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))
*
* 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
#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;
#define INT64_IS_BUSTED
#endif
#endif
+#endif
extern int64 *int8in(char *str);
extern char *int8out(int64 * val);