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/* SPDX-License-Identifier: Apache-2.0 */
/*
* Copyright (C) Andrew Clayton
* Copyright (C) F5, Inc.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <string.h>
#include "unit-wasm-raw.h"
__attribute__((import_module("env"), import_name("nxt_wasm_send_headers")))
void nxt_wasm_send_headers(u32 offset);
void send_headers(u8 *addr, const char *ct, size_t len)
{
struct resp_hdr *rh;
char clen[32];
u8 *p;
static const u32 hdr_offs = 0;
rh = (struct resp_hdr *)addr;
#define SET_HDR_FIELD(idx, name, val) \
do { \
rh->fields[idx].name_offs = p - addr; \
rh->fields[idx].name_len = strlen(name); \
p = mempcpy(p, name, rh->fields[idx].name_len); \
rh->fields[idx].value_offs = p - addr; \
rh->fields[idx].value_len = strlen(val); \
p = mempcpy(p, val, rh->fields[idx].value_len); \
} while (0)
rh->nr_fields = 2;
p = addr + sizeof(struct resp_hdr) +
(rh->nr_fields * sizeof(struct hdr_field));
SET_HDR_FIELD(0, "Content-Type", ct);
snprintf(clen, sizeof(clen), "%lu", len);
SET_HDR_FIELD(1, "Content-Length", clen);
nxt_wasm_send_headers(hdr_offs);
}
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