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1 | /** @file\r | |
2 | \r | |
3 | Module to rewrite stdlib references within Oniguruma\r | |
4 | \r | |
5 | (C) Copyright 2014-2021 Hewlett Packard Enterprise Development LP<BR>\r | |
6 | Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>\r | |
7 | \r | |
8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
9 | **/\r | |
10 | #include "OnigurumaUefiPort.h"\r | |
11 | \r | |
12 | #define ONIGMEM_HEAD_SIGNATURE SIGNATURE_32('o','m','h','d')\r | |
13 | \r | |
14 | typedef struct {\r | |
15 | UINT32 Signature;\r | |
16 | UINTN Size;\r | |
17 | } ONIGMEM_HEAD;\r | |
18 | \r | |
19 | #define ONIGMEM_OVERHEAD sizeof(ONIGMEM_HEAD)\r | |
20 | \r | |
21 | int EFIAPI sprintf_s(char *str, size_t sizeOfBuffer, char const *fmt, ...)\r | |
22 | {\r | |
23 | VA_LIST Marker;\r | |
24 | int NumberOfPrinted;\r | |
25 | \r | |
26 | VA_START (Marker, fmt);\r | |
27 | NumberOfPrinted = (int)AsciiVSPrint (str, sizeOfBuffer, fmt, Marker);\r | |
28 | VA_END (Marker);\r | |
29 | \r | |
30 | return NumberOfPrinted;\r | |
31 | }\r | |
32 | \r | |
33 | int OnigStrCmp (const char* Str1, const char* Str2)\r | |
34 | {\r | |
35 | return (int)AsciiStrCmp (Str1, Str2);\r | |
36 | }\r | |
37 | \r | |
38 | int strlen(const char* str)\r | |
39 | {\r | |
40 | return strlen_s(str, MAX_STRING_SIZE);\r | |
41 | }\r | |
42 | \r | |
43 | void * malloc (size_t size)\r | |
44 | {\r | |
45 | ONIGMEM_HEAD *PoolHdr;\r | |
46 | UINTN NewSize;\r | |
47 | VOID *Data;\r | |
48 | \r | |
49 | NewSize = (UINTN)(size) + ONIGMEM_OVERHEAD;\r | |
50 | \r | |
51 | Data = AllocatePool (NewSize);\r | |
52 | if (Data != NULL) {\r | |
53 | PoolHdr = (ONIGMEM_HEAD *)Data;\r | |
54 | PoolHdr->Signature = ONIGMEM_HEAD_SIGNATURE;\r | |
55 | PoolHdr->Size = size;\r | |
56 | \r | |
57 | return (VOID *)(PoolHdr + 1);\r | |
58 | }\r | |
59 | return NULL;\r | |
60 | }\r | |
61 | \r | |
62 | void * realloc (void *ptr, size_t size)\r | |
63 | {\r | |
64 | ONIGMEM_HEAD *OldPoolHdr;\r | |
65 | ONIGMEM_HEAD *NewPoolHdr;\r | |
66 | UINTN OldSize;\r | |
67 | UINTN NewSize;\r | |
68 | VOID *Data;\r | |
69 | \r | |
70 | NewSize = (UINTN)size + ONIGMEM_OVERHEAD;\r | |
71 | Data = AllocatePool (NewSize);\r | |
72 | if (Data != NULL) {\r | |
73 | NewPoolHdr = (ONIGMEM_HEAD *)Data;\r | |
74 | NewPoolHdr->Signature = ONIGMEM_HEAD_SIGNATURE;\r | |
75 | NewPoolHdr->Size = size;\r | |
76 | if (ptr != NULL) {\r | |
77 | OldPoolHdr = (ONIGMEM_HEAD *)ptr - 1;\r | |
78 | ASSERT (OldPoolHdr->Signature == ONIGMEM_HEAD_SIGNATURE);\r | |
79 | OldSize = OldPoolHdr->Size;\r | |
80 | \r | |
81 | CopyMem ((VOID *)(NewPoolHdr + 1), ptr, MIN (OldSize, size));\r | |
82 | FreePool ((VOID *)OldPoolHdr);\r | |
83 | }\r | |
84 | return (VOID *)(NewPoolHdr + 1);\r | |
85 | }\r | |
86 | return NULL;\r | |
87 | }\r | |
88 | \r | |
89 | void* memcpy (void *dest, const void *src, unsigned int count)\r | |
90 | {\r | |
91 | return CopyMem (dest, src, (UINTN)count);\r | |
92 | }\r | |
93 | \r | |
94 | void* memset (void *dest, char ch, unsigned int count)\r | |
95 | {\r | |
96 | return SetMem (dest, count, ch);\r | |
97 | }\r | |
98 | \r | |
99 | void free(void *ptr)\r | |
100 | {\r | |
101 | VOID *EvalOnce;\r | |
102 | ONIGMEM_HEAD *PoolHdr;\r | |
103 | \r | |
104 | EvalOnce = ptr;\r | |
105 | if (EvalOnce == NULL) {\r | |
106 | return;\r | |
107 | }\r | |
108 | \r | |
109 | PoolHdr = (ONIGMEM_HEAD *)EvalOnce - 1;\r | |
110 | if (PoolHdr->Signature == ONIGMEM_HEAD_SIGNATURE) {\r | |
111 | FreePool (PoolHdr);\r | |
112 | } else {\r | |
113 | FreePool (EvalOnce);\r | |
114 | }\r | |
115 | }\r |