From 595702c9faff4baf148901847a45b5a197ce92d5 Mon Sep 17 00:00:00 2001 From: Jelmer Vernooij Date: Mon, 20 Feb 2006 20:40:51 +0000 Subject: r13577: Move some (possibly system-defined) defines to replace.h (This used to be commit 2b3d56e153b229119fddfa7b378f4d671ee0092c) --- source4/lib/replace/replace.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'source4/lib/replace') diff --git a/source4/lib/replace/replace.h b/source4/lib/replace/replace.h index 0f1eb42ac0..24876ffd4e 100644 --- a/source4/lib/replace/replace.h +++ b/source4/lib/replace/replace.h @@ -162,6 +162,14 @@ int rep_mkstemp(char *temp); #include #endif +/* The extra casts work around common compiler bugs. */ +#define _TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) +/* The outer cast is needed to work around a bug in Cray C 5.0.3.0. + It is necessary at least when t == time_t. */ +#define _TYPE_MINIMUM(t) ((t) (_TYPE_SIGNED (t) \ + ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0)) +#define _TYPE_MAXIMUM(t) ((t) (~ (t) 0 - _TYPE_MINIMUM (t))) + #ifndef HOST_NAME_MAX #define HOST_NAME_MAX 64 #endif @@ -178,4 +186,12 @@ int rep_mkstemp(char *temp); #define UINT64_MAX ((uint64_t)-1) #endif +#ifndef CHAR_BIT +#define CHAR_BIT 8 +#endif + +#ifndef INT32_MAX +#define INT32_MAX _TYPE_MAXIMUM(int32_t) +#endif + #endif -- cgit