/* SPDX-License-Identifier: GPL-2.0 */ #include "keysyms.h" #include <linux/ctype.h> #include <linux/kernel.h> const char *key_name(int key, char *bf, size_t size) { if (isprint(key)) { scnprintf(bf, size, "%c", key); } else if (key < 32) { scnprintf(bf, size, "Ctrl+%c", key + '@'); } else { const char *name = NULL; switch (key) { case K_DOWN: name = "Down"; break; case K_END: name = "End"; break; case K_ENTER: name = "Enter"; break; case K_ESC: name = "ESC"; break; case K_F1: name = "F1"; break; case K_HOME: name = "Home"; break; case K_LEFT: name = "Left"; break; case K_PGDN: name = "PgDown"; break; case K_PGUP: name = "PgUp"; break; case K_RIGHT: name = "Right"; break; case K_TAB: name = "Tab"; break; case K_UNTAB: name = "Untab"; break; case K_UP: name = "Up"; break; case K_BKSPC: name = "Backspace"; break; case K_DEL: name = "Del"; break; default: if (key >= SL_KEY_F(1) && key <= SL_KEY_F(63)) scnprintf(bf, size, "F%d", key - SL_KEY_F(0)); else scnprintf(bf, size, "Unknown (%d)", key); } if (name) scnprintf(bf, size, "%s", name); } return bf; }