diff --git a/adb/Android.mk b/adb/Android.mk
index adad69f..1749c62 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -17,14 +17,14 @@
 # small by moving common files into a static library. Hopefully some day we can
 # get enough of adb in here that we no longer need minadb. https://b/17626262
 LIBADB_SRC_FILES := \
-    adb.c \
-    adb_auth.c \
+    adb.cpp \
+    adb_auth.cpp \
     adb_io.cpp \
-    adb_listeners.c \
-    sockets.c \
-    transport.c \
-    transport_local.c \
-    transport_usb.c \
+    adb_listeners.cpp \
+    sockets.cpp \
+    transport.cpp \
+    transport_local.cpp \
+    transport_usb.cpp \
 
 LIBADB_CFLAGS := \
     -Wall -Werror \
@@ -32,9 +32,20 @@
     -Wno-missing-field-initializers \
     -fvisibility=hidden \
 
-LIBADB_darwin_SRC_FILES := fdevent.cpp get_my_path_darwin.c usb_osx.c
-LIBADB_linux_SRC_FILES := fdevent.cpp get_my_path_linux.c usb_linux.c
-LIBADB_windows_SRC_FILES := get_my_path_windows.c sysdeps_win32.c usb_windows.c
+LIBADB_darwin_SRC_FILES := \
+    fdevent.cpp \
+    get_my_path_darwin.c \
+    usb_osx.c \
+
+LIBADB_linux_SRC_FILES := \
+    fdevent.cpp \
+    get_my_path_linux.cpp \
+    usb_linux.cpp \
+
+LIBADB_windows_SRC_FILES := \
+    get_my_path_windows.cpp \
+    sysdeps_win32.c \
+    usb_windows.cpp \
 
 include $(CLEAR_VARS)
 LOCAL_CLANG := $(ADB_CLANG)
@@ -42,10 +53,10 @@
 LOCAL_CFLAGS := $(LIBADB_CFLAGS) -DADB_HOST=0
 LOCAL_SRC_FILES := \
     $(LIBADB_SRC_FILES) \
-    adb_auth_client.c \
+    adb_auth_client.cpp \
     fdevent.cpp \
-    jdwp_service.c \
-    qemu_tracing.c \
+    jdwp_service.cpp \
+    qemu_tracing.cpp \
     usb_linux_client.c \
 
 include $(BUILD_STATIC_LIBRARY)
@@ -57,7 +68,7 @@
 LOCAL_SRC_FILES := \
     $(LIBADB_SRC_FILES) \
     $(LIBADB_$(HOST_OS)_SRC_FILES) \
-    adb_auth_host.c \
+    adb_auth_host.cpp \
 
 # Even though we're building a static library (and thus there's no link step for
 # this to take effect), this adds the SSL includes to our path.
@@ -86,7 +97,7 @@
 LOCAL_CLANG := $(ADB_CLANG)
 LOCAL_MODULE := adb_test
 LOCAL_CFLAGS := -DADB_HOST=1 $(LIBADB_CFLAGS)
-LOCAL_SRC_FILES := $(LIBADB_TEST_SRCS) services.c
+LOCAL_SRC_FILES := $(LIBADB_TEST_SRCS) services.cpp
 LOCAL_SHARED_LIBRARIES := liblog
 LOCAL_STATIC_LIBRARIES := \
     libadb \
@@ -126,16 +137,12 @@
 LOCAL_CLANG := $(ADB_CLANG)
 
 LOCAL_SRC_FILES := \
-	adb_main.c \
-	console.c \
-	commandline.c \
-	adb_client.c \
-	services.c \
-	file_sync_client.c \
-
-ifneq ($(USE_SYSDEPS_WIN32),)
-  LOCAL_SRC_FILES += sysdeps_win32.c
-endif
+    adb_main.cpp \
+    console.cpp \
+    commandline.cpp \
+    adb_client.cpp \
+    services.cpp \
+    file_sync_client.cpp \
 
 LOCAL_CFLAGS += \
     -Wall -Werror \
@@ -153,7 +160,7 @@
     $(EXTRA_STATIC_LIBS) \
 
 ifeq ($(USE_SYSDEPS_WIN32),)
-	LOCAL_STATIC_LIBRARIES += libcutils
+    LOCAL_STATIC_LIBRARIES += libcutils
 endif
 
 LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
@@ -176,19 +183,19 @@
 LOCAL_CLANG := $(ADB_CLANG)
 
 LOCAL_SRC_FILES := \
-	adb_main.c \
-	services.c \
-	file_sync_service.c \
-	framebuffer_service.c \
-	remount_service.c \
-	set_verity_enable_state_service.c \
+    adb_main.cpp \
+    services.cpp \
+    file_sync_service.cpp \
+    framebuffer_service.cpp \
+    remount_service.cpp \
+    set_verity_enable_state_service.cpp \
 
 LOCAL_CFLAGS := \
-	-O2 \
-	-g \
-	-DADB_HOST=0 \
-	-D_GNU_SOURCE \
-	-Wall -Wno-unused-parameter -Werror -Wno-deprecated-declarations \
+    -DADB_HOST=0 \
+    -D_GNU_SOURCE \
+    -Wall -Werror \
+    -Wno-unused-parameter \
+    -Wno-deprecated-declarations \
 
 ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
 LOCAL_CFLAGS += -DALLOW_ADBD_ROOT=1
diff --git a/adb/adb.c b/adb/adb.cpp
similarity index 97%
rename from adb/adb.c
rename to adb/adb.cpp
index 5f244a5..ffa93f4 100644
--- a/adb/adb.c
+++ b/adb/adb.cpp
@@ -140,10 +140,13 @@
     }
 }
 
-apacket *get_apacket(void)
+apacket* get_apacket(void)
 {
-    apacket *p = malloc(sizeof(apacket));
-    if(p == 0) fatal("failed to allocate an apacket");
+    apacket* p = reinterpret_cast<apacket*>(malloc(sizeof(apacket)));
+    if (p == nullptr) {
+      fatal("failed to allocate an apacket");
+    }
+
     memset(p, 0, sizeof(apacket) - MAX_PAYLOAD);
     return p;
 }
@@ -293,7 +296,7 @@
 }
 
 #if ADB_HOST
-static char *connection_state_name(atransport *t)
+static const char* connection_state_name(atransport *t)
 {
     if (t == NULL) {
         return "unknown";
@@ -713,8 +716,8 @@
         // Create the list of forward redirections.
         int buffer_size = format_listeners(NULL, 0);
         // Add one byte for the trailing zero.
-        char* buffer = malloc(buffer_size + 1);
-        if (buffer == NULL) {
+        char* buffer = reinterpret_cast<char*>(malloc(buffer_size + 1));
+        if (buffer == nullptr) {
             sendfailmsg(reply_fd, "not enough memory");
             return 1;
         }
@@ -740,7 +743,7 @@
 
     if (!strncmp(service, "forward:",8) ||
         !strncmp(service, "killforward:",12)) {
-        char *local, *remote, *err;
+        char *local, *remote;
         int r;
         atransport *transport;
 
@@ -777,6 +780,7 @@
             }
         }
 
+        const char* err;
         transport = acquire_one_transport(CS_ANY, ttype, serial, &err);
         if (!transport) {
             sendfailmsg(reply_fd, err);
@@ -835,7 +839,6 @@
     // "transport-local:" is used for switching transport to the only local transport
     // "transport-any:" is used for switching transport to the only transport
     if (!strncmp(service, "transport", strlen("transport"))) {
-        char* error_string = "unknown failure";
         transport_type type = kTransportAny;
 
         if (!strncmp(service, "transport-usb", strlen("transport-usb"))) {
@@ -849,6 +852,7 @@
             serial = service;
         }
 
+        const char* error_string = "unknown failure";
         transport = acquire_one_transport(CS_ANY, type, serial, &error_string);
 
         if (transport) {
@@ -911,8 +915,8 @@
     }
 
     if(!strncmp(service,"get-serialno",strlen("get-serialno"))) {
-        char *out = "unknown";
-         transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
+        const char *out = "unknown";
+        transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
        if (transport && transport->serial) {
             out = transport->serial;
         }
@@ -920,8 +924,8 @@
         return 0;
     }
     if(!strncmp(service,"get-devpath",strlen("get-devpath"))) {
-        char *out = "unknown";
-         transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
+        const char *out = "unknown";
+        transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
        if (transport && transport->devpath) {
             out = transport->devpath;
         }
@@ -938,7 +942,7 @@
 
     if(!strncmp(service,"get-state",strlen("get-state"))) {
         transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
-        char *state = connection_state_name(transport);
+        const char *state = connection_state_name(transport);
         send_msg_with_okay(reply_fd, state, strlen(state));
         return 0;
     }
diff --git a/adb/adb.h b/adb/adb.h
index 9a68871..1aeac6b 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -239,8 +239,8 @@
     fdevent fde;
     int fd;
 
-    const char *local_name;
-    const char *connect_to;
+    char *local_name;
+    char *connect_to;
     atransport *transport;
     adisconnect  disconnect;
 };
@@ -348,7 +348,7 @@
 int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol);
 #endif
 
-int adb_commandline(int argc, char **argv);
+int adb_commandline(int argc, const char **argv);
 
 int connection_state(atransport *t);
 
diff --git a/adb/adb_auth.c b/adb/adb_auth.cpp
similarity index 100%
rename from adb/adb_auth.c
rename to adb/adb_auth.cpp
diff --git a/adb/adb_auth.h b/adb/adb_auth.h
index cece5e3..1487287 100644
--- a/adb/adb_auth.h
+++ b/adb/adb_auth.h
@@ -40,7 +40,8 @@
 
 #if ADB_HOST
 
-int adb_auth_sign(void *key, void *token, size_t token_size, void *sig);
+int adb_auth_sign(void *key, const unsigned char* token, size_t token_size,
+                  unsigned char* sig);
 void *adb_auth_nextkey(void *current);
 int adb_auth_get_userkey(unsigned char *data, size_t len);
 
@@ -50,12 +51,15 @@
 
 #else // !ADB_HOST
 
-static inline int adb_auth_sign(void* key, void *token, size_t token_size, void *sig) { return 0; }
+static inline int adb_auth_sign(void* key, const unsigned char* token,
+                                size_t token_size, unsigned char* sig) {
+    return 0;
+}
 static inline void *adb_auth_nextkey(void *current) { return NULL; }
 static inline int adb_auth_get_userkey(unsigned char *data, size_t len) { return 0; }
 
 int adb_auth_generate_token(void *token, size_t token_size);
-int adb_auth_verify(void *token, void *sig, int siglen);
+int adb_auth_verify(uint8_t* token, uint8_t* sig, int siglen);
 void adb_auth_confirm_key(unsigned char *data, size_t len, atransport *t);
 
 #endif // ADB_HOST
diff --git a/adb/adb_auth_client.c b/adb/adb_auth_client.cpp
similarity index 93%
rename from adb/adb_auth_client.c
rename to adb/adb_auth_client.cpp
index 7be883c..deb0a5d 100644
--- a/adb/adb_auth_client.c
+++ b/adb/adb_auth_client.cpp
@@ -37,7 +37,7 @@
     RSAPublicKey key;
 };
 
-static char *key_paths[] = {
+static const char *key_paths[] = {
     "/adb_keys",
     "/data/misc/adb/adb_keys",
     NULL
@@ -53,7 +53,6 @@
 
 static void read_keys(const char *file, struct listnode *list)
 {
-    struct adb_public_key *key;
     FILE *f;
     char buf[MAX_PAYLOAD];
     char *sep;
@@ -67,8 +66,9 @@
 
     while (fgets(buf, sizeof(buf), f)) {
         /* Allocate 4 extra bytes to decode the base64 data in-place */
-        key = calloc(1, sizeof(*key) + 4);
-        if (!key) {
+        auto key = reinterpret_cast<adb_public_key*>(
+            calloc(1, sizeof(adb_public_key) + 4));
+        if (key == nullptr) {
             D("Can't malloc key\n");
             break;
         }
@@ -109,8 +109,8 @@
 
 static void load_keys(struct listnode *list)
 {
-    char *path;
-    char **paths = key_paths;
+    const char* path;
+    const char** paths = key_paths;
     struct stat buf;
 
     list_init(list);
@@ -138,10 +138,9 @@
     return ret * token_size;
 }
 
-int adb_auth_verify(void *token, void *sig, int siglen)
+int adb_auth_verify(uint8_t* token, uint8_t* sig, int siglen)
 {
     struct listnode *item;
-    struct adb_public_key *key;
     struct listnode key_list;
     int ret = 0;
 
@@ -151,7 +150,7 @@
     load_keys(&key_list);
 
     list_for_each(item, &key_list) {
-        key = node_to_item(item, struct adb_public_key, node);
+        adb_public_key* key = node_to_item(item, struct adb_public_key, node);
         ret = RSA_verify(&key->key, sig, siglen, token, SHA_DIGEST_SIZE);
         if (ret)
             break;
diff --git a/adb/adb_auth_host.c b/adb/adb_auth_host.cpp
similarity index 91%
rename from adb/adb_auth_host.c
rename to adb/adb_auth_host.cpp
index 1d48667..aba23d4 100644
--- a/adb/adb_auth_host.c
+++ b/adb/adb_auth_host.cpp
@@ -157,7 +157,7 @@
     RSAPublicKey pkey;
     FILE *outfile = NULL;
     char path[PATH_MAX], info[MAX_PAYLOAD];
-    uint8_t *encoded = NULL;
+    uint8_t* encoded = nullptr;
     size_t encoded_length;
     int ret = 0;
 
@@ -191,8 +191,8 @@
     encoded_length = 1 + ((sizeof(pkey) + 2) / 3 * 4);
 #endif
 
-    encoded = malloc(encoded_length);
-    if (encoded == NULL) {
+    encoded = reinterpret_cast<uint8_t*>(malloc(encoded_length));
+    if (encoded == nullptr) {
         D("Allocation failure");
         goto out;
     }
@@ -272,18 +272,16 @@
 
 static int read_key(const char *file, struct listnode *list)
 {
-    struct adb_private_key *key;
-    FILE *f;
-
     D("read_key '%s'\n", file);
 
-    f = fopen(file, "r");
+    FILE* f = fopen(file, "r");
     if (!f) {
         D("Failed to open '%s'\n", file);
         return 0;
     }
 
-    key = malloc(sizeof(*key));
+    adb_private_key* key = reinterpret_cast<adb_private_key*>(
+        malloc(sizeof(adb_private_key)));
     if (!key) {
         D("Failed to alloc key\n");
         fclose(f);
@@ -390,7 +388,8 @@
     }
 }
 
-int adb_auth_sign(void *node, void *token, size_t token_size, void *sig)
+int adb_auth_sign(void *node, const unsigned char* token, size_t token_size,
+                  unsigned char* sig)
 {
     unsigned int len;
     struct adb_private_key *key = node_to_item(node, struct adb_private_key, node);
@@ -433,31 +432,33 @@
 int adb_auth_get_userkey(unsigned char *data, size_t len)
 {
     char path[PATH_MAX];
-    char *file;
-    int ret;
-
-    ret = get_user_keyfilepath(path, sizeof(path) - 4);
+    int ret = get_user_keyfilepath(path, sizeof(path) - 4);
     if (ret < 0 || ret >= (signed)(sizeof(path) - 4)) {
         D("Error getting user key filename");
         return 0;
     }
     strcat(path, ".pub");
 
-    file = load_file(path, (unsigned*)&ret);
-    if (!file) {
+    // TODO(danalbert): ReadFileToString
+    unsigned size;
+    char* file_data = reinterpret_cast<char*>(load_file(path, &size));
+    if (file_data == nullptr) {
         D("Can't load '%s'\n", path);
         return 0;
     }
 
-    if (len < (size_t)(ret + 1)) {
-        D("%s: Content too large ret=%d\n", path, ret);
+    if (len < (size_t)(size + 1)) {
+        D("%s: Content too large ret=%d\n", path, size);
+        free(file_data);
         return 0;
     }
 
-    memcpy(data, file, ret);
-    data[ret] = '\0';
+    memcpy(data, file_data, size);
+    free(file_data);
+    file_data = nullptr;
+    data[size] = '\0';
 
-    return ret + 1;
+    return size + 1;
 }
 
 int adb_auth_keygen(const char* filename) {
diff --git a/adb/adb_client.c b/adb/adb_client.cpp
similarity index 98%
rename from adb/adb_client.c
rename to adb/adb_client.cpp
index 5d2bbd7..d677db8 100644
--- a/adb/adb_client.c
+++ b/adb/adb_client.cpp
@@ -115,7 +115,7 @@
     if (__adb_serial)
         snprintf(service, sizeof service, "host:transport:%s", __adb_serial);
     else {
-        char* transport_type = "???";
+        const char* transport_type = "???";
 
          switch (__adb_transport) {
             case kTransportUsb:
@@ -328,8 +328,8 @@
 char *adb_query(const char *service)
 {
     char buf[5];
-    unsigned n;
-    char *tmp;
+    unsigned long n;
+    char* tmp;
 
     D("adb_query: %s\n", service);
     int fd = adb_connect(service);
@@ -347,7 +347,7 @@
         goto oops;
     }
 
-    tmp = malloc(n + 1);
+    tmp = reinterpret_cast<char*>(malloc(n + 1));
     if(tmp == 0) goto oops;
 
     if(!ReadFdExactly(fd, tmp, n) == 0) {
diff --git a/adb/adb_client.h b/adb/adb_client.h
index 6ba3b38..9af176f 100644
--- a/adb/adb_client.h
+++ b/adb/adb_client.h
@@ -47,7 +47,7 @@
  * is zero, or more than one emulator connected (or if you use -s <serial>
  * with a <serial> that does not designate an emulator)
  */
-int  adb_send_emulator_command(int  argc, char**  argv);
+int  adb_send_emulator_command(int  argc, const char**  argv);
 
 /* return verbose error string from last operation */
 const char *adb_error(void);
diff --git a/adb/adb_io.cpp b/adb/adb_io.cpp
index ca208ad..4dd9f4d 100644
--- a/adb/adb_io.cpp
+++ b/adb/adb_io.cpp
@@ -33,7 +33,7 @@
 
     D("readx: fd=%d wanted=%zu\n", fd, len);
     while (len > 0) {
-        int r = TEMP_FAILURE_RETRY(adb_read(fd, p, len));
+        int r = adb_read(fd, p, len);
         if (r > 0) {
             len -= r;
             p += r;
@@ -69,7 +69,7 @@
 #endif
 
     while (len > 0) {
-        r = TEMP_FAILURE_RETRY(adb_write(fd, p, len));
+        r = adb_write(fd, p, len);
         if (r == -1) {
             D("writex: fd=%d error %d: %s\n", fd, errno, strerror(errno));
             if (errno == EAGAIN) {
diff --git a/adb/adb_listeners.c b/adb/adb_listeners.cpp
similarity index 76%
rename from adb/adb_listeners.c
rename to adb/adb_listeners.cpp
index f68b876..84b9c64 100644
--- a/adb/adb_listeners.c
+++ b/adb/adb_listeners.cpp
@@ -54,24 +54,26 @@
     }
 }
 
-void listener_event_func(int _fd, unsigned ev, void *_l)
+void listener_event_func(int _fd, unsigned ev, void* _l)
 {
-    alistener *l = _l;
+    alistener* listener = reinterpret_cast<alistener*>(_l);
     asocket *s;
 
-    if(ev & FDE_READ) {
+    if (ev & FDE_READ) {
         struct sockaddr addr;
         socklen_t alen;
         int fd;
 
         alen = sizeof(addr);
         fd = adb_socket_accept(_fd, &addr, &alen);
-        if(fd < 0) return;
+        if (fd < 0) {
+            return;
+        }
 
         s = create_local_socket(fd);
-        if(s) {
-            s->transport = l->transport;
-            connect_to_remote(s, l->connect_to);
+        if (s) {
+            s->transport = listener->transport;
+            connect_to_remote(s, listener->connect_to);
             return;
         }
 
@@ -102,11 +104,9 @@
     free(l);
 }
 
-void listener_disconnect(void*  _l, atransport*  t)
+void listener_disconnect(void* listener, atransport*  t)
 {
-    alistener*  l = _l;
-
-    free_listener(l);
+    free_listener(reinterpret_cast<alistener*>(listener));
 }
 
 int local_name_to_fd(const char *name)
@@ -220,20 +220,16 @@
                                   atransport* transport,
                                   int no_rebind)
 {
-    alistener *l;
+    for (alistener* l = listener_list.next; l != &listener_list; l = l->next) {
+        if (strcmp(local_name, l->local_name) == 0) {
+            char* cto;
 
-    //printf("install_listener('%s','%s')\n", local_name, connect_to);
-
-    for(l = listener_list.next; l != &listener_list; l = l->next){
-        if(strcmp(local_name, l->local_name) == 0) {
-            char *cto;
-
-                /* can't repurpose a smartsocket */
+            /* can't repurpose a smartsocket */
             if(l->connect_to[0] == '*') {
                 return INSTALL_STATUS_INTERNAL_ERROR;
             }
 
-                /* can't repurpose a listener if 'no_rebind' is true */
+            /* can't repurpose a listener if 'no_rebind' is true */
             if (no_rebind) {
                 return INSTALL_STATUS_CANNOT_REBIND;
             }
@@ -243,7 +239,6 @@
                 return INSTALL_STATUS_INTERNAL_ERROR;
             }
 
-            //printf("rebinding '%s' to '%s'\n", local_name, connect_to);
             free((void*) l->connect_to);
             l->connect_to = cto;
             if (l->transport != transport) {
@@ -255,38 +250,51 @@
         }
     }
 
-    if((l = calloc(1, sizeof(alistener))) == 0) goto nomem;
-    if((l->local_name = strdup(local_name)) == 0) goto nomem;
-    if((l->connect_to = strdup(connect_to)) == 0) goto nomem;
+    alistener* listener = reinterpret_cast<alistener*>(
+        calloc(1, sizeof(alistener)));
+    if (listener == nullptr) {
+        goto nomem;
+    }
 
+    listener->local_name = strdup(local_name);
+    if (listener->local_name == nullptr) {
+        goto nomem;
+    }
 
-    l->fd = local_name_to_fd(local_name);
-    if(l->fd < 0) {
-        free((void*) l->local_name);
-        free((void*) l->connect_to);
-        free(l);
+    listener->connect_to = strdup(connect_to);
+    if (listener->connect_to == nullptr) {
+        goto nomem;
+    }
+
+    listener->fd = local_name_to_fd(local_name);
+    if (listener->fd < 0) {
+        free(listener->local_name);
+        free(listener->connect_to);
+        free(listener);
         printf("cannot bind '%s'\n", local_name);
-        return -2;
+        return INSTALL_STATUS_CANNOT_BIND;
     }
 
-    close_on_exec(l->fd);
-    if(!strcmp(l->connect_to, "*smartsocket*")) {
-        fdevent_install(&l->fde, l->fd, ss_listener_event_func, l);
+    close_on_exec(listener->fd);
+    if (!strcmp(listener->connect_to, "*smartsocket*")) {
+        fdevent_install(&listener->fde, listener->fd, ss_listener_event_func,
+                        listener);
     } else {
-        fdevent_install(&l->fde, l->fd, listener_event_func, l);
+        fdevent_install(&listener->fde, listener->fd, listener_event_func,
+                        listener);
     }
-    fdevent_set(&l->fde, FDE_READ);
+    fdevent_set(&listener->fde, FDE_READ);
 
-    l->next = &listener_list;
-    l->prev = listener_list.prev;
-    l->next->prev = l;
-    l->prev->next = l;
-    l->transport = transport;
+    listener->next = &listener_list;
+    listener->prev = listener_list.prev;
+    listener->next->prev = listener;
+    listener->prev->next = listener;
+    listener->transport = transport;
 
     if (transport) {
-        l->disconnect.opaque = l;
-        l->disconnect.func   = listener_disconnect;
-        add_transport_disconnect(transport, &l->disconnect);
+        listener->disconnect.opaque = listener;
+        listener->disconnect.func   = listener_disconnect;
+        add_transport_disconnect(transport, &listener->disconnect);
     }
     return INSTALL_STATUS_OK;
 
diff --git a/adb/adb_main.c b/adb/adb_main.cpp
similarity index 98%
rename from adb/adb_main.c
rename to adb/adb_main.cpp
index f8475c7..b0816ce 100644
--- a/adb/adb_main.c
+++ b/adb/adb_main.cpp
@@ -387,7 +387,7 @@
     adb_sysdeps_init();
     adb_trace_init();
     D("Handling commandline()\n");
-    return adb_commandline(argc - 1, argv + 1);
+    return adb_commandline(argc - 1, const_cast<const char**>(argv + 1));
 #else
     /* If adbd runs inside the emulator this will enable adb tracing via
      * adb-debug qemud service in the emulator. */
diff --git a/adb/commandline.c b/adb/commandline.cpp
similarity index 95%
rename from adb/commandline.c
rename to adb/commandline.cpp
index a8ad7bd..ecaab83 100644
--- a/adb/commandline.c
+++ b/adb/commandline.cpp
@@ -40,31 +40,30 @@
 #include "adb_io.h"
 #include "file_sync_service.h"
 
-static int do_cmd(transport_type ttype, char* serial, char *cmd, ...);
+static int do_cmd(transport_type ttype, const char* serial, const char *cmd, ...);
 
-void get_my_path(char *s, size_t maxLen);
 int find_sync_dirs(const char *srcarg,
         char **android_srcdir_out, char **data_srcdir_out, char **vendor_srcdir_out);
-int install_app(transport_type transport, char* serial, int argc, char** argv);
-int install_multiple_app(transport_type transport, char* serial, int argc, char** argv);
-int uninstall_app(transport_type transport, char* serial, int argc, char** argv);
+int install_app(transport_type transport, const char* serial, int argc,
+                const char** argv);
+int install_multiple_app(transport_type transport, const char* serial, int argc,
+                         const char** argv);
+int uninstall_app(transport_type transport, const char* serial, int argc,
+                  const char** argv);
 
 static const char *gProductOutPath = NULL;
 extern int gListenAll;
 
 static char *product_file(const char *extra)
 {
-    int n;
-    char *x;
-
     if (gProductOutPath == NULL) {
         fprintf(stderr, "adb: Product directory not specified; "
                 "use -p or define ANDROID_PRODUCT_OUT\n");
         exit(1);
     }
 
-    n = strlen(gProductOutPath) + strlen(extra) + 2;
-    x = malloc(n);
+    int n = strlen(gProductOutPath) + strlen(extra) + 2;
+    char* x = reinterpret_cast<char*>(malloc(n));
     if (x == 0) {
         fprintf(stderr, "adb: Out of memory (product_file())\n");
         exit(1);
@@ -422,7 +421,6 @@
 {
     adb_thread_t thr;
     int fdi, fd;
-    int *fds;
 
     fd = adb_connect("shell:");
     if(fd < 0) {
@@ -431,7 +429,7 @@
     }
     fdi = 0; //dup(0);
 
-    fds = malloc(sizeof(int) * 2);
+    int* fds = reinterpret_cast<int*>(malloc(sizeof(int) * 2));
     fds[0] = fd;
     fds[1] = fdi;
 
@@ -464,7 +462,6 @@
     char buf[4096];
     unsigned total;
     int fd;
-    const unsigned char *ptr;
 
     sprintf(buf,"%s:%d", service, sz);
     fd = adb_connect(buf);
@@ -477,7 +474,7 @@
     opt = adb_setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (const void *) &opt, sizeof(opt));
 
     total = sz;
-    ptr = data;
+    const uint8_t* ptr = reinterpret_cast<const uint8_t*>(data);
 
     if(progress) {
         char *x = strrchr(service, ':');
@@ -557,14 +554,15 @@
  *   we hang up.
  */
 int adb_sideload_host(const char* fn) {
-    uint8_t* data;
     unsigned sz;
     size_t xfer = 0;
     int status;
+    int last_percent = -1;
+    int opt = SIDELOAD_HOST_BLOCK_SIZE;
 
     printf("loading: '%s'", fn);
     fflush(stdout);
-    data = load_file(fn, &sz);
+    uint8_t* data = reinterpret_cast<uint8_t*>(load_file(fn, &sz));
     if (data == 0) {
         printf("\n");
         fprintf(stderr, "* cannot read '%s' *\n", fn);
@@ -582,10 +580,8 @@
         goto done;
     }
 
-    int opt = SIDELOAD_HOST_BLOCK_SIZE;
     opt = adb_setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (const void *) &opt, sizeof(opt));
 
-    int last_percent = -1;
     for (;;) {
         if (!ReadFdExactly(fd, buf, 8)) {
             fprintf(stderr, "* failed to read command: %s\n", adb_error());
@@ -739,13 +735,12 @@
  * ppp dev:/dev/omap_csmi_tty0 <ppp options>
  *
  */
-int ppp(int argc, char **argv)
+int ppp(int argc, const char **argv)
 {
 #if defined(_WIN32)
     fprintf(stderr, "error: adb %s not implemented on Win32\n", argv[0]);
     return -1;
 #else
-    char *adb_service_name;
     pid_t pid;
     int fd;
 
@@ -756,8 +751,7 @@
         return 1;
     }
 
-    adb_service_name = argv[1];
-
+    const char* adb_service_name = argv[1];
     fd = adb_connect(adb_service_name);
 
     if(fd < 0) {
@@ -807,7 +801,8 @@
 #endif /* !defined(_WIN32) */
 }
 
-static int send_shellcommand(transport_type transport, char* serial, char* buf)
+static int send_shellcommand(transport_type transport, const char* serial,
+                             char* buf)
 {
     int fd, ret;
 
@@ -828,7 +823,8 @@
     return ret;
 }
 
-static int logcat(transport_type transport, char* serial, int argc, char **argv)
+static int logcat(transport_type transport, const char* serial, int argc,
+                  const char** argv)
 {
     char buf[4096];
 
@@ -877,7 +873,7 @@
     return 0;
 }
 
-static int backup(int argc, char** argv) {
+static int backup(int argc, const char** argv) {
     char buf[4096];
     char default_name[32];
     const char* filename = strcpy(default_name, "./backup.ab");
@@ -933,7 +929,7 @@
     return 0;
 }
 
-static int restore(int argc, char** argv) {
+static int restore(int argc, const char** argv) {
     const char* filename;
     int fd, tarFd;
 
@@ -1102,8 +1098,9 @@
     return path_buf;
 }
 
-static void parse_push_pull_args(char **arg, int narg, char const **path1, char const **path2,
-                                 int *show_progress, int *copy_attrs) {
+static void parse_push_pull_args(const char **arg, int narg, char const **path1,
+                                 char const **path2, int *show_progress,
+                                 int *copy_attrs) {
     *show_progress = 0;
     *copy_attrs = 0;
 
@@ -1130,7 +1127,7 @@
     }
 }
 
-int adb_commandline(int argc, char **argv)
+int adb_commandline(int argc, const char **argv)
 {
     char buf[4096];
     int no_daemon = 0;
@@ -1139,8 +1136,8 @@
     int persist = 0;
     int r;
     transport_type ttype = kTransportAny;
-    char* serial = NULL;
-    char* server_port_str = NULL;
+    const char* serial = NULL;
+    const char* server_port_str = NULL;
 
         /* If defined, this should be an absolute path to
          * the directory containing all of the various system images
@@ -1274,7 +1271,7 @@
 
     /* handle wait-for-* prefix */
     if (!strncmp(argv[0], "wait-for-", strlen("wait-for-"))) {
-        char* service = argv[0];
+        const char* service = argv[0];
         if (!strncmp(service, "wait-for-device", strlen("wait-for-device"))) {
             if (ttype == kTransportUsb) {
                 service = "wait-for-usb";
@@ -1308,7 +1305,7 @@
     /* adb_connect() commands */
     if (!strcmp(argv[0], "devices")) {
         char *tmp;
-        char *listopt;
+        const char *listopt;
         if (argc < 2)
             listopt = "";
         else if (argc == 2 && !strcmp(argv[1], "-l"))
@@ -1635,7 +1632,8 @@
         return uninstall_app(ttype, serial, argc, argv);
     }
     else if (!strcmp(argv[0], "sync")) {
-        char *srcarg, *android_srcpath, *data_srcpath, *vendor_srcpath;
+        const char* srcarg;
+        char *android_srcpath, *data_srcpath, *vendor_srcpath;
         int listonly = 0;
 
         int ret;
@@ -1736,9 +1734,9 @@
 }
 
 #define MAX_ARGV_LENGTH 16
-static int do_cmd(transport_type ttype, char* serial, char *cmd, ...)
+static int do_cmd(transport_type ttype, const char* serial, const char *cmd, ...)
 {
-    char *argv[MAX_ARGV_LENGTH];
+    const char *argv[MAX_ARGV_LENGTH];
     int argc;
     va_list ap;
 
@@ -1818,8 +1816,8 @@
     return 0;
 }
 
-static int pm_command(transport_type transport, char* serial,
-                      int argc, char** argv)
+static int pm_command(transport_type transport, const char* serial,
+                      int argc, const char** argv)
 {
     char buf[4096];
 
@@ -1836,7 +1834,8 @@
     return 0;
 }
 
-int uninstall_app(transport_type transport, char* serial, int argc, char** argv)
+int uninstall_app(transport_type transport, const char* serial, int argc,
+                  const char** argv)
 {
     /* if the user choose the -k option, we refuse to do it until devices are
        out with the option to uninstall the remaining data somehow (adb/ui) */
@@ -1854,7 +1853,7 @@
     return pm_command(transport, serial, argc, argv);
 }
 
-static int delete_file(transport_type transport, char* serial, char* filename)
+static int delete_file(transport_type transport, const char* serial, char* filename)
 {
     char buf[4096];
     char* quoted;
@@ -1879,7 +1878,8 @@
     }
 }
 
-int install_app(transport_type transport, char* serial, int argc, char** argv)
+int install_app(transport_type transport, const char* serial, int argc,
+                const char** argv)
 {
     static const char *const DATA_DEST = "/data/local/tmp/%s";
     static const char *const SD_DEST = "/sdcard/tmp/%s";
@@ -1897,7 +1897,7 @@
     // All other arguments passed through verbatim.
     int last_apk = -1;
     for (i = argc - 1; i >= 0; i--) {
-        char* file = argv[i];
+        const char* file = argv[i];
         char* dot = strrchr(file, '.');
         if (dot && !strcasecmp(dot, ".apk")) {
             if (stat(file, &sb) == -1 || !S_ISREG(sb.st_mode)) {
@@ -1915,7 +1915,7 @@
         return -1;
     }
 
-    char* apk_file = argv[last_apk];
+    const char* apk_file = argv[last_apk];
     char apk_dest[PATH_MAX];
     snprintf(apk_dest, sizeof apk_dest, where, get_basename(apk_file));
     int err = do_sync_push(apk_file, apk_dest, 0 /* no show progress */);
@@ -1932,7 +1932,8 @@
     return err;
 }
 
-int install_multiple_app(transport_type transport, char* serial, int argc, char** argv)
+int install_multiple_app(transport_type transport, const char* serial, int argc,
+                         const char** argv)
 {
     char buf[1024];
     int i;
@@ -1943,7 +1944,7 @@
     // All other arguments passed through verbatim.
     int first_apk = -1;
     for (i = argc - 1; i >= 0; i--) {
-        char* file = argv[i];
+        const char* file = argv[i];
         char* dot = strrchr(file, '.');
         if (dot && !strcasecmp(dot, ".apk")) {
             if (stat(file, &sb) == -1 || !S_ISREG(sb.st_mode)) {
@@ -1998,7 +1999,7 @@
     // Valid session, now stream the APKs
     int success = 1;
     for (i = first_apk; i < argc; i++) {
-        char* file = argv[i];
+        const char* file = argv[i];
         if (stat(file, &sb) == -1) {
             fprintf(stderr, "Failed to stat %s\n", file);
             success = 0;
diff --git a/adb/console.c b/adb/console.cpp
similarity index 93%
rename from adb/console.c
rename to adb/console.cpp
index b813d33..452ee41 100644
--- a/adb/console.c
+++ b/adb/console.cpp
@@ -24,7 +24,7 @@
 }
 
 
-int  adb_send_emulator_command(int  argc, char**  argv)
+int  adb_send_emulator_command(int  argc, const char**  argv)
 {
     int   fd, nn;
 
diff --git a/adb/file_sync_client.c b/adb/file_sync_client.cpp
similarity index 97%
rename from adb/file_sync_client.c
rename to adb/file_sync_client.cpp
index 3a0c666..8ce4ee2 100644
--- a/adb/file_sync_client.c
+++ b/adb/file_sync_client.cpp
@@ -580,7 +580,8 @@
     int ssize = slen + nlen + 2;
     int dsize = dlen + nlen + 2;
 
-    copyinfo *ci = malloc(sizeof(copyinfo) + ssize + dsize);
+    copyinfo *ci = reinterpret_cast<copyinfo*>(
+        malloc(sizeof(copyinfo) + ssize + dsize));
     if(ci == 0) {
         fprintf(stderr,"out of memory\n");
         abort();
@@ -684,14 +685,14 @@
     if((lpath[0] == 0) || (rpath[0] == 0)) return -1;
     if(lpath[strlen(lpath) - 1] != '/') {
         int  tmplen = strlen(lpath)+2;
-        char *tmp = malloc(tmplen);
+        char *tmp = reinterpret_cast<char*>(malloc(tmplen));
         if(tmp == 0) return -1;
         snprintf(tmp, tmplen, "%s/",lpath);
         lpath = tmp;
     }
     if(rpath[strlen(rpath) - 1] != '/') {
         int tmplen = strlen(rpath)+2;
-        char *tmp = malloc(tmplen);
+        char *tmp = reinterpret_cast<char*>(malloc(tmplen));
         if(tmp == 0) return -1;
         snprintf(tmp, tmplen, "%s/",rpath);
         rpath = tmp;
@@ -784,7 +785,8 @@
                 name++;
             }
             int  tmplen = strlen(name) + strlen(rpath) + 2;
-            char *tmp = malloc(strlen(name) + strlen(rpath) + 2);
+            char *tmp = reinterpret_cast<char*>(
+                malloc(strlen(name) + strlen(rpath) + 2));
             if(tmp == 0) return 1;
             snprintf(tmp, tmplen, "%s/%s", rpath, name);
             rpath = tmp;
@@ -872,7 +874,7 @@
     return 0;
 }
 
-static int set_time_and_mode(const char *lpath, unsigned int time, unsigned int mode)
+static int set_time_and_mode(const char *lpath, time_t time, unsigned int mode)
 {
     struct utimbuf times = { time, time };
     int r1 = utime(lpath, &times);
@@ -890,7 +892,7 @@
 {
     if (path[strlen(path) - 1] != '/') {
         size_t len = strlen(path) + 2;
-        char *path_with_slash = malloc(len);
+        char *path_with_slash = reinterpret_cast<char*>(malloc(len));
         if (path_with_slash == NULL)
             return NULL;
         snprintf(path_with_slash, len, "%s/", path);
@@ -999,7 +1001,7 @@
                     name++;
                 }
                 int  tmplen = strlen(name) + strlen(lpath) + 2;
-                char *tmp = malloc(tmplen);
+                char *tmp = reinterpret_cast<char*>(malloc(tmplen));
                 if(tmp == 0) return 1;
                 snprintf(tmp, tmplen, "%s/%s", lpath, name);
                 lpath = tmp;
diff --git a/adb/file_sync_service.c b/adb/file_sync_service.cpp
similarity index 98%
rename from adb/file_sync_service.c
rename to adb/file_sync_service.cpp
index d7d39ec..2864b38 100644
--- a/adb/file_sync_service.c
+++ b/adb/file_sync_service.cpp
@@ -420,7 +420,7 @@
     char name[1025];
     unsigned namelen;
 
-    char *buffer = malloc(SYNC_DATA_MAX);
+    char *buffer = reinterpret_cast<char*>(malloc(SYNC_DATA_MAX));
     if(buffer == 0) goto fail;
 
     for(;;) {
diff --git a/adb/framebuffer_service.c b/adb/framebuffer_service.cpp
similarity index 98%
rename from adb/framebuffer_service.c
rename to adb/framebuffer_service.cpp
index 9d17d2c..7baad8b 100644
--- a/adb/framebuffer_service.c
+++ b/adb/framebuffer_service.cpp
@@ -62,10 +62,11 @@
     int fd_screencap;
     int w, h, f;
     int fds[2];
+    pid_t pid;
 
     if (pipe2(fds, O_CLOEXEC) < 0) goto pipefail;
 
-    pid_t pid = fork();
+    pid = fork();
     if (pid < 0) goto done;
 
     if (pid == 0) {
diff --git a/adb/get_my_path_darwin.c b/adb/get_my_path_darwin.c
index ff1396c..b0c962e 100644
--- a/adb/get_my_path_darwin.c
+++ b/adb/get_my_path_darwin.c
@@ -17,6 +17,8 @@
 #import <Carbon/Carbon.h>
 #include <unistd.h>
 
+#include "adb.h"
+
 void get_my_path(char *s, size_t maxLen)
 {
     CFBundleRef mainBundle = CFBundleGetMainBundle();
diff --git a/adb/get_my_path_linux.c b/adb/get_my_path_linux.cpp
similarity index 97%
rename from adb/get_my_path_linux.c
rename to adb/get_my_path_linux.cpp
index 179c3dd..11c0b21 100644
--- a/adb/get_my_path_linux.c
+++ b/adb/get_my_path_linux.cpp
@@ -14,10 +14,12 @@
  * limitations under the License.
  */
 
-#include <sys/types.h>
-#include <unistd.h>
 #include <limits.h>
 #include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "adb.h"
 
 void get_my_path(char *exe, size_t maxLen)
 {
diff --git a/adb/get_my_path_windows.c b/adb/get_my_path_windows.cpp
similarity index 97%
rename from adb/get_my_path_windows.c
rename to adb/get_my_path_windows.cpp
index ddf2816..9d23e1c 100644
--- a/adb/get_my_path_windows.c
+++ b/adb/get_my_path_windows.cpp
@@ -14,10 +14,12 @@
  * limitations under the License.
  */
 
-#include <limits.h>
 #include <assert.h>
+#include <limits.h>
 #include <windows.h>
 
+#include "adb.h"
+
 void get_my_path(char *exe, size_t maxLen)
 {
     char  *r;
diff --git a/adb/jdwp_service.c b/adb/jdwp_service.cpp
similarity index 98%
rename from adb/jdwp_service.c
rename to adb/jdwp_service.cpp
index 3074e42..f0b4ba7 100644
--- a/adb/jdwp_service.c
+++ b/adb/jdwp_service.cpp
@@ -194,7 +194,8 @@
 static JdwpProcess*
 jdwp_process_alloc( int  socket )
 {
-    JdwpProcess*  proc = calloc(1,sizeof(*proc));
+    JdwpProcess* proc = reinterpret_cast<JdwpProcess*>(
+        calloc(1, sizeof(*proc)));
 
     if (proc == NULL) {
         D("not enough memory to create new JDWP process\n");
@@ -234,7 +235,7 @@
 static void
 jdwp_process_event( int  socket, unsigned  events, void*  _proc )
 {
-    JdwpProcess*  proc = _proc;
+    JdwpProcess*  proc = reinterpret_cast<JdwpProcess*>(_proc);
 
     if (events & FDE_READ) {
         if (proc->pid < 0) {
@@ -601,7 +602,7 @@
 asocket*
 create_jdwp_service_socket( void )
 {
-    JdwpSocket*  s = calloc(sizeof(*s),1);
+    JdwpSocket* s = reinterpret_cast<JdwpSocket*>(calloc(sizeof(*s), 1));
 
     if (s == NULL)
         return NULL;
@@ -696,7 +697,7 @@
 asocket*
 create_jdwp_tracker_service_socket( void )
 {
-    JdwpTracker*  t = calloc(sizeof(*t),1);
+    JdwpTracker* t = reinterpret_cast<JdwpTracker*>(calloc(sizeof(*t), 1));
 
     if (t == NULL)
         return NULL;
diff --git a/adb/qemu_tracing.c b/adb/qemu_tracing.cpp
similarity index 100%
rename from adb/qemu_tracing.c
rename to adb/qemu_tracing.cpp
diff --git a/adb/remount_service.c b/adb/remount_service.cpp
similarity index 100%
rename from adb/remount_service.c
rename to adb/remount_service.cpp
diff --git a/adb/services.c b/adb/services.cpp
similarity index 96%
rename from adb/services.c
rename to adb/services.cpp
index 84f2137..600eb30 100644
--- a/adb/services.c
+++ b/adb/services.cpp
@@ -51,7 +51,7 @@
 
 void *service_bootstrap_func(void *x)
 {
-    stinfo *sti = x;
+    stinfo* sti = reinterpret_cast<stinfo*>(x);
     sti->func(sti->fd, sti->cookie);
     free(sti);
     return 0;
@@ -161,7 +161,7 @@
 
 void reverse_service(int fd, void* arg)
 {
-    const char* command = arg;
+    const char* command = reinterpret_cast<const char*>(arg);
 
     if (handle_forward_request(command, kTransportAny, NULL, fd) < 0) {
         sendfailmsg(fd, "not a reverse forwarding command");
@@ -174,23 +174,23 @@
 
 static int create_service_thread(void (*func)(int, void *), void *cookie)
 {
-    stinfo *sti;
-    adb_thread_t t;
     int s[2];
-
-    if(adb_socketpair(s)) {
+    if (adb_socketpair(s)) {
         printf("cannot create service socket pair\n");
         return -1;
     }
     D("socketpair: (%d,%d)", s[0], s[1]);
 
-    sti = malloc(sizeof(stinfo));
-    if(sti == 0) fatal("cannot allocate stinfo");
+    stinfo* sti = reinterpret_cast<stinfo*>(malloc(sizeof(stinfo)));
+    if (sti == nullptr) {
+        fatal("cannot allocate stinfo");
+    }
     sti->func = func;
     sti->cookie = cookie;
     sti->fd = s[1];
 
-    if(adb_thread_create( &t, service_bootstrap_func, sti)){
+    adb_thread_t t;
+    if (adb_thread_create(&t, service_bootstrap_func, sti)) {
         free(sti);
         adb_close(s[0]);
         adb_close(s[1]);
@@ -359,7 +359,6 @@
 
 static int create_subproc_thread(const char *name, const subproc_mode mode)
 {
-    stinfo *sti;
     adb_thread_t t;
     int ret_fd;
     pid_t pid = -1;
@@ -384,7 +383,7 @@
     }
     D("create_subproc ret_fd=%d pid=%d\n", ret_fd, pid);
 
-    sti = malloc(sizeof(stinfo));
+    stinfo* sti = reinterpret_cast<stinfo*>(malloc(sizeof(stinfo)));
     if(sti == 0) fatal("cannot allocate stinfo");
     sti->func = subproc_waiter_service;
     sti->cookie = (void*) (uintptr_t) pid;
@@ -512,11 +511,11 @@
 
 static void wait_for_state(int fd, void* cookie)
 {
-    struct state_info* sinfo = cookie;
-    char* err = "unknown error";
+    state_info* sinfo = reinterpret_cast<state_info*>(cookie);
 
     D("wait_for_state %d\n", sinfo->state);
 
+    const char* err = "unknown error";
     atransport *t = acquire_one_transport(sinfo->state, sinfo->transport, sinfo->serial, &err);
     if(t != 0) {
         WriteFdExactly(fd, "OKAY", 4);
@@ -635,7 +634,7 @@
 {
     char buf[4096];
     char resp[4096];
-    char *host = cookie;
+    char *host = reinterpret_cast<char*>(cookie);
 
     if (!strncmp(host, "emu:", 4)) {
         connect_emulator(host + 4, buf, sizeof(buf));
@@ -656,7 +655,7 @@
     if (!strcmp(name,"track-devices")) {
         return create_device_tracker();
     } else if (!strncmp(name, "wait-for-", strlen("wait-for-"))) {
-        struct state_info* sinfo = malloc(sizeof(struct state_info));
+        auto sinfo = reinterpret_cast<state_info*>(malloc(sizeof(state_info)));
 
         if (serial)
             sinfo->serial = strdup(serial);
diff --git a/adb/set_verity_enable_state_service.c b/adb/set_verity_enable_state_service.cpp
similarity index 99%
rename from adb/set_verity_enable_state_service.c
rename to adb/set_verity_enable_state_service.cpp
index 184674d..7fa8291 100644
--- a/adb/set_verity_enable_state_service.c
+++ b/adb/set_verity_enable_state_service.cpp
@@ -140,7 +140,7 @@
     if (magic_number != VERITY_METADATA_MAGIC_NUMBER
             && magic_number != VERITY_METADATA_MAGIC_DISABLE) {
         write_console(fd,
-                      "Couldn't find verity metadata at offset %"PRIu64"!\n",
+                      "Couldn't find verity metadata at offset %" PRIu64 "!\n",
                       device_length);
         goto errout;
     }
diff --git a/adb/sockets.c b/adb/sockets.cpp
similarity index 92%
rename from adb/sockets.c
rename to adb/sockets.cpp
index d34f8c6..12bc8d8 100644
--- a/adb/sockets.c
+++ b/adb/sockets.cpp
@@ -284,98 +284,101 @@
     insert_local_socket(s, &local_socket_closing_list);
 }
 
-static void local_socket_event_func(int fd, unsigned ev, void *_s)
+static void local_socket_event_func(int fd, unsigned ev, void* _s)
 {
-    asocket *s = _s;
-
+    asocket* s = reinterpret_cast<asocket*>(_s);
     D("LS(%d): event_func(fd=%d(==%d), ev=%04x)\n", s->id, s->fd, fd, ev);
 
     /* put the FDE_WRITE processing before the FDE_READ
     ** in order to simplify the code.
     */
-    if(ev & FDE_WRITE){
-        apacket *p;
-
-        while((p = s->pkt_first) != 0) {
-            while(p->len > 0) {
+    if (ev & FDE_WRITE) {
+        apacket* p;
+        while ((p = s->pkt_first) != nullptr) {
+            while (p->len > 0) {
                 int r = adb_write(fd, p->ptr, p->len);
-                if(r > 0) {
+                if (r == -1) {
+                    /* returning here is ok because FDE_READ will
+                    ** be processed in the next iteration loop
+                    */
+                    if (errno == EAGAIN) {
+                        return;
+                    }
+                } else if (r > 0) {
                     p->ptr += r;
                     p->len -= r;
                     continue;
                 }
-                if(r < 0) {
-                    /* returning here is ok because FDE_READ will
-                    ** be processed in the next iteration loop
-                    */
-                    if(errno == EAGAIN) return;
-                    if(errno == EINTR) continue;
-                }
+
                 D(" closing after write because r=%d and errno is %d\n", r, errno);
                 s->close(s);
                 return;
             }
 
-            if(p->len == 0) {
+            if (p->len == 0) {
                 s->pkt_first = p->next;
-                if(s->pkt_first == 0) s->pkt_last = 0;
+                if (s->pkt_first == 0) {
+                    s->pkt_last = 0;
+                }
                 put_apacket(p);
             }
         }
 
-            /* if we sent the last packet of a closing socket,
-            ** we can now destroy it.
-            */
+        /* if we sent the last packet of a closing socket,
+        ** we can now destroy it.
+        */
         if (s->closing) {
             D(" closing because 'closing' is set after write\n");
             s->close(s);
             return;
         }
 
-            /* no more packets queued, so we can ignore
-            ** writable events again and tell our peer
-            ** to resume writing
-            */
+        /* no more packets queued, so we can ignore
+        ** writable events again and tell our peer
+        ** to resume writing
+        */
         fdevent_del(&s->fde, FDE_WRITE);
         s->peer->ready(s->peer);
     }
 
 
-    if(ev & FDE_READ){
+    if (ev & FDE_READ) {
         apacket *p = get_apacket();
         unsigned char *x = p->data;
         size_t avail = MAX_PAYLOAD;
         int r;
         int is_eof = 0;
 
-        while(avail > 0) {
+        while (avail > 0) {
             r = adb_read(fd, x, avail);
-            D("LS(%d): post adb_read(fd=%d,...) r=%d (errno=%d) avail=%zu\n", s->id, s->fd, r, r<0?errno:0, avail);
-            if(r > 0) {
+            D("LS(%d): post adb_read(fd=%d,...) r=%d (errno=%d) avail=%zu\n",
+              s->id, s->fd, r, r < 0 ? errno : 0, avail);
+            if (r == -1) {
+                if (errno == EAGAIN) {
+                    break;
+                }
+            } else if (r > 0) {
                 avail -= r;
                 x += r;
                 continue;
             }
-            if(r < 0) {
-                if(errno == EAGAIN) break;
-                if(errno == EINTR) continue;
-            }
 
-                /* r = 0 or unhandled error */
+            /* r = 0 or unhandled error */
             is_eof = 1;
             break;
         }
         D("LS(%d): fd=%d post avail loop. r=%d is_eof=%d forced_eof=%d\n",
           s->id, s->fd, r, is_eof, s->fde.force_eof);
-        if((avail == MAX_PAYLOAD) || (s->peer == 0)) {
+        if ((avail == MAX_PAYLOAD) || (s->peer == 0)) {
             put_apacket(p);
         } else {
             p->len = MAX_PAYLOAD - avail;
 
             r = s->peer->enqueue(s->peer, p);
-            D("LS(%d): fd=%d post peer->enqueue(). r=%d\n", s->id, s->fd, r);
+            D("LS(%d): fd=%d post peer->enqueue(). r=%d\n", s->id, s->fd,
+              r);
 
-            if(r < 0) {
+            if (r < 0) {
                     /* error return means they closed us as a side-effect
                     ** and we must return immediately.
                     **
@@ -387,7 +390,7 @@
                 return;
             }
 
-            if(r > 0) {
+            if (r > 0) {
                     /* if the remote cannot accept further events,
                     ** we disable notification of READs.  They'll
                     ** be enabled again when we get a call to ready()
@@ -396,13 +399,14 @@
             }
         }
         /* Don't allow a forced eof if data is still there */
-        if((s->fde.force_eof && !r) || is_eof) {
-            D(" closing because is_eof=%d r=%d s->fde.force_eof=%d\n", is_eof, r, s->fde.force_eof);
+        if ((s->fde.force_eof && !r) || is_eof) {
+            D(" closing because is_eof=%d r=%d s->fde.force_eof=%d\n",
+              is_eof, r, s->fde.force_eof);
             s->close(s);
         }
     }
 
-    if(ev & FDE_ERROR){
+    if (ev & FDE_ERROR){
             /* this should be caught be the next read or write
             ** catching it here means we may skip the last few
             ** bytes of readable data.
@@ -415,7 +419,7 @@
 
 asocket *create_local_socket(int fd)
 {
-    asocket *s = calloc(1, sizeof(asocket));
+    asocket *s = reinterpret_cast<asocket*>(calloc(1, sizeof(asocket)));
     if (s == NULL) fatal("cannot allocate socket");
     s->fd = fd;
     s->enqueue = local_socket_enqueue;
@@ -539,8 +543,8 @@
 
 static void remote_socket_disconnect(void*  _s, atransport*  t)
 {
-    asocket*  s    = _s;
-    asocket*  peer = s->peer;
+    asocket* s = reinterpret_cast<asocket*>(_s);
+    asocket* peer = s->peer;
 
     D("remote_socket_disconnect RS(%d)\n", s->id);
     if (peer) {
@@ -557,12 +561,9 @@
    Returns a new non-NULL asocket handle. */
 asocket *create_remote_socket(unsigned id, atransport *t)
 {
-    asocket* s;
-    adisconnect* dis;
-
     if (id == 0) fatal("invalid remote socket id (0)");
-    s = calloc(1, sizeof(aremotesocket));
-    dis = &((aremotesocket*)s)->disconnect;
+    asocket* s = reinterpret_cast<asocket*>(calloc(1, sizeof(aremotesocket)));
+    adisconnect* dis = &reinterpret_cast<aremotesocket*>(s)->disconnect;
 
     if (s == NULL) fatal("cannot allocate socket");
     s->id = id;
@@ -824,7 +825,7 @@
     }
 #else /* !ADB_HOST */
     if (s->transport == NULL) {
-        char* error_string = "unknown failure";
+        const char* error_string = "unknown failure";
         s->transport = acquire_one_transport (CS_ANY,
                 kTransportAny, NULL, &error_string);
 
@@ -892,7 +893,7 @@
 static asocket *create_smart_socket(void)
 {
     D("Creating smart socket \n");
-    asocket *s = calloc(1, sizeof(asocket));
+    asocket *s = reinterpret_cast<asocket*>(calloc(1, sizeof(asocket)));
     if (s == NULL) fatal("cannot allocate socket");
     s->enqueue = smart_socket_enqueue;
     s->ready = smart_socket_ready;
diff --git a/adb/test_track_devices.c b/adb/test_track_devices.cpp
similarity index 100%
rename from adb/test_track_devices.c
rename to adb/test_track_devices.cpp
diff --git a/adb/test_track_jdwp.c b/adb/test_track_jdwp.cpp
similarity index 100%
rename from adb/test_track_jdwp.c
rename to adb/test_track_jdwp.cpp
diff --git a/adb/transport.c b/adb/transport.cpp
similarity index 97%
rename from adb/transport.c
rename to adb/transport.cpp
index e2c204e..1f8ac03 100644
--- a/adb/transport.c
+++ b/adb/transport.cpp
@@ -221,7 +221,7 @@
 
 static void transport_socket_events(int fd, unsigned events, void *_t)
 {
-    atransport *t = _t;
+    atransport *t = reinterpret_cast<atransport*>(_t);
     D("transport_socket_events(fd=%d, events=%04x,...)\n", fd, events);
     if(events & FDE_READ){
         apacket *p = 0;
@@ -278,7 +278,7 @@
 
 static void *output_thread(void *_t)
 {
-    atransport *t = _t;
+    atransport *t = reinterpret_cast<atransport*>(_t);
     apacket *p;
 
     D("%s: starting transport output thread on fd %d, SYNC online (%d)\n",
@@ -333,7 +333,7 @@
 
 static void *input_thread(void *_t)
 {
-    atransport *t = _t;
+    atransport *t = reinterpret_cast<atransport*>(_t);
     apacket *p;
     int active = 0;
 
@@ -494,7 +494,8 @@
 asocket*
 create_device_tracker(void)
 {
-    device_tracker*  tracker = calloc(1,sizeof(*tracker));
+    device_tracker* tracker = reinterpret_cast<device_tracker*>(
+        calloc(1, sizeof(*tracker)));
 
     if(tracker == 0) fatal("cannot allocate device tracker");
 
@@ -799,7 +800,8 @@
     return !*to_test;
 }
 
-atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char** error_out)
+atransport *acquire_one_transport(int state, transport_type ttype,
+                                  const char* serial, const char** error_out)
 {
     atransport *t;
     atransport *result = NULL;
@@ -1007,7 +1009,8 @@
 
 int register_socket_transport(int s, const char *serial, int port, int local)
 {
-    atransport *t = calloc(1, sizeof(atransport));
+    atransport *t = reinterpret_cast<atransport*>(
+        calloc(1, sizeof(atransport)));
     atransport *n;
     char buff[32];
 
@@ -1106,7 +1109,8 @@
 
 void register_usb_transport(usb_handle *usb, const char *serial, const char *devpath, unsigned writeable)
 {
-    atransport *t = calloc(1, sizeof(atransport));
+    atransport *t = reinterpret_cast<atransport*>(
+        calloc(1, sizeof(atransport)));
     D("transport: %p init'ing for usb_handle %p (sn='%s')\n", t, usb,
       serial ? serial : "");
     init_usb_transport(t, usb, (writeable ? CS_OFFLINE : CS_NOPERM));
diff --git a/adb/transport.h b/adb/transport.h
index 352bbe4..36a0e40 100644
--- a/adb/transport.h
+++ b/adb/transport.h
@@ -37,7 +37,7 @@
  * If no suitable transport is found, error is set.
  */
 atransport* acquire_one_transport(int state, transport_type ttype,
-                                  const char* serial, char** error_out);
+                                  const char* serial, const char** error_out);
 void add_transport_disconnect(atransport* t, adisconnect* dis);
 void remove_transport_disconnect(atransport* t, adisconnect* dis);
 void kick_transport(atransport* t);
diff --git a/adb/transport_local.c b/adb/transport_local.cpp
similarity index 100%
rename from adb/transport_local.c
rename to adb/transport_local.cpp
diff --git a/adb/transport_usb.c b/adb/transport_usb.cpp
similarity index 100%
rename from adb/transport_usb.c
rename to adb/transport_usb.cpp
diff --git a/adb/usb_linux.c b/adb/usb_linux.cpp
similarity index 98%
rename from adb/usb_linux.c
rename to adb/usb_linux.cpp
index d03f8be..c01ec8c 100644
--- a/adb/usb_linux.c
+++ b/adb/usb_linux.cpp
@@ -574,7 +574,6 @@
                             unsigned char ep_in, unsigned char ep_out,
                             int interface, int serial_index, unsigned zero_mask)
 {
-    usb_handle* usb = 0;
     int n = 0;
     char serial[256];
 
@@ -587,8 +586,9 @@
         ** name, we have no further work to do.
         */
     adb_mutex_lock(&usb_lock);
-    for(usb = handle_list.next; usb != &handle_list; usb = usb->next){
-        if(!strcmp(usb->fname, dev_name)) {
+    for (usb_handle* usb = handle_list.next; usb != &handle_list;
+         usb = usb->next) {
+        if (!strcmp(usb->fname, dev_name)) {
             adb_mutex_unlock(&usb_lock);
             return;
         }
@@ -597,7 +597,8 @@
 
     D("[ usb located new device %s (%d/%d/%d) ]\n",
         dev_name, ep_in, ep_out, interface);
-    usb = calloc(1, sizeof(usb_handle));
+    usb_handle* usb = reinterpret_cast<usb_handle*>(
+        calloc(1, sizeof(usb_handle)));
     strcpy(usb->fname, dev_name);
     usb->ep_in = ep_in;
     usb->ep_out = ep_out;
diff --git a/adb/usb_windows.c b/adb/usb_windows.cpp
similarity index 100%
rename from adb/usb_windows.c
rename to adb/usb_windows.cpp