Frameworks/base: Turn on -Wall -Werror in cmds

Fix small warnings, turn on -Wall -Werror.

Change-Id: Iab1f01a7c7ebd6ba832b75067c5e395f380a1b8b

4 files changed, 11 insertions, 33 deletions

diff --git a/cmds/idmap/Android.mk b/cmds/idmap/Android.mk
index ffa83f2..50ccb07 100644
--- a/cmds/idmap/Android.mk
+++ b/cmds/idmap/Android.mk
@@ -25,4 +25,6 @@ LOCAL_C_INCLUDES := external/zlib
 
 LOCAL_MODULE_TAGS := optional
 
+LOCAL_CFLAGS += -Wall -Werror -Wunused -Wunreachable-code
+
 include $(BUILD_EXECUTABLE)
diff --git a/cmds/idmap/create.cpp b/cmds/idmap/create.cpp
index 593a197..28da3d6 100644
--- a/cmds/idmap/create.cpp
+++ b/cmds/idmap/create.cpp
@@ -22,7 +22,7 @@ namespace {
         if (entry == NULL) {
             return -1;
         }
-        if (!zip->getEntryInfo(entry, NULL, NULL, NULL, NULL, NULL, (long*)crc)) {
+        if (!zip->getEntryInfo(entry, NULL, NULL, NULL, NULL, NULL, reinterpret_cast<long*>(crc))) {
             return -1;
         }
         zip->releaseEntry(entry);
@@ -66,7 +66,7 @@ fail:
                 fprintf(stderr, "error: write: %s\n", strerror(errno));
                 return -1;
             }
-            bytesLeft -= w;
+            bytesLeft -= static_cast<size_t>(w);
         }
         return 0;
     }
@@ -84,7 +84,7 @@ fail:
         }
 
         char buf[N];
-        ssize_t bytesLeft = N;
+        size_t bytesLeft = N;
         if (lseek(idmap_fd, SEEK_SET, 0) < 0) {
             return true;
         }
@@ -93,7 +93,7 @@ fail:
             if (r < 0) {
                 return true;
             }
-            bytesLeft -= r;
+            bytesLeft -= static_cast<size_t>(r);
             if (bytesLeft == 0) {
                 break;
             }
diff --git a/cmds/idmap/inspect.cpp b/cmds/idmap/inspect.cpp
index b9ac8a5..f6afc85 100644
--- a/cmds/idmap/inspect.cpp
+++ b/cmds/idmap/inspect.cpp
@@ -152,13 +152,13 @@ namespace {
             printe("failed to get resource name id=0x%08x\n", res_id);
             return UNKNOWN_ERROR;
         }
-        if (package) {
+        if (package != NULL) {
             *package = String8(String16(data.package, data.packageLen));
         }
-        if (type) {
+        if (type != NULL) {
             *type = String8(String16(data.type, data.typeLen));
         }
-        if (name) {
+        if (name != NULL) {
             *name = String8(String16(data.name, data.nameLen));
         }
         return NO_ERROR;
diff --git a/cmds/idmap/scan.cpp b/cmds/idmap/scan.cpp
index 1153f38..4f19a74 100644
--- a/cmds/idmap/scan.cpp
+++ b/cmds/idmap/scan.cpp
@@ -64,30 +64,6 @@ namespace {
         return String8(tmp);
     }
 
-    int mkdir_p(const String8& path, uid_t uid, gid_t gid)
-    {
-        static const mode_t mode =
-            S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | S_IXOTH;
-        struct stat st;
-
-        if (stat(path.string(), &st) == 0) {
-            return 0;
-        }
-        if (mkdir_p(path.getPathDir(), uid, gid) < 0) {
-            return -1;
-        }
-        if (mkdir(path.string(), 0755) != 0) {
-            return -1;
-        }
-        if (chown(path.string(), uid, gid) == -1) {
-            return -1;
-        }
-        if (chmod(path.string(), mode) == -1) {
-            return -1;
-        }
-        return 0;
-    }
-
     int parse_overlay_tag(const ResXMLTree& parser, const char *target_package_name)
     {
         const size_t N = parser.getAttributeCount();
@@ -98,7 +74,7 @@ namespace {
             String16 key(parser.getAttributeName(i, &len));
             if (key == String16("targetPackage")) {
                 const uint16_t *p = parser.getAttributeStringValue(i, &len);
-                if (p) {
+                if (p != NULL) {
                     target = String16(p, len);
                 }
             } else if (key == String16("priority")) {
@@ -164,7 +140,7 @@ namespace {
             return -1;
         }
         FileMap *dataMap = zip->createEntryFileMap(entry);
-        if (!dataMap) {
+        if (dataMap == NULL) {
             ALOGW("%s: failed to create FileMap\n", __FUNCTION__);
             return -1;
         }