diff options
Diffstat (limited to 'evtest.c')
| -rw-r--r-- | evtest.c | 47 |
1 files changed, 38 insertions, 9 deletions
@@ -169,6 +169,22 @@ static const char * const events[EV_MAX + 1] = { NAME_ELEMENT(EV_FF_STATUS), NAME_ELEMENT(EV_SW), }; +static const int maxval[EV_MAX + 1] = { + [0 ... EV_MAX] = -1, + [EV_SYN] = SYN_MAX, + [EV_KEY] = KEY_MAX, + [EV_REL] = REL_MAX, + [EV_ABS] = ABS_MAX, + [EV_MSC] = MSC_MAX, + [EV_SW] = SW_MAX, + [EV_LED] = LED_MAX, + [EV_SND] = SND_MAX, + [EV_REP] = REP_MAX, + [EV_FF] = FF_MAX, + [EV_FF_STATUS] = FF_STATUS_MAX, +}; + + #ifdef INPUT_PROP_SEMI_MT static const char * const props[INPUT_PROP_MAX + 1] = { [0 ... INPUT_PROP_MAX] = NULL, @@ -750,6 +766,21 @@ static void print_repdata(int fd) } +static inline const char* typename(unsigned int type) +{ + return (type <= EV_MAX && events[type]) ? events[type] : "?"; +} + +static inline const char* codename(unsigned int type, unsigned int code) +{ + return (type <= EV_MAX && code <= maxval[type] && names[type] && names[type][code]) ? names[type][code] : "?"; +} + +static inline const char* propname(unsigned int prop) +{ + return (prop <= INPUT_PROP_MAX && props[prop]) ? props[prop] : "?"; +} + /** * Print static device information (no events). This information includes * version numbers, device name and all bits supported by this device. @@ -789,12 +820,12 @@ static int print_device_info(int fd) for (type = 0; type < EV_MAX; type++) { if (test_bit(type, bit[0]) && type != EV_REP) { - printf(" Event type %d (%s)\n", type, events[type] ? events[type] : "?"); + printf(" Event type %d (%s)\n", type, typename(type)); if (type == EV_SYN) continue; ioctl(fd, EVIOCGBIT(type, KEY_MAX), bit[type]); for (code = 0; code < KEY_MAX; code++) if (test_bit(code, bit[type])) { - printf(" Event code %d (%s)\n", code, names[type] ? (names[type][code] ? names[type][code] : "?") : "?"); + printf(" Event code %d (%s)\n", code, codename(type, code)); if (type == EV_ABS) print_absdata(fd, code); } @@ -811,7 +842,7 @@ static int print_device_info(int fd) } for (prop = 0; prop < INPUT_PROP_MAX; prop++) { if (test_bit(prop, propbits)) - printf(" Property type %d (%s)\n", prop, props[prop] ? props[prop] : "?"); + printf(" Property type %d (%s)\n", prop, propname(prop)); } #endif @@ -848,15 +879,13 @@ static int print_events(int fd) if (type == EV_SYN) { if (code == SYN_MT_REPORT) - printf("++++++++++++++ %s ++++++++++++\n", syns[code]); + printf("++++++++++++++ %s ++++++++++++\n", codename(type, code)); else - printf("-------------- %s ------------\n", syns[code]); + printf("-------------- %s ------------\n", codename(type, code)); } else { printf("type %d (%s), code %d (%s), ", - type, - events[type] ? events[type] : "?", - code, - names[type] ? (names[type][code] ? names[type][code] : "?") : "?"); + type, typename(type), + code, codename(type, code)); if (type == EV_MSC && (code == MSC_RAW || code == MSC_SCAN)) printf("value %02x\n", ev[i].value); else |