X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Funistd%2Fttyname_r.c;h=8bac7b2f3ab10cb0929341ca1425af65c8d409bf;hb=233767b48a083f526557ee39aa1c773efa345972;hp=f86fbd9c9bccd0dc33c7ab6dacb2dfe17382309c;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/unistd/ttyname_r.c b/src/unistd/ttyname_r.c
index f86fbd9c..8bac7b2f 100644
--- a/src/unistd/ttyname_r.c
+++ b/src/unistd/ttyname_r.c
@@ -1,7 +1,7 @@
 #include <unistd.h>
 #include <errno.h>
-#include <stdio.h>
-#include <string.h>
+
+void __procfdname(char *, unsigned);
 
 int ttyname_r(int fd, char *name, size_t size)
 {
@@ -10,10 +10,13 @@ int ttyname_r(int fd, char *name, size_t size)
 
 	if (!isatty(fd)) return ENOTTY;
 
-	snprintf(procname, sizeof procname, "/proc/self/fd/%d", fd);
+	__procfdname(procname, fd);
 	l = readlink(procname, name, size);
 
 	if (l < 0) return errno;
 	else if (l == size) return ERANGE;
-	else return 0;
+	else {
+		name[l] = 0;
+		return 0;
+	}
 }