Import of the watch repository from Pebble

third_party/nanopb/tests/basic_buffer/encode_buffer.c

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+/* A very simple encoding test case using person.proto.
+ * Just puts constant data in the fields and encodes into
+ * buffer, which is then written to stdout.
+ */
+
+#include <stdio.h>
+#include <pb_encode.h>
+#include "person.pb.h"
+#include "test_helpers.h"
+
+int main()
+{
+    uint8_t buffer[Person_size];
+    pb_ostream_t stream;
+    
+    /* Initialize the structure with constants */
+    Person person = {"Test Person 99", 99, true, "test@person.com",
+        3, {{"555-12345678", true, Person_PhoneType_MOBILE},
+            {"99-2342", false, 0},
+            {"1234-5678", true, Person_PhoneType_WORK},
+        }};
+
+    stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
+    
+    /* Now encode it and check if we succeeded. */
+    if (pb_encode(&stream, Person_fields, &person))
+    {    
+        /* Write the result data to stdout */
+        SET_BINARY_MODE(stdout);
+        fwrite(buffer, 1, stream.bytes_written, stdout);
+        return 0; /* Success */
+    }
+    else
+    {
+        fprintf(stderr, "Encoding failed: %s\n", PB_GET_ERROR(&stream));
+        return 1; /* Failure */
+    }
+}