Mercurial > hg > octave-nkf > gnulib-hg
changeset 3212:c211485f2a93
(uint64_t): Define to uintmax_t if
not defined, and if UINT64_MAX is not defined.
Required at least for Vax Ultrix4.3, which doesn't define uint64_t.
Reported by John David Anglin.
author | Jim Meyering <jim@meyering.net> |
---|---|
date | Fri, 16 Mar 2001 12:02:22 +0000 |
parents | e810324b4b41 |
children | 05f1db71f151 |
files | lib/tempname.c |
diffstat | 1 files changed, 9 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/lib/tempname.c +++ b/lib/tempname.c @@ -107,6 +107,15 @@ # define __secure_getenv getenv #endif +/* Use the widest available unsigned type if uint64_t is not + available. The algorithm below extracts a number less than 62**6 + (approximately 2**35.725) from uint64_t, so ancient hosts where + uintmax_t is only 32 bits lose about 3.725 bits of randomness, + which is better than not having mkstemp at all. */ +#if !defined UINT64_MAX && !defined uint64_t +# define uint64_t uintmax_t +#endif + /* Return nonzero if DIR is an existent directory. */ static int direxists (const char *dir)