*
*/
-#include "busybox.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
#include <sys/ioctl.h>
+#include "busybox.h"
#define BINARY_KEYMAP_MAGIC "bkeymap"
unsigned char kb_index;
unsigned short kb_value;
};
-static const int KDSKBENT = 0x4B47; /* sets one entry in translation table */
+/* sets one entry in translation table */
+#define KDSKBENT 0x4B47
/* 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 loadkmap_main(int argc, char **argv)
{
struct kbentry ke;
- u_short *ibuff;
- int i, j, fd, readsz, pos, ibuffsz = NR_KEYS * sizeof(u_short);
- char flags[MAX_NR_KEYMAPS], buff[7];
+ int i, j, fd;
+ u_short ibuff[NR_KEYS];
+ char flags[MAX_NR_KEYMAPS];
+ char buff[7];
if (argc != 1)
- usage(loadkmap_usage);
-
- fd = open("/dev/tty0", O_RDWR);
- if (fd < 0)
- perror_msg_and_die("Error opening /dev/tty0");
+ bb_show_usage();
- read(0, buff, 7);
- if (0 != strncmp(buff, BINARY_KEYMAP_MAGIC, 7))
- error_msg_and_die("This is not a valid binary keymap.\n");
+ fd = bb_xopen(CURRENT_VC, O_RDWR);
- if (MAX_NR_KEYMAPS != read(0, flags, MAX_NR_KEYMAPS))
- perror_msg_and_die("Error reading keymap flags");
+ if ((bb_full_read(0, buff, 7) != 7) || (strncmp(buff, BINARY_KEYMAP_MAGIC, 7) != 0))
+ bb_error_msg_and_die("This is not a valid binary keymap.");
- ibuff = (u_short *) xmalloc(ibuffsz);
+ if (bb_full_read(0, flags, MAX_NR_KEYMAPS) != MAX_NR_KEYMAPS)
+ bb_perror_msg_and_die("Error reading keymap flags");
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
if (flags[i] == 1) {
- pos = 0;
- while (pos < ibuffsz) {
- if ((readsz = read(0, (char *) ibuff + pos, ibuffsz - pos)) < 0)
- perror_msg_and_die("Error reading keymap");
- pos += readsz;
- }
+ bb_full_read(0, ibuff, NR_KEYS * sizeof(u_short));
for (j = 0; j < NR_KEYS; j++) {
ke.kb_index = j;
ke.kb_table = i;
}
}
}
- /* Don't bother to close files. Exit does that
+
+ /* Don't bother to close files. Exit does that
* automagically, so we can save a few bytes */
/* close(fd); */
return EXIT_SUCCESS;