4 Copyright (C) 2000, 2001, 2002 Kern Sibbald and John Walker
6 This program is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License as
8 published by the Free Software Foundation; either version 2 of
9 the License, or (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public
17 License along with this program; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
23 /* Serialisation support functions from serial.c. */
25 extern void serial_int16(uint8_t * * ptr, int16_t v);
26 extern void serial_uint16(uint8_t * * ptr, uint16_t v);
27 extern void serial_int32(uint8_t * * ptr, int32_t v);
28 extern void serial_uint32(uint8_t * * ptr, uint32_t v);
29 extern void serial_int64(uint8_t * * ptr, int64_t v);
30 extern void serial_uint64(uint8_t * * ptr, uint64_t v);
31 extern void serial_float64(uint8_t * * ptr, float64_t v);
32 extern int serial_string(uint8_t * ptr, char * str);
33 extern int16_t unserial_int16(uint8_t * * ptr);
34 extern uint16_t unserial_uint16(uint8_t * * ptr);
35 extern int32_t unserial_int32(uint8_t * * ptr);
36 extern uint32_t unserial_uint32(uint8_t * * ptr);
37 extern int64_t unserial_int64(uint8_t * * ptr);
38 extern uint64_t unserial_uint64(uint8_t * * ptr);
39 extern float64_t unserial_float64(uint8_t * * ptr);
40 extern int unserial_string(uint8_t * ptr, char * str);
46 These macros use a uint8_t pointer, ser_ptr, which must be
47 defined by the code which uses them.
54 /* ser_declare -- Declare ser_ptr locally within a function. */
55 #define ser_declare uint8_t *ser_ptr
56 #define unser_declare uint8_t *ser_ptr
58 /* ser_begin(x, s) -- Begin serialisation into a buffer x of size s. */
59 #define ser_begin(x, s) ser_ptr = ((uint8_t *)(x))
60 #define unser_begin(x, s) ser_ptr = ((uint8_t *)(x))
62 /* ser_length -- Determine length in bytes of serialised into a
64 #define ser_length(x) (ser_ptr - (uint8_t *)(x))
65 #define unser_length(x) (ser_ptr - (uint8_t *)(x))
67 /* ser_end(x, s) -- End serialisation into a buffer x of size s. */
68 #define ser_end(x, s) ASSERT(ser_length(x) <= (s))
69 #define unser_end(x, s) ASSERT(ser_length(x) <= (s))
71 /* ser_check(x, s) -- Verify length of serialised data in buffer x is
73 #define ser_check(x, s) ASSERT(ser_length(x) == (s))
77 /* 8 bit signed integer */
78 #define ser_int8(x) *ser_ptr++ = (x)
79 /* 8 bit unsigned integer */
80 #define ser_uint8(x) *ser_ptr++ = (x)
82 /* 16 bit signed integer */
83 #define ser_int16(x) serial_int16(&ser_ptr, x)
84 /* 16 bit unsigned integer */
85 #define ser_uint16(x) serial_uint16(&ser_ptr, x)
87 /* 32 bit signed integer */
88 #define ser_int32(x) serial_int32(&ser_ptr, x)
89 /* 32 bit unsigned integer */
90 #define ser_uint32(x) serial_uint32(&ser_ptr, x)
92 /* 64 bit signed integer */
93 #define ser_int64(x) serial_int64(&ser_ptr, x)
94 /* 64 bit unsigned integer */
95 #define ser_uint64(x) serial_uint64(&ser_ptr, x)
98 /* 64 bit IEEE floating point number */
99 #define ser_float64(x) serial_float64(&ser_ptr, x)
101 /* 128 bit signed integer */
102 #define ser_int128(x) memcpy(ser_ptr, x, sizeof(int128_t)), ser_ptr += sizeof(int128_t)
104 /* Binary byte stream len bytes not requiring serialisation */
105 #define ser_bytes(x, len) memcpy(ser_ptr, (x), (len)), ser_ptr += (len)
107 /* Binary byte stream not requiring serialisation (length obtained by sizeof) */
108 #define ser_buffer(x) ser_bytes((x), (sizeof (x)))
110 /* Binary string not requiring serialization */
111 #define ser_string(x) ser_ptr += serial_string(ser_ptr, (x))
113 /* Unserialisation */
115 /* 8 bit signed integer */
116 #define unser_int8(x) (x) = *ser_ptr++
117 /* 8 bit unsigned integer */
118 #define unser_uint8(x) (x) = *ser_ptr++
120 /* 16 bit signed integer */
121 #define unser_int16(x) (x) = unserial_int16(&ser_ptr)
122 /* 16 bit unsigned integer */
123 #define unser_uint16(x) (x) = unserial_uint16(&ser_ptr)
125 /* 32 bit signed integer */
126 #define unser_int32(x) (x) = unserial_int32(&ser_ptr)
127 /* 32 bit unsigned integer */
128 #define unser_uint32(x) (x) = unserial_uint32(&ser_ptr)
130 /* 64 bit signed integer */
131 #define unser_int64(x) (x) = unserial_int64(&ser_ptr)
132 /* 64 bit unsigned integer */
133 #define unser_uint64(x) (x) = unserial_uint64(&ser_ptr)
135 /* 64 bit IEEE floating point number */
136 #define unser_float64(x)(x) = unserial_float64(&ser_ptr)
138 /* 128 bit signed integer */
139 #define unser_int128(x) memcpy(ser_ptr, x, sizeof(int128_t)), ser_ptr += sizeof(int128_t)
141 /* Binary byte stream len bytes not requiring serialisation */
142 #define unser_bytes(x, len) memcpy((x), ser_ptr, (len)), ser_ptr += (len)
144 /* Binary byte stream not requiring serialisation (length obtained by sizeof) */
145 #define unser_buffer(x) unser_bytes((x), (sizeof (x)))
147 /* Binary string not requiring serialization */
148 #define unser_string(x) ser_ptr += unserial_string(ser_ptr, (x))
150 #endif /* __SERIAL_H_ */