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json: write NaN/Infinity float values as strings

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JSON doesn't support these for some god-awful reason. (JSON would have
been so much better if it weren't based on JavaScript, the plague of
this world.)

We don't really care whether these specific values "round trip", so we
might as well write them in a standard-compliant way.

Untested. I was too lazy to even run this, but it probably works.

See #6691.
This commit is contained in:
wm4 2019-10-25 00:30:04 +02:00 committed by sfan5
parent 419c44ccf6
commit 3c7e20a0e2
1 changed files with 4 additions and 2 deletions
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6
misc/json.c
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@ -299,9 +299,11 @@ static int json_append(bstr *b, const struct mpv_node *src, int indent)
case MPV_FORMAT_INT64:
bstr_xappend_asprintf(NULL, b, "%"PRId64, src->u.int64);
return 0;
case MPV_FORMAT_DOUBLE:
bstr_xappend_asprintf(NULL, b, "%f", src->u.double_);
case MPV_FORMAT_DOUBLE: {
const char *px = isfinite(src->u.double_) ? "" : "\"";
bstr_xappend_asprintf(NULL, b, "%s%f%s", px, src->u.double_, px);
return 0;
}
case MPV_FORMAT_STRING:
write_json_str(b, src->u.string);
return 0;