example: Fix a segfault in calculator test.

diff --git a/src/example/calculator_test.c b/src/example/calculator_test.c
index 83a9aa6..52ae2f2 100644 (file)
--- a/src/example/calculator_test.c
+++ b/src/example/calculator_test.c
@@ -57,12 +57,13 @@ extern int example_main(int argc, char *argv[]);
 int example_test_fprintf(FILE* const file, const char *format, ...);
 int example_test_printf(const char *format, ...);
 
+char temporary_buffer[256];
+
 /* A mock fprintf function that checks the value of strings printed to the
  * standard error stream. */
 int example_test_fprintf(FILE* const file, const char *format, ...) {
        int return_value;
        va_list args;
-       char temporary_buffer[256];
        assert_true(file == stderr);
        va_start(args, format);
        return_value = vsnprintf(temporary_buffer, sizeof(temporary_buffer),
@@ -77,7 +78,6 @@ int example_test_fprintf(FILE* const file, const char *format, ...) {
 int example_test_printf(const char *format, ...) {
        int return_value;
        va_list args;
-       char temporary_buffer[256];
        va_start(args, format);
        return_value = vsnprintf(temporary_buffer, sizeof(temporary_buffer),
                                 format, args);