diff options
Diffstat (limited to 'newlib/libc/unix/ttyname.c')
| -rw-r--r-- | newlib/libc/unix/ttyname.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/newlib/libc/unix/ttyname.c b/newlib/libc/unix/ttyname.c index 258ba25fe..558f70939 100644 --- a/newlib/libc/unix/ttyname.c +++ b/newlib/libc/unix/ttyname.c @@ -56,7 +56,6 @@ ttyname (fd) struct dirent *dirp; DIR *dp; struct stat dsb; - char *rval; /* Must be a terminal. */ if (tcgetattr (fd, &tty) < 0) @@ -69,7 +68,7 @@ ttyname (fd) if ((dp = _opendir (_PATH_DEV)) == NULL) return NULL; - for (rval = NULL; dirp = _readdir (dp);) + while ((dirp = _readdir (dp)) != NULL) { if (dirp->d_ino != sb.st_ino) continue; @@ -78,9 +77,8 @@ ttyname (fd) sb.st_ino != dsb.st_ino) continue; (void) _closedir (dp); - rval = buf; - break; + return buf; } (void) _closedir (dp); - return rval; + return NULL; } |