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Diffstat (limited to 'newlib/libc/unix/ttyname.c')
-rw-r--r--newlib/libc/unix/ttyname.c59
1 files changed, 3 insertions, 56 deletions
diff --git a/newlib/libc/unix/ttyname.c b/newlib/libc/unix/ttyname.c
index 7e0fec89c..b36bb7408 100644
--- a/newlib/libc/unix/ttyname.c
+++ b/newlib/libc/unix/ttyname.c
@@ -28,67 +28,14 @@
* SUCH DAMAGE.
*/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
+#include "ttyname.h"
+
#include <dirent.h>
#include <unistd.h>
-#include <string.h>
#include <paths.h>
-#include <_syslist.h>
#include <errno.h>
-static char ttyname_buf[sizeof (_PATH_DEV) + MAXNAMLEN] = _PATH_DEV;
-
-/*
- * ttyname_r() - POSIX 1003.1b 4.7.2 - Determine Terminal Device Name
- */
-int
-_DEFUN( ttyname_r,(fd, name, namesize),
- int fd _AND
- char *name _AND
- size_t namesize)
-{
- struct stat sb;
- struct dirent *dirp;
- DIR *dp;
- struct stat dsb;
- char buf[sizeof(ttyname_buf)];
-
- /* Must be a terminal. */
- if (!isatty(fd))
- return ENOTTY;
-
- /* Must be a character device. */
- if (fstat (fd, &sb) || !S_ISCHR (sb.st_mode))
- return ENOTTY;
-
- if ((dp = opendir (_PATH_DEV)) == NULL)
- return EBADF;
-
- strcpy(buf, _PATH_DEV);
- while ((dirp = readdir (dp)) != NULL)
- {
- if (dirp->d_ino != sb.st_ino)
- continue;
- strcpy (buf + sizeof (_PATH_DEV) - 1, dirp->d_name);
- if (stat (buf, &dsb) || sb.st_dev != dsb.st_dev ||
- sb.st_ino != dsb.st_ino)
- continue;
- (void) closedir (dp);
- if(strlen(buf) < namesize) /* < to account for terminating null */
- {
- strcpy(name, buf);
- return 0;
- }
- else
- {
- return ERANGE;
- }
- }
- (void) closedir (dp);
- return EBADF;
-}
+static char ttyname_buf[TTYNAME_BUFSIZE] = _PATH_DEV;
/*
* ttyname() - POSIX 1003.1b 4.7.2 - Determine Terminal Device Name