1 /*-
2  * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
3  * Redistribution and modifications are permitted subject to BSD license.
4  */
5 #ifndef	_GeneralizedTime_H_
6 #define	_GeneralizedTime_H_
7 
8 #include "asn1/asn1c/OCTET_STRING.h"
9 
10 #ifdef __cplusplus
11 extern "C" {
12 #endif
13 
14 typedef OCTET_STRING_t GeneralizedTime_t;  /* Implemented via OCTET STRING */
15 
16 extern asn_TYPE_descriptor_t asn_DEF_GeneralizedTime;
17 extern asn_TYPE_operation_t asn_OP_GeneralizedTime;
18 
19 asn_struct_print_f GeneralizedTime_print;
20 asn_struct_compare_f GeneralizedTime_compare;
21 asn_constr_check_f GeneralizedTime_constraint;
22 der_type_encoder_f GeneralizedTime_encode_der;
23 xer_type_encoder_f GeneralizedTime_encode_xer;
24 asn_random_fill_f  GeneralizedTime_random_fill;
25 
26 #define GeneralizedTime_free           OCTET_STRING_free
27 #define GeneralizedTime_decode_ber     OCTET_STRING_decode_ber
28 #define GeneralizedTime_decode_xer     OCTET_STRING_decode_xer_utf8
29 #define GeneralizedTime_decode_uper    OCTET_STRING_decode_uper
30 #define GeneralizedTime_encode_uper    OCTET_STRING_encode_uper
31 
32 /***********************
33  * Some handy helpers. *
34  ***********************/
35 
36 struct tm;	/* <time.h> */
37 
38 /*
39  * Convert a GeneralizedTime structure into time_t
40  * and optionally into struct tm.
41  * If as_gmt is given, the resulting _optional_tm4fill will have a GMT zone,
42  * instead of default local one.
43  * On error returns -1 and errno set to EINVAL
44  */
45 time_t asn_GT2time(const GeneralizedTime_t *, struct tm *_optional_tm4fill,
46 	int as_gmt);
47 
48 /* A version of the above function also returning the fractions of seconds */
49 time_t asn_GT2time_frac(const GeneralizedTime_t *,
50 	int *frac_value, int *frac_digits,	/* (value / (10 ^ digits)) */
51 	struct tm *_optional_tm4fill, int as_gmt);
52 
53 /*
54  * Another version returning fractions with defined precision
55  * For example, parsing of the time ending with ".1" seconds
56  * with frac_digits=3 (msec) would yield frac_value = 100.
57  */
58 time_t asn_GT2time_prec(const GeneralizedTime_t *,
59 	int *frac_value, int frac_digits,
60 	struct tm *_optional_tm4fill, int as_gmt);
61 
62 /*
63  * Convert a struct tm into GeneralizedTime.
64  * If _optional_gt is not given, this function will try to allocate one.
65  * If force_gmt is given, the resulting GeneralizedTime will be forced
66  * into a GMT time zone (encoding ends with a "Z").
67  * On error, this function returns 0 and sets errno.
68  */
69 GeneralizedTime_t *asn_time2GT(GeneralizedTime_t *_optional_gt,
70 	const struct tm *, int force_gmt);
71 GeneralizedTime_t *asn_time2GT_frac(GeneralizedTime_t *_optional_gt,
72 	const struct tm *, int frac_value, int frac_digits, int force_gmt);
73 
74 #ifdef __cplusplus
75 }
76 #endif
77 
78 #endif	/* _GeneralizedTime_H_ */
79