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[perl5.git] / time64_config.h
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1#ifndef PERL_TIME64_CONFIG_H_
2# define PERL_TIME64_CONFIG_H_
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4#include "reentr.h"
5
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6/* Configuration
7 -------------
8 Define as appropriate for your system.
9 Sensible defaults provided.
10*/
11
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12/* Debugging
13 TIME_64_DEBUG
14 Define if you want debugging messages
15*/
16/* #define TIME_64_DEBUG */
17
18
b86b480f 19/* INT_64_T
d95a2ea5 20 A numeric type to store time and others.
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21 Must be defined.
22*/
d95a2ea5 23#define INT_64_T NV
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24
25
26/* USE_TM64
27 Should we use a 64 bit safe replacement for tm? This will
28 let you go past year 2 billion but the struct will be incompatible
29 with tm. Conversion functions will be provided.
30*/
31#define USE_TM64
32
33
34/* Availability of system functions.
35
36 HAS_GMTIME_R
37 Define if your system has gmtime_r()
38
39 HAS_LOCALTIME_R
40 Define if your system has localtime_r()
41
42 HAS_TIMEGM
43 Define if your system has timegm(), a GNU extension.
44*/
45/* Set in config.h */
46
47
48/* Details of non-standard tm struct elements.
49
50 HAS_TM_TM_GMTOFF
51 True if your tm struct has a "tm_gmtoff" element.
52 A BSD extension.
53
54 HAS_TM_TM_ZONE
55 True if your tm struct has a "tm_zone" element.
56 A BSD extension.
57*/
58/* Set in config.h */
59
60
61/* USE_SYSTEM_LOCALTIME
62 USE_SYSTEM_GMTIME
63 Should we use the system functions if the time is inside their range?
64 Your system localtime() is probably more accurate, but our gmtime() is
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65 fast and safe. Except on VMS, where we need the homegrown gmtime()
66 override to shift between UTC and local for the vmsish 'time' pragma.
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67*/
68#define USE_SYSTEM_LOCALTIME
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69#ifdef VMS
70# define USE_SYSTEM_GMTIME
71#endif
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72
73
74/* SYSTEM_LOCALTIME_MAX
75 SYSTEM_LOCALTIME_MIN
76 SYSTEM_GMTIME_MAX
77 SYSTEM_GMTIME_MIN
78 Maximum and minimum values your system's gmtime() and localtime()
79 can handle. We will use your system functions if the time falls
80 inside these ranges.
81*/
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82#define SYSTEM_LOCALTIME_MAX CAT2(LOCALTIME_MAX,.0)
83#define SYSTEM_LOCALTIME_MIN CAT2(LOCALTIME_MIN,.0)
84#define SYSTEM_GMTIME_MAX CAT2(GMTIME_MAX,.0)
85#define SYSTEM_GMTIME_MIN CAT2(GMTIME_MIN,.0)
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6a5bc5ac 87#endif /* PERL_TIME64_CONFIG_H_ */