MdeModulePkg/EbcDebugger: Use AsciiCharToUpper and CharToUpper

[mirror_edk2.git] / MdeModulePkg / Universal / EbcDxe / EbcDebugger / EdbSupportString.c

/** @file\r
\r
Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
\r
**/\r
\r
#include "Edb.h"\r
\r
/**\r
\r
  Convert hex string to uint.\r
\r
  @param  Str  -  The string\r
\r
**/\r
UINTN\r
EFIAPI\r
Xtoi (\r
  CHAR16  *Str\r
  )\r
{\r
  UINTN   RetVal;\r
  CHAR16  TempChar;\r
  UINTN   MaxVal;\r
\r
  ASSERT (Str != NULL);\r
\r
  MaxVal = (UINTN) -1 >> 4;\r
  //\r
  // skip preceeding white space\r
  //\r
  while (*Str != '\0' && *Str == ' ') {\r
    Str += 1;\r
  }\r
  //\r
  // skip preceeding zeros\r
  //\r
  while (*Str != '\0' && *Str == '0') {\r
    Str += 1;\r
  }\r
  //\r
  // skip preceeding white space\r
  //\r
  if (*Str != '\0' && (*Str == 'x' || *Str == 'X')) {\r
    Str += 1;\r
  }\r
  //\r
  // convert hex digits\r
  //\r
  RetVal = 0;\r
  TempChar = *(Str++);\r
  while (TempChar != '\0') {\r
    if (TempChar >= 'a' && TempChar <= 'f') {\r
      TempChar -= 'a' - 'A';\r
    }\r
\r
    if ((TempChar >= '0' && TempChar <= '9') || (TempChar >= 'A' && TempChar <= 'F')) {\r
      if (RetVal > MaxVal) {\r
        return (UINTN) -1;\r
      }\r
\r
      RetVal = (RetVal << 4) | (TempChar - (TempChar >= 'A' ? 'A' - 10 : '0'));\r
    } else {\r
      break;\r
    }\r
\r
    TempChar = *(Str++);\r
  }\r
\r
  return RetVal;\r
}\r
\r
/**\r
\r
  Convert hex string to uint.\r
\r
  @param  Str  -  The string\r
\r
**/\r
UINT64\r
EFIAPI\r
LXtoi (\r
  CHAR16  *Str\r
  )\r
{\r
  UINT64  RetVal;\r
  CHAR16  TempChar;\r
  UINT64  MaxVal;\r
\r
  ASSERT (Str != NULL);\r
\r
  MaxVal = RShiftU64 ((UINT64) -1, 4);\r
  //\r
  // skip preceeding white space\r
  //\r
  while (*Str != '\0' && *Str == ' ') {\r
    Str += 1;\r
  }\r
  //\r
  // skip preceeding zeros\r
  //\r
  while (*Str != '\0' && *Str == '0') {\r
    Str += 1;\r
  }\r
  //\r
  // skip preceeding white space\r
  //\r
  if (*Str != '\0' && (*Str == 'x' || *Str == 'X')) {\r
    Str += 1;\r
  }\r
  //\r
  // convert hex digits\r
  //\r
  RetVal = 0;\r
  TempChar = *(Str++);\r
  while (TempChar != '\0') {\r
    if (TempChar >= 'a' && TempChar <= 'f') {\r
      TempChar -= 'a' - 'A';\r
    }\r
\r
    if ((TempChar >= '0' && TempChar <= '9') || (TempChar >= 'A' && TempChar <= 'F')) {\r
      if (RetVal > MaxVal) {\r
        return (UINT64) -1;\r
      }\r
\r
      RetVal = LShiftU64 (RetVal, 4);\r
      RetVal = RetVal + (TempChar - (TempChar >= 'A' ? 'A' - 10 : '0'));\r
    } else {\r
      break;\r
    }\r
\r
    TempChar = *(Str++);\r
  }\r
\r
  return RetVal;\r
}\r
\r
/**\r
\r
  Convert hex string to uint.\r
\r
  @param Str  -  The string\r
\r
**/\r
UINTN\r
EFIAPI\r
Atoi (\r
  CHAR16  *Str\r
  )\r
{\r
  UINTN   RetVal;\r
  CHAR16  TempChar;\r
  UINTN   MaxVal;\r
  UINTN   ResteVal;\r
\r
  ASSERT (Str != NULL);\r
\r
  MaxVal = (UINTN) -1 / 10;\r
  ResteVal = (UINTN) -1 % 10;\r
  //\r
  // skip preceeding white space\r
  //\r
  while (*Str != '\0' && *Str == ' ') {\r
    Str += 1;\r
  }\r
  //\r
  // convert digits\r
  //\r
  RetVal = 0;\r
  TempChar = *(Str++);\r
  while (TempChar != '\0') {\r
    if (TempChar >= '0' && TempChar <= '9') {\r
      if (RetVal > MaxVal || (RetVal == MaxVal && TempChar - '0' > (INTN) ResteVal)) {\r
        return (UINTN) -1;\r
      }\r
\r
      RetVal = (RetVal * 10) + TempChar - '0';\r
    } else {\r
      break;\r
    }\r
\r
    TempChar = *(Str++);\r
  }\r
\r
  return RetVal;\r
}\r
\r
/**\r
\r
  Convert hex string to uint.\r
\r
  @param  Str  -  The string\r
\r
**/\r
UINTN\r
EFIAPI\r
AsciiXtoi (\r
  CHAR8  *Str\r
  )\r
{\r
  UINTN   RetVal;\r
  CHAR8   TempChar;\r
  UINTN   MaxVal;\r
\r
  ASSERT (Str != NULL);\r
\r
  MaxVal = (UINTN) -1 >> 4;\r
  //\r
  // skip preceeding white space\r
  //\r
  while (*Str != '\0' && *Str == ' ') {\r
    Str += 1;\r
  }\r
  //\r
  // skip preceeding zeros\r
  //\r
  while (*Str != '\0' && *Str == '0') {\r
    Str += 1;\r
  }\r
  //\r
  // skip preceeding white space\r
  //\r
  if (*Str != '\0' && (*Str == 'x' || *Str == 'X')) {\r
    Str += 1;\r
  }\r
  //\r
  // convert hex digits\r
  //\r
  RetVal = 0;\r
  TempChar = *(Str++);\r
  while (TempChar != '\0') {\r
    if (TempChar >= 'a' && TempChar <= 'f') {\r
      TempChar -= 'a' - 'A';\r
    }\r
\r
    if ((TempChar >= '0' && TempChar <= '9') || (TempChar >= 'A' && TempChar <= 'F')) {\r
      if (RetVal > MaxVal) {\r
        return (UINTN) -1;\r
      }\r
\r
      RetVal = (RetVal << 4) | (TempChar - (TempChar >= 'A' ? 'A' - 10 : '0'));\r
    } else {\r
      break;\r
    }\r
\r
    TempChar = *(Str++);\r
  }\r
\r
  return RetVal;\r
}\r
\r
/**\r
\r
  Convert hex string to uint.\r
\r
  @param Str  -  The string\r
\r
**/\r
UINTN\r
EFIAPI\r
AsciiAtoi (\r
  CHAR8  *Str\r
  )\r
{\r
  UINTN   RetVal;\r
  CHAR8   TempChar;\r
  UINTN   MaxVal;\r
  UINTN   ResteVal;\r
\r
  ASSERT (Str != NULL);\r
\r
  MaxVal = (UINTN) -1 / 10;\r
  ResteVal = (UINTN) -1 % 10;\r
  //\r
  // skip preceeding white space\r
  //\r
  while (*Str != '\0' && *Str == ' ') {\r
    Str += 1;\r
  }\r
  //\r
  // convert digits\r
  //\r
  RetVal = 0;\r
  TempChar = *(Str++);\r
  while (TempChar != '\0') {\r
    if (TempChar >= '0' && TempChar <= '9') {\r
      if (RetVal > MaxVal || (RetVal == MaxVal && TempChar - '0' > (INTN) ResteVal)) {\r
        return (UINTN) -1;\r
      }\r
\r
      RetVal = (RetVal * 10) + TempChar - '0';\r
    } else {\r
      break;\r
    }\r
\r
    TempChar = *(Str++);\r
  }\r
\r
  return RetVal;\r
}\r
\r
\r
/**\r
  Compare the Unicode and Ascii string pointed by String to the string pointed by String2.\r
\r
  @param String - Unicode String to process\r
\r
  @param String2 - Ascii string to process\r
\r
  @return Return a positive integer if String is lexicall greater than String2; Zero if\r
  the two strings are identical; and a negative interger if String is lexically\r
  less than String2.\r
\r
**/\r
INTN\r
EFIAPI\r
StrCmpUnicodeAndAscii (\r
  IN CHAR16   *String,\r
  IN CHAR8    *String2\r
  )\r
{\r
  while (*String != '\0') {\r
    if (*String != (CHAR16)*String2) {\r
      break;\r
    }\r
\r
    String += 1;\r
    String2 += 1;\r
  }\r
\r
  return (*String - (CHAR16)*String2);\r
}\r
\r
/**\r
\r
  Compare the Unicode string pointed by String to the string pointed by String2.\r
\r
  @param  String - Unicode String to process\r
  @param  String2 - Unicode string to process\r
\r
  @return Return a positive integer if String is lexically greater than String2; Zero if\r
  the two strings are identical; and a negative integer if String is lexically\r
  less than String2.\r
\r
**/\r
INTN\r
EFIAPI\r
StriCmp (\r
  IN CHAR16   *String,\r
  IN CHAR16   *String2\r
  )\r
{\r
  while ((*String != L'\0') &&\r
         (CharToUpper (*String) == CharToUpper (*String2))) {\r
    String++;\r
    String2++;\r
  }\r
\r
  return CharToUpper (*String) - CharToUpper (*String2);\r
}\r
\r
/**\r
\r
  Compare the Unicode and Ascii string pointed by String to the string pointed by String2.\r
\r
  @param  String - Unicode String to process\r
  @param  String2 - Ascii string to process\r
\r
  @return Return a positive integer if String is lexically greater than String2; Zero if\r
  the two strings are identical; and a negative integer if String is lexically\r
  less than String2.\r
\r
**/\r
INTN\r
EFIAPI\r
StriCmpUnicodeAndAscii (\r
  IN CHAR16   *String,\r
  IN CHAR8    *String2\r
  )\r
{\r
  while ((*String != L'\0') &&\r
         (CharToUpper (*String) == (CHAR16)AsciiCharToUpper (*String2))) {\r
    String++;\r
    String2++;\r
  }\r
\r
  return CharToUpper (*String) - (CHAR16)AsciiCharToUpper (*String2);\r
}\r
\r
/**\r
\r
  Verify if the string is end with the sub string.\r
\r
  @param  Str - The string where to search the sub string\r
  @param  SubStr - The substring.\r
\r
**/\r
BOOLEAN\r
EFIAPI\r
StrEndWith (\r
  IN CHAR16                       *Str,\r
  IN CHAR16                       *SubStr\r
  )\r
{\r
  CHAR16  *Temp;\r
\r
  if ((Str == NULL) || (SubStr == NULL) || (StrLen(Str) < StrLen(SubStr))) {\r
    return FALSE;\r
  }\r
\r
  Temp = Str + StrLen(Str) - StrLen(SubStr);\r
\r
  //\r
  // Compare\r
  //\r
  if (StriCmp (Temp, SubStr) == 0) {\r
    return TRUE;\r
  } else {\r
    return FALSE;\r
  }\r
}\r
\r
/**\r
  Duplicate a string.\r
\r
  @param  Src  The string to be duplicated.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrDuplicate (\r
  IN CHAR16   *Src\r
  )\r
{\r
  CHAR16      *Dest;\r
  UINTN       Size;\r
\r
  Size = (StrLen(Src) + 1) * sizeof(CHAR16);\r
  Dest = AllocateZeroPool (Size);\r
  if (Dest != NULL) {\r
    CopyMem (Dest, Src, Size);\r
  }\r
  return Dest;\r
}\r
\r
\r
CHAR16  *mLineBuffer          = NULL;\r
CHAR16  *mFieldBuffer         = NULL;\r
\r
/**\r
\r
  Find the first substring.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
UINTN\r
EFIAPI\r
StrSpn (\r
  IN CHAR16                       *String,\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  UINTN   Count;\r
  CHAR16  *Str1;\r
  CHAR16  *Str2;\r
\r
  Count = 0;\r
\r
  for (Str1 = String; *Str1 != L'\0'; Str1 ++) {\r
    for (Str2 = CharSet; *Str2 != L'\0'; Str2 ++) {\r
      if (*Str1 == *Str2) {\r
        break;\r
      }\r
    }\r
\r
    if (*Str2 == L'\0') {\r
      return Count;\r
    }\r
\r
    Count ++;\r
  }\r
\r
  return Count;\r
}\r
\r
/**\r
\r
  Searches a string for the first occurrence of a character contained in a\r
  specified buffer.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrBrk (\r
  IN CHAR16                       *String,\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  CHAR16  *Str1;\r
  CHAR16  *Str2;\r
\r
  for (Str1 = String; *Str1 != L'\0'; Str1 ++) {\r
    for (Str2 = CharSet; *Str2 != L'\0'; Str2 ++) {\r
      if (*Str1 == *Str2) {\r
        return (CHAR16 *) Str1;\r
      }\r
    }\r
  }\r
\r
  return NULL;\r
}\r
\r
/**\r
\r
  Find the next token after one or more specified characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrTokenLine (\r
  IN CHAR16                       *String OPTIONAL,\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  CHAR16  *Begin;\r
  CHAR16  *End;\r
\r
  Begin = (String == NULL) ? mLineBuffer : String;\r
  if (Begin == NULL) {\r
    return NULL;\r
  }\r
\r
  Begin += StrSpn (Begin, CharSet);\r
  if (*Begin == L'\0') {\r
    mLineBuffer = NULL;\r
    return NULL;\r
  }\r
\r
  End = StrBrk (Begin, CharSet);\r
  if ((End != NULL) && (*End != L'\0')) {\r
    *End = L'\0';\r
    End ++;\r
  }\r
\r
  mLineBuffer = End;\r
  return Begin;\r
}\r
\r
/**\r
\r
  Find the next token after one specificed characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrTokenField (\r
  IN CHAR16                       *String OPTIONAL,\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  CHAR16  *Begin;\r
  CHAR16  *End;\r
\r
\r
  Begin = (String == NULL) ? mFieldBuffer : String;\r
  if (Begin == NULL) {\r
    return NULL;\r
  }\r
\r
  if (*Begin == L'\0') {\r
    mFieldBuffer = NULL;\r
    return NULL;\r
  }\r
\r
  End = StrBrk (Begin, CharSet);\r
  if ((End != NULL) && (*End != L'\0')) {\r
    *End = L'\0';\r
    End ++;\r
  }\r
\r
  mFieldBuffer = End;\r
  return Begin;\r
}\r
\r
/**\r
\r
  Find the next token after one or more specified characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrGetNewTokenLine (\r
  IN CHAR16                       *String,\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  return StrTokenLine (String, CharSet);\r
}\r
\r
/**\r
\r
  Find the next token after one or more specified characters.\r
\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrGetNextTokenLine (\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  return StrTokenLine (NULL, CharSet);\r
}\r
\r
/**\r
\r
  Find the next token after one specificed characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrGetNewTokenField (\r
  IN CHAR16                       *String,\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  return StrTokenField (String, CharSet);\r
}\r
\r
/**\r
\r
  Find the next token after one specificed characters.\r
\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR16 *\r
EFIAPI\r
StrGetNextTokenField (\r
  IN CHAR16                       *CharSet\r
  )\r
{\r
  return StrTokenField (NULL, CharSet);\r
}\r
\r
/**\r
\r
  Patch a character to the end of a string.\r
\r
  @param  Buffer   The string to be patched.\r
  @param  Patch    The patch character.\r
\r
**/\r
VOID\r
EFIAPI\r
PatchForStrTokenAfter (\r
  IN CHAR16    *Buffer,\r
  IN CHAR16    Patch\r
  )\r
{\r
  CHAR16 *Str;\r
\r
  if (Buffer == NULL) {\r
    return ;\r
  }\r
\r
  Str = Buffer;\r
  while (*Str != 0) {\r
    Str ++;\r
  }\r
  *Str = Patch;\r
\r
  while (*(Str ++) != '\0') {\r
    if (*Str == 0) {\r
      *Str = Patch;\r
    } else {\r
      break;\r
    }\r
  }\r
\r
  return ;\r
}\r
\r
/**\r
  Patch a character at the beginning of a string.\r
\r
  @param  Buffer   The string to be patched.\r
  @param  Patch    The patch character.\r
\r
**/\r
VOID\r
EFIAPI\r
PatchForStrTokenBefore (\r
  IN CHAR16    *Buffer,\r
  IN CHAR16    Patch\r
  )\r
{\r
  CHAR16 *Str;\r
\r
  if (Buffer == NULL) {\r
    return ;\r
  }\r
\r
  Str = Buffer;\r
  while (*(Str --) != '\0') {\r
    if ((*Str == 0) || (*Str == Patch)) {\r
      *Str = Patch;\r
    } else {\r
      break;\r
    }\r
  }\r
\r
  return ;\r
}\r
\r
CHAR8  *mAsciiLineBuffer          = NULL;\r
CHAR8  *mAsciiFieldBuffer         = NULL;\r
\r
/**\r
\r
  Find the first substring.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
UINTN\r
EFIAPI\r
AsciiStrSpn (\r
  IN CHAR8                       *String,\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  UINTN   Count;\r
  CHAR8  *Str1;\r
  CHAR8  *Str2;\r
\r
  Count = 0;\r
\r
  for (Str1 = String; *Str1 != '\0'; Str1 ++) {\r
    for (Str2 = CharSet; *Str2 != '\0'; Str2 ++) {\r
      if (*Str1 == *Str2) {\r
        break;\r
      }\r
    }\r
\r
    if (*Str2 == '\0') {\r
      return Count;\r
    }\r
\r
    Count ++;\r
  }\r
\r
  return Count;\r
}\r
\r
/**\r
  Searches a string for the first occurrence of a character contained in a\r
  specified buffer.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrBrk (\r
  IN CHAR8                       *String,\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  CHAR8  *Str1;\r
  CHAR8  *Str2;\r
\r
  for (Str1 = String; *Str1 != '\0'; Str1 ++) {\r
    for (Str2 = CharSet; *Str2 != '\0'; Str2 ++) {\r
      if (*Str1 == *Str2) {\r
        return (CHAR8 *) Str1;\r
      }\r
    }\r
  }\r
\r
  return NULL;\r
}\r
\r
/**\r
\r
  Find the next token after one or more specified characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrTokenLine (\r
  IN CHAR8                       *String OPTIONAL,\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  CHAR8  *Begin;\r
  CHAR8  *End;\r
\r
  Begin = (String == NULL) ? mAsciiLineBuffer : String;\r
  if (Begin == NULL) {\r
    return NULL;\r
  }\r
\r
  Begin += AsciiStrSpn (Begin, CharSet);\r
  if (*Begin == '\0') {\r
    mAsciiLineBuffer = NULL;\r
    return NULL;\r
  }\r
\r
  End = AsciiStrBrk (Begin, CharSet);\r
  if ((End != NULL) && (*End != '\0')) {\r
    *End = '\0';\r
    End ++;\r
  }\r
\r
  mAsciiLineBuffer = End;\r
  return Begin;\r
}\r
\r
/**\r
\r
  Find the next token after one specificed characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrTokenField (\r
  IN CHAR8                       *String OPTIONAL,\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  CHAR8  *Begin;\r
  CHAR8  *End;\r
\r
\r
  Begin = (String == NULL) ? mAsciiFieldBuffer : String;\r
  if (Begin == NULL) {\r
    return NULL;\r
  }\r
\r
  if (*Begin == '\0') {\r
    mAsciiFieldBuffer = NULL;\r
    return NULL;\r
  }\r
\r
  End = AsciiStrBrk (Begin, CharSet);\r
  if ((End != NULL) && (*End != '\0')) {\r
    *End = '\0';\r
    End ++;\r
  }\r
\r
  mAsciiFieldBuffer = End;\r
  return Begin;\r
}\r
\r
/**\r
\r
  Find the next token after one or more specified characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrGetNewTokenLine (\r
  IN CHAR8                       *String,\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  return AsciiStrTokenLine (String, CharSet);\r
}\r
\r
/**\r
\r
  Find the next token after one or more specified characters.\r
\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrGetNextTokenLine (\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  return AsciiStrTokenLine (NULL, CharSet);\r
}\r
\r
/**\r
\r
  Find the next token after one specificed characters.\r
\r
  @param  String    Point to the string where to find the substring.\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrGetNewTokenField (\r
  IN CHAR8                       *String,\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  return AsciiStrTokenField (String, CharSet);\r
}\r
\r
/**\r
\r
  Find the next token after one specificed characters.\r
\r
  @param  CharSet   Point to the string to be found.\r
\r
**/\r
CHAR8 *\r
EFIAPI\r
AsciiStrGetNextTokenField (\r
  IN CHAR8                       *CharSet\r
  )\r
{\r
  return AsciiStrTokenField (NULL, CharSet);\r
}\r
\r
/**\r
\r
  Patch a character to the end of a string.\r
\r
  @param  Buffer   The string to be patched.\r
  @param  Patch    The patch character.\r
\r
**/\r
VOID\r
EFIAPI\r
PatchForAsciiStrTokenAfter (\r
  IN CHAR8    *Buffer,\r
  IN CHAR8    Patch\r
  )\r
{\r
  CHAR8 *Str;\r
\r
  if (Buffer == NULL) {\r
    return ;\r
  }\r
\r
  Str = Buffer;\r
  while (*Str != 0) {\r
    Str ++;\r
  }\r
  *Str = Patch;\r
\r
  while (*(Str ++) != '\0') {\r
    if (*Str == 0) {\r
      *Str = Patch;\r
    } else {\r
      break;\r
    }\r
  }\r
\r
  return ;\r
}\r
\r
/**\r
  Patch a character at the beginning of a string.\r
\r
  @param  Buffer   The string to be patched.\r
  @param  Patch    The patch character.\r
\r
**/\r
VOID\r
EFIAPI\r
PatchForAsciiStrTokenBefore (\r
  IN CHAR8    *Buffer,\r
  IN CHAR8    Patch\r
  )\r
{\r
  CHAR8 *Str;\r
\r
  if (Buffer == NULL) {\r
    return ;\r
  }\r
\r
  Str = Buffer;\r
  while (*(Str --) != '\0') {\r
    if ((*Str == 0) || (*Str == Patch)) {\r
      *Str = Patch;\r
    } else {\r
      break;\r
    }\r
  }\r
\r
  return ;\r
}\r