Add Extra field info in ZipFileRO

Adding extra field size info in ZipFileRO.
Adding a new method for backward compatability.

Test: m libandroidfw
Bug: 301631861
Change-Id: I55992c50f7db212fdf78a8708ac5dee6af66d83c

libs/androidfw/ZipFileRO.cpp

@@ -118,31 +118,42 @@ ZipEntryRO ZipFileRO::findEntryByName(const char* entryName) const
  * Returns "false" if the offsets to the fields or the contents of the fields
  * appear to be bogus.
  */
+bool ZipFileRO::getEntryInfo(ZipEntryRO entry, uint16_t* pMethod,
+ uint32_t* pUncompLen, uint32_t* pCompLen, off64_t* pOffset,
+ uint32_t* pModWhen, uint32_t* pCrc32) const
+{
+     return getEntryInfo(entry, pMethod, pUncompLen, pCompLen, pOffset, pModWhen,
+      pCrc32, nullptr);
+}
+
 bool ZipFileRO::getEntryInfo(ZipEntryRO entry, uint16_t* pMethod,
     uint32_t* pUncompLen, uint32_t* pCompLen, off64_t* pOffset,
-    uint32_t* pModWhen, uint32_t* pCrc32) const
+    uint32_t* pModWhen, uint32_t* pCrc32, uint16_t* pExtraFieldSize) const
 {
     const _ZipEntryRO* zipEntry = reinterpret_cast<_ZipEntryRO*>(entry);
     const ZipEntry& ze = zipEntry->entry;
 
-    if (pMethod != NULL) {
+    if (pMethod != nullptr) {
         *pMethod = ze.method;
     }
-    if (pUncompLen != NULL) {
+    if (pUncompLen != nullptr) {
         *pUncompLen = ze.uncompressed_length;
     }
-    if (pCompLen != NULL) {
+    if (pCompLen != nullptr) {
         *pCompLen = ze.compressed_length;
     }
-    if (pOffset != NULL) {
+    if (pOffset != nullptr) {
         *pOffset = ze.offset;
     }
-    if (pModWhen != NULL) {
+    if (pModWhen != nullptr) {
         *pModWhen = ze.mod_time;
     }
-    if (pCrc32 != NULL) {
+    if (pCrc32 != nullptr) {
         *pCrc32 = ze.crc32;
     }
+    if (pExtraFieldSize != nullptr) {
+        *pExtraFieldSize = ze.extra_field_size;
+    }
 
     return true;
 }

libs/androidfw/include/androidfw/ZipFileRO.h

@@ -151,6 +151,10 @@ public:
         uint32_t* pCompLen, off64_t* pOffset, uint32_t* pModWhen,
         uint32_t* pCrc32) const;
 
+    bool getEntryInfo(ZipEntryRO entry, uint16_t* pMethod,
+        uint32_t* pUncompLen, uint32_t* pCompLen, off64_t* pOffset,
+        uint32_t* pModWhen, uint32_t* pCrc32, uint16_t* pExtraFieldSize) const;
+
     /*
      * Create a new FileMap object that maps a subset of the archive. For
      * an uncompressed entry this effectively provides a pointer to the