1 files changed, 120 insertions, 0 deletions
diff --git a/xcore/xcam_common.cpp b/xcore/xcam_common.cpp
new file mode 100644
index 0000000..f982060
--- /dev/null
+++ b/xcore/xcam_common.cpp
@@ -0,0 +1,120 @@
+/*
+ * xcam_common.cpp - xcam common
+ *
+ *  Copyright (c) 2014-2015 Intel Corporation
+ *
+ * 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.
+ *
+ * Author: Wind Yuan <feng.yuan@intel.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <base/xcam_common.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <stdarg.h>
+
+static char log_file_name[XCAM_MAX_STR_SIZE] = {0};
+
+uint32_t xcam_version ()
+{
+    return XCAM_VERSION;
+}
+
+void * xcam_malloc(size_t size)
+{
+    return malloc (size);
+}
+
+void * xcam_malloc0(size_t size)
+{
+    void * ptr = malloc (size);
+    memset (ptr, 0, size);
+    return ptr;
+}
+
+void xcam_free(void *ptr)
+{
+    if (ptr)
+        free (ptr);
+}
+
+int xcam_device_ioctl (int fd, int cmd, void *arg)
+{
+    int ret = 0;
+    int tried_time = 0;
+
+    if (fd < 0)
+        return -1;
+
+    while (1) {
+        ret = ioctl (fd, cmd, arg);
+        if (ret >= 0)
+            break;
+        if (errno != EINTR && errno != EAGAIN)
+            break;
+        if (++tried_time > 5)
+            break;
+    }
+
+    if (ret >= 0) {
+        XCAM_LOG_DEBUG ("ioctl return ok on fd(%d), cmd:%d", fd, cmd);
+    } else {
+        XCAM_LOG_DEBUG ("ioctl failed on fd(%d), cmd:%d, error:%s",
+                        fd, cmd, strerror(errno));
+    }
+    return ret;
+}
+
+const char *
+xcam_fourcc_to_string (uint32_t fourcc)
+{
+    static char str[5];
+
+    xcam_mem_clear (str);
+    memcpy (str, &fourcc, 4);
+    return str;
+}
+
+void xcam_print_log (const char* format, ...) {
+    char buffer[XCAM_MAX_STR_SIZE] = {0};
+
+    va_list va_list;
+    va_start (va_list, format);
+    vsnprintf (buffer, XCAM_MAX_STR_SIZE, format, va_list);
+    va_end (va_list);
+
+    if (strlen (log_file_name) > 0) {
+        FILE* p_file = fopen (log_file_name, "ab+");
+        if (NULL != p_file) {
+            fwrite (buffer, sizeof (buffer[0]), strlen (buffer), p_file);
+            fclose (p_file);
+        } else {
+            printf ("%s", buffer);
+        }
+    } else {
+        printf ("%s", buffer);
+    }
+}
+
+void xcam_set_log (const char* file_name) {
+    if (NULL != file_name) {
+        memset (log_file_name, 0, XCAM_MAX_STR_SIZE);
+        strncpy (log_file_name, file_name, XCAM_MAX_STR_SIZE);
+    }
+}
+