Soft-deprecate G_VA_COPY in favour of va_copy
-
docs: Soft-deprecate G_VA_COPY in favour of va_copy
We now require C99, which guarantees that va_copy is available.
-
glib: Always implement G_VA_COPY as va_copy()
C99 guarantees that va_copy() exists, so use it, instead of probing for __va_copy(), va_copy(), or a reimplementation from first principles.
-
Replace all uses of G_VA_COPY with Standard C va_copy