X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FLibrary%2FBasePrintLib%2FPrintLibInternal.c;h=89d18b09a2c5ffeadcbf622403ea06f8979ccfd9;hp=56d357525c147caca99dce7962d95ea4d0dc53f2;hb=3f9f540dacca2249904d204836496334826de58f;hpb=86d9a2e25ed70533e24fc7ad274ccdf6498db864 diff --git a/MdePkg/Library/BasePrintLib/PrintLibInternal.c b/MdePkg/Library/BasePrintLib/PrintLibInternal.c index 56d357525c..89d18b09a2 100644 --- a/MdePkg/Library/BasePrintLib/PrintLibInternal.c +++ b/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. - - @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 Precision Minimum number of digits to return in the ASCII string + 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. @@ -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,