[Feature][S300][task-view-1900][arms] Docking with ARMS platform，basic documents
Change-Id: I89df7b9e3685d6f6205bd2a4ff00ac67c8f447cb
diff --git a/lynq/S300/ap/app/apparms/json-c/json_util.c b/lynq/S300/ap/app/apparms/json-c/json_util.c
new file mode 100755
index 0000000..0f570f2
--- /dev/null
+++ b/lynq/S300/ap/app/apparms/json-c/json_util.c
@@ -0,0 +1,315 @@
+/*
+ * $Id: json_util.c,v 1.4 2006/01/30 23:07:57 mclark Exp $
+ *
+ * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
+ * Michael Clark <michael@metaparadigm.com>
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See COPYING for details.
+ *
+ */
+
+#include "config.h"
+#undef realloc
+
+#include "strerror_override.h"
+
+#include <limits.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif /* HAVE_SYS_STAT_H */
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif /* HAVE_FCNTL_H */
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+
+#ifdef WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <io.h>
+#include <windows.h>
+#endif /* defined(WIN32) */
+
+#if !defined(HAVE_OPEN) && defined(WIN32)
+#define open _open
+#endif
+
+#include "snprintf_compat.h"
+
+#include "debug.h"
+#include "json_inttypes.h"
+#include "json_object.h"
+#include "json_tokener.h"
+#include "json_util.h"
+#include "printbuf.h"
+
+static int _json_object_to_fd(int fd, struct json_object *obj, int flags, const char *filename);
+
+static char _last_err[256] = "";
+
+const char *json_util_get_last_err(void)
+{
+ if (_last_err[0] == '\0')
+ return NULL;
+ return _last_err;
+}
+
+void _json_c_set_last_err(const char *err_fmt, ...)
+{
+ va_list ap;
+ va_start(ap, err_fmt);
+ // Ignore (attempted) overruns from snprintf
+ (void)vsnprintf(_last_err, sizeof(_last_err), err_fmt, ap);
+ va_end(ap);
+}
+
+struct json_object *json_object_from_fd(int fd)
+{
+ return json_object_from_fd_ex(fd, -1);
+}
+struct json_object *json_object_from_fd_ex(int fd, int in_depth)
+{
+ struct printbuf *pb;
+ struct json_object *obj;
+ char buf[JSON_FILE_BUF_SIZE];
+ ssize_t ret;
+ int depth = JSON_TOKENER_DEFAULT_DEPTH;
+ json_tokener *tok;
+
+ if (!(pb = printbuf_new()))
+ {
+ _json_c_set_last_err("json_object_from_fd_ex: printbuf_new failed\n");
+ return NULL;
+ }
+
+ if (in_depth != -1)
+ depth = in_depth;
+ tok = json_tokener_new_ex(depth);
+ if (!tok)
+ {
+ _json_c_set_last_err(
+ "json_object_from_fd_ex: unable to allocate json_tokener(depth=%d): %s\n",
+ depth, strerror(errno));
+ printbuf_free(pb);
+ return NULL;
+ }
+
+ while ((ret = read(fd, buf, sizeof(buf))) > 0)
+ {
+ if (printbuf_memappend(pb, buf, ret) < 0)
+ {
+#if JSON_FILE_BUF_SIZE > INT_MAX
+#error "Can't append more than INT_MAX bytes at a time"
+#endif
+ _json_c_set_last_err(
+ "json_object_from_fd_ex: failed to printbuf_memappend after reading %d+%d bytes: %s", printbuf_length(pb), (int)ret, strerror(errno));
+ json_tokener_free(tok);
+ printbuf_free(pb);
+ return NULL;
+ }
+ }
+ if (ret < 0)
+ {
+ _json_c_set_last_err("json_object_from_fd_ex: error reading fd %d: %s\n", fd,
+ strerror(errno));
+ json_tokener_free(tok);
+ printbuf_free(pb);
+ return NULL;
+ }
+
+ obj = json_tokener_parse_ex(tok, pb->buf, printbuf_length(pb));
+ if (obj == NULL)
+ _json_c_set_last_err("json_tokener_parse_ex failed: %s\n",
+ json_tokener_error_desc(json_tokener_get_error(tok)));
+
+ json_tokener_free(tok);
+ printbuf_free(pb);
+ return obj;
+}
+
+struct json_object *json_object_from_file(const char *filename)
+{
+ struct json_object *obj;
+ int fd;
+
+ if ((fd = open(filename, O_RDONLY)) < 0)
+ {
+ _json_c_set_last_err("json_object_from_file: error opening file %s: %s\n",
+ filename, strerror(errno));
+ return NULL;
+ }
+ obj = json_object_from_fd(fd);
+ close(fd);
+ return obj;
+}
+
+/* extended "format and write to file" function */
+
+int json_object_to_file_ext(const char *filename, struct json_object *obj, int flags)
+{
+ int fd, ret;
+ int saved_errno;
+
+ if (!obj)
+ {
+ _json_c_set_last_err("json_object_to_file_ext: object is null\n");
+ return -1;
+ }
+
+ if ((fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, 0644)) < 0)
+ {
+ _json_c_set_last_err("json_object_to_file_ext: error opening file %s: %s\n",
+ filename, strerror(errno));
+ return -1;
+ }
+ ret = _json_object_to_fd(fd, obj, flags, filename);
+ saved_errno = errno;
+ close(fd);
+ errno = saved_errno;
+ return ret;
+}
+
+int json_object_to_fd(int fd, struct json_object *obj, int flags)
+{
+ if (!obj)
+ {
+ _json_c_set_last_err("json_object_to_fd: object is null\n");
+ return -1;
+ }
+
+ return _json_object_to_fd(fd, obj, flags, NULL);
+}
+static int _json_object_to_fd(int fd, struct json_object *obj, int flags, const char *filename)
+{
+ ssize_t ret;
+ const char *json_str;
+ size_t wpos, wsize;
+
+ filename = filename ? filename : "(fd)";
+
+ if (!(json_str = json_object_to_json_string_ext(obj, flags)))
+ {
+ return -1;
+ }
+
+ wsize = strlen(json_str);
+ wpos = 0;
+ while (wpos < wsize)
+ {
+ if ((ret = write(fd, json_str + wpos, wsize - wpos)) < 0)
+ {
+ _json_c_set_last_err("json_object_to_fd: error writing file %s: %s\n",
+ filename, strerror(errno));
+ return -1;
+ }
+
+ /* because of the above check for ret < 0, we can safely cast and add */
+ wpos += (size_t)ret;
+ }
+
+ return 0;
+}
+
+// backwards compatible "format and write to file" function
+
+int json_object_to_file(const char *filename, struct json_object *obj)
+{
+ return json_object_to_file_ext(filename, obj, JSON_C_TO_STRING_PLAIN);
+}
+
+// Deprecated json_parse_double function. See json_tokener_parse_double instead.
+int json_parse_double(const char *buf, double *retval)
+{
+ char *end;
+ *retval = strtod(buf, &end);
+ return end == buf ? 1 : 0;
+}
+
+int json_parse_int64(const char *buf, int64_t *retval)
+{
+ char *end = NULL;
+ int64_t val;
+
+ errno = 0;
+ val = strtoll(buf, &end, 10);
+ if (end != buf)
+ *retval = val;
+ if ((val == 0 && errno != 0) || (end == buf))
+ {
+ errno = EINVAL;
+ return 1;
+ }
+ return 0;
+}
+
+int json_parse_uint64(const char *buf, uint64_t *retval)
+{
+ char *end = NULL;
+ uint64_t val;
+
+ errno = 0;
+ while (*buf == ' ')
+ buf++;
+ if (*buf == '-')
+ return 1; /* error: uint cannot be negative */
+
+ val = strtoull(buf, &end, 10);
+ if (end != buf)
+ *retval = val;
+ if ((val == 0 && errno != 0) || (end == buf))
+ {
+ errno = EINVAL;
+ return 1;
+ }
+ return 0;
+}
+
+#ifndef HAVE_REALLOC
+void *rpl_realloc(void *p, size_t n)
+{
+ if (n == 0)
+ n = 1;
+ if (p == 0)
+ return malloc(n);
+ return realloc(p, n);
+}
+#endif
+
+#define NELEM(a) (sizeof(a) / sizeof(a[0]))
+/* clang-format off */
+static const char *json_type_name[] = {
+ /* If you change this, be sure to update the enum json_type definition too */
+ "null",
+ "boolean",
+ "double",
+ "int",
+ "object",
+ "array",
+ "string",
+};
+/* clang-format on */
+
+const char *json_type_to_name(enum json_type o_type)
+{
+ int o_type_int = (int)o_type;
+ if (o_type_int < 0 || o_type_int >= (int)NELEM(json_type_name))
+ {
+ _json_c_set_last_err("json_type_to_name: type %d is out of range [0,%u]\n", o_type,
+ (unsigned)NELEM(json_type_name));
+ return NULL;
+ }
+ return json_type_name[o_type];
+}