FreeTDS API: include/tds_sysdep_public.h Source File

FreeTDS API

tds_sysdep_public.h
1 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2 * Copyright (C) 1998-2011 Brian Bruns
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 */
19
20 #ifndef _tds_sysdep_public_h_
21 #define _tds_sysdep_public_h_
22
23 /*
24 * This file is publicly installed.
25 * MUST not include config.h
26 */
27
28 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
29 # include <stdint.h>
30 #elif defined(__sun) && defined(__SVR4)
31 # include <inttypes.h>
32 #else
33 typedef signed char int8_t; /* 8-bit int */
34 typedef unsigned char uint8_t; /* 8-bit int */
35 /*
36 * This is where platform-specific changes need to be made.
37 */
38 # if defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
39 # include <winsock2.h>
40 # include <ws2tcpip.h>
41 # include <windows.h>
42 typedef signed short int16_t; /* 16-bit int */
43 typedef unsigned short uint16_t; /* 16-bit int */
44 typedef signed int int32_t; /* 32-bit int */
45 typedef unsigned int uint32_t; /* 32-bit int */
46 typedef signed __int64 int64_t; /* 64-bit int */
47 typedef unsigned __int64 uint64_t; /* 64-bit int */
48 # if !defined(WIN64) && !defined(_WIN64)
49 typedef signed int intptr_t; /* 32-bit int */
50 typedef unsigned int uintptr_t; /* 32-bit int */
51 # else
52 typedef signed __int64 intptr_t; /* 64-bit int */
53 typedef unsigned __int64 uintptr_t; /* 64-bit int */
54 # endif
55 # else /* defined(WIN32) || defined(_WIN32) || defined(__WIN32__) */
56 typedef signed short int16_t; /* 16-bit int */
57 typedef unsigned short uint16_t; /* 16-bit int */
58 typedef signed int int32_t; /* 32-bit int */
59 typedef unsigned int uint32_t; /* 32-bit int */
60 typedef signed long int64_t; /* 64-bit int */
61 typedef unsigned long uint64_t; /* 64-bit int */
62 typedef signed long intptr_t;
63 typedef unsigned long uintptr_t;
64 # endif
65 #endif
66
67 #include <float.h>
68
69 /* try to understand float sizes using float.h constants */
70 #if FLT_RADIX == 2
71 # if FLT_MANT_DIG == 24 && FLT_MAX_EXP == 128
72 # define tds_sysdep_real32_type float /* 32-bit real */
73 # elif DBL_MANT_DIG == 24 && DBL_MAX_EXP == 128
74 # define tds_sysdep_real32_type double /* 32-bit real */
75 # elif LDBL_MANT_DIG == 24 && LDBL_MAX_EXP == 128
76 # define tds_sysdep_real32_type long double /* 32-bit real */
77 # endif
78 # if FLT_MANT_DIG == 53 && FLT_MAX_EXP == 1024
79 # define tds_sysdep_real64_type float /* 64-bit real */
80 # elif DBL_MANT_DIG == 53 && DBL_MAX_EXP == 1024
81 # define tds_sysdep_real64_type double /* 64-bit real */
82 # elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
83 # define tds_sysdep_real64_type long double /* 64-bit real */
84 # endif
85 # if !defined(tds_sysdep_real32_type) || !defined(tds_sysdep_real64_type)
86 # error Some float type was not found!
87 # endif
88 #else
89 # if FLT_DIG == 6 && FLT_MAX_10_EXP == 38
90 # define tds_sysdep_real32_type float /* 32-bit real */
91 # elif DBL_DIG == 6 && DBL_MAX_10_EXP == 38
92 # define tds_sysdep_real32_type double /* 32-bit real */
93 # elif LDBL_DIG == 6 && LDBL_MAX_10_EXP == 38
94 # define tds_sysdep_real32_type long double /* 32-bit real */
95 # endif
96 # if FLT_DIG == 15 && FLT_MAX_10_EXP == 308
97 # define tds_sysdep_real64_type float /* 64-bit real */
98 # elif DBL_DIG == 15 && DBL_MAX_10_EXP == 308
99 # define tds_sysdep_real64_type double /* 64-bit real */
100 # elif LDBL_DIG == 15 && LDBL_MAX_10_EXP == 308
101 # define tds_sysdep_real64_type long double /* 64-bit real */
102 # endif
103 #endif
104
105 /* fall back to configure.ac types */
106 #ifndef tds_sysdep_real32_type
107 #define tds_sysdep_real32_type float /* 32-bit real */
108 #endif /* !tds_sysdep_real32_type */
109
110 #ifndef tds_sysdep_real64_type
111 #define tds_sysdep_real64_type double /* 64-bit real */
112 #endif /* !tds_sysdep_real64_type */
113
114 #if !defined(MSDBLIB) && !defined(SYBDBLIB)
115 #define SYBDBLIB 1
116 #endif
117 #if defined(MSDBLIB) && defined(SYBDBLIB)
118 #error MSDBLIB and SYBDBLIB cannot both be defined
119 #endif
120
121 #endif /* _tds_sysdep_public_h_ */