blob: de3d3a3927f69b9bb00577922b07066a6927738b (
plain) (
blame)
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
|
// Copyright (c) 2005-2009 Jay Berkenbilt
//
// This file is part of qpdf. This software may be distributed under
// the terms of version 2 of the Artistic License which may be found
// in the source distribution. It is provided "as is" without express
// or implied warranty.
#ifndef __QUTIL_HH__
#define __QUTIL_HH__
#include <qpdf/DLL.h>
#include <string>
#include <list>
#include <stdexcept>
#include <stdio.h>
#include <sys/stat.h>
namespace QUtil
{
// This is a collection of useful utility functions that don't
// really go anywhere else.
DLL_EXPORT
std::string int_to_string(int, int length = 0);
DLL_EXPORT
std::string double_to_string(double, int decimal_places = 0);
// Throw std::runtime_error with a string formed by appending to
// "description: " the standard string corresponding to the
// current value of errno.
DLL_EXPORT
void throw_system_error(std::string const& description);
// The status argument is assumed to be the return value of a
// standard library call that sets errno when it fails. If status
// is -1, convert the current value of errno to a
// std::runtime_error that includes the standard error string.
// Otherwise, return status.
DLL_EXPORT
int os_wrapper(std::string const& description, int status);
// The FILE* argument is assumed to be the return of fopen. If
// null, throw std::runtime_error. Otherwise, return the FILE*
// argument.
DLL_EXPORT
FILE* fopen_wrapper(std::string const&, FILE*);
DLL_EXPORT
char* copy_string(std::string const&);
// Set stdin, stdout to binary mode
DLL_EXPORT
void binary_stdout();
DLL_EXPORT
void binary_stdin();
// May modify argv0
DLL_EXPORT
char* getWhoami(char* argv0);
// Get the value of an environment variable in a portable fashion.
// Returns true iff the variable is defined. If `value' is
// non-null, initializes it with the value of the variable.
DLL_EXPORT
bool get_env(std::string const& var, std::string* value = 0);
DLL_EXPORT
time_t get_current_time();
// Return a string containing the byte representation of the UTF-8
// encoding for the unicode value passed in.
DLL_EXPORT
std::string toUTF8(unsigned long uval);
};
#endif // __QUTIL_HH__
|
