$as_me:$LINENO: checking for _Bool" >&5 +echo $ECHO_N "checking for _Bool... $ECHO_C" >&6 +if test "${ac_cv_type__Bool+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +if ((_Bool *) 0) + return 0; +if (sizeof (_Bool)) + return 0; + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_type__Bool=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_type__Bool=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_type__Bool" >&5 +echo "${ECHO_T}$ac_cv_type__Bool" >&6 + +echo "$as_me:$LINENO: checking size of _Bool" >&5 +echo $ECHO_N "checking size of _Bool... $ECHO_C" >&6 +if test "${ac_cv_sizeof__Bool+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test "$ac_cv_type__Bool" = yes; then + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (_Bool))) >= 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_lo=0 ac_mid=0 + while :; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (_Bool))) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_hi=$ac_mid; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo=`expr $ac_mid + 1` + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + ac_mid=`expr 2 '*' $ac_mid + 1` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (_Bool))) < 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_hi=-1 ac_mid=-1 + while :; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (_Bool))) >= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_lo=$ac_mid; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_hi=`expr '(' $ac_mid ')' - 1` + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + ac_mid=`expr 2 '*' $ac_mid` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo= ac_hi= +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo` + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (_Bool))) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_hi=$ac_mid +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo=`expr '(' $ac_mid ')' + 1` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in +?*) ac_cv_sizeof__Bool=$ac_lo;; +'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (_Bool), 77 +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute sizeof (_Bool), 77 +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } ;; +esac +else + if test "$cross_compiling" = yes; then + { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run test program while cross compiling +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +long longval () { return (long) (sizeof (_Bool)); } +unsigned long ulongval () { return (long) (sizeof (_Bool)); } +#include <stdio.h> +#include <stdlib.h> +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + exit (1); + if (((long) (sizeof (_Bool))) < 0) + { + long i = longval (); + if (i != ((long) (sizeof (_Bool)))) + exit (1); + fprintf (f, "%ld\n", i); + } + else + { + unsigned long i = ulongval (); + if (i != ((long) (sizeof (_Bool)))) + exit (1); + fprintf (f, "%lu\n", i); + } + exit (ferror (f) || fclose (f) != 0); + + ; + return 0; +} +_ACEOF +rm -f conftest$ac_exeext +if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 + (eval $ac_link) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { ac_try='./conftest$ac_exeext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_sizeof__Bool=`cat conftest.val` +else + echo "$as_me: program exited with status $ac_status" >&5 +echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +( exit $ac_status ) +{ { echo "$as_me:$LINENO: error: cannot compute sizeof (_Bool), 77 +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute sizeof (_Bool), 77 +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +fi +rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext +fi +fi +rm -f conftest.val +else + ac_cv_sizeof__Bool=0 +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_sizeof__Bool" >&5 +echo "${ECHO_T}$ac_cv_sizeof__Bool" >&6 +cat >>confdefs.h <<_ACEOF +#define SIZEOF__BOOL $ac_cv_sizeof__Bool +_ACEOF + + +fi + echo "$as_me:$LINENO: checking for uintptr_t" >&5 echo $ECHO_N "checking for uintptr_t... $ECHO_C" >&6 if test "${ac_cv_type_uintptr_t+set}" = set; then diff --git a/configure.in b/configure.in index 1259ccf..1a11ec2 100644 --- a/configure.in +++ b/configure.in @@ -1218,6 +1218,17 @@ if test "$have_long_long" = yes ; then AC_CHECK_SIZEOF(long long, 8) fi +AC_MSG_CHECKING(for _Bool support) +have_c99_bool=no +AC_TRY_COMPILE([], [_Bool x; x = (_Bool)0;], [ + AC_DEFINE(HAVE_C99_BOOL, 1, [Define this if you have the type _Bool.]) + have_c99_bool=yes +]) +AC_MSG_RESULT($have_c99_bool) +if test "$have_c99_bool" = yes ; then +AC_CHECK_SIZEOF(_Bool, 1) +fi + AC_CHECK_TYPES(uintptr_t, [AC_CHECK_SIZEOF(uintptr_t, 4)], [], [#ifdef HAVE_STDINT_H diff --git a/pyconfig.h.in b/pyconfig.h.in index 6407871..2e8f4bf 100644 --- a/pyconfig.h.in +++ b/pyconfig.h.in @@ -64,6 +64,9 @@ /* Define if pthread_sigmask() does not work on your system. */ #undef HAVE_BROKEN_PTHREAD_SIGMASK +/* Define this if you have the type _Bool. */ +#undef HAVE_C99_BOOL + /* Define to 1 if you have the `chown' function. */ #undef HAVE_CHOWN @@ -835,6 +838,9 @@ /* The size of a `wchar_t', as computed by sizeof. */ #undef SIZEOF_WCHAR_T +/* The size of a `_Bool', as computed by sizeof. */ +#undef SIZEOF__BOOL + /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS |