X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmisc%2Fpty.c;h=a0577147a4c2b6ef251ede679d56354b406fbb4c;hb=e3e7189c11d909199155327fd6a93dcc6b68c7b3;hp=6ca33e3169b66fc1874343b21802bf17d788305e;hpb=750b738e53f799443fcfcd3a0751318c072a022f;p=musl

diff --git a/src/misc/pty.c b/src/misc/pty.c
index 6ca33e31..a0577147 100644
--- a/src/misc/pty.c
+++ b/src/misc/pty.c
@@ -2,11 +2,14 @@
 #include <sys/ioctl.h>
 #include <stdio.h>
 #include <fcntl.h>
-#include "libc.h"
+#include <errno.h>
+#include "syscall.h"
 
 int posix_openpt(int flags)
 {
-	return open("/dev/ptmx", flags);
+	int r = open("/dev/ptmx", flags);
+	if (r < 0 && errno == ENOSPC) errno = EAGAIN;
+	return r;
 }
 
 int grantpt(int fd)
@@ -22,10 +25,11 @@ 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);