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 #undef  SHERLOCK_CONFIG_LARGE_DB        /* Support for DB files >4GB */
  17 #undef  SHERLOCK_CONFIG_LFS             /* Large files on 32-bit systems */
  18 #undef  SHERLOCK_CONFIG_LFS_LIBC        /* LFS supported directly by libc */
  19
  20 /* Types */
  21
  22 typedef unsigned char byte;             /* exactly 8 bits, unsigned */
  23 typedef signed char sbyte;              /* exactly 8 bits, signed */
  24 typedef unsigned short word;            /* exactly 16 bits, unsigned */
  25 typedef short sword;                    /* exactly 16 bits, signed */
  26 typedef unsigned short u16;             /* exactly 16 bits, unsigned */
  27 typedef short s16;                      /* exactly 16 bits, signed */
  28 typedef unsigned int u32;               /* exactly 32 bits, unsigned */
  29 typedef int s32;                        /* exactly 32 bits, signed */
  30 typedef unsigned int uns;               /* at least 32 bits */
  31 typedef unsigned long long int u64;     /* exactly 64 bits, unsigned */
  32 typedef long long int s64;              /* exactly 64 bits, signed */
  33 typedef unsigned long addr_int_t;       /* Both integer and address */
  34
  35 #ifndef NULL
  36 #define NULL (void *)0
  37 #endif
  38
  39 typedef u32 oid_t;                      /* Object ID */
  40
  41 #ifdef SHERLOCK_CONFIG_LFS              /* off_t as passed to file functions */
  42 typedef s64 sh_off_t;
  43 #define BYTES_PER_FILE_POINTER 5
  44 #else
  45 typedef int sh_off_t;
  46 #define BYTES_PER_FILE_POINTER 4
  47 #endif
  48
  49 #ifdef SHERLOCK_CONFIG_LARGE_DB         /* off_t as present in database files */
  50 typedef s64 sh_foff_t;
  51 #else
  52 typedef s32 sh_foff_t;
  53 #endif
  54
  55 /* CPU characteristics */
  56
  57 #define CPU_LITTLE_ENDIAN
  58 #undef CPU_BIG_ENDIAN
  59 #define CPU_CAN_DO_UNALIGNED_WORDS
  60 #define CPU_CAN_DO_UNALIGNED_LONGS
  61 #define CPU_STRUCT_ALIGN 4
  62
  63 /* Misc */
  64
  65 #ifdef __GNUC__
  66
  67 #undef inline
  68 #define NONRET __attribute__((noreturn))
  69 #define UNUSED __attribute__((unused))
  70
  71 #else
  72
  73 #define inline
  74 #define NONRET
  75 #define UNUSED
  76
  77 #endif
  78
  79 #endif