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
|
// ==========================================================
// Deprecation Manager
//
// Design and implementation by
// - Noel Llopis (Game Programming Gems II)
//
// This file is part of FreeImage 3
//
// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
// THIS DISCLAIMER.
//
// Use at your own risk!
// ==========================================================
#ifdef _MSC_VER
#pragma warning (disable : 4786) // identifier was truncated to 'number' characters
#endif
#ifdef _WIN32
#include <windows.h>
#endif // _WIN32
#include "FreeImage.h"
#include "Utilities.h"
#include "DeprecationMgr.h"
// ==========================================================
DeprecationMgr::DeprecationMgr() {
}
DeprecationMgr::~DeprecationMgr() {
#ifdef _WIN32
if (!m_functions.empty()) {
OutputDebugString( "*************************************************************************************\n" );
OutputDebugString( "This is a warning, because you use one or more deprecated functions.\nContinuing to use these functions might eventually render your program uncompilable.\nThe following functions are deprecated:\n\n" );
for (std::map<const char *, DeprecatedFunction>::iterator i = m_functions.begin(); i != m_functions.end(); ++i) {
DeprecatedFunction *function = &((*i).second);
char txt[255];
sprintf(txt, " * %s called from %i different places. Instead use %s.\n", function->old_function_name, function->called_from.size(), function->new_function_name);
OutputDebugString(txt);
}
OutputDebugString( "*************************************************************************************\n" );
m_functions.clear();
}
#endif // _WIN32
}
// ==========================================================
DeprecationMgr *
DeprecationMgr::GetInstance() {
static DeprecationMgr Instance;
return &Instance;
}
// ==========================================================
void
DeprecationMgr::AddDeprecatedFunction(const char *old_function_name, const char *new_function_name, const void *frame_ptr) {
#ifdef _WIN32
int *preturn = (int *)frame_ptr + 1; // usual return address @ [ebp+4]
int called_from = IsBadReadPtr(preturn, 4) ? 0 : *preturn;
// check if this function was already listed as deprecated
// if it wasn't, make a new entry for it
// if it was, keep track of where it's called from.
std::map<const char *, DeprecatedFunction>::iterator existing_function = m_functions.find(old_function_name);
if (existing_function == m_functions.end()) {
DeprecatedFunction function;
function.old_function_name = old_function_name;
function.new_function_name = new_function_name;
function.called_from.insert(called_from);
m_functions[old_function_name] = function;
} else {
// since we're keeping track of the addresses this function
// was called from in a set, we don't need to check whether we've
// already added the address.
DeprecatedFunction *function = &((*existing_function).second);
function->called_from.insert(called_from);
}
#endif // _WIN32
}
|
