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setjmp: optimize longjmp prologues
[musl]
/
src
/
unistd
/
ctermid.c
diff --git
a/src/unistd/ctermid.c
b/src/unistd/ctermid.c
index
ffa9b75
..
1612770
100644
(file)
--- a/
src/unistd/ctermid.c
+++ b/
src/unistd/ctermid.c
@@
-1,21
+1,7
@@
#include <stdio.h>
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
#include <string.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <limits.h>
-#include "syscall.h"
char *ctermid(char *s)
{
char *ctermid(char *s)
{
- static char s2[L_ctermid];
- int fd;
- if (!s) s = s2;
- *s = 0;
- fd = open("/dev/tty", O_WRONLY | O_NOCTTY | O_CLOEXEC);
- if (fd >= 0) {
- ttyname_r(fd, s, L_ctermid);
- __syscall(SYS_close, fd);
- }
- return s;
+ return s ? strcpy(s, "/dev/tty") : "/dev/tty";
}
}