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fakeidentd: avoid extra fcntl calls

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This commit is contained in:
Denis Vlasenko 2007-01-14 12:31:26 +00:00
parent 19250813a8
commit c14c95ec89
1 changed files with 13 additions and 11 deletions
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24
networking/isrv_identd.c
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@ -41,11 +41,13 @@ static int do_rd(int fd, void **paramp)
{
identd_buf_t *buf = *paramp;
char *cur, *p;
int retval = 0; /* session is ok (so far) */
int sz;
cur = buf->buf + buf->pos;
fcntl(fd, F_SETFL, buf->fd_flag);
if (buf->fd_flag & O_NONBLOCK)
fcntl(fd, F_SETFL, buf->fd_flag);
sz = safe_read(fd, cur, sizeof(buf->buf) - buf->pos);
if (sz < 0) {
@ -59,18 +61,18 @@ static int do_rd(int fd, void **paramp)
p = strpbrk(cur, "\r\n");
if (p)
*p = '\0';
if (p || !sz || buf->pos == sizeof(buf->buf)) {
/* fd is still in nonblocking mode - we never block here */
fdprintf(fd, "%s : USERID : UNIX : %s\r\n", buf->buf, bogouser);
goto term;
}
ok:
fcntl(fd, F_SETFL, buf->fd_flag & ~O_NONBLOCK);
return 0;
if (!p && sz && buf->pos <= sizeof(buf->buf))
goto ok;
/* Terminate session. If we are in server mode, then
* fd is still in nonblocking mode - we never block here */
fdprintf(fd, "%s : USERID : UNIX : %s\r\n", buf->buf, bogouser);
term:
fcntl(fd, F_SETFL, buf->fd_flag & ~O_NONBLOCK);
free(buf);
return 1;
retval = 1; /* terminate */
ok:
if (buf->fd_flag & O_NONBLOCK)
fcntl(fd, F_SETFL, buf->fd_flag & ~O_NONBLOCK);
return retval;
}
static int do_timeout(void **paramp)