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Commitce48605

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Add #define INT64_MODIFIER for the printf length modifier for 64-bit ints.
We have had INT64_FORMAT and UINT64_FORMAT for a long time, but that's notgood enough if you want something more exotic, like "%20lld".Abhijit Menon-Sen, per Andres Freund's suggestion.
1 parentfa06982 commitce48605

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6 files changed

+49
-66
lines changed

6 files changed

+49
-66
lines changed

‎config/c-library.m4

Lines changed: 16 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -221,22 +221,22 @@ HAVE_POSIX_SIGNALS=$pgac_cv_func_posix_signals
221221
AC_SUBST(HAVE_POSIX_SIGNALS)])# PGAC_FUNC_POSIX_SIGNALS
222222

223223

224-
#PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
224+
#PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
225225
# ---------------------------------------
226-
# Determine whichformatsnprintf uses for long long int. We handle
227-
#%lld, %qd, %I64d. The result is in shell variable
228-
#LONG_LONG_INT_FORMAT.
226+
# Determine whichlength modifiersnprintf uses for long long int. We
227+
#handle ll, q, and I64. The result is in shell variable
228+
#LONG_LONG_INT_MODIFIER.
229229
#
230230
# MinGW uses '%I64d', though gcc throws an warning with -Wall,
231231
# while '%lld' doesn't generate a warning, but doesn't work.
232232
#
233-
AC_DEFUN([PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT],
234-
[AC_MSG_CHECKING([snprintfformat for long long int])
235-
AC_CACHE_VAL(pgac_cv_snprintf_long_long_int_format,
236-
[forpgac_format in '%lld' '%qd' '%I64d'; do
233+
AC_DEFUN([PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER],
234+
[AC_MSG_CHECKING([snprintflength modifier for long long int])
235+
AC_CACHE_VAL(pgac_cv_snprintf_long_long_int_modifier,
236+
[forpgac_modifier in 'll' 'q' 'I64'; do
237237
AC_TRY_RUN([#include <stdio.h>
238238
typedef long long int ac_int64;
239-
#define INT64_FORMAT "$pgac_format"
239+
#define INT64_FORMAT "%${pgac_modifier}d"
240240
241241
ac_int64 a = 20000001;
242242
ac_int64 b = 40000005;
@@ -258,19 +258,19 @@ int does_int64_snprintf_work()
258258
main() {
259259
exit(! does_int64_snprintf_work());
260260
}],
261-
[pgac_cv_snprintf_long_long_int_format=$pgac_format; break],
261+
[pgac_cv_snprintf_long_long_int_modifier=$pgac_modifier; break],
262262
[],
263-
[pgac_cv_snprintf_long_long_int_format=cross; break])
263+
[pgac_cv_snprintf_long_long_int_modifier=cross; break])
264264
done])dnl AC_CACHE_VAL
265265
266-
LONG_LONG_INT_FORMAT=''
266+
LONG_LONG_INT_MODIFIER=''
267267
268-
case $pgac_cv_snprintf_long_long_int_format in
268+
case $pgac_cv_snprintf_long_long_int_modifier in
269269
cross)AC_MSG_RESULT([cannot test (not on host machine)]);;
270-
?*)AC_MSG_RESULT([$pgac_cv_snprintf_long_long_int_format])
271-
LONG_LONG_INT_FORMAT=$pgac_cv_snprintf_long_long_int_format;;
270+
?*)AC_MSG_RESULT([$pgac_cv_snprintf_long_long_int_modifier])
271+
LONG_LONG_INT_MODIFIER=$pgac_cv_snprintf_long_long_int_modifier;;
272272
*)AC_MSG_RESULT(none);;
273-
esac])#PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
273+
esac])#PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
274274

275275

276276
# PGAC_FUNC_SNPRINTF_ARG_CONTROL

‎configure

Lines changed: 18 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -13095,20 +13095,20 @@ fi
1309513095

1309613096
iftest"$HAVE_LONG_LONG_INT_64" = yes;then
1309713097
iftest$pgac_need_repl_snprintf = no;then
13098-
{$as_echo"$as_me:${as_lineno-$LINENO}: checking snprintfformat for long long int">&5
13099-
$as_echo_n"checking snprintfformat for long long int...">&6; }
13100-
if${pgac_cv_snprintf_long_long_int_format+:}false;then:
13098+
{$as_echo"$as_me:${as_lineno-$LINENO}: checking snprintflength modifier for long long int">&5
13099+
$as_echo_n"checking snprintflength modifier for long long int...">&6; }
13100+
if${pgac_cv_snprintf_long_long_int_modifier+:}false;then:
1310113101
$as_echo_n"(cached)">&6
1310213102
else
13103-
forpgac_formatin'%lld''%qd''%I64d';do
13103+
forpgac_modifierin'll''q''I64';do
1310413104
iftest"$cross_compiling" = yes;then:
13105-
pgac_cv_snprintf_long_long_int_format=cross;break
13105+
pgac_cv_snprintf_long_long_int_modifier=cross;break
1310613106
else
1310713107
cat confdefs.h -<<_ACEOF >conftest.$ac_ext
1310813108
/* end confdefs.h. */
1310913109
#include <stdio.h>
1311013110
typedef long long int ac_int64;
13111-
#define INT64_FORMAT "$pgac_format"
13111+
#define INT64_FORMAT "%${pgac_modifier}d"
1311213112
1311313113
ac_int64 a = 20000001;
1311413114
ac_int64 b = 40000005;
@@ -13132,7 +13132,7 @@ main() {
1313213132
}
1313313133
_ACEOF
1313413134
if ac_fn_c_try_run"$LINENO";then:
13135-
pgac_cv_snprintf_long_long_int_format=$pgac_format;break
13135+
pgac_cv_snprintf_long_long_int_modifier=$pgac_modifier;break
1313613136
fi
1313713137
rm -f core*.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
1313813138
conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -13141,44 +13141,36 @@ fi
1314113141
done
1314213142
fi
1314313143

13144-
LONG_LONG_INT_FORMAT=''
13144+
LONG_LONG_INT_MODIFIER=''
1314513145

13146-
case$pgac_cv_snprintf_long_long_int_formatin
13146+
case$pgac_cv_snprintf_long_long_int_modifierin
1314713147
cross) {$as_echo"$as_me:${as_lineno-$LINENO}: result: cannot test (not on host machine)">&5
1314813148
$as_echo"cannot test (not on host machine)">&6; };;
13149-
?*) {$as_echo"$as_me:${as_lineno-$LINENO}: result:$pgac_cv_snprintf_long_long_int_format">&5
13150-
$as_echo"$pgac_cv_snprintf_long_long_int_format">&6; }
13151-
LONG_LONG_INT_FORMAT=$pgac_cv_snprintf_long_long_int_format;;
13149+
?*) {$as_echo"$as_me:${as_lineno-$LINENO}: result:$pgac_cv_snprintf_long_long_int_modifier">&5
13150+
$as_echo"$pgac_cv_snprintf_long_long_int_modifier">&6; }
13151+
LONG_LONG_INT_MODIFIER=$pgac_cv_snprintf_long_long_int_modifier;;
1315213152
*) {$as_echo"$as_me:${as_lineno-$LINENO}: result: none">&5
1315313153
$as_echo"none">&6; };;
1315413154
esac
13155-
iftest"$LONG_LONG_INT_FORMAT" ="";then
13155+
iftest"$LONG_LONG_INT_MODIFIER" ="";then
1315613156
# Force usage of our own snprintf, since system snprintf is broken
1315713157
pgac_need_repl_snprintf=yes
13158-
LONG_LONG_INT_FORMAT='%lld'
13158+
LONG_LONG_INT_MODIFIER='ll'
1315913159
fi
1316013160
else
1316113161
# Here if we previously decided we needed to use our own snprintf
13162-
LONG_LONG_INT_FORMAT='%lld'
13162+
LONG_LONG_INT_MODIFIER='ll'
1316313163
fi
13164-
LONG_LONG_UINT_FORMAT=`echo"$LONG_LONG_INT_FORMAT"| sed's/d$/u/'`
13165-
INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
13166-
UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
1316713164
else
1316813165
# Here if we are not using 'long long int' at all
13169-
INT64_FORMAT='"%ld"'
13170-
UINT64_FORMAT='"%lu"'
13166+
LONG_LONG_INT_MODIFIER='l'
1317113167
fi
1317213168

13173-
13174-
cat>>confdefs.h<<_ACEOF
13175-
#define INT64_FORMAT$INT64_FORMAT
13176-
_ACEOF
13177-
13169+
INT64_MODIFIER="\"$LONG_LONG_INT_MODIFIER\""
1317813170

1317913171

1318013172
cat>>confdefs.h<<_ACEOF
13181-
#defineUINT64_FORMAT$UINT64_FORMAT
13173+
#defineINT64_MODIFIER$INT64_MODIFIER
1318213174
_ACEOF
1318313175

1318413176

‎configure.in

Lines changed: 8 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -1642,30 +1642,25 @@ fi
16421642

16431643
if test "$HAVE_LONG_LONG_INT_64" = yes ; then
16441644
if test $pgac_need_repl_snprintf = no; then
1645-
PGAC_FUNC_SNPRINTF_LONG_LONG_INT_FORMAT
1646-
if test "$LONG_LONG_INT_FORMAT" = ""; then
1645+
PGAC_FUNC_SNPRINTF_LONG_LONG_INT_MODIFIER
1646+
if test "$LONG_LONG_INT_MODIFIER" = ""; then
16471647
# Force usage of our own snprintf, since system snprintf is broken
16481648
pgac_need_repl_snprintf=yes
1649-
LONG_LONG_INT_FORMAT='%lld'
1649+
LONG_LONG_INT_MODIFIER='ll'
16501650
fi
16511651
else
16521652
# Here if we previously decided we needed to use our own snprintf
1653-
LONG_LONG_INT_FORMAT='%lld'
1653+
LONG_LONG_INT_MODIFIER='ll'
16541654
fi
1655-
LONG_LONG_UINT_FORMAT=`echo "$LONG_LONG_INT_FORMAT" | sed 's/d$/u/'`
1656-
INT64_FORMAT="\"$LONG_LONG_INT_FORMAT\""
1657-
UINT64_FORMAT="\"$LONG_LONG_UINT_FORMAT\""
16581655
else
16591656
# Here if we are not using 'long long int' at all
1660-
INT64_FORMAT='"%ld"'
1661-
UINT64_FORMAT='"%lu"'
1657+
LONG_LONG_INT_MODIFIER='l'
16621658
fi
16631659

1664-
AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT,
1665-
[Define to the appropriate snprintf format for 64-bit ints.])
1660+
INT64_MODIFIER="\"$LONG_LONG_INT_MODIFIER\""
16661661

1667-
AC_DEFINE_UNQUOTED(UINT64_FORMAT, $UINT64_FORMAT,
1668-
[Define to the appropriate snprintfformat for unsigned 64-bit ints.])
1662+
AC_DEFINE_UNQUOTED(INT64_MODIFIER, $INT64_MODIFIER,
1663+
[Define to the appropriate snprintflength modifier for 64-bit ints.])
16691664

16701665
# Also force use of our snprintf if the system's doesn't support the %z flag.
16711666
if test "$pgac_need_repl_snprintf" = no; then

‎src/include/c.h

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -288,6 +288,9 @@ typedef unsigned long long int uint64;
288288
#defineUINT64CONST(x) ((uint64) x)
289289
#endif
290290

291+
/* snprintf format strings to use for 64-bit integers */
292+
#defineINT64_FORMAT "%" INT64_MODIFIER "d"
293+
#defineUINT64_FORMAT "%" INT64_MODIFIER "u"
291294

292295
/* Select timestamp representation (float8 or int64) */
293296
#ifdefUSE_INTEGER_DATETIMES

‎src/include/pg_config.h.in

Lines changed: 2 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -653,8 +653,8 @@
653653
/* Define to 1 if your compiler understands __VA_ARGS__ in macros. */
654654
#undef HAVE__VA_ARGS
655655

656-
/* Define to the appropriate snprintfformat for 64-bit ints. */
657-
#undefINT64_FORMAT
656+
/* Define to the appropriate snprintflength modifier for 64-bit ints. */
657+
#undefINT64_MODIFIER
658658

659659
/* Define to 1 if `locale_t' requires <xlocale.h>. */
660660
#undef LOCALE_T_IN_XLOCALE
@@ -744,9 +744,6 @@
744744
/* Define to 1 if your <sys/time.h> declares `struct tm'. */
745745
#undef TM_IN_SYS_TIME
746746

747-
/* Define to the appropriate snprintf format for unsigned 64-bit ints. */
748-
#undef UINT64_FORMAT
749-
750747
/* Define to 1 to build with assertion checks. (--enable-cassert) */
751748
#undef USE_ASSERT_CHECKING
752749

‎src/include/pg_config.h.win32

Lines changed: 2 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -532,8 +532,8 @@
532532
/* Define to 1 if your compiler understands __VA_ARGS__ in macros. */
533533
#define HAVE__VA_ARGS 1
534534

535-
/* Define to the appropriate snprintfformatfor 64-bit ints, if any. */
536-
#defineINT64_FORMAT "%lld"
535+
/* Define to the appropriate snprintflength modifierfor 64-bit ints. */
536+
#defineINT64_MODIFIER "ll"
537537

538538
/* Define to 1 if `locale_t' requires <xlocale.h>. */
539539
/* #undef LOCALE_T_IN_XLOCALE */
@@ -604,10 +604,6 @@
604604
/* Define to 1 if your <sys/time.h> declares `struct tm'. */
605605
/* #undef TM_IN_SYS_TIME */
606606

607-
/* Define to the appropriate snprintf format for unsigned 64-bit ints, if any.
608-
*/
609-
#define UINT64_FORMAT "%llu"
610-
611607
/* Define to 1 to build with assertion checks. (--enable-cassert) */
612608
/* #undef USE_ASSERT_CHECKING */
613609

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