diff -rupN poppler-0.67.0/utils/pdfdetach.cc poppler-0.67.0-new/utils/pdfdetach.cc
--- poppler-0.67.0/utils/pdfdetach.cc 2019-02-20 19:27:38.420686081 +0100
+++ poppler-0.67.0-new/utils/pdfdetach.cc 2019-02-20 19:27:38.422686082 +0100
@@ -190,14 +190,18 @@ int main(int argc, char *argv[]) {
fileSpec = static_cast<FileSpec *>(embeddedFiles->get(i));
printf("%d: ", i+1);
s1 = fileSpec->getFileName();
- if ((s1->getChar(0) & 0xff) == 0xfe && (s1->getChar(1) & 0xff) == 0xff) {
+ if (!s1) {
+ exitCode = 3;
+ goto err2;
+ }
+ if (s1->hasUnicodeMarker()) {
isUnicode = gTrue;
j = 2;
} else {
isUnicode = gFalse;
j = 0;
}
- while (j < fileSpec->getFileName()->getLength()) {
+ while (j < s1->getLength()) {
if (isUnicode) {
u = ((s1->getChar(j) & 0xff) << 8) | (s1->getChar(j+1) & 0xff);
j += 2;
@@ -227,14 +231,18 @@ int main(int argc, char *argv[]) {
p = path;
}
s1 = fileSpec->getFileName();
- if ((s1->getChar(0) & 0xff) == 0xfe && (s1->getChar(1) & 0xff) == 0xff) {
+ if (!s1) {
+ exitCode = 3;
+ goto err2;
+ }
+ if (s1->hasUnicodeMarker()) {
isUnicode = gTrue;
j = 2;
} else {
isUnicode = gFalse;
j = 0;
}
- while (j < fileSpec->getFileName()->getLength()) {
+ while (j < s1->getLength()) {
if (isUnicode) {
u = ((s1->getChar(j) & 0xff) << 8) | (s1->getChar(j+1) & 0xff);
j += 2;
@@ -275,14 +283,18 @@ int main(int argc, char *argv[]) {
} else {
p = path;
s1 = fileSpec->getFileName();
- if ((s1->getChar(0) & 0xff) == 0xfe && (s1->getChar(1) & 0xff) == 0xff) {
+ if (!s1) {
+ exitCode = 3;
+ goto err2;
+ }
+ if (s1->hasUnicodeMarker()) {
isUnicode = gTrue;
j = 2;
} else {
isUnicode = gFalse;
j = 0;
}
- while (j < fileSpec->getFileName()->getLength()) {
+ while (j < s1->getLength()) {
if (isUnicode) {
u = ((s1->getChar(j) & 0xff) << 8) | (s1->getChar(j+1) & 0xff);
j += 2;