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range: Eliminate direct Range member access

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Users of struct Range mess liberally with its members, which makes
refactoring hard.  Create a set of methods, and convert all users to
call them instead of accessing members.  The methods have carefully
worded contracts, and use assertions to check them.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Markus Armbruster 2016-07-01 13:47:47 +02:00 • committed by Michael S. Tsirkin
parent 58e19e6e79
commit a0efbf1660
9 changed files with 176 additions and 74 deletions
Download patch file Download diff file Expand all files Collapse all files

18
qapi/string-output-visitor.c
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@ -83,8 +83,8 @@ static void string_output_set(StringOutputVisitor *sov, char *string)
static void string_output_append(StringOutputVisitor *sov, int64_t a)
{
Range *r = g_malloc0(sizeof(*r));
r->begin = a;
r->end = a + 1;
range_set_bounds(r, a, a);
sov->ranges = range_list_insert(sov->ranges, r);
}
@ -92,28 +92,28 @@ static void string_output_append_range(StringOutputVisitor *sov,
int64_t s, int64_t e)
{
Range *r = g_malloc0(sizeof(*r));
r->begin = s;
r->end = e + 1;
range_set_bounds(r, s, e);
sov->ranges = range_list_insert(sov->ranges, r);
}
static void format_string(StringOutputVisitor *sov, Range *r, bool next,
bool human)
{
if (r->end - r->begin > 1) {
if (range_lob(r) != range_upb(r)) {
if (human) {
g_string_append_printf(sov->string, "0x%" PRIx64 "-0x%" PRIx64,
r->begin, r->end - 1);
range_lob(r), range_upb(r));
} else {
g_string_append_printf(sov->string, "%" PRId64 "-%" PRId64,
r->begin, r->end - 1);
range_lob(r), range_upb(r));
}
} else {
if (human) {
g_string_append_printf(sov->string, "0x%" PRIx64, r->begin);
g_string_append_printf(sov->string, "0x%" PRIx64, range_lob(r));
} else {
g_string_append_printf(sov->string, "%" PRId64, r->begin);
g_string_append_printf(sov->string, "%" PRId64, range_lob(r));
}
}
if (next) {