mailinfo: fold decode_header_bq() into decode_header()

In olden days we might have wanted to behave differently in
decode_header() if the header line was encoded with RFC2047, but we
apparently do not do so, hence this helper function can go, together
with its return value.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2015-10-14 15:33:44 -07:00
parent 2a5ce7cf0d
commit 3a8fcdaf84

View file

@ -525,19 +525,17 @@ static void convert_to_utf8(struct strbuf *line, const char *charset)
strbuf_attach(line, out, strlen(out), strlen(out));
}
static int decode_header_bq(struct strbuf *it)
static void decode_header(struct strbuf *it)
{
char *in, *ep, *cp;
struct strbuf outbuf = STRBUF_INIT, *dec;
struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT;
int rfc2047 = 0;
in = it->buf;
while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) {
int encoding;
strbuf_reset(&charset_q);
strbuf_reset(&piecebuf);
rfc2047 = 1;
if (in != ep) {
/*
@ -567,22 +565,22 @@ static int decode_header_bq(struct strbuf *it)
ep += 2;
if (ep - it->buf >= it->len || !(cp = strchr(ep, '?')))
goto decode_header_bq_out;
goto release_return;
if (cp + 3 - it->buf > it->len)
goto decode_header_bq_out;
goto release_return;
strbuf_add(&charset_q, ep, cp - ep);
encoding = cp[1];
if (!encoding || cp[2] != '?')
goto decode_header_bq_out;
goto release_return;
ep = strstr(cp + 3, "?=");
if (!ep)
goto decode_header_bq_out;
goto release_return;
strbuf_add(&piecebuf, cp + 3, ep - cp - 3);
switch (tolower(encoding)) {
default:
goto decode_header_bq_out;
goto release_return;
case 'b':
dec = decode_b_segment(&piecebuf);
break;
@ -601,17 +599,10 @@ static int decode_header_bq(struct strbuf *it)
strbuf_addstr(&outbuf, in);
strbuf_reset(it);
strbuf_addbuf(it, &outbuf);
decode_header_bq_out:
release_return:
strbuf_release(&outbuf);
strbuf_release(&charset_q);
strbuf_release(&piecebuf);
return rfc2047;
}
static void decode_header(struct strbuf *it)
{
if (decode_header_bq(it))
return;
}
static void decode_transfer_encoding(struct strbuf *line)