tests/tcg/minilib: Constify digits in print_num

This avoids a memcpy to the stack when compiled with clang.
Since we don't enable optimization, nor provide memcpy,
this results in an undefined symbol error at link time.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240630190050.160642-2-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-7-alex.bennee@linaro.org>

diff --git a/tests/tcg/minilib/printf.c b/tests/tcg/minilib/printf.c
index 10472b4f5852041d03d1567518ebde1b0591e50a..fb0189c2bb2237d2be027a15029970bef5cbf017 100644 (file)
--- a/tests/tcg/minilib/printf.c
+++ b/tests/tcg/minilib/printf.c
@@ -27,7 +27,7 @@ static void print_str(char *s)
 
 static void print_num(unsigned long long value, int base)
 {
-    char digits[] = "0123456789abcdef";
+    static const char digits[] = "0123456789abcdef";
     char buf[32];
     int i = sizeof(buf) - 2, j;