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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
|
#include "cmdline.h"
static OSErr memError;
typedef struct HandleStructure {
char *addr;
OSHandle hand;
} HandleStructure;
#define HS(h) ((HandleStructure *) (h))
OSHandle *OS_PeekMacHandle(Handle h) {
return &HS(h)->hand;
}
static void FixHandlePtr(Handle h, void *ptr) {
HS(h)->addr = ptr;
}
Handle OS_CreateMacHandle(OSHandle *h) {
HandleStructure *hs = malloc(sizeof(HandleStructure));
if (!hs) {
memError = memFullErr;
return 0;
};
hs->hand = *h;
OS_InvalidateHandle(h);
hs->addr = OS_LockHandle(&hs->hand);
OS_UnlockHandle(&hs->hand);
return (Handle) hs;
}
Handle OS_CreateMacHandleDup(OSHandle *h) {
HandleStructure *hs = malloc(sizeof(HandleStructure));
if (!hs) {
memError = memFullErr;
return 0;
};
hs->hand = *h;
hs->addr = OS_LockHandle(&hs->hand);
OS_UnlockHandle(&hs->hand);
return (Handle) hs;
}
void OS_DestroyMacHandle(Handle h, OSHandle *ret) {
*ret = *OS_PeekMacHandle(h);
free(h);
}
OSErr MemError() {
return memError;
}
Handle NewHandle(SInt32 dataSize) {
int err;
OSHandle oh;
err = OS_NewHandle(dataSize, &oh);
if (err) {
memError = OS_MacError(err);
return 0;
}
return OS_CreateMacHandle(&oh);
}
Handle NewHandleClear(UInt32 dataSize) {
Handle hdl = NewHandle(dataSize);
if (hdl) {
HLock(hdl);
if (*hdl)
memset(*hdl, 0, dataSize);
HUnlock(hdl);
}
return hdl;
}
Handle TempNewHandle(UInt32 dataSize, OSErr *resultCode) {
Handle hdl;
*resultCode = 0;
hdl = NewHandle(dataSize);
if (!hdl)
*resultCode = memError;
return hdl;
}
void DisposeHandle(Handle h) {
if (h) {
memError = OS_MacError(OS_FreeHandle(&HS(h)->hand));
FixHandlePtr(h, 0);
} else {
memError = nilHandleErr;
}
}
void HLock(Handle h) {
void *buffer;
if (h) {
buffer = OS_LockHandle(&HS(h)->hand);
FixHandlePtr(h, buffer);
memError = 0;
} else {
memError = nilHandleErr;
}
}
void HLockHi(Handle h) {
HLock(h);
}
void HUnlock(Handle h) {
if (h) {
memError = 0;
OS_UnlockHandle(&HS(h)->hand);
} else {
memError = nilHandleErr;
}
}
void HPurge(Handle theHandle) {
memError = 0;
}
void HNoPurge(Handle theHandle) {
memError = 0;
}
SInt8 HGetState(Handle theHandle) {
memError = 0;
return 0;
}
void HSetState(Handle theHandle, SInt8 flags) {
memError = 0;
}
SInt32 GetHandleSize(Handle h) {
UInt32 sz;
if (h) {
memError = OS_MacError(OS_GetHandleSize(&HS(h)->hand, &sz));
} else {
sz = 0;
memError = nilHandleErr;
}
return sz;
}
void SetHandleSize(Handle h, SInt32 newSize) {
memError = OS_MacError(OS_ResizeHandle(&HS(h)->hand, newSize));
FixHandlePtr(h, OS_LockHandle(&HS(h)->hand));
OS_UnlockHandle(&HS(h)->hand);
}
OSErr PtrAndHand(const void *srcPtr, Handle destHandle, SInt32 size) {
OSErr err;
err = OS_MacError(OS_AppendHandle(&HS(destHandle)->hand, srcPtr, size));
FixHandlePtr(destHandle, OS_LockHandle(&HS(destHandle)->hand));
OS_UnlockHandle(&HS(destHandle)->hand);
return err;
}
OSErr PtrToHand(const void *srcPtr, Handle *destHandle, SInt32 size) {
if (!(*destHandle = NewHandle(size)))
return MemError();
HLock(*destHandle);
memcpy(**destHandle, srcPtr, size);
HUnlock(*destHandle);
return MemError();
}
OSErr HandToHand(Handle *destHandle) {
Handle srcHandle = *destHandle;
SInt32 size;
size = GetHandleSize(srcHandle);
if (!(*destHandle = NewHandle(size)))
return MemError();
HLock(*destHandle);
HLock(srcHandle);
memcpy(**destHandle, *srcHandle, size);
HUnlock(srcHandle);
HUnlock(*destHandle);
return MemError();
}
OSErr HandAndHand(Handle src, Handle dst) {
OSErr err;
SInt32 size;
HLock(src);
size = GetHandleSize(src);
err = PtrAndHand(*src, dst, size);
HUnlock(src);
return err;
}
void MoveHHi(Handle theHandle) {
memError = theHandle ? noErr : nilHandleErr;
}
void BlockMove(const void *srcPtr, void *destPtr, UInt32 byteCount) {
memmove(destPtr, srcPtr, byteCount);
}
void BlockMoveData(const void *srcPtr, void *destPtr, UInt32 byteCount) {
memmove(destPtr, srcPtr, byteCount);
}
Ptr NewPtr(SInt32 dataSize) {
Ptr p;
if (!dataSize)
dataSize = 1;
p = malloc(dataSize);
memError = p ? noErr : memFullErr;
return p;
}
void DisposePtr(Ptr p) {
memError = 0;
if (p)
free(p);
}
Ptr NewPtrClear(SInt32 dataSize) {
Ptr p;
memError = memFullErr;
if (!dataSize)
dataSize = 1;
p = malloc(dataSize);
if (p) {
memError = 0;
memset(p, 0, dataSize);
}
return p;
}
void DebugStr(ConstStringPtr str) {
fprintf(stderr, "%*.*s", str[0], str[0], &str[1]);
}
struct Zone *HandleZone() {
return 0;
}
struct Zone *ApplicationZone() {
return 0;
}
|
