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tools.hpp File Reference
Private

a set of general purpose routines More...

`#include "../my_config.h"`
`#include <string>`
`#include <vector>`
`#include <deque>`
`#include <map>`
`#include <set>`
`#include "path.hpp"`
`#include "infinint.hpp"`
`#include "generic_file.hpp"`
`#include "integers.hpp"`
`#include "tlv_list.hpp"`
`#include "datetime.hpp"`
`#include "entrepot.hpp"`

Go to the source code of this file.

## Namespaces

namespace | libdar
| libdar namespace encapsulate all libdar symbols

## Functions

void | libdar::tools_init ()
| libdar internal use only: it is launched from get_version() and initializes tools internal variables
void | libdar::tools_end ()
| libdar internal use only: it is launched from close_and_clean() and releases tools internal variables
void | libdar::tools_write_string (generic_file &f, const std::string &s)
| write a string to a file with a '\0' at then end
void | libdar::tools_read_string (generic_file &f, std::string &s)
| read a string from a file expecting it to terminate by '\0'
void | libdar::tools_write_string_all (generic_file &f, const std::string &s)
| write a string to a file, '\0' has no special meaning nor is added at the end
void | libdar::tools_read_string_size (generic_file &f, std::string &s, infinint taille)
| read a string if given size from a file '\0' has no special meaning
infinint | libdar::tools_get_filesize (const path &p)
| retrieve the size in byte of a file
std::string | libdar::tools_display_integer_in_metric_system (infinint number, const std::string &unit, bool binary)
std::string::iterator | libdar::tools_find_last_char_of (std::string &s, unsigned char v)
| give a pointer to the last character of the given value in the given string
void | libdar::tools_blocking_read (int fd, bool mode)
| set blocking/not blocking mode for reading on a file descriptor
std::string | libdar::tools_name_of_uid (const infinint &uid)
| convert uid to name in regards to the current system's configuration
std::string | libdar::tools_name_of_gid (const infinint &gid)
| convert gid to name in regards of the current system's configuration
std::string | libdar::tools_uword2str (U_16 x)
| convert unsigned word to string
std::string | libdar::tools_int2str (S_I x)
| convert integer to string
std::string | libdar::tools_uint2str (U_I x)
std::string | libdar::tools_addspacebefore (std::string s, U_I expected_size)
| prepend spaces before the given string
std::string | libdar::tools_display_date (const datetime &date)
| convert a date in second to its human readable representation
char * | libdar::tools_str2charptr (const std::string &x)
| convert a string to a char *
U_I | libdar::tools_str2int (const std::string &x)
| convert an integer written in decimal notation to the corresponding value
void | libdar::tools_system (user_interaction &dialog, const std::vector< std::string > &argvector)
| wrapper to the "system" system call.
void | libdar::tools_system_with_pipe (const std::shared_ptr< user_interaction > &dialog, const std::string &dar_cmd, const std::vector< std::string > &argvpipe)
| wrapper to the "system" system call using anonymous pipe to tranmit arguments to the child process
void | libdar::tools_write_vector (generic_file &f, const std::vector< std::string > &x)
| write a list of string to file
void | libdar::tools_read_vector (generic_file &f, std::vector< std::string > &x)
| read a list of string from a file
std::string | libdar::tools_concat_vector (const std::string &separator, const std::vector< std::string > &x)
| concatenate a vectors of strings in a single string
std::vector< std::string > | libdar::operator+ (std::vector< std::string > a, std::vector< std::string > b)
| concatenate two vectors
bool | libdar::tools_is_equal_with_hourshift (const infinint &hourshift, const datetime &date1, const datetime &date2)
| test if two dates are equal taking care of a integer hour of difference
template<class T >
std::vector< T > | libdar::operator+= (std::vector< T > &a, const std::vector< T > &b)
| template function to add two vectors
std::string | libdar::tools_readlink (const char *root)
| returns the file pointed to by a symbolic link (or transparent if the file is not a symlink).
void | libdar::tools_noexcept_make_date (const std::string &chem, bool symlink, const datetime &last_acc, const datetime &last_mod, const datetime &birth)
| set dates of a given file, no exception thrown
void | libdar::tools_make_date (const std::string &chemin, bool symlink, const datetime &access, const datetime &modif, const datetime &birth)
| set dates of a given file, may throw exception
bool | libdar::tools_is_case_insensitive_equal (const std::string &a, const std::string &b)
| compare two string in case insensitive manner
void | libdar::tools_to_upper (const std::string &r, std::string &uppered)
| convert a string to upper case
std::string | libdar::tools_printf (const char *format,...)
| make printf-like formating to a std::string
std::string | libdar::tools_vprintf (const char *format, va_list ap)
| make printf-like formating to a std::string
bool | libdar::tools_do_some_files_match_mask_regex (const entrepot &ent, const std::string &file_mask)
| test the presence of files corresponding to a given mask in a directory (regex mask)
void | libdar::tools_unlink_file_mask_regex (user_interaction &dialog, const entrepot &ent, const std::string &file_mask, bool info_details)
| remove files from a given directory
void | libdar::tools_avoid_slice_overwriting_regex (user_interaction &dialog, const entrepot &ent, const std::string &basename, const std::string &extension, bool info_details, bool allow_overwriting, bool warn_overwriting, bool dry_run)
| prevents slice overwriting: check the presence of slice and if necessary ask the user if they can be removed
bool | libdar::tools_are_on_same_filesystem (const std::string &file1, const std::string &file2)
| tells whether two files are on the same mounted filesystem
path | libdar::tools_relative2absolute_path (const path &src, const path &cwd)
| transform a relative path to an absolute one given the current directory value
void | libdar::tools_block_all_signals (sigset_t &old_mask)
| block all signals (based on POSIX sigprocmask)
void | libdar::tools_set_back_blocked_signals (sigset_t old_mask)
| unblock signals according to given mask
U_I | libdar::tools_count_in_string (const std::string &s, const char a)
| counts the number of a given char in a given string
datetime | libdar::tools_get_mtime (user_interaction &dialog, const std::string &s, bool auto_zeroing, bool silent, const std::set< std::string > &ignored_as_symlink=std::set< std::string >())
| returns the last modification date of the given file
infinint | libdar::tools_get_size (const std::string &s)
| returns the size of the given plain file
infinint | libdar::tools_get_extended_size (std::string s, U_I base)
| convert the given string to infinint taking care of multiplication suffixes like k, M, T, etc.
std::string | libdar::tools_substitute (const std::string &hook, const std::map< char, std::string > &corres)
| produce the string resulting from the substition of % macro defined in the map
std::string | libdar::tools_hook_substitute (const std::string &hook, const std::string &path, const std::string &basename, const std::string &num, const std::string &padded_num, const std::string &ext, const std::string &context, const std::string &base_url)
| produces the string resulting from the substitution of %... macro
void | libdar::tools_hook_execute (user_interaction &ui, const std::string &cmd_line)
| execute and retries at user will a given command line
void | libdar::tools_hook_substitute_and_execute (user_interaction &ui, const std::string &hook, const std::string &path, const std::string &basename, const std::string &num, const std::string &padded_num, const std::string &ext, const std::string &context, const std::string &base_url)
| subsititue and execute command line
std::string | libdar::tools_output2xml (const std::string &src)
| convert string for xml output
U_I | libdar::tools_octal2int (const std::string &perm)
| convert octal string to integer
std::string | libdar::tools_int2octal (const U_I &perm)
| convert a number to a string corresponding to its octal representation
char | libdar::tools_cast_type_to_unix_type (char type)
| change the libdar internal type representation to the usual unix char type
std::string | libdar::tools_get_permission_string (char type, U_32 perm, bool hard)
| convert a permission number into its string representation (rwxrwxrwx)
void | libdar::tools_set_permission (S_I fd, U_I perm)
| change the permission of the file which descriptor is given
U_I | libdar::tools_get_permission (S_I fd)
| obtain the permission of the file which descriptor is given
uid_t | libdar::tools_ownership2uid (const std::string &user)
| change ownership of the file which descriptor is given
uid_t | libdar::tools_ownership2gid (const std::string &group)
| convert string group name or gid to numeric gid value
void | libdar::tools_set_ownership (S_I filedesc, const std::string &slice_user, const std::string &slice_group)
| change ownership of the file which descriptor is given
void | libdar::tools_memxor (void *dest, const void *src, U_I n)
| Produces in "dest" the XORed value of "dest" and "src".
tlv_list | libdar::tools_string2tlv_list (user_interaction &dialog, const U_16 &type, const std::vector< std::string > &data)
| Produces a list of TLV from a constant type and a list of string.
U_I | libdar::tools_pseudo_random (U_I max)
| Produces a pseudo random number x, where 0 <= x < max.
template<class N , class B >
std::deque< B > | libdar::tools_number_base_decomposition_in_big_endian (N number, const B &base)
| Template for the decomposition of any number in any base (decimal, octal, hexa, etc.)
std::string | libdar::tools_unsigned_char_to_hexa (unsigned char x)
| convert a unsigned char into its hexa decima representation
std::string | libdar::tools_string_to_hexa (const std::string &input)
| convert a string into its hexadecima representation
infinint | libdar::tools_file_size_to_crc_size (const infinint &size)
| Defines the CRC size to use for a given filesize.
std::string | libdar::tools_getcwd ()
| get current working directory
std::string | libdar::tools_get_compression_ratio (const infinint &storage_size, const infinint &file_size, bool compressed)
| return the string about compression ratio
std::string | libdar::tools_strerror_r (int errnum)
| wrapper routine to strerror_r
void | libdar::tools_secu_string_show (user_interaction &dialog, const std::string &msg, const secu_string &key)
| display the content of a secu_string, this function is only for trouble shooting!
template<class T >
T | libdar::tools_max (T a, T b)
template<class T >
T | libdar::tools_min (T a, T b)
void | libdar::tools_unlink (const std::string &filename)
| remove from filesystem the file which path is given
std::string | libdar::tools_escape_chars_in_string (const std::string &val, const char *to_escape)
| escape with a anti-slash character a set of chars found in the given string
bool | libdar::tools_infinint2U_64 (infinint val, U_64 &res)
| convert an infinint to U_64 (aka "uint64_t" or yet "unsigned long long")
bool | libdar::tools_my_atoi (const char *a, U_I &val)
| ascii to integer conversion
infinint | libdar::tools_double2infinint (double arg)
| convert a double (float) to infinint (integer) taking care of rounding it to the closest value
template<class T >
void | libdar::tools_check_negative_date (T &val, user_interaction &ui, const char *inode_path, const char *nature, bool ask_before, bool silent)
| check the value is not negative, and if asked set it to zero
infinint | libdar::tools_upper_rounded_log2 (const infinint &ref)
| compute an approximate log2 of the argument
infinint | libdar::tools_lower_rounded_exp2 (const infinint &ref)
| compute an approximate exp2 of the argument
infinint | libdar::tools_rounded_square_root (const infinint &ref)
| compute an approximate square root of the argument
infinint | libdar::tools_rounded_cube_root (const infinint &ref)
| compute an approximate cube root of the argument

## Detailed Description

a set of general purpose routines

Definition in file tools.hpp.