/usr/include/gdcm-2.2/gdcmSystem.h is in libgdcm2-dev 2.2.4-1.1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef GDCMSYSTEM_H
#define GDCMSYSTEM_H
#include "gdcmTypes.h"
namespace gdcm
{
/**
* \brief Class to do system operation
* \details OS independent functionalities
*/
class GDCM_EXPORT System
{
public:
/// Create a directory name path
static bool MakeDirectory(const char *path);
/// Check whether the specified file exist on the sytem
static bool FileExists(const char* filename);
/// Check whether the file specified is a directory:
static bool FileIsDirectory(const char* name);
/// Check whether name is a symlink
static bool FileIsSymlink(const char* name);
/// remove a file named source
static bool RemoveFile(const char* source);
/// remove a directory named source
static bool DeleteDirectory(const char *source);
/// Return the last error
static const char *GetLastSystemError();
/// Return the filesize. 0 if file does not exist.
/// \warning you need to use FileExists to differentiate between empty file and missing file.
/// \warning for very large size file and on system where size_t is not appropriate to store
/// off_t value the function will return 0.
static size_t FileSize(const char* filename);
/// Return the time of last modification of file
/// 0 if the file does not exist
static time_t FileTime(const char* filename);
/// Return the directory the current process (executable) is located:
/// NOT THREAD SAFE
static const char *GetCurrentProcessFileName();
/// Return the directory the current module is located:
/// NOT THREAD SAFE
static const char *GetCurrentModuleFileName();
/// On some system (Apple) return the path to the current bundled 'Resources' directory
/// NOT THREAD SAFE
static const char *GetCurrentResourcesDirectory();
// TODO some system calls
// Chdir
// copy a file
/// Retrieve the hostname, only the first 255 byte are copyied.
/// This may come handy to specify the Station Name
static bool GetHostName(char hostname[255]);
// In the following the size '22' is explicitly listed. You need to pass in
// at least 22bytes of array. If the string is an output it will be
// automatically padded ( array[21] == 0 ) for you.
// Those functions: GetCurrentDateTime / FormatDateTime / ParseDateTime do
// not return the &YYZZ part of the DT structure as defined in DICOM PS 3.5 -
// 2008 In this case it is simple to split the date[22] into a DA and TM
// structure
/// Return the current data time, and format it as ASCII text.
/// This is simply a call to gettimeofday + FormatDateTime, since WIN32 do not have an
/// implementation for gettimeofday, this is more portable.
/// The call time(0) is not precise for our resolution
static bool GetCurrentDateTime(char date[22]);
/// format as ASCII text a time_t with milliseconds
/// See VR::DT from DICOM PS 3.5
/// milliseconds is in the range [0, 999999]
static bool FormatDateTime(char date[22], time_t t, long milliseconds = 0);
/// Parse a date stored as ASCII text into a time_t structured (discard millisecond if any)
static bool ParseDateTime(time_t &timep, const char date[22]);
/// Parse a date stored as ASCII text into a time_t structured and millisecond
/// \see FormatDateTime
static bool ParseDateTime(time_t &timep, long &milliseconds, const char date[22]);
/// Return the value for Timezone Offset From UTC as string.
/// \warning not thread safe
static const char *GetTimezoneOffsetFromUTC();
/// Used internally by the UIDGenerator class to convert a uuid tape to a
/// DICOM VR:UI type
static size_t EncodeBytes(char *out, const unsigned char *data, int size);
/// consistent func for C99 spec of strcasecmp/strncasecmp
static int StrCaseCmp(const char *s1, const char *s2);
/// \pre n != 0
static int StrNCaseCmp(const char *s1, const char *s2, size_t n);
/// Return current working directory
/// Warning: if current working path is too long (>2048 bytes) the call will fail
/// and call will return NULL
/// NOT THREAD SAFE
static const char * GetCWD();
/// strtok_r
static char *StrTokR(char *ptr, const char *sep, char **end);
/// return `locale charmap`
static const char *GetLocaleCharset();
/// NOT THREAD SAFE
/*
static void SetArgv0(const char *);
static const char* GetArgv0();
*/
protected:
static bool GetPermissions(const char* file, unsigned short& mode);
static bool SetPermissions(const char* file, unsigned short mode);
private:
};
} // end namespace gdcm
#endif //GDCMSYSTEM_H
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