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-rw-r--r--MdePkg/Library/BasePrintLib/PrintLibInternal.c151
1 files changed, 76 insertions, 75 deletions
diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.c b/MdePkg/Library/BasePrintLib/PrintLibInternal.c
index 798d7bd91bf2..067e16372e23 100644
--- a/MdePkg/Library/BasePrintLib/PrintLibInternal.c
+++ b/MdePkg/Library/BasePrintLib/PrintLibInternal.c
@@ -1,14 +1,8 @@
/** @file
Print Library internal worker functions.
- Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -83,7 +77,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 * CONST mStatusString[] = {
@param Buffer The buffer to place the Unicode or ASCII string.
@param EndBuffer The end of the input Buffer. No characters will be
- placed after that.
+ placed after that.
@param Length The count of character to be placed into Buffer.
(Negative value indicates no buffer fill.)
@param Character The character to be placed into Buffer.
@@ -102,7 +96,7 @@ BasePrintLibFillBuffer (
)
{
INTN Index;
-
+
for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
*Buffer = (CHAR8) Character;
if (Increment != 1) {
@@ -128,8 +122,8 @@ BasePrintLibFillBuffer (
**/
CHAR8 *
BasePrintLibValueToString (
- IN OUT CHAR8 *Buffer,
- IN INT64 Value,
+ IN OUT CHAR8 *Buffer,
+ IN INT64 Value,
IN UINTN Radix
)
{
@@ -152,23 +146,23 @@ BasePrintLibValueToString (
/**
Internal function that converts a decimal value to a Null-terminated string.
-
- Converts the decimal number specified by Value to a Null-terminated
+
+ Converts the decimal number specified by Value to a Null-terminated
string specified by Buffer containing at most Width characters.
If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed.
The total number of characters placed in Buffer is returned.
If the conversion contains more than Width characters, then only the first
- Width characters are returned, and the total number of characters
+ Width characters are returned, and the total number of characters
required to perform the conversion is returned.
- Additional conversion parameters are specified in Flags.
+ Additional conversion parameters are specified in Flags.
The Flags bit LEFT_JUSTIFY is always ignored.
All conversions are left justified in Buffer.
If Width is 0, PREFIX_ZERO is ignored in Flags.
If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas
are inserted every 3rd digit starting from the right.
If Value is < 0, then the fist character in Buffer is a '-'.
- If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
- then Buffer is padded with '0' characters so the combination of the optional '-'
+ If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored,
+ then Buffer is padded with '0' characters so the combination of the optional '-'
sign character, '0' characters, digit characters for Value, and the Null-terminator
add up to Width characters.
@@ -184,7 +178,7 @@ BasePrintLibValueToString (
@param Width The maximum number of characters to place in Buffer, not including
the Null-terminator.
@param Increment The character increment in Buffer.
-
+
@return Total number of characters required to perform the conversion.
**/
@@ -222,7 +216,7 @@ BasePrintLibConvertValueToString (
ASSERT (((Flags & COMMA_TYPE) == 0) || ((Flags & RADIX_HEX) == 0));
OriginalBuffer = Buffer;
-
+
//
// Width is 0 or COMMA_TYPE is set, PREFIX_ZERO is ignored.
//
@@ -239,7 +233,7 @@ BasePrintLibConvertValueToString (
// Set the tag for the end of the input Buffer.
//
EndBuffer = Buffer + Width * Increment;
-
+
//
// Convert decimal negative
//
@@ -248,21 +242,21 @@ BasePrintLibConvertValueToString (
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, 1, '-', Increment);
Width--;
}
-
+
//
// Count the length of the value string.
//
Radix = ((Flags & RADIX_HEX) == 0)? 10 : 16;
ValueBufferPtr = BasePrintLibValueToString (ValueBuffer, Value, Radix);
Count = ValueBufferPtr - ValueBuffer;
-
+
//
// Append Zero
//
if ((Flags & PREFIX_ZERO) != 0) {
Buffer = BasePrintLibFillBuffer (Buffer, EndBuffer, Width - Count, '0', Increment);
}
-
+
//
// Print Comma type for every 3 characters
//
@@ -282,7 +276,7 @@ BasePrintLibConvertValueToString (
}
}
}
-
+
//
// Print Null-terminator
//
@@ -496,21 +490,21 @@ BasePrintLibConvertValueToStringS (
}
/**
- Worker function that produces a Null-terminated string in an output buffer
+ Worker function that produces a Null-terminated string in an output buffer
based on a Null-terminated format string and a VA_LIST argument list.
- VSPrint function to process format and place the results in Buffer. Since a
- VA_LIST is used this routine allows the nesting of Vararg routines. Thus
+ VSPrint function to process format and place the results in Buffer. Since a
+ VA_LIST is used this routine allows the nesting of Vararg routines. Thus
this is the main print working routine.
If COUNT_ONLY_NO_PRINT is set in Flags, Buffer will not be modified at all.
- @param[out] Buffer The character buffer to print the results of the
+ @param[out] Buffer The character buffer to print the results of the
parsing of Format into.
- @param[in] BufferSize The maximum number of characters to put into
+ @param[in] BufferSize The maximum number of characters to put into
buffer.
@param[in] Flags Initial flags value.
- Can only have FORMAT_UNICODE, OUTPUT_UNICODE,
+ Can only have FORMAT_UNICODE, OUTPUT_UNICODE,
and COUNT_ONLY_NO_PRINT set.
@param[in] Format A Null-terminated format string.
@param[in] VaListMarker VA_LIST style variable argument list consumed by
@@ -566,7 +560,7 @@ BasePrintLibSPrintMarker (
//
// If you change this code be sure to match the 2 versions of this function.
- // Nearly identical logic is found in the BasePrintLib and
+ // Nearly identical logic is found in the BasePrintLib and
// DxePrintLibPrint2Protocol (both PrintLib instances).
//
@@ -653,7 +647,7 @@ BasePrintLibSPrintMarker (
//
// Get the first character from the format string
//
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
//
// Loop until the end of the format string is reached or the output buffer is full
@@ -685,26 +679,26 @@ BasePrintLibSPrintMarker (
//
for (Done = FALSE; !Done; ) {
Format += BytesPerFormatCharacter;
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
switch (FormatCharacter) {
- case '.':
- Flags |= PRECISION;
+ case '.':
+ Flags |= PRECISION;
break;
- case '-':
- Flags |= LEFT_JUSTIFY;
+ case '-':
+ Flags |= LEFT_JUSTIFY;
break;
- case '+':
- Flags |= PREFIX_SIGN;
+ case '+':
+ Flags |= PREFIX_SIGN;
break;
- case ' ':
- Flags |= PREFIX_BLANK;
+ case ' ':
+ Flags |= PREFIX_BLANK;
break;
- case ',':
- Flags |= COMMA_TYPE;
+ case ',':
+ Flags |= COMMA_TYPE;
break;
case 'L':
- case 'l':
- Flags |= LONG_TYPE;
+ case 'l':
+ Flags |= LONG_TYPE;
break;
case '*':
if ((Flags & PRECISION) == 0) {
@@ -738,7 +732,7 @@ BasePrintLibSPrintMarker (
for (Count = 0; ((FormatCharacter >= '0') && (FormatCharacter <= '9')); ){
Count = (Count * 10) + FormatCharacter - '0';
Format += BytesPerFormatCharacter;
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
}
Format -= BytesPerFormatCharacter;
if ((Flags & PRECISION) == 0) {
@@ -748,11 +742,11 @@ BasePrintLibSPrintMarker (
Precision = Count;
}
break;
-
+
case '\0':
//
// Make no output if Format string terminates unexpectedly when
- // looking up for flag, width, precision and type.
+ // looking up for flag, width, precision and type.
//
Format -= BytesPerFormatCharacter;
Precision = 0;
@@ -763,7 +757,7 @@ BasePrintLibSPrintMarker (
Done = TRUE;
break;
}
- }
+ }
//
// Handle each argument type
@@ -803,9 +797,9 @@ BasePrintLibSPrintMarker (
//
// 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
// This assumption is made so the format string definition is compatible with the ANSI C
- // Specification for formatted strings. It is recommended that the Base Types be used
- // everywhere, but in this one case, compliance with ANSI C is more important, and
- // provides an implementation that is compatible with that largest possible set of CPU
+ // Specification for formatted strings. It is recommended that the Base Types be used
+ // everywhere, but in this one case, compliance with ANSI C is more important, and
+ // provides an implementation that is compatible with that largest possible set of CPU
// architectures. This is why the type "int" is used in this one case.
//
if (BaseListMarker == NULL) {
@@ -843,9 +837,9 @@ BasePrintLibSPrintMarker (
//
// 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
// This assumption is made so the format string definition is compatible with the ANSI C
- // Specification for formatted strings. It is recommended that the Base Types be used
- // everywhere, but in this one case, compliance with ANSI C is more important, and
- // provides an implementation that is compatible with that largest possible set of CPU
+ // Specification for formatted strings. It is recommended that the Base Types be used
+ // everywhere, but in this one case, compliance with ANSI C is more important, and
+ // provides an implementation that is compatible with that largest possible set of CPU
// architectures. This is why the type "unsigned int" is used in this one case.
//
Value = (unsigned int)Value;
@@ -857,9 +851,9 @@ BasePrintLibSPrintMarker (
//
// 'd', 'u', 'x', and 'X' that are not preceded by 'l' or 'L' are assumed to be type "int".
// This assumption is made so the format string definition is compatible with the ANSI C
- // Specification for formatted strings. It is recommended that the Base Types be used
- // everywhere, but in this one case, compliance with ANSI C is more important, and
- // provides an implementation that is compatible with that largest possible set of CPU
+ // Specification for formatted strings. It is recommended that the Base Types be used
+ // everywhere, but in this one case, compliance with ANSI C is more important, and
+ // provides an implementation that is compatible with that largest possible set of CPU
// architectures. This is why the type "unsigned int" is used in this one case.
//
Value = (unsigned int)Value;
@@ -873,7 +867,7 @@ BasePrintLibSPrintMarker (
Count = 0;
}
ArgumentString = (CHAR8 *)ValueBuffer + Count;
-
+
Digits = Count % 3;
if (Digits != 0) {
Digits = 3 - Digits;
@@ -946,7 +940,7 @@ BasePrintLibSPrintMarker (
GuidData3 = ReadUnaligned16 (&(TmpGuid->Data3));
BasePrintLibSPrint (
ValueBuffer,
- MAXIMUM_VALUE_CHARACTERS,
+ MAXIMUM_VALUE_CHARACTERS,
0,
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
GuidData1,
@@ -967,9 +961,9 @@ BasePrintLibSPrintMarker (
case 't':
if (BaseListMarker == NULL) {
- TmpTime = VA_ARG (VaListMarker, TIME *);
+ TmpTime = VA_ARG (VaListMarker, TIME *);
} else {
- TmpTime = BASE_ARG (BaseListMarker, TIME *);
+ TmpTime = BASE_ARG (BaseListMarker, TIME *);
}
if (TmpTime == NULL) {
ArgumentString = "<null time>";
@@ -1017,7 +1011,7 @@ BasePrintLibSPrintMarker (
case '\r':
Format += BytesPerFormatCharacter;
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
if (FormatCharacter == '\n') {
//
// Translate '\r\n' to '\r\n'
@@ -1038,7 +1032,7 @@ BasePrintLibSPrintMarker (
//
ArgumentString = "\r\n";
Format += BytesPerFormatCharacter;
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
if (FormatCharacter != '\r') {
Format -= BytesPerFormatCharacter;
}
@@ -1054,10 +1048,10 @@ BasePrintLibSPrintMarker (
break;
}
break;
-
+
case '\r':
Format += BytesPerFormatCharacter;
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
if (FormatCharacter == '\n') {
//
// Translate '\r\n' to '\r\n'
@@ -1078,7 +1072,7 @@ BasePrintLibSPrintMarker (
//
ArgumentString = "\r\n";
Format += BytesPerFormatCharacter;
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
if (FormatCharacter != '\r') {
Format -= BytesPerFormatCharacter;
}
@@ -1107,7 +1101,12 @@ BasePrintLibSPrintMarker (
// Compute the number of characters in ArgumentString and store it in Count
// ArgumentString is either null-terminated, or it contains Precision characters
//
- for (Count = 0; Count < Precision || ((Flags & PRECISION) == 0); Count++) {
+ for (Count = 0;
+ (ArgumentString[Count * BytesPerArgumentCharacter] != '\0' ||
+ (BytesPerArgumentCharacter > 1 &&
+ ArgumentString[Count * BytesPerArgumentCharacter + 1]!= '\0')) &&
+ (Count < Precision || ((Flags & PRECISION) == 0));
+ Count++) {
ArgumentCharacter = ((ArgumentString[Count * BytesPerArgumentCharacter] & 0xff) | ((ArgumentString[Count * BytesPerArgumentCharacter + 1]) << 8)) & ArgumentMask;
if (ArgumentCharacter == 0) {
break;
@@ -1164,8 +1163,10 @@ BasePrintLibSPrintMarker (
//
// Copy the string into the output buffer performing the required type conversions
//
- while (Index < Count) {
- ArgumentCharacter = ((*ArgumentString & 0xff) | (*(ArgumentString + 1) << 8)) & ArgumentMask;
+ while (Index < Count &&
+ (ArgumentString[0] != '\0' ||
+ (BytesPerArgumentCharacter > 1 && ArgumentString[1] != '\0'))) {
+ ArgumentCharacter = ((*ArgumentString & 0xff) | (((UINT8)*(ArgumentString + 1)) << 8)) & ArgumentMask;
LengthToReturn += (1 * BytesPerOutputCharacter);
if ((Flags & COUNT_ONLY_NO_PRINT) == 0 && Buffer != NULL) {
@@ -1206,7 +1207,7 @@ BasePrintLibSPrintMarker (
//
// Get the next character from the format string
//
- FormatCharacter = ((*Format & 0xff) | (*(Format + 1) << 8)) & FormatMask;
+ FormatCharacter = ((*Format & 0xff) | ((BytesPerFormatCharacter == 1) ? 0 : (*(Format + 1) << 8))) & FormatMask;
}
if ((Flags & COUNT_ONLY_NO_PRINT) != 0) {
@@ -1223,11 +1224,11 @@ BasePrintLibSPrintMarker (
}
/**
- Worker function that produces a Null-terminated string in an output buffer
+ Worker function that produces a Null-terminated string in an output buffer
based on a Null-terminated format string and variable argument list.
- VSPrint function to process format and place the results in Buffer. Since a
- VA_LIST is used this routine allows the nesting of Vararg routines. Thus
+ VSPrint function to process format and place the results in Buffer. Since a
+ VA_LIST is used this routine allows the nesting of Vararg routines. Thus
this is the main print working routine
@param StartOfBuffer The character buffer to print the results of the parsing
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-22 22:28:12 +0000