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51Degrees Device Detection C/C++  4.2Newer Version 4.4

A device detection library that is used natively or by 51Degrees products

memory.h

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2  * This Original Work is copyright of 51 Degrees Mobile Experts Limited.
3  * Copyright 2019 51 Degrees Mobile Experts Limited, 5 Charlotte Close,
4  * Caversham, Reading, Berkshire, United Kingdom RG4 7BY.
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6  * This Original Work is licensed under the European Union Public Licence (EUPL)
7  * v.1.2 and is subject to its terms as set out below.
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17  * If using the Work as, or as part of, a network application, by
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22 
34 #ifndef FIFTYONE_DEGREES_MEMORY_H_INCLUDED
35 #define FIFTYONE_DEGREES_MEMORY_H_INCLUDED
36 
37 #include <stdlib.h>
38 #include <stdbool.h>
39 #include "data.h"
40 #include "threading.h"
41 #include "tree.h"
42 
43 #ifdef __cplusplus
44 #define EXTERNAL extern "C"
45 #else
46 #define EXTERNAL
47 #endif
48 
49 #ifdef _MSC_VER
50 #define FIFTYONE_DEGREES_CALL_CONV __cdecl
51 #else
52 #define FIFTYONE_DEGREES_CALL_CONV
53 #endif
54 
58 typedef struct fiftyone_degrees_memory_reader_t {
59  byte *startByte;
60  byte *current;
61  byte *lastByte;
62  long length;
63 } fiftyoneDegreesMemoryReader;
64 
71 bool fiftyoneDegreesMemoryAdvance(
72  fiftyoneDegreesMemoryReader *reader,
73  size_t advanceBy);
74 
80 EXTERNAL void* fiftyoneDegreesMemoryStandardMalloc(size_t __size);
81 
88 EXTERNAL void* fiftyoneDegreesMemoryTrackingMalloc(size_t __size);
89 
96 EXTERNAL void* fiftyoneDegreesMemoryStandardMallocAligned(
97  int alignment,
98  size_t __size);
99 
100 
109 EXTERNAL void* fiftyoneDegreesMemoryTrackingMallocAligned(
110  int alignment,
111  size_t __size);
112 
119 EXTERNAL void fiftyoneDegreesMemoryTrackingFree(void *__ptr);
120 
127 EXTERNAL void fiftyoneDegreesMemoryTrackingFreeAligned(void* __ptr);
128 
133 EXTERNAL void fiftyoneDegreesMemoryStandardFree(void *__ptr);
134 
139 EXTERNAL void fiftyoneDegreesMemoryStandardFreeAligned(void *__ptr);
140 
148 EXTERNAL size_t fiftyoneDegreesMemoryTrackingGetMax();
149 
155 EXTERNAL size_t fiftyoneDegreesMemoryTrackingGetAllocated();
156 
162 EXTERNAL void fiftyoneDegreesMemoryTrackingReset();
163 
170 EXTERNAL void *(FIFTYONE_DEGREES_CALL_CONV *fiftyoneDegreesMalloc)(size_t __size);
171 
181 EXTERNAL void* (FIFTYONE_DEGREES_CALL_CONV *fiftyoneDegreesMallocAligned)(
182  int alignment,
183  size_t __size);
184 
190 EXTERNAL void (FIFTYONE_DEGREES_CALL_CONV *fiftyoneDegreesFree)(void *__ptr);
191 
197 EXTERNAL void (FIFTYONE_DEGREES_CALL_CONV *fiftyoneDegreesFreeAligned)(void* __ptr);
198 
203 #endif
fiftyoneDegreesMemoryReader::length
long length
Length of the file in bytes.
Definition: memory.h:62
fiftyoneDegreesMemoryTrackingFreeAligned
void fiftyoneDegreesMemoryTrackingFreeAligned(void *__ptr)
Frees memory allocated using the fiftyoneDegreesMemoryTrackingMallocAligned method,...
fiftyoneDegreesMemoryTrackingMalloc
void * fiftyoneDegreesMemoryTrackingMalloc(size_t __size)
Allocates memory while keeping track of the memory which has been allocated using this method since c...
fiftyoneDegreesFreeAligned
void(* fiftyoneDegreesFreeAligned)(void *__ptr)
Pointer to the method used to free memory.
Definition: memory.h:197
fiftyoneDegreesMallocAligned
void *(* fiftyoneDegreesMallocAligned)(int alignment, size_t __size)
Pointer to the method used to allocate aligned memory.
Definition: memory.h:181
fiftyoneDegreesMemoryTrackingGetMax
size_t fiftyoneDegreesMemoryTrackingGetMax()
Gets the maximum total number of bytes that have been allocated using the fiftyoneDegreesMemoryTracki...
fiftyoneDegreesFree
void(* fiftyoneDegreesFree)(void *__ptr)
Pointer to the method used to free memory.
Definition: memory.h:190
fiftyoneDegreesMalloc
void *(* fiftyoneDegreesMalloc)(size_t __size)
Pointer to the method used to allocate memory.
Definition: memory.h:170
fiftyoneDegreesMemoryReader
Used to read data from memory in a similar manner to a file handle.
Definition: memory.h:58
fiftyoneDegreesMemoryReader::startByte
byte * startByte
The first byte in memory.
Definition: memory.h:59
fiftyoneDegreesMemoryReader::current
byte * current
The current byte being read from.
Definition: memory.h:60
fiftyoneDegreesMemoryStandardFreeAligned
void fiftyoneDegreesMemoryStandardFreeAligned(void *__ptr)
Frees memory using the standard aligned free method.
fiftyoneDegreesMemoryTrackingFree
void fiftyoneDegreesMemoryTrackingFree(void *__ptr)
Frees memory allocated using the fiftyoneDegreesMemoryTrackingMalloc method, noting that it has now b...
fiftyoneDegreesMemoryStandardFree
void fiftyoneDegreesMemoryStandardFree(void *__ptr)
Frees memory using the standard free method.
fiftyoneDegreesMemoryTrackingGetAllocated
size_t fiftyoneDegreesMemoryTrackingGetAllocated()
Gets the current number of bytes allocated using the tracking malloc and free methods.
fiftyoneDegreesMemoryTrackingMallocAligned
void * fiftyoneDegreesMemoryTrackingMallocAligned(int alignment, size_t __size)
Allocates aligned memory while keeping track of the memory which has been allocated using this method...
fiftyoneDegreesMemoryStandardMalloc
void * fiftyoneDegreesMemoryStandardMalloc(size_t __size)
Allocates memory using the standard malloc method.
fiftyoneDegreesMemoryReader::lastByte
byte * lastByte
The maximum byte that can be read from.
Definition: memory.h:61
fiftyoneDegreesMemoryTrackingReset
void fiftyoneDegreesMemoryTrackingReset()
Resets the memory trackers keeping track of the data allocated using the fiftyoneDegreesMemoryTrackin...
fiftyoneDegreesMemoryStandardMallocAligned
void * fiftyoneDegreesMemoryStandardMallocAligned(int alignment, size_t __size)
Allocated aligned memory using the standard malloc method.
fiftyoneDegreesMemoryAdvance
bool fiftyoneDegreesMemoryAdvance(fiftyoneDegreesMemoryReader *reader, size_t advanceBy)
Used to read continuous memory checking for buffer over or under runs.

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