From d611117f246213ee4bb183a3015c1fd79593074b Mon Sep 17 00:00:00 2001
From: Kenny Root <kroot@google.com>
Date: Tue, 16 Oct 2012 11:34:02 -0700
Subject: [PATCH] Add TEMP_FAILURE_RETRY to ZipUtils

Change-Id: I275c415f14eeffaf9a58d45f3ea014d766441ec3
---
 include/utils/Compat.h   | 23 +++++++++++++++++++++++
 libs/utils/ZipFileRO.cpp | 24 +-----------------------
 libs/utils/ZipUtils.cpp  | 10 ++++++----
 3 files changed, 30 insertions(+), 27 deletions(-)

diff --git a/include/utils/Compat.h b/include/utils/Compat.h
index 18192661c..fb7748eaa 100644
--- a/include/utils/Compat.h
+++ b/include/utils/Compat.h
@@ -39,4 +39,27 @@ static inline ssize_t pread64(int fd, void* buf, size_t nbytes, off64_t offset)
 
 #endif /* !HAVE_OFF64_T */
 
+#if HAVE_PRINTF_ZD
+#  define ZD "%zd"
+#  define ZD_TYPE ssize_t
+#else
+#  define ZD "%ld"
+#  define ZD_TYPE long
+#endif
+
+/*
+ * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
+ * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
+ * not already defined, then define it here.
+ */
+#ifndef TEMP_FAILURE_RETRY
+/* Used to retry syscalls that can return EINTR. */
+#define TEMP_FAILURE_RETRY(exp) ({         \
+    typeof (exp) _rc;                      \
+    do {                                   \
+        _rc = (exp);                       \
+    } while (_rc == -1 && errno == EINTR); \
+    _rc; })
+#endif
+
 #endif /* __LIB_UTILS_COMPAT_H */
diff --git a/libs/utils/ZipFileRO.cpp b/libs/utils/ZipFileRO.cpp
index cad772075..05ff269c2 100644
--- a/libs/utils/ZipFileRO.cpp
+++ b/libs/utils/ZipFileRO.cpp
@@ -20,6 +20,7 @@
 #define LOG_TAG "zipro"
 //#define LOG_NDEBUG 0
 #include <utils/Log.h>
+#include <utils/Compat.h>
 #include <utils/ZipFileRO.h>
 #include <utils/misc.h>
 #include <utils/threads.h>
@@ -32,14 +33,6 @@
 #include <assert.h>
 #include <unistd.h>
 
-#if HAVE_PRINTF_ZD
-#  define ZD "%zd"
-#  define ZD_TYPE ssize_t
-#else
-#  define ZD "%ld"
-#  define ZD_TYPE long
-#endif
-
 /*
  * We must open binary files using open(path, ... | O_BINARY) under Windows.
  * Otherwise strange read errors will happen.
@@ -48,21 +41,6 @@
 #  define O_BINARY  0
 #endif
 
-/*
- * TEMP_FAILURE_RETRY is defined by some, but not all, versions of
- * <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
- * not already defined, then define it here.
- */
-#ifndef TEMP_FAILURE_RETRY
-/* Used to retry syscalls that can return EINTR. */
-#define TEMP_FAILURE_RETRY(exp) ({         \
-    typeof (exp) _rc;                      \
-    do {                                   \
-        _rc = (exp);                       \
-    } while (_rc == -1 && errno == EINTR); \
-    _rc; })
-#endif
-
 using namespace android;
 
 /*
diff --git a/libs/utils/ZipUtils.cpp b/libs/utils/ZipUtils.cpp
index cf5467ba5..a43bbb0ca 100644
--- a/libs/utils/ZipUtils.cpp
+++ b/libs/utils/ZipUtils.cpp
@@ -21,6 +21,7 @@
 #define LOG_TAG "ziputil"
 
 #include <utils/Log.h>
+#include <utils/Compat.h>
 #include <utils/ZipUtils.h>
 #include <utils/ZipFileRO.h>
 
@@ -98,10 +99,11 @@ using namespace android;
             ALOGV("+++ reading %ld bytes (%ld left)\n",
                 getSize, compRemaining);
 
-            int cc = read(fd, readBuf, getSize);
-            if (cc != (int) getSize) {
-                ALOGD("inflate read failed (%d vs %ld)\n",
-                    cc, getSize);
+            int cc = TEMP_FAILURE_RETRY(read(fd, readBuf, getSize));
+            if (cc < 0) {
+                ALOGW("inflate read failed: %s", strerror(errno));
+            } else if (cc != (int) getSize) {
+                ALOGW("inflate read failed (%d vs %ld)", cc, getSize);
                 goto z_bail;
             }