diff options
Diffstat (limited to 'MdePkg/Library')
| -rw-r--r-- | MdePkg/Library/BaseLib/SafeString.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/MdePkg/Library/BaseLib/SafeString.c b/MdePkg/Library/BaseLib/SafeString.c index f338a32a3a..b75b333817 100644 --- a/MdePkg/Library/BaseLib/SafeString.c +++ b/MdePkg/Library/BaseLib/SafeString.c @@ -863,6 +863,9 @@ StrHexToUintnS ( OUT UINTN *Data
)
{
+ BOOLEAN FoundLeadingZero;
+
+ FoundLeadingZero = FALSE;
ASSERT (((UINTN)String & BIT0) == 0);
//
@@ -892,12 +895,14 @@ StrHexToUintnS ( //
// Ignore leading Zeros after the spaces
//
+
+ FoundLeadingZero = *String == L'0';
while (*String == L'0') {
String++;
}
if (CharToUpper (*String) == L'X') {
- if (*(String - 1) != L'0') {
+ if (!FoundLeadingZero) {
*Data = 0;
return RETURN_SUCCESS;
}
@@ -992,6 +997,9 @@ StrHexToUint64S ( OUT UINT64 *Data
)
{
+ BOOLEAN FoundLeadingZero;
+
+ FoundLeadingZero = FALSE;
ASSERT (((UINTN)String & BIT0) == 0);
//
@@ -1021,12 +1029,13 @@ StrHexToUint64S ( //
// Ignore leading Zeros after the spaces
//
+ FoundLeadingZero = *String == L'0';
while (*String == L'0') {
String++;
}
if (CharToUpper (*String) == L'X') {
- if (*(String - 1) != L'0') {
+ if (!FoundLeadingZero) {
*Data = 0;
return RETURN_SUCCESS;
}
@@ -2393,6 +2402,9 @@ AsciiStrHexToUintnS ( OUT UINTN *Data
)
{
+ BOOLEAN FoundLeadingZero;
+
+ FoundLeadingZero = FALSE;
//
// 1. Neither String nor Data shall be a null pointer.
//
@@ -2420,12 +2432,13 @@ AsciiStrHexToUintnS ( //
// Ignore leading Zeros after the spaces
//
+ FoundLeadingZero = *String == '0';
while (*String == '0') {
String++;
}
if (AsciiCharToUpper (*String) == 'X') {
- if (*(String - 1) != '0') {
+ if (!FoundLeadingZero) {
*Data = 0;
return RETURN_SUCCESS;
}
@@ -2517,6 +2530,9 @@ AsciiStrHexToUint64S ( OUT UINT64 *Data
)
{
+ BOOLEAN FoundLeadingZero;
+
+ FoundLeadingZero = FALSE;
//
// 1. Neither String nor Data shall be a null pointer.
//
@@ -2544,12 +2560,13 @@ AsciiStrHexToUint64S ( //
// Ignore leading Zeros after the spaces
//
+ FoundLeadingZero = *String == '0';
while (*String == '0') {
String++;
}
if (AsciiCharToUpper (*String) == 'X') {
- if (*(String - 1) != '0') {
+ if (!FoundLeadingZero) {
*Data = 0;
return RETURN_SUCCESS;
}
|