ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/package/utils/adbd/src/libcutils/properties.c b/package/utils/adbd/src/libcutils/properties.c
new file mode 100644
index 0000000..864e2e4
--- /dev/null
+++ b/package/utils/adbd/src/libcutils/properties.c
@@ -0,0 +1,424 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "properties"
+// #define LOG_NDEBUG 0
+
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <cutils/sockets.h>
+#include <errno.h>
+#include <assert.h>
+
+#include <inttypes.h>
+#include <cutils/properties.h>
+#include <stdbool.h>
+#include <inttypes.h>
+#include "loghack.h"
+
+int8_t property_get_bool(const char *key, int8_t default_value) {
+    if (!key) {
+        return default_value;
+    }
+
+    int8_t result = default_value;
+    char buf[PROPERTY_VALUE_MAX] = {'\0',};
+
+    int len = property_get(key, buf, "");
+    if (len == 1) {
+        char ch = buf[0];
+        if (ch == '0' || ch == 'n') {
+            result = false;
+        } else if (ch == '1' || ch == 'y') {
+            result = true;
+        }
+    } else if (len > 1) {
+         if (!strcmp(buf, "no") || !strcmp(buf, "false") || !strcmp(buf, "off")) {
+            result = false;
+        } else if (!strcmp(buf, "yes") || !strcmp(buf, "true") || !strcmp(buf, "on")) {
+            result = true;
+        }
+    }
+
+    return result;
+}
+
+// Convert string property to int (default if fails); return default value if out of bounds
+static intmax_t property_get_imax(const char *key, intmax_t lower_bound, intmax_t upper_bound,
+        intmax_t default_value) {
+    if (!key) {
+        return default_value;
+    }
+
+    intmax_t result = default_value;
+    char buf[PROPERTY_VALUE_MAX] = {'\0',};
+    char *end = NULL;
+
+    int len = property_get(key, buf, "");
+    if (len > 0) {
+        int tmp = errno;
+        errno = 0;
+
+        // Infer base automatically
+        result = strtoimax(buf, &end, /*base*/0);
+        if ((result == INTMAX_MIN || result == INTMAX_MAX) && errno == ERANGE) {
+            // Over or underflow
+            result = default_value;
+            ALOGV("%s(%s,%" PRIdMAX ") - overflow", __FUNCTION__, key, default_value);
+        } else if (result < lower_bound || result > upper_bound) {
+            // Out of range of requested bounds
+            result = default_value;
+            ALOGV("%s(%s,%" PRIdMAX ") - out of range", __FUNCTION__, key, default_value);
+        } else if (end == buf) {
+            // Numeric conversion failed
+            result = default_value;
+            ALOGV("%s(%s,%" PRIdMAX ") - numeric conversion failed",
+                    __FUNCTION__, key, default_value);
+        }
+
+        errno = tmp;
+    }
+
+    return result;
+}
+
+int64_t property_get_int64(const char *key, int64_t default_value) {
+    return (int64_t)property_get_imax(key, INT64_MIN, INT64_MAX, default_value);
+}
+
+int32_t property_get_int32(const char *key, int32_t default_value) {
+    return (int32_t)property_get_imax(key, INT32_MIN, INT32_MAX, default_value);
+}
+
+#ifdef HAVE_LIBC_SYSTEM_PROPERTIES
+
+#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
+#include <sys/_system_properties.h>
+
+int property_set(const char *key, const char *value)
+{
+    return __system_property_set(key, value);
+}
+
+int property_get(const char *key, char *value, const char *default_value)
+{
+    int len;
+
+    len = __system_property_get(key, value);
+    if(len > 0) {
+        return len;
+    }
+    if(default_value) {
+        len = strlen(default_value);
+        if (len >= PROPERTY_VALUE_MAX) {
+            len = PROPERTY_VALUE_MAX - 1;
+        }
+        memcpy(value, default_value, len);
+        value[len] = '\0';
+    }
+    return len;
+}
+
+struct property_list_callback_data
+{
+    void (*propfn)(const char *key, const char *value, void *cookie);
+    void *cookie;
+};
+
+static void property_list_callback(const prop_info *pi, void *cookie)
+{
+    char name[PROP_NAME_MAX];
+    char value[PROP_VALUE_MAX];
+    struct property_list_callback_data *data = cookie;
+
+    __system_property_read(pi, name, value);
+    data->propfn(name, value, data->cookie);
+}
+
+int property_list(
+        void (*propfn)(const char *key, const char *value, void *cookie),
+        void *cookie)
+{
+    struct property_list_callback_data data = { propfn, cookie };
+    return __system_property_foreach(property_list_callback, &data);
+}
+
+#elif defined(HAVE_SYSTEM_PROPERTY_SERVER)
+
+/*
+ * The Linux simulator provides a "system property server" that uses IPC
+ * to set/get/list properties.  The file descriptor is shared by all
+ * threads in the process, so we use a mutex to ensure that requests
+ * from multiple threads don't get interleaved.
+ */
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <pthread.h>
+
+static pthread_once_t gInitOnce = PTHREAD_ONCE_INIT;
+static pthread_mutex_t gPropertyFdLock = PTHREAD_MUTEX_INITIALIZER;
+static int gPropFd = -1;
+
+/*
+ * Connect to the properties server.
+ *
+ * Returns the socket descriptor on success.
+ */
+static int connectToServer(const char* fileName)
+{
+    int sock = -1;
+    int cc;
+
+    struct sockaddr_un addr;
+    
+    sock = socket(AF_UNIX, SOCK_STREAM, 0);
+    if (sock < 0) {
+        ALOGW("UNIX domain socket create failed (errno=%d)\n", errno);
+        return -1;
+    }
+
+    /* connect to socket; fails if file doesn't exist */
+    strcpy(addr.sun_path, fileName);    // max 108 bytes
+    addr.sun_family = AF_UNIX;
+    cc = connect(sock, (struct sockaddr*) &addr, SUN_LEN(&addr));
+    if (cc < 0) {
+        // ENOENT means socket file doesn't exist
+        // ECONNREFUSED means socket exists but nobody is listening
+        //ALOGW("AF_UNIX connect failed for '%s': %s\n",
+        //    fileName, strerror(errno));
+        close(sock);
+        return -1;
+    }
+
+    return sock;
+}
+
+/*
+ * Perform one-time initialization.
+ */
+static void init(void)
+{
+    assert(gPropFd == -1);
+
+    gPropFd = connectToServer(SYSTEM_PROPERTY_PIPE_NAME);
+    if (gPropFd < 0) {
+        //ALOGW("not connected to system property server\n");
+    } else {
+        //ALOGV("Connected to system property server\n");
+    }
+}
+
+int property_get(const char *key, char *value, const char *default_value)
+{
+    //char sendBuf[1+PROPERTY_KEY_MAX];
+    //char recvBuf[1+PROPERTY_VALUE_MAX];
+    //int len = -1;
+//
+    ////ALOGV("PROPERTY GET [%s]\n", key);
+//
+    //pthread_once(&gInitOnce, init);
+    //if (gPropFd < 0) {
+    //    /* this mimics the behavior of the device implementation */
+    //    if (default_value != NULL) {
+    //        strcpy(value, default_value);
+    //        len = strlen(value);
+    //    }
+    //    return len;
+    //}
+//
+    //if (strlen(key) >= PROPERTY_KEY_MAX) return -1;
+//
+    //memset(sendBuf, 0xdd, sizeof(sendBuf));    // placate valgrind
+//
+    //sendBuf[0] = (char) kSystemPropertyGet;
+    //strcpy(sendBuf+1, key);
+//
+    //pthread_mutex_lock(&gPropertyFdLock);
+    //if (write(gPropFd, sendBuf, sizeof(sendBuf)) != sizeof(sendBuf)) {
+    //    pthread_mutex_unlock(&gPropertyFdLock);
+    //    return -1;
+    //}
+    //if (read(gPropFd, recvBuf, sizeof(recvBuf)) != sizeof(recvBuf)) {
+    //    pthread_mutex_unlock(&gPropertyFdLock);
+    //    return -1;
+    //}
+    //pthread_mutex_unlock(&gPropertyFdLock);
+//
+    ///* first byte is 0 if value not defined, 1 if found */
+    //if (recvBuf[0] == 0) {
+    //    if (default_value != NULL) {
+    //        strcpy(value, default_value);
+    //        len = strlen(value);
+    //    } else {
+    //        /*
+    //         * If the value isn't defined, hand back an empty string and
+    //         * a zero length, rather than a failure.  This seems wrong,
+    //         * since you can't tell the difference between "undefined" and
+    //         * "defined but empty", but it's what the device does.
+    //         */
+    //        value[0] = '\0';
+    //        len = 0;
+    //    }
+    //} else if (recvBuf[0] == 1) {
+    //    strcpy(value, recvBuf+1);
+    //    len = strlen(value);
+    //} else {
+    //    ALOGE("Got strange response to property_get request (%d)\n",
+    //        recvBuf[0]);
+    //    assert(0);
+    //    return -1;
+    //}
+    ////ALOGV("PROP [found=%d def='%s'] (%d) [%s]: [%s]\n",
+    ////    recvBuf[0], default_value, len, key, value);
+//
+    //return len;
+    return 0;
+}
+
+
+int property_set(const char *key, const char *value)
+{
+    //char sendBuf[1+PROPERTY_KEY_MAX+PROPERTY_VALUE_MAX];
+    //char recvBuf[1];
+    //int result = -1;
+//
+    ////ALOGV("PROPERTY SET [%s]: [%s]\n", key, value);
+//
+    //pthread_once(&gInitOnce, init);
+    //if (gPropFd < 0)
+    //    return -1;
+//
+    //if (strlen(key) >= PROPERTY_KEY_MAX) return -1;
+    //if (strlen(value) >= PROPERTY_VALUE_MAX) return -1;
+//
+    //memset(sendBuf, 0xdd, sizeof(sendBuf));    // placate valgrind
+//
+    //sendBuf[0] = (char) kSystemPropertySet;
+    //strcpy(sendBuf+1, key);
+    //strcpy(sendBuf+1+PROPERTY_KEY_MAX, value);
+//
+    //pthread_mutex_lock(&gPropertyFdLock);
+    //if (write(gPropFd, sendBuf, sizeof(sendBuf)) != sizeof(sendBuf)) {
+    //    pthread_mutex_unlock(&gPropertyFdLock);
+    //    return -1;
+    //}
+    //if (read(gPropFd, recvBuf, sizeof(recvBuf)) != sizeof(recvBuf)) {
+    //    pthread_mutex_unlock(&gPropertyFdLock);
+    //    return -1;
+    //}
+    //pthread_mutex_unlock(&gPropertyFdLock);
+//
+    //if (recvBuf[0] != 1)
+    //    return -1;
+    return 0;
+}
+
+int property_list(void (*propfn)(const char *key, const char *value, void *cookie), 
+                  void *cookie)
+{
+    //ALOGV("PROPERTY LIST\n");
+    //pthread_once(&gInitOnce, init);
+    //if (gPropFd < 0)
+    //    return -1;
+
+    return 0;
+}
+
+#else
+
+/* SUPER-cheesy place-holder implementation for Win32 */
+
+//#include <cutils/threads.h>
+
+//static mutex_t  env_lock = MUTEX_INITIALIZER;
+
+int property_get(const char *key, char *value, const char *default_value)
+{
+    //char ename[PROPERTY_KEY_MAX + 6];
+    //char *p;
+    //int len;
+    //
+    //len = strlen(key);
+    //if(len >= PROPERTY_KEY_MAX) return -1;
+    //memcpy(ename, "PROP_", 5);
+    //memcpy(ename + 5, key, len + 1);
+    //
+    //mutex_lock(&env_lock);
+//
+    //p = getenv(ename);
+    //if(p == 0) p = "";
+    //len = strlen(p);
+    //if(len >= PROPERTY_VALUE_MAX) {
+    //    len = PROPERTY_VALUE_MAX - 1;
+    //}
+    //
+    //if((len == 0) && default_value) {
+    //    len = strlen(default_value);
+    //    memcpy(value, default_value, len + 1);
+    //} else {
+    //    memcpy(value, p, len);
+    //    value[len] = 0;
+    //}
+//
+    //mutex_unlock(&env_lock);
+    
+    //return len;
+    return 0;
+}
+
+
+int property_set(const char *key, const char *value)
+{
+//    char ename[PROPERTY_KEY_MAX + 6];
+//    char *p;
+//    int len;
+//    int r;
+//
+//    if(strlen(value) >= PROPERTY_VALUE_MAX) return -1;
+//    
+//    len = strlen(key);
+//    if(len >= PROPERTY_KEY_MAX) return -1;
+//    memcpy(ename, "PROP_", 5);
+//    memcpy(ename + 5, key, len + 1);
+//
+//    mutex_lock(&env_lock);
+//#ifdef HAVE_MS_C_RUNTIME
+//    {
+//        char  temp[256];
+//        snprintf( temp, sizeof(temp), "%s=%s", ename, value);
+//        putenv(temp);
+//        r = 0;
+//    }
+//#else    
+//    r = setenv(ename, value, 1);
+//#endif    
+//    mutex_unlock(&env_lock);
+//    
+//    return r;
+    return 0;
+}
+
+int property_list(void (*propfn)(const char *key, const char *value, void *cookie), 
+                  void *cookie)
+{
+    return 0;
+}
+
+#endif