From 3e700cff53c0fdd4de2a0f89ef7916f05a131351 Mon Sep 17 00:00:00 2001
From: Narayan Kamath <narayan@google.com>
Date: Mon, 23 Feb 2015 13:29:16 +0000
Subject: Delete unused functions from minzip.

This is in preparation of replacing it with libziparchive and
providing shim wrappers.

bug: 19472796
Change-Id: I1f2fb59ee7a41434e794e4ed15b754aa2b74a11d
---
 minzip/Zip.c | 43 +------------------------------------------
 minzip/Zip.h | 51 ---------------------------------------------------
 2 files changed, 1 insertion(+), 93 deletions(-)

(limited to 'minzip')

diff --git a/minzip/Zip.c b/minzip/Zip.c
index aec35e3..fb462f4 100644
--- a/minzip/Zip.c
+++ b/minzip/Zip.c
@@ -484,7 +484,7 @@ const ZipEntry* mzFindZipEntry(const ZipArchive* pArchive,
 /*
  * Return true if the entry is a symbolic link.
  */
-bool mzIsZipEntrySymlink(const ZipEntry* pEntry)
+static bool mzIsZipEntrySymlink(const ZipEntry* pEntry)
 {
     if ((pEntry->versionMadeBy & 0xff00) == CENVEM_UNIX) {
         return S_ISLNK(pEntry->externalFileAttributes >> 16);
@@ -628,30 +628,6 @@ static bool crcProcessFunction(const unsigned char *data, int dataLen,
     return true;
 }
 
-/*
- * Check the CRC on this entry; return true if it is correct.
- * May do other internal checks as well.
- */
-bool mzIsZipEntryIntact(const ZipArchive *pArchive, const ZipEntry *pEntry)
-{
-    unsigned long crc;
-    bool ret;
-
-    crc = crc32(0L, Z_NULL, 0);
-    ret = mzProcessZipEntryContents(pArchive, pEntry, crcProcessFunction,
-            (void *)&crc);
-    if (!ret) {
-        LOGE("Can't calculate CRC for entry\n");
-        return false;
-    }
-    if (crc != (unsigned long)pEntry->crc32) {
-        LOGW("CRC for entry %.*s (0x%08lx) != expected (0x%08lx)\n",
-                pEntry->fileNameLen, pEntry->fileName, crc, pEntry->crc32);
-        return false;
-    }
-    return true;
-}
-
 typedef struct {
     char *buf;
     int bufLen;
@@ -733,23 +709,6 @@ bool mzExtractZipEntryToFile(const ZipArchive *pArchive,
     return true;
 }
 
-/*
- * Obtain a pointer to the in-memory representation of a stored entry.
- */
-bool mzGetStoredEntry(const ZipArchive *pArchive,
-    const ZipEntry *pEntry, unsigned char **addr, size_t *length)
-{
-    if (pEntry->compression != STORED) {
-        LOGE("Can't getStoredEntry for '%s'; not stored\n",
-             pEntry->fileName);
-        return false;
-    }
-
-    *addr = pArchive->addr + pEntry->offset;
-    *length = pEntry->uncompLen;
-    return true;
-}
-
 typedef struct {
     unsigned char* buffer;
     long len;
diff --git a/minzip/Zip.h b/minzip/Zip.h
index 2054b38..54eab32 100644
--- a/minzip/Zip.h
+++ b/minzip/Zip.h
@@ -92,49 +92,15 @@ INLINE unsigned int mzZipEntryCount(const ZipArchive* pArchive) {
     return pArchive->numEntries;
 }
 
-/*
- * Get an entry by index.  Returns NULL if the index is out-of-bounds.
- */
-INLINE const ZipEntry*
-mzGetZipEntryAt(const ZipArchive* pArchive, unsigned int index)
-{
-    if (index < pArchive->numEntries) {
-        return pArchive->pEntries + index;
-    }
-    return NULL;
-}
-
-/*
- * Get the index number of an entry in the archive.
- */
-INLINE unsigned int
-mzGetZipEntryIndex(const ZipArchive *pArchive, const ZipEntry *pEntry) {
-    return pEntry - pArchive->pEntries;
-}
-
-/*
- * Simple accessors.
- */
-INLINE UnterminatedString mzGetZipEntryFileName(const ZipEntry* pEntry) {
-    UnterminatedString ret;
-    ret.str = pEntry->fileName;
-    ret.len = pEntry->fileNameLen;
-    return ret;
-}
 INLINE long mzGetZipEntryOffset(const ZipEntry* pEntry) {
     return pEntry->offset;
 }
 INLINE long mzGetZipEntryUncompLen(const ZipEntry* pEntry) {
     return pEntry->uncompLen;
 }
-INLINE long mzGetZipEntryModTime(const ZipEntry* pEntry) {
-    return pEntry->modTime;
-}
 INLINE long mzGetZipEntryCrc32(const ZipEntry* pEntry) {
     return pEntry->crc32;
 }
-bool mzIsZipEntrySymlink(const ZipEntry* pEntry);
-
 
 /*
  * Type definition for the callback function used by
@@ -164,12 +130,6 @@ bool mzReadZipEntry(const ZipArchive* pArchive, const ZipEntry* pEntry,
         char* buf, int bufLen);
 
 /*
- * Check the CRC on this entry; return true if it is correct.
- * May do other internal checks as well.
- */
-bool mzIsZipEntryIntact(const ZipArchive *pArchive, const ZipEntry *pEntry);
-
-/*
  * Inflate and write an entry to a file.
  */
 bool mzExtractZipEntryToFile(const ZipArchive *pArchive,
@@ -183,17 +143,6 @@ bool mzExtractZipEntryToBuffer(const ZipArchive *pArchive,
     const ZipEntry *pEntry, unsigned char* buffer);
 
 /*
- * Return a pointer and length for a given entry.  The returned region
- * should be valid until pArchive is closed, and should be treated as
- * read-only.
- *
- * Only makes sense for entries which are stored (ie, not compressed).
- * No guarantees are made regarding alignment of the returned pointer.
- */
-bool mzGetStoredEntry(const ZipArchive *pArchive,
-    const ZipEntry* pEntry, unsigned char **addr, size_t *length);
-
-/*
  * Inflate all entries under zipDir to the directory specified by
  * targetDir, which must exist and be a writable directory.
  *
-- 
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