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Data fetcher: Split header emitting out into helper.

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This commit is contained in:
Michael Drake 2019-11-10 12:19:02 +00:00
parent 58094ffaa5
commit 0dfbc80587
1 changed files with 26 additions and 15 deletions
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41
content/fetchers/data.c
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@ -82,6 +82,29 @@ static void fetch_data_send_callback(const fetch_msg *msg,
c->locked = false; c->locked = false;
} }
static void fetch_data_send_header(struct fetch_data_context *ctx,
const char *fmt, ...)
{
char header[64];
fetch_msg msg = {
.type = FETCH_HEADER,
.data.header_or_data.buf = (const uint8_t *) header,
};
va_list ap;
int len;
va_start(ap, fmt);
len = vsnprintf(header, sizeof(header), fmt, ap);
va_end(ap);
if (len >= (int)sizeof(header) || len < 0) {
return;
}
msg.data.header_or_data.len = len;
fetch_data_send_callback(&msg, ctx);
}
static void *fetch_data_setup(struct fetch *parent_fetch, nsurl *url, static void *fetch_data_setup(struct fetch *parent_fetch, nsurl *url,
bool only_2xx, bool downgrade_tls, const char *post_urlenc, bool only_2xx, bool downgrade_tls, const char *post_urlenc,
const struct fetch_multipart_data *post_multipart, const struct fetch_multipart_data *post_multipart,
@ -242,8 +265,6 @@ static void fetch_data_poll(lwc_string *scheme)
/* Only process non-aborted fetches */ /* Only process non-aborted fetches */
if (c->aborted == false && fetch_data_process(c) == true) { if (c->aborted == false && fetch_data_process(c) == true) {
char header[64];
fetch_set_http_code(c->parent_fetch, 200); fetch_set_http_code(c->parent_fetch, 200);
NSLOG(netsurf, INFO, NSLOG(netsurf, INFO,
"setting data: MIME type to %s, length to %"PRIsizet, "setting data: MIME type to %s, length to %"PRIsizet,
@ -253,22 +274,12 @@ static void fetch_data_poll(lwc_string *scheme)
* Therefore, we _must_ check for this after _every_ * Therefore, we _must_ check for this after _every_
* call to fetch_data_send_callback(). * call to fetch_data_send_callback().
*/ */
snprintf(header, sizeof header, "Content-Type: %s", fetch_data_send_header(c, "Content-Type: %s",
c->mimetype); c->mimetype);
msg.type = FETCH_HEADER;
msg.data.header_or_data.buf = (const uint8_t *) header;
msg.data.header_or_data.len = strlen(header);
fetch_data_send_callback(&msg, c);
if (c->aborted == false) { if (c->aborted == false) {
snprintf(header, sizeof header, fetch_data_send_header(c, "Content-Length: %"
"Content-Length: %" PRIsizet, PRIsizet, c->datalen);
c->datalen);
msg.type = FETCH_HEADER;
msg.data.header_or_data.buf =
(const uint8_t *) header;
msg.data.header_or_data.len = strlen(header);
fetch_data_send_callback(&msg, c);
} }
if (c->aborted == false) { if (c->aborted == false) {