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. Reported-by: Richard Henderson <rth@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1385036128-8753-1-git-send-email-mst@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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@ -287,16 +287,17 @@ static inline void build_append_array(GArray *array, GArray *val)
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static void build_append_nameseg(GArray *array, const char *format, ...)
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{
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GString *s = g_string_new("");
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/* It would be nicer to use g_string_vprintf but it's only there in 2.22 */
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char s[] = "XXXX";
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int len;
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va_list args;
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va_start(args, format);
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g_string_vprintf(s, format, args);
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len = vsnprintf(s, sizeof s, format, args);
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va_end(args);
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assert(s->len == 4);
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g_array_append_vals(array, s->str, s->len);
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g_string_free(s, true);
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assert(len == 4);
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g_array_append_vals(array, s, len);
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}
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/* 5.4 Definition Block Encoding */
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