X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fconfig.h;h=4a6b34d526aae9953473cce0b5dc9eda2b20b99d;hb=3d60a4fe8e95194666956fe7e861101f40571630;hp=e5b355280a16c9a3c98f2f0d76944fa05ef40a90;hpb=ecfc630aa23529c07c8a9459608a2619479a7421;p=libucw.git diff --git a/lib/config.h b/lib/config.h index e5b35528..4a6b34d5 100644 --- a/lib/config.h +++ b/lib/config.h @@ -1,21 +1,26 @@ /* - * Sherlock Library -- Configuration-Dependent Definitions + * Sherlock -- Configuration-Dependent Definitions * - * (c) 1997--2000 Martin Mares + * (c) 1997--2004 Martin Mares + * + * This software may be freely distributed and used according to the terms + * of the GNU Lesser General Public License. */ #ifndef _SHERLOCK_CONFIG_H #define _SHERLOCK_CONFIG_H -/* Version */ +/* Configuration switches */ + +#include "lib/autoconf.h" -#define SHER_VER "2.0-alpha" +#ifdef CONFIG_MAX_CONTEXTS +#define CONFIG_CONTEXTS +#endif -/* Features */ +/* Version */ -#undef SHERLOCK_CONFIG_LARGE_DB /* Support for DB files >4GB */ -#undef SHERLOCK_CONFIG_LFS /* Large files on 32-bit systems */ -#undef SHERLOCK_CONFIG_LFS_LIBC /* LFS supported directly by libc */ +#define SHER_VER "3.3" SHERLOCK_VERSION_SUFFIX /* Paths */ @@ -35,6 +40,7 @@ typedef unsigned int uns; /* at least 32 bits */ typedef unsigned long long int u64; /* exactly 64 bits, unsigned */ typedef long long int s64; /* exactly 64 bits, signed */ typedef unsigned long addr_int_t; /* Both integer and address */ +typedef unsigned int sh_time_t; /* Timestamp */ #ifndef NULL #define NULL (void *)0 @@ -42,28 +48,34 @@ typedef unsigned long addr_int_t; /* Both integer and address */ typedef u32 oid_t; /* Object ID */ -#ifdef SHERLOCK_CONFIG_LFS /* off_t as passed to file functions */ -typedef s64 sh_off_t; -#define BYTES_PER_FILE_POINTER 5 -#else -typedef int sh_off_t; -#define BYTES_PER_FILE_POINTER 4 -#endif +/* Data types and functions for accessing file positions */ -#ifdef SHERLOCK_CONFIG_LARGE_DB /* off_t as present in database files */ -typedef s64 sh_foff_t; +#ifdef CONFIG_LARGE_DB +typedef s64 sh_off_t; +#define BYTES_PER_O 5 +#define BYTES_PER_P 8 +#define bgeto(f) bget5(f) +#define bputo(f,l) bput5(f,l) +#define bgetp(f) bgetq(f) +#define bputp(f,l) bputq(f,l) +#define GET_O(p) GET_U40(p) +#define GET_P(p) GET_U64(p) +#define PUT_O(p,x) PUT_U40(p,x) +#define PUT_P(p,x) PUT_U64(p,x) #else -typedef s32 sh_foff_t; +typedef s32 sh_off_t; +#define BYTES_PER_O 4 +#define BYTES_PER_P 4 +#define bgeto(f) bgetl(f) +#define bputo(f,l) bputl(f,l) +#define bgetp(f) bgetl(f) +#define bputp(f,l) bputl(f,l) +#define GET_O(p) GET_U32(p) +#define GET_P(p) GET_U32(p) +#define PUT_O(p,x) PUT_U32(p,x) +#define PUT_P(p,x) PUT_U32(p,x) #endif -/* CPU characteristics */ - -#define CPU_LITTLE_ENDIAN -#undef CPU_BIG_ENDIAN -#define CPU_CAN_DO_UNALIGNED_WORDS -#define CPU_CAN_DO_UNALIGNED_LONGS -#define CPU_STRUCT_ALIGN 4 - /* Misc */ #ifdef __GNUC__ @@ -72,6 +84,11 @@ typedef s32 sh_foff_t; #define NONRET __attribute__((noreturn)) #define UNUSED __attribute__((unused)) #define CONSTRUCTOR __attribute__((constructor)) +#define PACKED __attribute__((packed)) +#define CONST __attribute__((const)) +#define PURE __attribute__((const)) +#define likely(x) __builtin_expect((x),1) +#define unlikely(x) __builtin_expect((x),0) #else #error This program requires the GNU C compiler.