Merge "Use -Werror in frameworks/base" am: 16fbd3a1d8 am: 0bfb717a37

am: 9f004b1752

Change-Id: I6517ee1689b0247caf830a6c3528bfa9bcf91f75

Android.bp

@@ -34,6 +34,11 @@ cc_library {
         include_dirs: ["external/protobuf/src"],
     },
 
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wno-unused-parameter",
+    ],
     target: {
         host: {
             proto: {

cmds/am/Android.bp

@@ -4,6 +4,7 @@
 cc_library_host_static {
     name: "libinstrumentation",
     srcs: ["**/*.proto"],
+    cflags: ["-Wall", "-Werror"],
     proto: {
         type: "full",
         export_proto_headers: true,

tools/bit/Android.bp

@@ -30,6 +30,11 @@ cc_binary_host {
         "util.cpp",
     ],
 
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
     static_libs: [
         "libexpat",
         "libinstrumentation",

tools/bit/adb.cpp

@@ -302,7 +302,9 @@ run_instrumentation_test(const string& packageName, const string& runner, const
     print_command(cmd);
 
     int fds[2];
-    pipe(fds);
+    if (0 != pipe(fds)) {
+        return errno;
+    }
 
     pid_t pid = fork();
 

tools/bit/command.cpp

@@ -105,7 +105,9 @@ get_command_output(const Command& command, int* err, bool quiet)
     }
 
     int fds[2];
-    pipe(fds);
+    if (0 != pipe(fds)) {
+        return string();
+    }
 
     pid_t pid = fork();
 

tools/bit/main.cpp

@@ -596,6 +596,15 @@ check_device_property(const string& property, const string& expected)
     }
 }
 
+static void
+chdir_or_exit(const char *path) {
+    // TODO: print_command("cd", path);
+    if (0 != chdir(path)) {
+        print_error("Error: Could not chdir: %s", path);
+        exit(1);
+    }
+}
+
 /**
  * Run the build, install, and test actions.
  */
@@ -618,8 +627,7 @@ run_phases(vector<Target*> targets, const Options& options)
     const string buildId = get_build_var(buildTop, "BUILD_ID", false);
     const string buildOut = get_out_dir();
 
-    // TODO: print_command("cd", buildTop.c_str());
+    chdir_or_exit(buildTop.c_str());
-    chdir(buildTop.c_str());
 
     // Get the modules for the targets
     map<string,Module> modules;
@@ -999,7 +1007,7 @@ run_tab_completion(const string& word)
     const string buildProduct = get_required_env("TARGET_PRODUCT", false);
     const string buildOut = get_out_dir();
 
-    chdir(buildTop.c_str());
+    chdir_or_exit(buildTop.c_str());
 
     string buildDevice = sniff_device_name(buildOut, buildProduct);
 

tools/bit/util.cpp

@@ -101,7 +101,6 @@ TrackedFile::HasChanged() const
 void
 get_directory_contents(const string& name, map<string,FileInfo>* results)
 {
-    int err;
     DIR* dir = opendir(name.c_str());
     if (dir == NULL) {
         return;
@@ -241,7 +240,9 @@ read_file(const string& filename)
     fseek(file, 0, SEEK_SET);
 
     char* buf = (char*)malloc(size);
-    fread(buf, 1, size, file);
+    if ((size_t) size != fread(buf, 1, size, file)) {
+        return string();
+    }
 
     string result(buf, size);
 

tools/incident_report/Android.bp

@@ -31,5 +31,5 @@ cc_binary_host {
         "libprotobuf-cpp-full",
     ],
 
-    cflags: ["-Wno-unused-parameter"],
+    cflags: ["-Wall", "-Werror"],
 }

tools/incident_report/printer.cpp

@@ -70,7 +70,6 @@ Out::printf(const char* format, ...)
 
     len = vsnprintf(mBuf, mBufSize, format, args);
     va_end(args);
-    bool truncated = (len >= mBufSize) && (reallocate(len) < len);
 
     va_start(args, format);
     len = vsnprintf(mBuf, mBufSize, format, args);

tools/incident_section_gen/Android.bp

@@ -22,6 +22,8 @@ cc_binary_host {
     cflags: [
         "-g",
         "-O0",
+        "-Wall",
+        "-Werror",
     ],
     srcs: ["main.cpp"],
     shared_libs: [