739a506b18
Add more functions which were missed in the first time commit, that causes the build error with EDK2 Redfish feature driver. strerror - We don't support this on edk2 environment. strpbrk - Cloned this function from edk2-LibC File operation functions - Not supported on edk2 environment. Signed-off-by: Abner Chang <abner.chang@hpe.com> Cc: Nickle Wang <nickle.wang@hpe.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Nickle Wang <nickle.wang@hpe.com> Acked-by: Leif Lindholm <leif@nuviainc.com>
930 lines
27 KiB
C
930 lines
27 KiB
C
/** @file
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CRT wrapper functions for system call,the string operation functions
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are remodeled after edk2-libc.
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Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
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(C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/RedfishCrtLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/SortLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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int errno = 0;
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char errnum_message [] = "We don't support to map errnum to the error message on edk2 Redfish\n";
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// This is required to keep VC++ happy if you use floating-point
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int _fltused = 1;
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/**
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Determine if a particular character is an alphanumeric character
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@return Returns 1 if c is an alphanumeric character, otherwise returns 0.
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**/
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int isalnum (int c)
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{
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//
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// <alnum> ::= [0-9] | [a-z] | [A-Z]
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//
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return ((('0' <= (c)) && ((c) <= '9')) ||
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(('a' <= (c)) && ((c) <= 'z')) ||
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(('A' <= (c)) && ((c) <= 'Z')));
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}
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/**
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Determine if a particular character is a digital character
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@return Returns 1 if c is an digital character, otherwise returns 0.
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**/
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int isdchar (int c)
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{
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//
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// [0-9] | [e +-.]
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//
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return ((('0' <= (c)) && ((c) <= '9')) ||
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(c == 'e') || (c == 'E') ||
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(c == '+') || (c == '-') ||
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(c == '.'));
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}
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/**
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Determine if a particular character is a space character
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@return Returns 1 if c is a space character
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**/
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int isspace (int c)
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{
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//
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// <space> ::= [ ]
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//
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return ((c) == ' ') || ((c) == '\t') || ((c) == '\r') || ((c) == '\n') || ((c) == '\v') || ((c) == '\f');
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}
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/**
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Allocates memory blocks
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*/
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void *malloc (size_t size)
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{
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return AllocatePool ((UINTN) size);
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}
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/**
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De-allocates or frees a memory block
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*/
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void free (void *ptr)
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{
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//
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// In Standard C, free() handles a null pointer argument transparently. This
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// is not true of FreePool() below, so protect it.
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//
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if (ptr != NULL) {
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FreePool (ptr);
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}
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}
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/**
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NetBSD Compatibility Function strdup creates a duplicate copy of a string.
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@return Returns the pointer to duplicated string.
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**/
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char * strdup(const char *str)
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{
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size_t len;
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char *copy;
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len = strlen(str) + 1;
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if ((copy = malloc(len)) == NULL)
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return (NULL);
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memcpy(copy, str, len);
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return (copy);
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}
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/** The toupper function converts a lowercase letter to a corresponding
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uppercase letter.
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@param[in] c The character to be converted.
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@return If the argument is a character for which islower is true and
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there are one or more corresponding characters, as specified by
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the current locale, for which isupper is true, the toupper
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function returns one of the corresponding characters (always the
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same one for any given locale); otherwise, the argument is
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returned unchanged.
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**/
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int
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toupper(
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IN int c
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)
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{
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if ( (c >= 'a') && (c <= 'z') ) {
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c = c - ('a' - 'A');
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}
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return c;
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}
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/**
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Digit to a value.
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@return Returns the value of digit.
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**/
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int
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Digit2Val( int c)
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{
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if (((c >= 'a') && (c <= 'z')) || ((c >= 'A') && (c <= 'Z'))) { /* If c is one of [A-Za-z]... */
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c = toupper(c) - 7; // Adjust so 'A' is ('9' + 1)
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}
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return c - '0'; // Value returned is between 0 and 35, inclusive.
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}
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/** The strtoll function converts the initial portion of the string pointed to
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by nptr to long long int representation.
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See the description for strtol for more information.
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@return The strtoll function returns the converted value, if any. If no
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conversion could be performed, zero is returned. If the correct
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value is outside the range of representable values, LLONG_MIN or
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LLONG_MAX is returned (according to the sign of the value, if any),
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and the value of the macro ERANGE is stored in errno.
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**/
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long long
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strtoll(const char * nptr, char ** endptr, int base)
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{
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const char *pEnd;
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long long Result = 0;
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long long Previous;
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int temp;
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BOOLEAN Negative = FALSE;
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pEnd = nptr;
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if((base < 0) || (base == 1) || (base > 36)) {
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if(endptr != NULL) {
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*endptr = NULL;
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}
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return 0;
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}
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// Skip leading spaces.
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while(isspace(*nptr)) ++nptr;
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// Process Subject sequence: optional sign followed by digits.
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if(*nptr == '+') {
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Negative = FALSE;
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++nptr;
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}
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else if(*nptr == '-') {
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Negative = TRUE;
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++nptr;
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}
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if(*nptr == '0') { /* Might be Octal or Hex */
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if(toupper(nptr[1]) == 'X') { /* Looks like Hex */
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if((base == 0) || (base == 16)) {
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nptr += 2; /* Skip the "0X" */
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base = 16; /* In case base was 0 */
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}
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}
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else { /* Looks like Octal */
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if((base == 0) || (base == 8)) {
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++nptr; /* Skip the leading "0" */
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base = 8; /* In case base was 0 */
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}
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}
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}
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if(base == 0) { /* If still zero then must be decimal */
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base = 10;
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}
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if(*nptr == '0') {
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for( ; *nptr == '0'; ++nptr); /* Skip any remaining leading zeros */
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pEnd = nptr;
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}
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while( isalnum(*nptr) && ((temp = Digit2Val(*nptr)) < base)) {
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Previous = Result;
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Result = MultS64x64 (Result, base) + (long long int)temp;
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if( Result <= Previous) { // Detect Overflow
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if(Negative) {
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Result = LLONG_MIN;
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}
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else {
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Result = LLONG_MAX;
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}
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Negative = FALSE;
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errno = ERANGE;
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break;
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}
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pEnd = ++nptr;
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}
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if(Negative) {
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Result = -Result;
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}
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// Save pointer to final sequence
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if(endptr != NULL) {
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*endptr = (char *)pEnd;
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}
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return Result;
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}
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/** The strtol, strtoll, strtoul, and strtoull functions convert the initial
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portion of the string pointed to by nptr to long int, long long int,
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unsigned long int, and unsigned long long int representation, respectively.
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First, they decompose the input string into three parts: an initial,
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possibly empty, sequence of white-space characters (as specified by the
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isspace function), a subject sequence resembling an integer represented in
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some radix determined by the value of base, and a final string of one or
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more unrecognized characters, including the terminating null character of
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the input string. Then, they attempt to convert the subject sequence to an
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integer, and return the result.
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If the value of base is zero, the expected form of the subject sequence is
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that of an integer constant, optionally preceded
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by a plus or minus sign, but not including an integer suffix. If the value
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of base is between 2 and 36 (inclusive), the expected form of the subject
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sequence is a sequence of letters and digits representing an integer with
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the radix specified by base, optionally preceded by a plus or minus sign,
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but not including an integer suffix. The letters from a (or A) through z
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(or Z) are ascribed the values 10 through 35; only letters and digits whose
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ascribed values are less than that of base are permitted. If the value of
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base is 16, the characters 0x or 0X may optionally precede the sequence of
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letters and digits, following the sign if present.
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The subject sequence is defined as the longest initial subsequence of the
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input string, starting with the first non-white-space character, that is of
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the expected form. The subject sequence contains no characters if the input
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string is empty or consists entirely of white space, or if the first
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non-white-space character is other than a sign or a permissible letter or digit.
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If the subject sequence has the expected form and the value of base is
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zero, the sequence of characters starting with the first digit is
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interpreted as an integer constant. If the subject sequence has the
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expected form and the value of base is between 2 and 36, it is used as the
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base for conversion, ascribing to each letter its value as given above. If
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the subject sequence begins with a minus sign, the value resulting from the
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conversion is negated (in the return type). A pointer to the final string
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is stored in the object pointed to by endptr, provided that endptr is
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not a null pointer.
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In other than the "C" locale, additional locale-specific subject sequence
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forms may be accepted.
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If the subject sequence is empty or does not have the expected form, no
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conversion is performed; the value of nptr is stored in the object pointed
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to by endptr, provided that endptr is not a null pointer.
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@return The strtol, strtoll, strtoul, and strtoull functions return the
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converted value, if any. If no conversion could be performed, zero
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is returned. If the correct value is outside the range of
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representable values, LONG_MIN, LONG_MAX, LLONG_MIN, LLONG_MAX,
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ULONG_MAX, or ULLONG_MAX is returned (according to the return type
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and sign of the value, if any), and the value of the macro ERANGE
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is stored in errno.
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**/
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long
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strtol(const char * nptr, char ** endptr, int base)
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{
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const char *pEnd;
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long Result = 0;
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long Previous;
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int temp;
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BOOLEAN Negative = FALSE;
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pEnd = nptr;
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if((base < 0) || (base == 1) || (base > 36)) {
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if(endptr != NULL) {
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*endptr = NULL;
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}
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return 0;
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}
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// Skip leading spaces.
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while(isspace(*nptr)) ++nptr;
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// Process Subject sequence: optional sign followed by digits.
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if(*nptr == '+') {
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Negative = FALSE;
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++nptr;
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}
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else if(*nptr == '-') {
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Negative = TRUE;
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++nptr;
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}
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if(*nptr == '0') { /* Might be Octal or Hex */
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if(toupper(nptr[1]) == 'X') { /* Looks like Hex */
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if((base == 0) || (base == 16)) {
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nptr += 2; /* Skip the "0X" */
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base = 16; /* In case base was 0 */
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}
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}
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else { /* Looks like Octal */
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if((base == 0) || (base == 8)) {
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++nptr; /* Skip the leading "0" */
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base = 8; /* In case base was 0 */
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}
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}
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}
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if(base == 0) { /* If still zero then must be decimal */
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base = 10;
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}
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if(*nptr == '0') {
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for( ; *nptr == '0'; ++nptr); /* Skip any remaining leading zeros */
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pEnd = nptr;
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}
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while( isalnum(*nptr) && ((temp = Digit2Val(*nptr)) < base)) {
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Previous = Result;
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Result = (Result * base) + (long int)temp;
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if( Result <= Previous) { // Detect Overflow
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if(Negative) {
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Result = LONG_MIN;
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}
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else {
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Result = LONG_MAX;
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}
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Negative = FALSE;
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errno = ERANGE;
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break;
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}
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pEnd = ++nptr;
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}
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if(Negative) {
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Result = -Result;
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}
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// Save pointer to final sequence
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if(endptr != NULL) {
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*endptr = (char *)pEnd;
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}
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return Result;
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}
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/** The strtoull function converts the initial portion of the string pointed to
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by nptr to unsigned long long int representation.
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See the description for strtol for more information.
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@return The strtoull function returns the converted value, if any. If no
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conversion could be performed, zero is returned. If the correct
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value is outside the range of representable values, ULLONG_MAX is
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returned and the value of the macro ERANGE is stored in errno.
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**/
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unsigned long long
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strtoull(const char * nptr, char ** endptr, int base)
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{
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const char *pEnd;
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unsigned long long Result = 0;
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unsigned long long Previous;
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int temp;
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pEnd = nptr;
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if((base < 0) || (base == 1) || (base > 36)) {
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if(endptr != NULL) {
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*endptr = NULL;
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}
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return 0;
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}
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// Skip leading spaces.
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while(isspace(*nptr)) ++nptr;
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// Process Subject sequence: optional + sign followed by digits.
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if(*nptr == '+') {
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++nptr;
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}
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if(*nptr == '0') { /* Might be Octal or Hex */
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if(toupper(nptr[1]) == 'X') { /* Looks like Hex */
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if((base == 0) || (base == 16)) {
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nptr += 2; /* Skip the "0X" */
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base = 16; /* In case base was 0 */
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}
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}
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else { /* Looks like Octal */
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if((base == 0) || (base == 8)) {
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++nptr; /* Skip the leading "0" */
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base = 8; /* In case base was 0 */
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}
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}
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}
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if(base == 0) { /* If still zero then must be decimal */
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base = 10;
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}
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if(*nptr == '0') {
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for( ; *nptr == '0'; ++nptr); /* Skip any remaining leading zeros */
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pEnd = nptr;
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}
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while( isalnum(*nptr) && ((temp = Digit2Val(*nptr)) < base)) {
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Previous = Result;
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Result = DivU64x32 (Result, base) + (unsigned long long)temp;
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if( Result < Previous) { // If we overflowed
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Result = ULLONG_MAX;
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errno = ERANGE;
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break;
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}
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pEnd = ++nptr;
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}
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// Save pointer to final sequence
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if(endptr != NULL) {
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*endptr = (char *)pEnd;
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}
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return Result;
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}
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/**
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edk2 Jansson port does not support doubles, simply return 0.
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These conversion functions convert the initial portion of the string
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pointed to by nptr to double, float, and long double representation,
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respectively.
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The strtod(), strtof(), and strtold() functions return the converted
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value, if any.
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If endptr is not NULL, a pointer to the character after the last charac-
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ter used in the conversion is stored in the location referenced by
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endptr.
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If no conversion is performed, zero is returned and the value of nptr is
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stored in the location referenced by endptr.
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If the correct value would cause overflow, plus or minus HUGE_VAL,
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HUGE_VALF, or HUGE_VALL is returned (according to the sign and type of
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the return value), and ERANGE is stored in errno. If the correct value
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would cause underflow, zero is returned and ERANGE is stored in errno.
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@return Return 0.
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**/
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double
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strtod (const char * __restrict nptr, char ** __restrict endptr) {
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DEBUG((DEBUG_INFO, "We don't supprot double type on edk2 yet!"));
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ASSERT(FALSE);
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return (double)0;
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}
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static UINT8 BitMask[] = {
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0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80
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};
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#define WHICH8(c) ((unsigned char)(c) >> 3)
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#define WHICH_BIT(c) (BitMask[((c) & 0x7)])
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#define BITMAP64 ((UINT64 *)bitmap)
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static
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void
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BuildBitmap(unsigned char * bitmap, const char *s2, int n)
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{
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unsigned char bit;
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int index;
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// Initialize bitmap. Bit 0 is always 1 which corresponds to '\0'
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for (BITMAP64[0] = index = 1; index < n; index++) {
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BITMAP64[index] = 0;
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}
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// Set bits in bitmap corresponding to the characters in s2
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for (; *s2 != '\0'; s2++) {
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index = WHICH8(*s2);
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bit = WHICH_BIT(*s2);
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bitmap[index] = bitmap[index] | bit;
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}
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}
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/** The strpbrk function locates the first occurrence in the string pointed to
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by s1 of any character from the string pointed to by s2.
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@return The strpbrk function returns a pointer to the character, or a
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null pointer if no character from s2 occurs in s1.
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**/
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char *
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strpbrk(const char *s1, const char *s2)
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{
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UINT8 bitmap[ (((UCHAR_MAX + 1) / CHAR_BIT) + (CHAR_BIT - 1)) & ~7U];
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UINT8 bit;
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int index;
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BuildBitmap( bitmap, s2, sizeof(bitmap) / sizeof(UINT64));
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for( ; *s1 != '\0'; ++s1) {
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index = WHICH8(*s1);
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bit = WHICH_BIT(*s1);
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if( (bitmap[index] & bit) != 0) {
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return (char *)s1;
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}
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}
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return NULL;
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}
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/** The strerror function maps the number in errnum to a message string.
|
|
Typically, the values for errnum come from errno, but strerror shall map
|
|
any value of type int to a message.
|
|
|
|
The implementation shall behave as if no library function calls the
|
|
strerror function.
|
|
|
|
@return The strerror function returns a pointer to the string, the
|
|
contents of which are locale specific. The array pointed to
|
|
shall not be modified by the program, but may be overwritten by
|
|
a subsequent call to the strerror function.
|
|
**/
|
|
char *
|
|
strerror(int errnum)
|
|
{
|
|
return errnum_message;
|
|
}
|
|
|
|
/**
|
|
Allocate and zero-initialize array.
|
|
**/
|
|
void *
|
|
calloc(size_t Num, size_t Size)
|
|
{
|
|
void *RetVal;
|
|
size_t NumSize;
|
|
|
|
NumSize = Num * Size;
|
|
RetVal = NULL;
|
|
if (NumSize != 0) {
|
|
RetVal = malloc(NumSize);
|
|
if( RetVal != NULL) {
|
|
(VOID)ZeroMem( RetVal, NumSize);
|
|
}
|
|
}
|
|
DEBUG((DEBUG_POOL, "0x%p = calloc(%d, %d)\n", RetVal, Num, Size));
|
|
|
|
return RetVal;
|
|
}
|
|
|
|
//
|
|
// The arrays give the cumulative number of days up to the first of the
|
|
// month number used as the index (1 -> 12) for regular and leap years.
|
|
// The value at index 13 is for the whole year.
|
|
//
|
|
UINTN CumulativeDays[2][14] = {
|
|
{
|
|
0,
|
|
0,
|
|
31,
|
|
31 + 28,
|
|
31 + 28 + 31,
|
|
31 + 28 + 31 + 30,
|
|
31 + 28 + 31 + 30 + 31,
|
|
31 + 28 + 31 + 30 + 31 + 30,
|
|
31 + 28 + 31 + 30 + 31 + 30 + 31,
|
|
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31,
|
|
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
|
|
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
|
|
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
|
|
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31
|
|
},
|
|
{
|
|
0,
|
|
0,
|
|
31,
|
|
31 + 29,
|
|
31 + 29 + 31,
|
|
31 + 29 + 31 + 30,
|
|
31 + 29 + 31 + 30 + 31,
|
|
31 + 29 + 31 + 30 + 31 + 30,
|
|
31 + 29 + 31 + 30 + 31 + 30 + 31,
|
|
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31,
|
|
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30,
|
|
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31,
|
|
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30,
|
|
31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31
|
|
}
|
|
};
|
|
|
|
#define IsLeap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
|
|
#define SECSPERMIN (60)
|
|
#define SECSPERHOUR (60 * 60)
|
|
#define SECSPERDAY (24 * SECSPERHOUR)
|
|
|
|
/**
|
|
Get the system time as seconds elapsed since midnight, January 1, 1970.
|
|
**/
|
|
time_t time (time_t *timer)
|
|
{
|
|
EFI_TIME Time;
|
|
time_t CalTime;
|
|
UINTN Year;
|
|
|
|
//
|
|
// Get the current time and date information
|
|
//
|
|
gRT->GetTime (&Time, NULL);
|
|
|
|
//
|
|
// Years Handling
|
|
// UTime should now be set to 00:00:00 on Jan 1 of the current year.
|
|
//
|
|
for (Year = 1970, CalTime = 0; Year != Time.Year; Year++) {
|
|
CalTime = CalTime + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);
|
|
}
|
|
|
|
//
|
|
// Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
|
|
//
|
|
CalTime = CalTime +
|
|
(time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +
|
|
(time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) +
|
|
(time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) +
|
|
(time_t)(Time.Hour * SECSPERHOUR) +
|
|
(time_t)(Time.Minute * 60) +
|
|
(time_t)Time.Second;
|
|
|
|
if (timer != NULL) {
|
|
*timer = CalTime;
|
|
}
|
|
|
|
return CalTime;
|
|
}
|
|
|
|
/**
|
|
Performs a quick sort
|
|
**/
|
|
void qsort (void *base, size_t num, size_t width, int (*compare)(const void *, const void *))
|
|
{
|
|
|
|
ASSERT (base != NULL);
|
|
ASSERT (compare != NULL);
|
|
|
|
PerformQuickSort (base, (UINTN)num, (UINTN)width, (SORT_COMPARE)compare);
|
|
return;
|
|
}
|
|
|
|
/**
|
|
Get character from stream, we don't support file operastion on edk2 JSON library.
|
|
|
|
@return Returns the character currently pointed by the internal file position indicator of the specified stream
|
|
|
|
**/
|
|
int fgetc(FILE * _File){
|
|
return EOF;
|
|
}
|
|
/**
|
|
Open stream file, we don't support file operastion on edk2 JSON library.
|
|
|
|
@return 0 Unsupported
|
|
|
|
**/
|
|
FILE *fopen (const char *filename, const char *mode) {
|
|
return NULL;
|
|
}
|
|
/**
|
|
Read stream from file, we don't support file operastion on edk2 JSON library.
|
|
|
|
@return 0 Unsupported
|
|
|
|
**/
|
|
size_t fread (void * ptr, size_t size, size_t count, FILE * stream) {
|
|
return 0;
|
|
}
|
|
/**
|
|
Write stream from file, we don't support file operastion on edk2 JSON library.
|
|
|
|
@return 0 Unsupported
|
|
|
|
**/
|
|
size_t fwrite (const void * ptr, size_t size, size_t count, FILE * stream) {
|
|
return 0;
|
|
}
|
|
/**
|
|
Close file, we don't support file operastion on edk2 JSON library.
|
|
|
|
@return 0 Unsupported
|
|
|
|
**/
|
|
int fclose (FILE * stream) {
|
|
return EOF;
|
|
}
|
|
/**
|
|
Write the formatted string to file, we don't support file operastion on edk2 JSON library.
|
|
|
|
@return 0 Unsupported
|
|
|
|
**/
|
|
int fprintf (FILE * stream, const char * format, ...) {
|
|
return -1;
|
|
}
|
|
/**
|
|
This function check if this is the formating string specifier.
|
|
|
|
@param[in] FormatString A Null-terminated ASCII format string.
|
|
@param[in,out] CurrentPosition The starting position at the given string to check for
|
|
"[flags][width][.precision][length]s" string specifier.
|
|
@param[in] StrLength Maximum string length.
|
|
|
|
@return BOOLEAN TRUE means this is the formating string specifier. CurrentPosition is
|
|
returned at the position of "s".
|
|
FALSE means this is not the formating string specifier.. CurrentPosition is
|
|
returned at the position of failed character.
|
|
|
|
**/
|
|
BOOLEAN
|
|
CheckFormatingString (
|
|
IN CONST CHAR8 *FormatString,
|
|
IN OUT UINTN *CurrentPosition,
|
|
IN UINTN StrLength
|
|
)
|
|
{
|
|
CHAR8 FormatStringParamater;
|
|
|
|
while (*(FormatString + *CurrentPosition) != 's') {
|
|
//
|
|
// Loop until reach character 's' if the formating string is
|
|
// compliant with "[flags][width][.precision][length]" format for
|
|
// the string specifier.
|
|
//
|
|
FormatStringParamater = *(FormatString + *CurrentPosition);
|
|
if ((FormatStringParamater != '-') &&
|
|
(FormatStringParamater != '+') &&
|
|
(FormatStringParamater != '*') &&
|
|
(FormatStringParamater != '.') &&
|
|
!(((UINTN)FormatStringParamater >= (UINTN)'0') && ((UINTN)FormatStringParamater <= (UINTN)'9'))
|
|
) {
|
|
return FALSE;
|
|
}
|
|
(*CurrentPosition)++;
|
|
if (*CurrentPosition >= StrLength) {
|
|
return FALSE;
|
|
}
|
|
};
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
This function clones *FormatString however replaces "%s" with "%a" in the
|
|
returned string.
|
|
|
|
@param[in] A Null-terminated ASCII format string.
|
|
|
|
@return The new format string. Caller has to free the memory of this string
|
|
using FreePool().
|
|
|
|
**/
|
|
CHAR8 *
|
|
ReplaceUnicodeToAsciiStrFormat (
|
|
IN CONST CHAR8 *FormatString
|
|
)
|
|
{
|
|
UINTN FormatStrSize;
|
|
UINTN FormatStrIndex;
|
|
UINTN FormatStrSpecifier;
|
|
BOOLEAN PercentageMark;
|
|
CHAR8 *TempFormatBuffer;
|
|
BOOLEAN IsFormatString;
|
|
|
|
//
|
|
// Error checking.
|
|
//
|
|
if (FormatString == NULL) {
|
|
return NULL;
|
|
}
|
|
FormatStrSize = AsciiStrSize(FormatString);
|
|
if (FormatStrSize == 0) {
|
|
return NULL;
|
|
}
|
|
TempFormatBuffer = AllocatePool(FormatStrSize); // Allocate memory for the
|
|
// new string.
|
|
if (TempFormatBuffer== NULL) {
|
|
return NULL;
|
|
}
|
|
//
|
|
// Clone *FormatString but replace "%s" wih "%a".
|
|
// "%%" is not considered as the format tag.
|
|
//
|
|
PercentageMark = FALSE;
|
|
FormatStrIndex = 0;
|
|
while (FormatStrIndex < FormatStrSize) {
|
|
if (PercentageMark == TRUE) {
|
|
//
|
|
// Previous character is "%".
|
|
//
|
|
PercentageMark = FALSE;
|
|
if (*(FormatString + FormatStrIndex) != '%') { // Check if this is double "%".
|
|
FormatStrSpecifier = FormatStrIndex;
|
|
//
|
|
// Check if this is the formating string specifier.
|
|
//
|
|
IsFormatString = CheckFormatingString (FormatString, &FormatStrSpecifier, FormatStrSize);
|
|
if ((FormatStrSpecifier - FormatStrIndex) != 0) {
|
|
CopyMem((VOID *)(TempFormatBuffer + FormatStrIndex),
|
|
(VOID *)(FormatString + FormatStrIndex),
|
|
FormatStrSpecifier - FormatStrIndex
|
|
);
|
|
}
|
|
FormatStrIndex = FormatStrSpecifier;
|
|
if (IsFormatString == TRUE) {
|
|
//
|
|
// Replace 's' with 'a' which is printed in ASCII
|
|
// format on edk2 environment.
|
|
//
|
|
*(TempFormatBuffer + FormatStrSpecifier) = 'a';
|
|
FormatStrIndex ++;
|
|
}
|
|
continue;
|
|
}
|
|
goto ContinueCheck;
|
|
}
|
|
if (*(FormatString + FormatStrIndex) == '%') {
|
|
//
|
|
// This character is "%", set the flag.
|
|
//
|
|
PercentageMark = TRUE;
|
|
}
|
|
ContinueCheck:
|
|
//
|
|
// Clone character to the new string and advance FormatStrIndex
|
|
// to process next character.
|
|
//
|
|
*(TempFormatBuffer + FormatStrIndex) = *(FormatString + FormatStrIndex);
|
|
FormatStrIndex++;
|
|
};
|
|
return TempFormatBuffer;
|
|
}
|
|
|
|
/**
|
|
This is the Redfish version of CRT vsnprintf function, this function replaces "%s" to
|
|
"%a" before invoking AsciiVSPrint(). That is because "%s" is unicode base on edk2
|
|
environment however "%s" is ascii code base on vsnprintf().
|
|
See definitions of AsciiVSPrint() for the details.
|
|
|
|
@param StartOfBuffer A pointer 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 A Null-terminated ASCII format string.
|
|
@param Marker VA_LIST marker for the variable argument list.
|
|
|
|
@return The number of ASCII characters in the produced output buffer not including the
|
|
Null-terminator.
|
|
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
RedfishAsciiVSPrint (
|
|
OUT CHAR8 *StartOfBuffer,
|
|
IN UINTN BufferSize,
|
|
IN CONST CHAR8 *FormatString,
|
|
IN VA_LIST Marker
|
|
)
|
|
{
|
|
CHAR8 *TempFormatBuffer;
|
|
UINTN LenStrProduced;
|
|
|
|
//
|
|
// Looking for "%s" in the format string and replace it
|
|
// with "%a" for printing ASCII code characters on edk2
|
|
// environment.
|
|
//
|
|
TempFormatBuffer = ReplaceUnicodeToAsciiStrFormat (FormatString);
|
|
if (TempFormatBuffer == NULL) {
|
|
return 0;
|
|
}
|
|
LenStrProduced = AsciiVSPrint (StartOfBuffer, BufferSize, (CONST CHAR8 *)TempFormatBuffer, Marker);
|
|
FreePool (TempFormatBuffer);
|
|
return LenStrProduced;
|
|
}
|
|
|
|
/**
|
|
This is the Redfish version of CRT snprintf function, this function replaces "%s" to
|
|
"%a" before invoking AsciiSPrint(). That is because "%s" is unicode base on edk2
|
|
environment however "%s" is ascii code base on snprintf().
|
|
See definitions of AsciiSPrint() for the details.
|
|
|
|
@param StartOfBuffer A pointer 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 A Null-terminated ASCII format string.
|
|
@param ... Variable argument list whose contents are accessed based on the
|
|
format string specified by FormatString.
|
|
|
|
@return The number of ASCII characters in the produced output buffer not including the
|
|
Null-terminator.
|
|
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
RedfishAsciiSPrint (
|
|
OUT CHAR8 *StartOfBuffer,
|
|
IN UINTN BufferSize,
|
|
IN CONST CHAR8 *FormatString,
|
|
...
|
|
)
|
|
{
|
|
VA_LIST Marker;
|
|
UINTN LenStrProduced;
|
|
|
|
VA_START(Marker, FormatString);
|
|
LenStrProduced = RedfishAsciiVSPrint (StartOfBuffer, BufferSize, FormatString, Marker);
|
|
return LenStrProduced;
|
|
}
|
|
|