DCMTK
Version 3.6.5
OFFIS DICOM Toolkit
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A class for automatically creating unique pseudo-random filenames. More...
Public Member Functions | |
OFFilenameCreator () | |
default constructor | |
OFFilenameCreator (const OFFilenameCreator ©) | |
copy constructor | |
virtual | ~OFFilenameCreator () |
destructor | |
OFFilenameCreator & | operator= (const OFFilenameCreator ©) |
assignment operator | |
OFBool | makeFilename (unsigned int &seed, const char *dir, const char *prefix, const char *postfix, OFString &filename) |
creates a new unique filename. More... | |
Static Public Member Functions | |
static unsigned int | hashString (const char *str) |
creates hash value. More... | |
Static Private Member Functions | |
static void | addLongToString (unsigned long l, OFString &s) |
appends the lower 32 bit of the given number to the given string. More... | |
Private Attributes | |
unsigned long | creation_time |
date/time of creation of this object | |
A class for automatically creating unique pseudo-random filenames.
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staticprivate |
appends the lower 32 bit of the given number to the given string.
Always appends exactly 8 digits (padded with leading zeros).
l | number to be appended to string |
s | string to be added to |
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static |
creates hash value.
(i.e. random seed) from character string.
str | null-terminated string |
OFBool OFFilenameCreator::makeFilename | ( | unsigned int & | seed, |
const char * | dir, | ||
const char * | prefix, | ||
const char * | postfix, | ||
OFString & | filename | ||
) |
creates a new unique filename.
seed | seed of random number generator |
dir | directory in which the file name should be located |
prefix | filename prefix |
postfix | filename postfix |
filename | string in which the filename (path) is returned |