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(_MSC_VER) && defined(__cplusplus) && __cplusplus >= 201103L) || \
29 (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
30 # include <stdint.h>
31 #elif (defined(__sun) && defined(__SVR4)) || defined(__hpux)
32 # include <inttypes.h>
33 #else
34 typedef signed char int8_t; /* 8-bit int */
35 typedef unsigned char uint8_t; /* 8-bit int */
36 /*
37 * This is where platform-specific changes need to be made.
38 */
39 # if defined(WIN32) || defined(_WIN32) || defined(__WIN32__)
40 # include <winsock2.h>
41 # include <ws2tcpip.h>
42 # include <windows.h>
43 typedef signed short int16_t; /* 16-bit int */
44 typedef unsigned short uint16_t; /* 16-bit int */
45 typedef signed int int32_t; /* 32-bit int */
46 typedef unsigned int uint32_t; /* 32-bit int */
47 typedef signed __int64 int64_t; /* 64-bit int */
48 typedef unsigned __int64 uint64_t; /* 64-bit int */
49 # if !defined(WIN64) && !defined(_WIN64)
50 typedef signed int intptr_t; /* 32-bit int */
51 typedef unsigned int uintptr_t; /* 32-bit int */
52 # else
53 typedef signed __int64 intptr_t; /* 64-bit int */
54 typedef unsigned __int64 uintptr_t; /* 64-bit int */
55 # endif
56 # else /* defined(WIN32) || defined(_WIN32) || defined(__WIN32__) */
57 typedef signed short int16_t; /* 16-bit int */
58 typedef unsigned short uint16_t; /* 16-bit int */
59 typedef signed int int32_t; /* 32-bit int */
60 typedef unsigned int uint32_t; /* 32-bit int */
61 typedef signed long int64_t; /* 64-bit int */
62 typedef unsigned long uint64_t; /* 64-bit int */
63 typedef signed long intptr_t;
64 typedef unsigned long uintptr_t;
65 # endif
66 #endif
67
68 #include <float.h>
69
70 /* try to understand float sizes using float.h constants */
71 #if FLT_RADIX == 2
72 # if FLT_MANT_DIG == 24 && FLT_MAX_EXP == 128
73 # define tds_sysdep_real32_type float /* 32-bit real */
74 # elif DBL_MANT_DIG == 24 && DBL_MAX_EXP == 128
75 # define tds_sysdep_real32_type double /* 32-bit real */
76 # elif LDBL_MANT_DIG == 24 && LDBL_MAX_EXP == 128
77 # define tds_sysdep_real32_type long double /* 32-bit real */
78 # endif
79 # if FLT_MANT_DIG == 53 && FLT_MAX_EXP == 1024
80 # define tds_sysdep_real64_type float /* 64-bit real */
81 # elif DBL_MANT_DIG == 53 && DBL_MAX_EXP == 1024
82 # define tds_sysdep_real64_type double /* 64-bit real */
83 # elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
84 # define tds_sysdep_real64_type long double /* 64-bit real */
85 # endif
86 # if !defined(tds_sysdep_real32_type) || !defined(tds_sysdep_real64_type)
87 # error Some float type was not found!
88 # endif
89 #else
90 # if FLT_DIG == 6 && FLT_MAX_10_EXP == 38
91 # define tds_sysdep_real32_type float /* 32-bit real */
92 # elif DBL_DIG == 6 && DBL_MAX_10_EXP == 38
93 # define tds_sysdep_real32_type double /* 32-bit real */
94 # elif LDBL_DIG == 6 && LDBL_MAX_10_EXP == 38
95 # define tds_sysdep_real32_type long double /* 32-bit real */
96 # endif
97 # if FLT_DIG == 15 && FLT_MAX_10_EXP == 308
98 # define tds_sysdep_real64_type float /* 64-bit real */
99 # elif DBL_DIG == 15 && DBL_MAX_10_EXP == 308
100 # define tds_sysdep_real64_type double /* 64-bit real */
101 # elif LDBL_DIG == 15 && LDBL_MAX_10_EXP == 308
102 # define tds_sysdep_real64_type long double /* 64-bit real */
103 # endif
104 #endif
105
106 /* fall back to configure.ac types */
107 #ifndef tds_sysdep_real32_type
108 #define tds_sysdep_real32_type float /* 32-bit real */
109 #endif /* !tds_sysdep_real32_type */
110
111 #ifndef tds_sysdep_real64_type
112 #define tds_sysdep_real64_type double /* 64-bit real */
113 #endif /* !tds_sysdep_real64_type */
114
115 #if !defined(MSDBLIB) && !defined(SYBDBLIB)
116 #define SYBDBLIB 1
117 #endif
118 #if defined(MSDBLIB) && defined(SYBDBLIB)
119 #error MSDBLIB and SYBDBLIB cannot both be defined
120 #endif
121
122 #endif /* _tds_sysdep_public_h_ */