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Code Issues Releases Wiki Activity

Allow long long on BSDI.

This commit is contained in:
Bruce Momjian 1998-09-10 03:27:09 +00:00
parent 6d3a5482aa
commit c34ed86ea8
2 changed files with 47 additions and 4 deletions
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38
src/configure.in
View File

@ -606,7 +606,43 @@ int does_int64_work()
main() {
exit(! does_int64_work());
}],
[AC_DEFINE(HAVE_LONG_LONG_INT_64) AC_MSG_RESULT(yes)],
[AC_DEFINE(HAVE_LONG_LONG_INT_64_Ld) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no),
AC_MSG_RESULT(assuming not on target machine))
AC_TRY_RUN([#include <stdio.h>
typedef long long int int64;
#define INT64_FORMAT "%qd"
int64 a = 20000001;
int64 b = 40000005;
int does_int64_work()
{
int64 c,d,e;
char buf[100];
if (sizeof(int64) != 8)
return 0; /* doesn't look like the right size */
/* we do perfunctory checks on multiply, divide, sprintf, sscanf */
c = a * b;
sprintf(buf, INT64_FORMAT, c);
if (strcmp(buf, "800000140000005") != 0)
return 0; /* either multiply or sprintf is busted */
if (sscanf(buf, INT64_FORMAT, &d) != 1)
return 0;
if (d != c)
return 0;
e = d / b;
if (e != a)
return 0;
return 1;
}
main() {
exit(! does_int64_work());
}],
[AC_DEFINE(HAVE_LONG_LONG_INT_64_qd) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no),
AC_MSG_RESULT(assuming not on target machine))

13
src/include/utils/int8.h
View File

@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: int8.h,v 1.4 1998/09/05 01:19:38 thomas Exp $
* $Id: int8.h,v 1.5 1998/09/10 03:27:09 momjian Exp $
*
* NOTES
* These data types are supported on all 64-bit architectures, and may
@ -29,11 +29,17 @@ typedef long int int64;
#define INT64_FORMAT "%ld"
#else
#ifdef HAVE_LONG_LONG_INT_64
#ifdef HAVE_LONG_LONG_INT_64_Ld
/* We have working support for "long long int", use that */
typedef long long int int64;
#define INT64_FORMAT "%lld"
#define INT64_FORMAT "%Ld"
#else
#ifdef HAVE_LONG_LONG_INT_64_qd
/* We have working support for "long long int", use that */
typedef long long int int64;
#define INT64_FORMAT "%qd"
#else
/* Won't actually work, but fall back to long int so that int8.c compiles */
typedef long int int64;
@ -42,6 +48,7 @@ typedef long int int64;
#define INT64_IS_BUSTED
#endif
#endif
#endif
extern int64 *int8in(char *str);
extern char *int8out(int64 * val);