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 # else /* defined(WIN32) || defined(_WIN32) || defined(__WIN32__) */
50  typedef signed short int16_t; /* 16-bit int */
51  typedef unsigned short uint16_t; /* 16-bit int */
52  typedef signed int int32_t; /* 32-bit int */
53  typedef unsigned int uint32_t; /* 32-bit int */
54  typedef signed long long int64_t; /* 64-bit int */
55  typedef unsigned long long uint64_t; /* 64-bit int */
56 # endif
57 #endif
58 
59 #include <float.h>
60 
61 /* try to understand float sizes using float.h constants */
62 #if FLT_RADIX == 2
63 # if FLT_MANT_DIG == 24 && FLT_MAX_EXP == 128
64 # define tds_sysdep_real32_type float /* 32-bit real */
65 # elif DBL_MANT_DIG == 24 && DBL_MAX_EXP == 128
66 # define tds_sysdep_real32_type double /* 32-bit real */
67 # elif LDBL_MANT_DIG == 24 && LDBL_MAX_EXP == 128
68 # define tds_sysdep_real32_type long double /* 32-bit real */
69 # endif
70 # if FLT_MANT_DIG == 53 && FLT_MAX_EXP == 1024
71 # define tds_sysdep_real64_type float /* 64-bit real */
72 # elif DBL_MANT_DIG == 53 && DBL_MAX_EXP == 1024
73 # define tds_sysdep_real64_type double /* 64-bit real */
74 # elif LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
75 # define tds_sysdep_real64_type long double /* 64-bit real */
76 # endif
77 # if !defined(tds_sysdep_real32_type) || !defined(tds_sysdep_real64_type)
78 # error Some float type was not found!
79 # endif
80 #else
81 # if FLT_DIG == 6 && FLT_MAX_10_EXP == 38
82 # define tds_sysdep_real32_type float /* 32-bit real */
83 # elif DBL_DIG == 6 && DBL_MAX_10_EXP == 38
84 # define tds_sysdep_real32_type double /* 32-bit real */
85 # elif LDBL_DIG == 6 && LDBL_MAX_10_EXP == 38
86 # define tds_sysdep_real32_type long double /* 32-bit real */
87 # endif
88 # if FLT_DIG == 15 && FLT_MAX_10_EXP == 308
89 # define tds_sysdep_real64_type float /* 64-bit real */
90 # elif DBL_DIG == 15 && DBL_MAX_10_EXP == 308
91 # define tds_sysdep_real64_type double /* 64-bit real */
92 # elif LDBL_DIG == 15 && LDBL_MAX_10_EXP == 308
93 # define tds_sysdep_real64_type long double /* 64-bit real */
94 # endif
95 #endif
96 
97 /* fall back to configure.ac types */
98 #ifndef tds_sysdep_real32_type
99 #define tds_sysdep_real32_type float /* 32-bit real */
100 #endif /* !tds_sysdep_real32_type */
101 
102 #ifndef tds_sysdep_real64_type
103 #define tds_sysdep_real64_type double /* 64-bit real */
104 #endif /* !tds_sysdep_real64_type */
105 
106 #if !defined(MSDBLIB) && !defined(SYBDBLIB)
107 #define SYBDBLIB 1
108 #endif
109 #if defined(MSDBLIB) && defined(SYBDBLIB)
110 #error MSDBLIB and SYBDBLIB cannot both be defined
111 #endif
112 
113 #endif /* _tds_sysdep_public_h_ */