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#include "hybbx/messages.h"
#include "hybbx/session.h"
#include "hybbx/traffic.h"
#include <stdio.h>
#include <string.h>
static hybbx_result_t msg_format_prefixed(char *out, size_t out_len,
const char *prefix,
const char *from_label,
const char *body)
{
int n;
if (out == NULL || out_len == 0 || prefix == NULL || body == NULL) {
return HYBBX_ERR_INVALID;
}
if (from_label != NULL && from_label[0] != '\0') {
n = snprintf(out, out_len, "%s%s: %s", prefix, from_label, body);
} else {
n = snprintf(out, out_len, "%s%s", prefix, body);
}
if (n < 0 || (size_t)n >= out_len) {
return HYBBX_ERR_INVALID;
}
return HYBBX_OK;
}
hybbx_result_t hybbx_msg_format_system(char *out, size_t out_len,
const char *body)
{
return msg_format_prefixed(out, out_len, HYBBX_MSG_PREFIX_SYSTEM,
NULL, body);
}
hybbx_result_t hybbx_msg_format_sysop(char *out, size_t out_len,
const char *from_label,
const char *body)
{
return msg_format_prefixed(out, out_len, HYBBX_MSG_PREFIX_SYSOP,
from_label, body);
}
hybbx_result_t hybbx_msg_format_private(char *out, size_t out_len,
const char *from_label,
const char *body)
{
return msg_format_prefixed(out, out_len, HYBBX_MSG_PREFIX_PRIVATE,
from_label, body);
}
static hybbx_result_t msg_send_formatted(struct hybbx_session *session,
hybbx_result_t (*format_fn)(char *,
size_t,
const char *,
const char *),
const char *from_label,
const char *body)
{
char line[HYBBX_LINE_MAX];
hybbx_result_t rc;
if (session == NULL || body == NULL) {
return HYBBX_ERR_INVALID;
}
rc = format_fn(line, sizeof(line), from_label, body);
if (rc != HYBBX_OK) {
return rc;
}
return hybbx_session_write_line(session, line);
}
hybbx_result_t hybbx_msg_send_system(struct hybbx_session *session,
const char *body)
{
char line[HYBBX_LINE_MAX];
hybbx_result_t rc;
if (session == NULL || body == NULL) {
return HYBBX_ERR_INVALID;
}
rc = hybbx_msg_format_system(line, sizeof(line), body);
if (rc != HYBBX_OK) {
return rc;
}
return hybbx_session_write_line(session, line);
}
hybbx_result_t hybbx_msg_send_sysop(struct hybbx_session *session,
const char *from_label,
const char *body)
{
return msg_send_formatted(session, hybbx_msg_format_sysop,
from_label, body);
}
hybbx_result_t hybbx_msg_send_private(struct hybbx_session *session,
const char *from_label,
const char *body)
{
return msg_send_formatted(session, hybbx_msg_format_private,
from_label, body);
}
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