MdeModulePkg/GraphicsConsoleDxe: add modes

[mirror_edk2.git] / MdeModulePkg / Universal / RegularExpressionDxe / OnigurumaUefiPort.c

/** @file\r
\r
  Module to rewrite stdlib references within Oniguruma\r
\r
  (C) Copyright 2014-2021 Hewlett Packard Enterprise Development LP<BR>\r
  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
**/\r
#include "OnigurumaUefiPort.h"\r
\r
#define ONIGMEM_HEAD_SIGNATURE  SIGNATURE_32('o','m','h','d')\r
\r
typedef struct {\r
  UINT32    Signature;\r
  UINTN     Size;\r
} ONIGMEM_HEAD;\r
\r
#define ONIGMEM_OVERHEAD  sizeof(ONIGMEM_HEAD)\r
\r
int EFIAPI\r
sprintf_s (\r
  char        *str,\r
  size_t      sizeOfBuffer,\r
  char const  *fmt,\r
  ...\r
  )\r
{\r
  VA_LIST  Marker;\r
  int      NumberOfPrinted;\r
\r
  VA_START (Marker, fmt);\r
  NumberOfPrinted = (int)AsciiVSPrint (str, sizeOfBuffer, fmt, Marker);\r
  VA_END (Marker);\r
\r
  return NumberOfPrinted;\r
}\r
\r
int\r
OnigStrCmp (\r
  const char  *Str1,\r
  const char  *Str2\r
  )\r
{\r
  return (int)AsciiStrCmp (Str1, Str2);\r
}\r
\r
int\r
strlen (\r
  const char  *str\r
  )\r
{\r
  return strlen_s (str, MAX_STRING_SIZE);\r
}\r
\r
void *\r
malloc (\r
  size_t  size\r
  )\r
{\r
  ONIGMEM_HEAD  *PoolHdr;\r
  UINTN         NewSize;\r
  VOID          *Data;\r
\r
  NewSize = (UINTN)(size) + ONIGMEM_OVERHEAD;\r
\r
  Data = AllocatePool (NewSize);\r
  if (Data != NULL) {\r
    PoolHdr            = (ONIGMEM_HEAD *)Data;\r
    PoolHdr->Signature = ONIGMEM_HEAD_SIGNATURE;\r
    PoolHdr->Size      = size;\r
\r
    return (VOID *)(PoolHdr + 1);\r
  }\r
\r
  return NULL;\r
}\r
\r
void *\r
realloc (\r
  void    *ptr,\r
  size_t  size\r
  )\r
{\r
  ONIGMEM_HEAD  *OldPoolHdr;\r
  ONIGMEM_HEAD  *NewPoolHdr;\r
  UINTN         OldSize;\r
  UINTN         NewSize;\r
  VOID          *Data;\r
\r
  NewSize = (UINTN)size + ONIGMEM_OVERHEAD;\r
  Data    = AllocatePool (NewSize);\r
  if (Data != NULL) {\r
    NewPoolHdr            = (ONIGMEM_HEAD *)Data;\r
    NewPoolHdr->Signature = ONIGMEM_HEAD_SIGNATURE;\r
    NewPoolHdr->Size      = size;\r
    if (ptr != NULL) {\r
      OldPoolHdr = (ONIGMEM_HEAD *)ptr - 1;\r
      ASSERT (OldPoolHdr->Signature == ONIGMEM_HEAD_SIGNATURE);\r
      OldSize = OldPoolHdr->Size;\r
\r
      CopyMem ((VOID *)(NewPoolHdr + 1), ptr, MIN (OldSize, size));\r
      FreePool ((VOID *)OldPoolHdr);\r
    }\r
\r
    return (VOID *)(NewPoolHdr + 1);\r
  }\r
\r
  return NULL;\r
}\r
\r
void *\r
memcpy (\r
  void          *dest,\r
  const void    *src,\r
  unsigned int  count\r
  )\r
{\r
  return CopyMem (dest, src, (UINTN)count);\r
}\r
\r
void *\r
memset (\r
  void          *dest,\r
  char          ch,\r
  unsigned int  count\r
  )\r
{\r
  return SetMem (dest, count, ch);\r
}\r
\r
void\r
free (\r
  void  *ptr\r
  )\r
{\r
  VOID          *EvalOnce;\r
  ONIGMEM_HEAD  *PoolHdr;\r
\r
  EvalOnce = ptr;\r
  if (EvalOnce == NULL) {\r
    return;\r
  }\r
\r
  PoolHdr = (ONIGMEM_HEAD *)EvalOnce - 1;\r
  if (PoolHdr->Signature == ONIGMEM_HEAD_SIGNATURE) {\r
    FreePool (PoolHdr);\r
  } else {\r
    FreePool (EvalOnce);\r
  }\r
}\r