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-rw-r--r--fpdfsdk/src/javascript/PublicMethods.cpp35
1 files changed, 18 insertions, 17 deletions
diff --git a/fpdfsdk/src/javascript/PublicMethods.cpp b/fpdfsdk/src/javascript/PublicMethods.cpp
index bd4acaef9a..55228687bc 100644
--- a/fpdfsdk/src/javascript/PublicMethods.cpp
+++ b/fpdfsdk/src/javascript/PublicMethods.cpp
@@ -624,7 +624,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
FX_BOOL bPm = FALSE;
FX_BOOL bExit = FALSE;
bWrongFormat = FALSE;
-
+
int i=0;
int j=0;
@@ -632,7 +632,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
{
if (bExit) break;
- FX_WCHAR c = format.GetAt(i);
+ FX_WCHAR c = format.GetAt(i);
switch (c)
{
case ':':
@@ -643,7 +643,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
i++;
j++;
break;
-
+
case 'y':
case 'm':
case 'd':
@@ -655,8 +655,9 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
{
int oldj = j;
int nSkip = 0;
+ int remaining = format.GetLength() - i - 1;
- if (format.GetAt(i+1) != c)
+ if (remaining == 0 || format.GetAt(i+1) != c)
{
switch (c)
{
@@ -695,13 +696,13 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
j += nSkip;
break;
case 't':
- bPm = value.GetAt(i) == 'p';
+ bPm = (j < value.GetLength() && value.GetAt(j) == 'p');
i++;
j++;
break;
- }
+ }
}
- else if (format.GetAt(i+1) == c && format.GetAt(i+2) != c)
+ else if (remaining == 1 || format.GetAt(i+2) != c)
{
switch (c)
{
@@ -741,13 +742,13 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
j += nSkip;
break;
case 't':
- bPm = (value.GetAt(j) == 'p' && value.GetAt(j+1) == 'm');
+ bPm = (j + 1 < value.GetLength() && value.GetAt(j) == 'p' && value.GetAt(j+1) == 'm');
i += 2;
j += 2;
break;
}
}
- else if (format.GetAt(i+1) == c && format.GetAt(i+2) == c && format.GetAt(i+3) != c)
+ else if (remaining == 2 || format.GetAt(i+3) != c)
{
switch (c)
{
@@ -766,7 +767,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
break;
}
}
-
+
if (!bFind)
{
nMonth = ParseStringInteger(value, j, nSkip, 3);
@@ -783,7 +784,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
break;
}
}
- else if (format.GetAt(i+1) == c && format.GetAt(i+2) == c && format.GetAt(i+3) == c && format.GetAt(i+4) != c)
+ else if (remaining == 3 || format.GetAt(i+4) != c)
{
switch (c)
{
@@ -815,7 +816,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
break;
}
}
-
+
if (!bFind)
{
nMonth = ParseStringInteger(value, j, nSkip, 4);
@@ -828,11 +829,11 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
i += 4;
j += 4;
break;
- }
+ }
}
else
{
- if (format.GetAt(i) != value.GetAt(j))
+ if (j >= value.GetLength() || format.GetAt(i) != value.GetAt(j))
{
bWrongFormat = TRUE;
bExit = TRUE;
@@ -840,7 +841,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
i++;
j++;
}
-
+
if (oldj == j)
{
bWrongFormat = TRUE;
@@ -848,7 +849,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
}
}
- break;
+ break;
default:
if (value.GetLength() <= j)
{
@@ -863,7 +864,7 @@ double CJS_PublicMethods::MakeRegularDate(const CFX_WideString & value, const CF
i++;
j++;
break;
- }
+ }
}
if (bPm) nHour += 12;