Bionic lacks ttyname_r; provide a workaround
Signed-off-by: Matt Whitlock <busybox@mattwhitlock.name>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/include/platform.h b/include/platform.h
index df95945..d5ab7bc 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -368,6 +368,7 @@
#define HAVE_DPRINTF 1
#define HAVE_MEMRCHR 1
#define HAVE_MKDTEMP 1
+#define HAVE_TTYNAME_R 1
#define HAVE_PTSNAME_R 1
#define HAVE_SETBIT 1
#define HAVE_SIGHANDLER_T 1
@@ -480,6 +481,7 @@
#if defined(ANDROID) || defined(__ANDROID__)
# undef HAVE_DPRINTF
+# undef HAVE_TTYNAME_R
# undef HAVE_GETLINE
# undef HAVE_STPCPY
# undef HAVE_STRCHRNUL
@@ -505,6 +507,11 @@
extern char *mkdtemp(char *template) FAST_FUNC;
#endif
+#ifndef HAVE_TTYNAME_R
+#define ttyname_r bb_ttyname_r
+extern int ttyname_r(int fd, char *buf, size_t buflen);
+#endif
+
#ifndef HAVE_SETBIT
# define setbit(a, b) ((a)[(b) >> 3] |= 1 << ((b) & 7))
# define clrbit(a, b) ((a)[(b) >> 3] &= ~(1 << ((b) & 7)))