unsigned char kb_index;
unsigned short kb_value;
};
-static const int KDGKBENT = 0x4B46; /* gets one entry in translation table */
+#define KDGKBENT 0x4B46 /* gets one entry in translation table */
/* From <linux/keyboard.h> */
-static const int NR_KEYS = 128;
-static const int MAX_NR_KEYMAPS = 256;
+#define NR_KEYS 128
+#define MAX_NR_KEYMAPS 256
int dumpkmap_main(int argc, char **argv)
{
int i, j, fd;
char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
- if (argc>=2 && *argv[1]=='-') {
- show_usage();
- }
+ if (argc >= 2 && *argv[1] == '-')
+ bb_show_usage();
- fd = open("/dev/tty0", O_RDWR);
- if (fd < 0) {
- perror_msg("Error opening /dev/tty0");
- return EXIT_FAILURE;
- }
+ fd = bb_xopen(CURRENT_VC, O_RDWR);
write(1, magic, 7);
- for (i=0; i < MAX_NR_KEYMAPS; i++) flags[i]=0;
- flags[0]=1;
- flags[1]=1;
- flags[2]=1;
- flags[4]=1;
- flags[5]=1;
- flags[6]=1;
- flags[8]=1;
- flags[9]=1;
- flags[10]=1;
- flags[12]=1;
-
+ /* Here we want to set everything to 0 except for indexes:
+ * [0-2] [4-6] [8-10] [12] */
+ memset(flags, 0x00, MAX_NR_KEYMAPS);
+ memset(flags, 0x01, 13);
+ flags[3] = flags[7] = flags[11] = 0;
+
/* dump flags */
- for (i=0; i < MAX_NR_KEYMAPS; i++) write(1,&flags[i],1);
+ write(1, flags, MAX_NR_KEYMAPS);
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
if (flags[i] == 1) {
ke.kb_index = j;
ke.kb_table = i;
if (ioctl(fd, KDGKBENT, &ke) < 0) {
-
- error_msg("ioctl returned: %s, %s, %s, %xqq", strerror(errno),(char *)&ke.kb_index,(char *)&ke.kb_table,(int)&ke.kb_value);
- }
- else {
- write(1,(void*)&ke.kb_value,2);
- }
-
+ bb_perror_msg("ioctl failed with %s, %s, %p",
+ (char *)&ke.kb_index,
+ (char *)&ke.kb_table,
+ &ke.kb_value);
+ } else {
+ write(1, (void*)&ke.kb_value, 2);
+ }
}
}
}