From 8b9c3b897c682cd9739c6aef73b3220c7204c243 Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 21 Nov 2013 11:19:58 +0200 Subject: [PATCH] acpi-build: fix build on glib < 2.22 g_string_vprintf was only introduced in 2.24 so switch to vsnprintf instead. A bit uglier but name size is fixed at 4 bytes here so it's easy. Reviewed-by: Paolo Bonzini Reported-by: Richard Henderson Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-build.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 486e7055a..59a17dfbd 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -287,16 +287,17 @@ static inline void build_append_array(GArray *array, GArray *val) static void build_append_nameseg(GArray *array, const char *format, ...) { - GString *s = g_string_new(""); + /* It would be nicer to use g_string_vprintf but it's only there in 2.22 */ + char s[] = "XXXX"; + int len; va_list args; va_start(args, format); - g_string_vprintf(s, format, args); + len = vsnprintf(s, sizeof s, format, args); va_end(args); - assert(s->len == 4); - g_array_append_vals(array, s->str, s->len); - g_string_free(s, true); + assert(len == 4); + g_array_append_vals(array, s, len); } /* 5.4 Definition Block Encoding */ -- 2.39.2