]> mj.ucw.cz Git - libucw.git/blob - lib/config.h
Created a header which will contain description of all data structures
[libucw.git] / 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 /* Paths */
21
22 #define DEFAULT_CONFIG "cf/sherlock"
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 typedef unsigned int sh_time_t;         /* Timestamp */
39
40 #ifndef NULL
41 #define NULL (void *)0
42 #endif
43
44 typedef u32 oid_t;                      /* Object ID */
45
46 #ifdef SHERLOCK_CONFIG_LFS              /* off_t as passed to file functions */
47 typedef s64 sh_off_t;
48 #define BYTES_PER_FILE_POINTER 5
49 #else
50 typedef int sh_off_t;
51 #define BYTES_PER_FILE_POINTER 4
52 #endif
53
54 #ifdef SHERLOCK_CONFIG_LARGE_DB         /* off_t as present in database files */
55 typedef s64 sh_foff_t;
56 #else
57 typedef s32 sh_foff_t;
58 #endif
59
60 /* CPU characteristics */
61
62 #define CPU_LITTLE_ENDIAN
63 #undef CPU_BIG_ENDIAN
64 #define CPU_CAN_DO_UNALIGNED_WORDS
65 #define CPU_CAN_DO_UNALIGNED_LONGS
66 #define CPU_STRUCT_ALIGN 4
67
68 /* Misc */
69
70 #ifdef __GNUC__
71
72 #undef inline
73 #define NONRET __attribute__((noreturn))
74 #define UNUSED __attribute__((unused))
75 #define CONSTRUCTOR __attribute__((constructor))
76
77 #else
78 #error This program requires the GNU C compiler.
79 #endif
80
81 #endif