diff options
Diffstat (limited to 'ocaml-binary-annot/config/auto-aux/longlong.c')
| -rw-r--r-- | ocaml-binary-annot/config/auto-aux/longlong.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ocaml-binary-annot/config/auto-aux/longlong.c b/ocaml-binary-annot/config/auto-aux/longlong.c new file mode 100644 index 0000000000..bcdf4c974b --- /dev/null +++ b/ocaml-binary-annot/config/auto-aux/longlong.c @@ -0,0 +1,43 @@ +/***********************************************************************/ +/* */ +/* Objective Caml */ +/* */ +/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */ +/* */ +/* Copyright 1996 Institut National de Recherche en Informatique et */ +/* en Automatique. All rights reserved. This file is distributed */ +/* under the terms of the GNU Library General Public License, with */ +/* the special exception on linking described in file ../../LICENSE. */ +/* */ +/***********************************************************************/ + +/* $Id$ */ + +#include <stdio.h> +#include <string.h> + +/* Check for the availability of "long long" type as per ISO C9X */ + +/* Meaning of return code: + 0 long long OK, printf with %ll + 1 long long OK, printf with %q + 2 long long OK, no printf + 3 long long not suitable */ + +int main(int argc, char **argv) +{ + long long l; + unsigned long long u; + char buffer[64]; + + if (sizeof(long long) != 8) return 3; + l = 123456789123456789LL; + buffer[0] = '\0'; + sprintf(buffer, "%lld", l); + if (strcmp(buffer, "123456789123456789") == 0) return 0; + /* the MacOS X library uses qd to format long longs */ + buffer[0] = '\0'; + sprintf (buffer, "%qd", l); + if (strcmp (buffer, "123456789123456789") == 0) return 1; + return 2; +} |