lib/config.h

   1 /*
   2  *      Sherlock Library -- Configuration-Dependent Definitions
   3  *
   4  *      (c) 1997--2000 Martin Mares <mj@ucw.cz>
   5  */
   6
   7 #ifndef _SHERLOCK_CONFIG_H
   8 #define _SHERLOCK_CONFIG_H
   9
  10 /* Version */
  11
  12 #define SHER_VER "2.0-alpha"
  13
  14 /* Features */
  15
  16 /* FIXME: Prune */
  17 #define SHERLOCK_CONFIG_REF_WEIGHTS     /* Weighed references */
  18 #define SHERLOCK_CONFIG_LARGE_DB        /* Support for DB files >4GB */
  19 #define SHERLOCK_CONFIG_LFS             /* Large files on 32-bit systems */
  20 #undef  SHERLOCK_CONFIG_LFS_LIBC        /* LFS supported directly by libc */
  21 #undef  SHERLOCK_CONFIG_LONG_TAGS       /* Section tags are 32-bit */
  22 #undef  SHERLOCK_CONFIG_SPLIT_GATHERER  /* Don't merge documents from different sections */
  23
  24 /* Types */
  25
  26 typedef unsigned char byte;             /* exactly 8 bits, unsigned */
  27 typedef signed char sbyte;              /* exactly 8 bits, signed */
  28 typedef unsigned short word;            /* exactly 16 bits, unsigned */
  29 typedef short sword;                    /* exactly 16 bits, signed */
  30 typedef unsigned short u16;             /* exactly 16 bits, unsigned */
  31 typedef short s16;                      /* exactly 16 bits, signed */
  32 typedef unsigned int u32;               /* exactly 32 bits, unsigned */
  33 typedef int s32;                        /* exactly 32 bits, signed */
  34 typedef unsigned int uns;               /* at least 32 bits */
  35 typedef unsigned long long int u64;     /* exactly 64 bits, unsigned */
  36 typedef long long int s64;              /* exactly 64 bits, signed */
  37 typedef unsigned long addr_int_t;       /* Both integer and address */
  38
  39 #ifndef NULL
  40 #define NULL (void *)0
  41 #endif
  42
  43 typedef u32 oid_t;                      /* Object ID */
  44
  45 #ifdef SHERLOCK_CONFIG_LFS              /* off_t as passed to file functions */
  46 typedef s64 sh_off_t;
  47 #define BYTES_PER_FILE_POINTER 5
  48 #else
  49 typedef int sh_off_t;
  50 #define BYTES_PER_FILE_POINTER 4
  51 #endif
  52
  53 #ifdef SHERLOCK_CONFIG_LARGE_DB         /* off_t as present in database files */
  54 typedef s64 sh_foff_t;
  55 #else
  56 typedef s32 sh_foff_t;
  57 #endif
  58
  59 /* CPU characteristics */
  60
  61 #define CPU_LITTLE_ENDIAN
  62 #undef CPU_BIG_ENDIAN
  63 #define CPU_CAN_DO_UNALIGNED_WORDS
  64 #define CPU_CAN_DO_UNALIGNED_LONGS
  65 #define CPU_STRUCT_ALIGN 4
  66
  67 /* Misc */
  68
  69 #ifdef __GNUC__
  70
  71 #undef inline
  72 #define NONRET __attribute__((noreturn))
  73 #define UNUSED __attribute__((unused))
  74
  75 #else
  76
  77 #define inline
  78 #define NONRET
  79 #define UNUSED
  80
  81 #endif
  82
  83 #endif