/src/libpff/libfcache/libfcache_date_time.c
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1  |  | /*  | 
2  |  |  * Date and time functions  | 
3  |  |  *  | 
4  |  |  * Copyright (C) 2010-2024, Joachim Metz <joachim.metz@gmail.com>  | 
5  |  |  *  | 
6  |  |  * Refer to AUTHORS for acknowledgements.  | 
7  |  |  *  | 
8  |  |  * This program is free software: you can redistribute it and/or modify  | 
9  |  |  * it under the terms of the GNU Lesser General Public License as published by  | 
10  |  |  * the Free Software Foundation, either version 3 of the License, or  | 
11  |  |  * (at your option) any later version.  | 
12  |  |  *  | 
13  |  |  * This program is distributed in the hope that it will be useful,  | 
14  |  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
15  |  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  | 
16  |  |  * GNU General Public License for more details.  | 
17  |  |  *  | 
18  |  |  * You should have received a copy of the GNU Lesser General Public License  | 
19  |  |  * along with this program.  If not, see <https://www.gnu.org/licenses/>.  | 
20  |  |  */  | 
21  |  |  | 
22  |  | #include <common.h>  | 
23  |  |  | 
24  |  | #if defined( HAVE_SYS_TIME_H )  | 
25  |  | #include <sys/time.h>  | 
26  |  | #endif  | 
27  |  |  | 
28  |  | #include <time.h>  | 
29  |  |  | 
30  |  | #include "libfcache_date_time.h"  | 
31  |  | #include "libfcache_libcerror.h"  | 
32  |  | #include "libfcache_types.h"  | 
33  |  |  | 
34  |  | /* Retrieves the cache value timestamp  | 
35  |  |  * Returns 1 if successful or -1 on error  | 
36  |  |  */  | 
37  |  | int libfcache_date_time_get_timestamp(  | 
38  |  |      int64_t *timestamp,  | 
39  |  |      libcerror_error_t **error )  | 
40  | 12.9M  | { | 
41  | 12.9M  | #if defined( HAVE_CLOCK_GETTIME )  | 
42  | 12.9M  |   struct timespec time_structure;  | 
43  | 12.9M  | #endif  | 
44  |  |  | 
45  | 12.9M  |   static char *function = "libfcache_date_time_get_timestamp";  | 
46  |  |  | 
47  | 12.9M  |   if( timestamp == NULL )  | 
48  | 0  |   { | 
49  | 0  |     libcerror_error_set(  | 
50  | 0  |      error,  | 
51  | 0  |      LIBCERROR_ERROR_DOMAIN_ARGUMENTS,  | 
52  | 0  |      LIBCERROR_ARGUMENT_ERROR_INVALID_VALUE,  | 
53  | 0  |      "%s: invalid timestamp.",  | 
54  | 0  |      function );  | 
55  |  | 
  | 
56  | 0  |     return( -1 );  | 
57  | 0  |   }  | 
58  | 12.9M  | #if defined( HAVE_CLOCK_GETTIME )  | 
59  | 12.9M  |   if( clock_gettime(  | 
60  | 12.9M  |        CLOCK_REALTIME,  | 
61  | 12.9M  |        &time_structure ) != 0 )  | 
62  | 0  |   { | 
63  | 0  |     libcerror_error_set(  | 
64  | 0  |      error,  | 
65  | 0  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
66  | 0  |      LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
67  | 0  |      "%s: unable to retrieve current time structure.",  | 
68  | 0  |      function );  | 
69  |  | 
  | 
70  | 0  |     return( -1 );  | 
71  | 0  |   }  | 
72  | 12.9M  |   *timestamp = ( (int64_t) time_structure.tv_sec * 1000000000 ) + time_structure.tv_nsec;  | 
73  |  |  | 
74  |  | #else  | 
75  |  |   *timestamp = (int64_t) time( NULL );  | 
76  |  |  | 
77  |  |   if( *timestamp == (time_t) -1 )  | 
78  |  |   { | 
79  |  |     libcerror_error_set(  | 
80  |  |      error,  | 
81  |  |      LIBCERROR_ERROR_DOMAIN_RUNTIME,  | 
82  |  |      LIBCERROR_RUNTIME_ERROR_GET_FAILED,  | 
83  |  |      "%s: unable to retrieve current time.",  | 
84  |  |      function );  | 
85  |  |  | 
86  |  |     return( -1 );  | 
87  |  |   }  | 
88  |  | #endif /* defined( HAVE_CLOCK_GETTIME ) */  | 
89  |  |  | 
90  | 12.9M  |   return( 1 );  | 
91  | 12.9M  | }  | 
92  |  |  |