summaryrefslogtreecommitdiffstats
path: root/src/hdf5port.h
blob: 4045435464f4bc39ec0df96372dcbe72f94422f6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
/****************************************************************************
 * NCSA HDF                                                                 *
 * Software Development Group                                               *
 * National Center for Supercomputing Applications                          *
 * University of Illinois at Urbana-Champaign                               *
 * 605 E. Springfield, Champaign IL 61820                                   *
 *                                                                          *
 * For conditions of distribution and use, see the accompanying             *
 * hdf/COPYING file.                                                        *
 *                                                                          *
 ****************************************************************************/

/* $Id$ */

/*
 * This file contains portability macros to ease moving the library between
 * the various platforms.
 */

#ifndef HDF5PORT_H
#define HDF5PORT_H

/**************************************************************************
*  Generally useful macro definitions
**************************************************************************/
#ifndef MIN
#  define MIN(a,b)    (((a)<(b)) ? (a) : (b))
#endif
#ifndef MAX
#  define MAX(a,b)    (((a)>(b)) ? (a) : (b))
#endif
#ifndef MAX3
#  define MAX3(a,b,c)	MAX(MAX(a,b),c)
#endif

/**************************************************************************
*  Macros to work around ANSI C portability problems.
**************************************************************************/
#ifdef DUMBCC
#define CONSTR(v,s) char *v=s
#else
#define CONSTR(v,s) static const char v[]=s
#endif

/* -------------------------- File I/O Functions -------------------------- */
/* FILELIB -- file library to use for file access: 1 stdio, 2 fcntl
   default to stdio library i.e. POSIX buffered I/O */

#ifndef FILELIB
#   define FILELIB POSIXBUFIO    /* POSIX buffered I/O is the default */
#endif /* FILELIB */

#if (FILELIB == POSIXBUFIO)
typedef FILE *hdf_file_t;
#ifdef VMS
/* For VMS, use "mbc=64" to improve performance     */
#   define H5F_OPEN(p, a)      (((a)&H5ACC_WRITE) ? fopen((p),"r+","mbc=64") : fopen((p), "r", "mbc=64"))
#   define H5F_CREATE(p)       (fopen((p), "w+", "mbc=64"))
#else  /*  !VMS  */
#if defined SUN && defined (__GNUC__)
#   define H5F_OPEN(p, a)      (((a)&H5ACC_WRITE) ? fopen((p), "r+") : fopen((p), "r"))
#   define H5F_CREATE(p)       (fopen((p), "w+"))
#else /* !SUN w/ GNU CC */
#   define H5F_OPEN(p, a)      (((a)&H5ACC_WRITE) ? fopen((p), "rb+") : fopen((p), "rb"))
#   define H5F_CREATE(p)       (fopen((p), "wb+"))
#endif /* !SUN w/ GNU CC */
#endif /* VMS */
#   define H5F_READ(f, b, n)   (((size_t)(n) == (size_t)fread((b), 1, (size_t)(n), (f))) ? SUCCEED : FAIL)
#   define H5F_WRITE(f, b, n)  (((size_t)(n) == (size_t)fwrite((b), 1, (size_t)(n), (f))) ? SUCCEED : FAIL)
#   define H5F_CLOSE(f)        (fclose(f))
#   define H5F_FLUSH(f)        (fflush(f)==0 ? SUCCEED : FAIL)
#   define H5F_SEEK(f,o)       (fseek((f), (long)(o), SEEK_SET)==0 ? SUCCEED : FAIL)
#   define H5F_SEEK_CUR(f,o)   (fseek((f), (long)(o), SEEK_CUR)==0 ? SUCCEED : FAIL)
#   define H5F_SEEKEND(f)      (fseek((f), (long)0, SEEK_END)==0 ? SUCCEED : FAIL)
#   define H5F_TELL(f)         (ftell(f))
#   define H5F_OPENERR(f)      ((f) == (FILE *)NULL)
#   define H5F_INVALID_FILE    ((FILE *)NULL)
#endif /* FILELIB == POSIXBUFIO */

#if (FILELIB == POSIXUNBUFIO)
/* using POSIX unbuffered file I/O routines to access files */
typedef int hdf_file_t;
#   define H5F_OPEN(p, a)      (((a) & H5ACC_WRITE) ? open((p), O_RDWR) : open((p), O_RDONLY))
#   define H5F_CREATE(p)       (open((p), O_RDWR | O_CREAT | O_TRUNC))
#   define H5F_CLOSE(f)        (close(f))
#   define H5F_FLUSH(f)        (SUCCEED)
#   define H5F_READ(f, b, n)   (((n)==read((f), (char *)(b), (n))) ? SUCCEED : FAIL)
#   define H5F_WRITE(f, b, n)  (((n)==write((f), (char *)(b), (n))) ? SUCCEED : FAIL)
#   define H5F_SEEK(f, o)      (lseek((f), (off_t)(o), SEEK_SET)!=(-1) ? SUCCEED : FAIL)
#   define H5F_SEEKEND(f)      (lseek((f), (off_t)0, SEEK_END)!=(-1) ? SUCCEED : FAIL)
#   define H5F_TELL(f)         (lseek((f), (off_t)0, SEEK_CUR))
#   define H5F_OPENERR(f)      (f < 0)
#   define H5F_INVALID_FILE    ((int)-1)
#endif /* FILELIB == POSIXUNBUFIO */

#if (FILELIB == MACIO)
/* using special routines to redirect to Mac Toolkit I/O */
typedef short hdf_file_t;
#   define H5F_OPEN(x,y)       mopen(x,y)
#   define H5F_CREATE(name)    mopen(name, H5ACC_CREATE)
#   define H5F_CLOSE(x)        mclose(x)
#   define H5F_FLUSH(a)        (SUCCEED)
#   define H5F_READ(a,b,c)     mread(a, (char *) b, (int32) c)
#   define H5F_WRITE(a,b,c)    mwrite(a, (char *) b, (int32) c)
#   define H5F_SEEK(x,y)       mlseek(x, (int32 )y, 0)
#   define H5F_SEEKEND(x)      mlseek(x, 0L, 2)
#   define H5F_TELL(x)         mlseek(x,0L,1)
#   define H5F_OPENERR(f)      (f < 0)
#   define H5F_INVALID_FILE    ((short)-1)
#endif /* FILELIB == MACIO */

#if (FILELIB == WINNTIO)
/* using special Windows NT functions to enable reading/writing large chunks */
typedef HFILE hdf_file_t;
#   define H5F_OPEN(p, a)      (((a) & H5ACC_WRITE) ? _lopen((p), OF_READWRITE) : _lopen((p), OF_READ))
#   define H5F_CREATE(p)       (_lcreat((p), 0))
#   define H5F_READ(f, b, n)   (((int32)(n) == _hread((f), (b), (n))) ? SUCCEED : FAIL)
#   define H5F_WRITE(f, b, n)  (((int32)(n) == _hwrite((f), (b), (n))) ? SUCCEED : FAIL)
#   define H5F_CLOSE(f)        (_lclose(f)==0 ? SUCCEED : FAIL)
#   define H5F_FLUSH(f)        (0)
#   define H5F_SEEK(f, o)      (_llseek((f), (long)(o), 0))
#   define H5F_SEEKEND(f)      (_llseek((f), (long)0, 2))
#   define H5F_TELL(f)         (_llseek((f),0l,1))
#   define H5F_OPENERR(f)      ((f) == (HFILE)HFILE_ERROR)
#   define H5F_INVALID_FILE    ((HFILE)HFILE_ERROR)
#endif /* FILELIB == WINNTIO */

#if (FILELIB == PAGEBUFIO)
#include "fmpio.h"
/* using page buffered file I/O routines to access files */
typedef MPFILE *hdf_file_t;
#   define H5F_OPEN(p, a)      (MPopen((p), (a)))
#   define H5F_CREATE(p)       (MPopen((p), H5ACC_CREATE))
#   define H5F_CLOSE(f)        (MPclose(f))
#   define H5F_FLUSH(f)        (MPflush(f))
#   define H5F_READ(f, b, n)   (MPread((f), (char *)(b), (n)))
#   define H5F_WRITE(f, b, n)  (MPwrite((f), (char *)(b), (n)))
#   define H5F_SEEK(f, o)      (MPseek((f), (off_t)(o), SEEK_SET))
#   define H5F_SEEKEND(f)      (MPseek((f), (off_t)0, SEEK_END))
#   define H5F_TELL(f)         (MPseek((f), (off_t)0, SEEK_CUR))
#   define H5F_OPENERR(f)      ((f) == (MPFILE *)NULL)
#   define H5F_INVALID_FILE    ((MPFILE *)NULL)
#endif /* FILELIB == PAGEBUFIO */

/**************************************************************************
*  Allocation functions defined differently 
**************************************************************************/
#if !defined MALLOC_CHECK
#  define HDmalloc(s)      (malloc((size_t)s))
#  define HDcalloc(a,b)    (calloc((size_t)a,(size_t)b))
#  define HDfree(p)        (free((void*)p))
#  define HDrealloc(p,s)   (realloc((void*)p,(size_t)s))
#endif /* !defined MALLOC_CHECK */
/* Macro to free space and clear pointer to NULL */
#define HDfreenclear(p) { if((p)!=NULL) HDfree(p); p=NULL; }

/**************************************************************************
*  String functions defined differently 
**************************************************************************/

#  define HDstrcat(s1,s2)   (strcat((s1),(s2)))
#  define HDstrcmp(s,t)     (strcmp((s),(t)))
#  define HDstrcpy(s,d)     (strcpy((s),(d)))
#  define HDstrlen(s)       (strlen((const char *)(s)))
#  define HDstrncmp(s1,s2,n)    (strncmp((s1),(s2),(n)))
#  define HDstrncpy(s1,s2,n)    (strncpy((s1),(s2),(n)))
#  define HDstrchr(s,c)         (strchr((s),(c)))
#  define HDstrrchr(s,c)        (strrchr((s),(c)))
#  define HDstrtol(s,e,b)       (strtol((s),(e),(b)))
/* non-standard function, not defined on the following mahcines - */
#if !(defined VMS || defined macintosh || defined MAC || defined __MWERKS__ || defined SYMANTEC_C || defined MIPSEL || defined NEXT || defined CONVEX || defined IBM6000 || defined ANSISUN || defined IRIX)
#  define HDstrdup(s)      ((char *)strdup((const char *)(s)))
#else
#  define HDstrdup(s)	strdup(s)
#endif /* !(VMS | etc..) */


/**************************************************************************
*  Memory functions defined differently
**************************************************************************/

# define HDmemcpy(dst,src,n)   (memcpy((void *)(dst),(const void *)(src),(size_t)(n)))
# define HDmemmove(dst,src,n)  (memmove((void*)(dst),(const void *)(src),(size_t)(n)))
# define HDmemset(dst,c,n)     (memset((void *)(dst),(intn)(c),(size_t)(n)))
# define HDmemcmp(dst,src,n)   (memcmp((const void *)(dst),(const void *)(src),(size_t)(n)))


/**************************************************************************
*  Misc. functions
**************************************************************************/
#if defined (MAC) || defined (macintosh) || defined(__MWERKS__) || defined (SYMANTEC_C)
#define HDstat(path, result)	(mstat(path))
#else /* !macintosh */
#define HDstat(path, result)	(stat(path, result))
#endif /* !macintosh */
#define HDgetcwd(s,l)           (getcwd(s,l))
#define HDgetenv(s1)            (getenv(s1))
#define HDputenv(s1)            (putenv(s1))
#define HDltoa(v)               (ltoa(v))
#if defined (SUN) && defined(__GNUC__)
#define HDatexit(f)             (0) /* we punt on the SUN using gcc */
#else /* !SUN & GCC */
#define HDatexit(f)             (atexit(f))
#endif /* !SUN & GCC */

#endif /* HDF5PORT_H */