diff options
Diffstat (limited to 'src/misc')
| -rw-r--r-- | src/misc/ptsname.c | 8 | ||||
| -rw-r--r-- | src/misc/pty.c | 9 |
2 files changed, 13 insertions, 4 deletions
diff --git a/src/misc/ptsname.c b/src/misc/ptsname.c index 4f56781d..a3477927 100644 --- a/src/misc/ptsname.c +++ b/src/misc/ptsname.c @@ -1,9 +1,15 @@ #include <stdlib.h> +#include <errno.h> int __ptsname_r(int, char *, size_t); char *ptsname(int fd) { static char buf[9 + sizeof(int)*3 + 1]; - return __ptsname_r(fd, buf, sizeof buf) < 0 ? 0 : buf; + int err = __ptsname_r(fd, buf, sizeof buf); + if (err) { + errno = err; + return 0; + } + return buf; } diff --git a/src/misc/pty.c b/src/misc/pty.c index 6ca33e31..9e201ef3 100644 --- a/src/misc/pty.c +++ b/src/misc/pty.c @@ -2,7 +2,9 @@ #include <sys/ioctl.h> #include <stdio.h> #include <fcntl.h> +#include <errno.h> #include "libc.h" +#include "syscall.h" int posix_openpt(int flags) { @@ -22,10 +24,11 @@ int unlockpt(int fd) int __ptsname_r(int fd, char *buf, size_t len) { - int pty; + int pty, err; if (!buf) len = 0; - return -( ioctl (fd, TIOCGPTN, &pty) < 0 - || snprintf(buf, len, "/dev/pts/%d", pty) >= len ); + if ((err = __syscall(SYS_ioctl, fd, TIOCGPTN, &pty))) return err; + if (snprintf(buf, len, "/dev/pts/%d", pty) >= len) return ERANGE; + return 0; } weak_alias(__ptsname_r, ptsname_r); |