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 "1.3"
  13
  14 /* Features */
  15
  16 #define SHERLOCK_CONFIG_REF_WEIGHTS     /* Weighed references */
  17 #define SHERLOCK_CONFIG_LARGE_DB        /* Support for DB files >4GB */
  18 #define SHERLOCK_CONFIG_LFS             /* Large files on 32-bit systems */
  19 #undef  SHERLOCK_CONFIG_LFS_LIBC        /* LFS supported directly by libc */
  20 #undef  SHERLOCK_CONFIG_LONG_TAGS       /* Section tags are 32-bit */
  21 #undef  SHERLOCK_CONFIG_SPLIT_GATHERER  /* Don't merge documents from different sections */
  22
  23 /* Types */
  24
  25 typedef unsigned char byte;             /* exactly 8 bits, unsigned */
  26 typedef signed char sbyte;              /* exactly 8 bits, signed */
  27 typedef unsigned short word;            /* exactly 16 bits, unsigned */
  28 typedef short sword;                    /* exactly 16 bits, signed */
  29 typedef unsigned short u16;             /* exactly 16 bits, unsigned */
  30 typedef short s16;                      /* exactly 16 bits, signed */
  31 typedef unsigned int u32;               /* exactly 32 bits, unsigned */
  32 typedef int s32;                        /* exactly 32 bits, signed */
  33 typedef unsigned int uns;               /* at least 32 bits */
  34 typedef unsigned long long int u64;     /* exactly 64 bits, unsigned */
  35 typedef long long int s64;              /* exactly 64 bits, signed */
  36 typedef unsigned long addr_int_t;       /* Both integer and address */
  37
  38 #ifndef NULL
  39 #define NULL (void *)0
  40 #endif
  41
  42 typedef u32 oid_t;                      /* Object ID */
  43
  44 #ifdef SHERLOCK_CONFIG_LFS              /* off_t as passed to file functions */
  45 typedef s64 sh_off_t;
  46 #define BYTES_PER_FILE_POINTER 5
  47 #else
  48 typedef int sh_off_t;
  49 #define BYTES_PER_FILE_POINTER 4
  50 #endif
  51
  52 #ifdef SHERLOCK_CONFIG_LARGE_DB         /* off_t as present in database files */
  53 typedef s64 sh_foff_t;
  54 #else
  55 typedef s32 sh_foff_t;
  56 #endif
  57
  58 /* CPU characteristics */
  59
  60 #define CPU_LITTLE_ENDIAN
  61 #undef CPU_BIG_ENDIAN
  62 #define CPU_CAN_DO_UNALIGNED_WORDS
  63 #define CPU_CAN_DO_UNALIGNED_LONGS
  64 #define CPU_STRUCT_ALIGN 4
  65
  66 /* Misc */
  67
  68 #ifdef __GNUC__
  69
  70 #undef inline
  71 #define NONRET __attribute__((noreturn))
  72
  73 #else
  74
  75 #define inline
  76 #define NONRET
  77
  78 #endif
  79
  80 #endif