projects
/
musl
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
history
|
raw
|
HEAD
fix mips clone() on real linux kernel
[musl]
/
src
/
unistd
/
ctermid.c
1
#include <stdio.h>
2
#include <stdlib.h>
3
#include <string.h>
4
#include <fcntl.h>
5
#include <unistd.h>
6
#include <limits.h>
7
8
char *ctermid(char *s)
9
{
10
static char *s2;
11
int fd;
12
if (!s) {
13
if (!s2) s2 = malloc(L_ctermid);
14
s = s2;
15
}
16
fd = open("/dev/tty", O_WRONLY | O_NOCTTY);
17
if (fd < 0)
18
return strcpy(s, "");
19
if (ttyname_r(fd, s, L_ctermid))
20
strcpy(s, "");
21
close(fd);
22
return s;
23
}