Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
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+/*
+ * Copyright (c) 2009, Simon Berg
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*---------------------------------------------------------------------------*/
+#include "contiki.h"
+
+#include <stdio.h>
+#include <strformat.h>
+#include <string.h>
+/*---------------------------------------------------------------------------*/
+__attribute__((unused))
+static strformat_result
+buffer_str(void *user_data, const char *data, unsigned int len)
+{
+  memcpy(*(char **)user_data, data, len);
+  (*(char **)user_data) += len;
+  return STRFORMAT_OK;
+}
+/*---------------------------------------------------------------------------*/
+#ifdef MODULE_VSNPRINTF_SYSCALL
+int
+sprintf(char *str, const char *format, ...)
+{
+  va_list ap;
+
+  va_start(ap, format);
+  int res = vsnprintf(str, SIZE_MAX, format, ap);
+  va_end(ap);
+  return res;
+}
+#else
+int
+sprintf(char *str, const char *format, ...)
+{
+  strformat_context_t ctxt;
+  int res;
+  va_list ap;
+  va_start(ap, format);
+  ctxt.write_str = buffer_str;
+  ctxt.user_data = &str;
+  res = format_str_v(&ctxt, format, ap);
+  *str = '\0';
+  va_end(ap);
+  return res;
+}
+#endif /* MODULE_VSNPRINTF_SYSCALL */
+/*---------------------------------------------------------------------------*/