add function header

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@350 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/Library/PrintLib.h

@@ -24,6 +24,34 @@
 #define COMMA_TYPE        0x08
 #define PREFIX_ZERO       0x20
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on 
+  a Null-terminated Unicode format string and a VA_LIST argument list
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.  
+  The Unicode string is produced by parsing the format string specified by FormatString.  
+  Arguments are pulled from the variable argument list specified by Marker based on the 
+  contents of the format string.  
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeVSPrint (
@@ -33,6 +61,32 @@ UnicodeVSPrint (
   IN  VA_LIST       Marker
   );
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated 
+  Unicode format string and variable argument list.
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The Unicode string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the format string.
+  The length of the produced output buffer is returned.  
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeSPrint (
@@ -42,6 +96,34 @@ UnicodeSPrint (
   ...
   );
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
+  ASCII format string and a VA_LIST argument list
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The Unicode string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list specified by Marker based on the 
+  contents of the format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeVSPrintAsciiFormat (
@@ -51,7 +133,33 @@ UnicodeVSPrintAsciiFormat (
   IN  VA_LIST      Marker
   );
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated 
+  ASCII format string and  variable argument list.
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The Unicode string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the 
+  format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
 
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeSPrintAsciiFormat (
@@ -61,6 +169,34 @@ UnicodeSPrintAsciiFormat (
   ...
   );
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and a VA_LIST argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list specified by Marker based on 
+  the contents of the format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiVSPrint (
@@ -70,6 +206,33 @@ AsciiVSPrint (
   IN  VA_LIST       Marker
   );
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and  variable argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the 
+  format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiSPrint (
@@ -79,6 +242,34 @@ AsciiSPrint (
   ...
   );
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and a VA_LIST argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list specified by Marker based on 
+  the contents of the format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiVSPrintUnicodeFormat (
@@ -88,6 +279,33 @@ AsciiVSPrintUnicodeFormat (
   IN  VA_LIST       Marker
   );
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and  variable argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the 
+  format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiSPrintUnicodeFormat (
@@ -97,6 +315,41 @@ AsciiSPrintUnicodeFormat (
   ...
   );
 
+/**
+  Converts a decimal value to a Null-terminated Unicode string.
+  
+  Converts the decimal number specified by Value to a Null-terminated Unicode 
+  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 
+  required to perform the conversion is returned.
+  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 '-' 
+  sign character, '0' characters, digit characters for Value, and the Null-terminator
+  add up to Width characters.
+
+  If Buffer is NULL, then ASSERT().
+  If unsupported bits are set in Flags, then ASSERT().
+  If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+  @param  Buffer  Pointer to the output buffer for the produced Null-terminated
+                  Unicode string.
+  @param  Flags   The bitmask of flags that specify left justification, zero pad, and commas.
+  @param  Value   The 64-bit signed value to convert to a string.
+  @param  Width	  The maximum number of Unicode characters to place in Buffer.
+  
+  @return Total number of characters required to perform the conversion.
+
+**/
 UINTN
 EFIAPI
 UnicodeValueToString (
@@ -106,6 +359,41 @@ UnicodeValueToString (
   IN UINTN       Width
   );
 
+/**
+  Converts a decimal value to a Null-terminated ASCII string.
+  
+  Converts the decimal number specified by Value to a Null-terminated ASCII 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 required to perform
+  the conversion is returned.
+  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 '-'
+  sign character, '0' characters, digit characters for Value, and the 
+  Null-terminator add up to Width characters.
+
+  If Buffer is NULL, then ASSERT().
+  If unsupported bits are set in Flags, then ASSERT().
+  If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+  @param  Buffer  Pointer to the output buffer for the produced Null-terminated
+                  ASCII string.
+  @param  Flags   The bitmask of flags that specify left justification, zero pad, and commas.
+  @param  Value   The 64-bit signed value to convert to a string.
+  @param  Width	  The maximum number of ASCII characters to place in Buffer.
+  
+  @return Total number of characters required to perform the conversion.
+
+**/
 UINTN
 EFIAPI
 AsciiValueToString (

MdePkg/Library/BasePrintLib/PrintLib.c

@@ -56,20 +56,21 @@ static CONST STATUS_LOOKUP_TABLE_ENTRY  StatusString[] = {
 
 
 /**
+  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 rountine allows the nesting of Vararg routines. Thus 
   this is the main print working routine
 
-  @param  StartOfBuffer Unicode buffer to print the results of the parsing of Format into.
+  @param  Buffer      Character buffer to print the results of the parsing
-  
+                      of Format into.
-  @param  BufferSize Maximum number of characters to put into buffer. Zero means
+  @param  BufferSize  Maximum number of characters to put into buffer.
-  no limit.
+                      Zero means no limit.
-  
+  @param  Flags       Intial flags value.
-  @param  Flags Intial flags value.  Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
+                      Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
-  
+  @param  Format      Null-terminated format string.
-  @param  FormatString Unicode format string see file header for more details.
+  @param  Marker      Vararg list consumed by processing Format.
-  
-  @param  Marker Vararg list consumed by processing Format.
 
   @return Number of characters printed.
 
@@ -515,6 +516,25 @@ BasePrintLibVSPrint (
   return ((Buffer - OriginalBuffer) / BytesPerOutputCharacter);
 }
 
+/**
+  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 rountine allows the nesting of Vararg routines. Thus 
+  this is the main print working routine
+
+  @param  Buffer        Character buffer to print the results of the parsing
+                        of Format into.
+  @param  BufferSize    Maximum number of characters to put into buffer.
+                        Zero means no limit.
+  @param  Flags         Intial flags value.
+                        Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
+  @param  FormatString  Null-terminated format string.
+
+  @return Number of characters printed.
+
+**/
 UINTN
 BasePrintLibSPrint (
   OUT CHAR8        *StartOfBuffer,
@@ -530,6 +550,34 @@ BasePrintLibSPrint (
   return BasePrintLibVSPrint (StartOfBuffer, BufferSize, Flags, FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on 
+  a Null-terminated Unicode format string and a VA_LIST argument list
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.  
+  The Unicode string is produced by parsing the format string specified by FormatString.  
+  Arguments are pulled from the variable argument list specified by Marker based on the 
+  contents of the format string.  
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeVSPrint (
@@ -542,6 +590,32 @@ UnicodeVSPrint (
   return BasePrintLibVSPrint ((CHAR8 *)StartOfBuffer, BufferSize >> 1, FORMAT_UNICODE | OUTPUT_UNICODE, (CHAR8 *)FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated 
+  Unicode format string and variable argument list.
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The Unicode string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the format string.
+  The length of the produced output buffer is returned.  
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeSPrint (
@@ -557,6 +631,34 @@ UnicodeSPrint (
   return UnicodeVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated
+  ASCII format string and a VA_LIST argument list
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The Unicode string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list specified by Marker based on the 
+  contents of the format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeVSPrintAsciiFormat (
@@ -569,6 +671,33 @@ UnicodeVSPrintAsciiFormat (
   return BasePrintLibVSPrint ((CHAR8 *)StartOfBuffer, BufferSize >> 1, OUTPUT_UNICODE,FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated 
+  ASCII format string and  variable argument list.
+  
+  Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The Unicode string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the 
+  format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength Unicode characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          Unicode string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 UnicodeSPrintAsciiFormat (
@@ -584,6 +713,34 @@ UnicodeSPrintAsciiFormat (
   return UnicodeVSPrintAsciiFormat (StartOfBuffer, BufferSize >> 1, FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and a VA_LIST argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list specified by Marker based on 
+  the contents of the format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiVSPrint (
@@ -596,6 +753,33 @@ AsciiVSPrint (
   return BasePrintLibVSPrint (StartOfBuffer, BufferSize, 0, FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and  variable argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the 
+  format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiSPrint (
@@ -611,6 +795,34 @@ AsciiSPrint (
   return AsciiVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and a VA_LIST argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list specified by Marker based on 
+  the contents of the format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  @param  Marker          VA_LIST marker for the variable argument list.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiVSPrintUnicodeFormat (
@@ -623,6 +835,33 @@ AsciiVSPrintUnicodeFormat (
   return BasePrintLibVSPrint (StartOfBuffer, BufferSize, FORMAT_UNICODE, (CHAR8 *)FormatString, Marker);
 }
 
+/**
+  Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated
+  ASCII format string and  variable argument list.
+  
+  Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer
+  and BufferSize.
+  The ASCII string is produced by parsing the format string specified by FormatString.
+  Arguments are pulled from the variable argument list based on the contents of the 
+  format string.
+  The length of the produced output buffer is returned.
+  If BufferSize is 0, then no output buffer is produced and 0 is returned.
+
+  If BufferSize is not 0 and StartOfBuffer is NULL, then ASSERT().
+  If BufferSize is not 0 and FormatString is NULL, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than 
+  PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+  If PcdMaximumUnicodeStringLength is not zero, and produced Null-terminated Unicode string
+  contains more than PcdMaximumUnicodeStringLength ASCII characters, then ASSERT().
+
+  @param  StartOfBuffer   APointer to the output buffer for the produced Null-terminated 
+                          ASCII string.
+  @param  BufferSize      The size, in bytes, of the output buffer specified by StartOfBuffer.
+  @param  FormatString    Null-terminated Unicode format string.
+  
+  @return Length of the produced output buffer.
+
+**/
 UINTN
 EFIAPI
 AsciiSPrintUnicodeFormat (
@@ -638,6 +877,41 @@ AsciiSPrintUnicodeFormat (
   return AsciiVSPrintUnicodeFormat (StartOfBuffer, BufferSize, FormatString, Marker);
 }
 
+/**
+  Converts a decimal value to a Null-terminated Unicode string.
+  
+  Converts the decimal number specified by Value to a Null-terminated Unicode 
+  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 
+  required to perform the conversion is returned.
+  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 '-' 
+  sign character, '0' characters, digit characters for Value, and the Null-terminator
+  add up to Width characters.
+
+  If Buffer is NULL, then ASSERT().
+  If unsupported bits are set in Flags, then ASSERT().
+  If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+  @param  Buffer  Pointer to the output buffer for the produced Null-terminated
+                  Unicode string.
+  @param  Flags   The bitmask of flags that specify left justification, zero pad, and commas.
+  @param  Value   The 64-bit signed value to convert to a string.
+  @param  Width	  The maximum number of Unicode characters to place in Buffer.
+  
+  @return Total number of characters required to perform the conversion.
+
+**/
 UINTN
 EFIAPI
 UnicodeValueToString (
@@ -650,6 +924,41 @@ UnicodeValueToString (
   return BasePrintLibConvertValueToString ((CHAR8 *)Buffer, Flags, Value, Width, 2);
 }
 
+/**
+  Converts a decimal value to a Null-terminated ASCII string.
+  
+  Converts the decimal number specified by Value to a Null-terminated ASCII 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 required to perform
+  the conversion is returned.
+  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 '-'
+  sign character, '0' characters, digit characters for Value, and the 
+  Null-terminator add up to Width characters.
+
+  If Buffer is NULL, then ASSERT().
+  If unsupported bits are set in Flags, then ASSERT().
+  If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+  @param  Buffer  Pointer to the output buffer for the produced Null-terminated
+                  ASCII string.
+  @param  Flags   The bitmask of flags that specify left justification, zero pad, and commas.
+  @param  Value   The 64-bit signed value to convert to a string.
+  @param  Width	  The maximum number of ASCII characters to place in Buffer.
+  
+  @return Total number of characters required to perform the conversion.
+
+**/
 UINTN
 EFIAPI
 AsciiValueToString (

MdePkg/Library/BasePrintLib/PrintLibInternal.c

@@ -18,6 +18,20 @@
 
 static CONST CHAR8 mHexStr[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
 
+
+/**
+  Internal function that places the character into the Buffer.
+
+  Internal function that places ASCII or Unicode character into the Buffer.
+
+  @param  Buffer      Buffer to place the Unicode or ASCII string.
+  @param  Length      Count of character to be placed into Buffer.
+  @param  Character   Character to be placed into Buffer.
+  @param  Increment   Character increment in Buffer.
+
+  @return Number of characters printed.
+
+**/
 CHAR8 *
 BasePrintLibFillBuffer (
   CHAR8   *Buffer,
@@ -37,15 +51,13 @@ BasePrintLibFillBuffer (
 }
 
 /**
-  Print worker function that prints a Value as a decimal number in Buffer.
+  Internal function that convert a decimal number to a string in Buffer.
 
-  @param  Buffer Location to place the Unicode or ASCII string of Value.
+  Print worker function that convert a decimal number to a string in Buffer.
-  
+
-  @param  Value Value to convert to a Decimal or Hexidecimal string in Buffer.
+  @param  Buffer    Location to place the Unicode or ASCII string of Value.
-  
+  @param  Value     Value to convert to a Decimal or Hexidecimal string in Buffer.
-  @param  Flags Flags to use in printing string, see file header for details.
+  @param  Radix     Radix of the value
-  
-  @param  Precision Minimum number of digits to return in the ASCII string
 
   @return Number of characters printed.
 
@@ -74,6 +86,43 @@ BasePrintLibValueToString (
   return Digits;
 }
 
+/**
+  Internal function that converts a decimal value to a Null-terminated string.
+  
+  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 
+  required to perform the conversion is returned.
+  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 '-' 
+  sign character, '0' characters, digit characters for Value, and the Null-terminator
+  add up to Width characters.
+
+  If Buffer is NULL, then ASSERT().
+  If unsupported bits are set in Flags, then ASSERT().
+  If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+  @param  Buffer    Pointer to the output buffer for the produced Null-terminated
+                    string.
+  @param  Flags     The bitmask of flags that specify left justification, zero pad,
+                    and commas.
+  @param  Value     The 64-bit signed value to convert to a string.
+  @param  Width	    The maximum number of characters to place in Buffer.
+  @param  Increment Character increment in Buffer.
+  
+  @return Total number of characters required to perform the conversion.
+
+**/
 UINTN
 BasePrintLibConvertValueToString (
   IN OUT CHAR8   *Buffer,

MdePkg/Library/BasePrintLib/PrintLibInternal.h

@@ -14,8 +14,6 @@
 
 **/
 
-
-
 //
 // Print primitives
 //
@@ -44,7 +42,7 @@
 #define MAXIMUM_VALUE_CHARACTERS  38
 
 //
-//
+// Record date and time information
 //
 typedef struct {
   UINT16  Year;
@@ -60,6 +58,25 @@ typedef struct {
   UINT8   Pad2;
 } TIME;
 
+/**
+  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 rountine allows the nesting of Vararg routines. Thus 
+  this is the main print working routine
+
+  @param  Buffer        Character buffer to print the results of the parsing
+                        of Format into.
+  @param  BufferSize    Maximum number of characters to put into buffer.
+                        Zero means no limit.
+  @param  Flags         Intial flags value.
+                        Can only have FORMAT_UNICODE and OUTPUT_UNICODE set
+  @param  FormatString  Null-terminated format string.
+
+  @return Number of characters printed.
+
+**/
 UINTN
 BasePrintLibSPrint (
   OUT CHAR8        *Buffer,
@@ -69,6 +86,19 @@ BasePrintLibSPrint (
   ...
   );
 
+/**
+  Internal function that places the character into the Buffer.
+
+  Internal function that places ASCII or Unicode character into the Buffer.
+
+  @param  Buffer      Buffer to place the Unicode or ASCII string.
+  @param  Length      Count of character to be placed into Buffer.
+  @param  Character   Character to be placed into Buffer.
+  @param  Increment   Character increment in Buffer.
+
+  @return Number of characters printed.
+
+**/
 CHAR8 *
 BasePrintLibFillBuffer (
   CHAR8   *Buffer,
@@ -77,6 +107,18 @@ BasePrintLibFillBuffer (
   INTN    Increment
   );
 
+/**
+  Internal function that convert a decimal number to a string in Buffer.
+
+  Print worker function that convert a decimal number to a string in Buffer.
+
+  @param  Buffer    Location to place the Unicode or ASCII string of Value.
+  @param  Value     Value to convert to a Decimal or Hexidecimal string in Buffer.
+  @param  Radix     Radix of the value
+
+  @return Number of characters printed.
+
+**/
 UINTN
 EFIAPI
 BasePrintLibValueToString (
@@ -85,6 +127,43 @@ BasePrintLibValueToString (
   IN UINTN      Radix
   );
 
+/**
+  Internal function that converts a decimal value to a Null-terminated string.
+  
+  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 
+  required to perform the conversion is returned.
+  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 '-' 
+  sign character, '0' characters, digit characters for Value, and the Null-terminator
+  add up to Width characters.
+
+  If Buffer is NULL, then ASSERT().
+  If unsupported bits are set in Flags, then ASSERT().
+  If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT()
+
+  @param  Buffer    Pointer to the output buffer for the produced Null-terminated
+                    string.
+  @param  Flags     The bitmask of flags that specify left justification, zero pad,
+                    and commas.
+  @param  Value     The 64-bit signed value to convert to a string.
+  @param  Width	    The maximum number of characters to place in Buffer.
+  @param  Increment Character increment in Buffer.
+  
+  @return Total number of characters required to perform the conversion.
+
+**/
 UINTN
 BasePrintLibConvertValueToString (
   IN OUT CHAR8   *Buffer,