Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 1 | #include "internal.h" |
| 2 | #include <errno.h> |
| 3 | #include <fcntl.h> |
| 4 | #include <stdio.h> |
| 5 | #include <linux/kd.h> |
| 6 | #include <linux/keyboard.h> |
| 7 | #include <sys/ioctl.h> |
| 8 | |
| 9 | |
Eric Andersen | e77ae3a | 1999-10-19 20:03:34 +0000 | [diff] [blame] | 10 | static const char loadkmap_usage[] = "loadkmap\n" |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 11 | "\n" |
| 12 | "\tLoad a binary keyboard translation table from standard input.\n" |
| 13 | "\n"; |
| 14 | |
| 15 | |
| 16 | int |
Eric Andersen | b0e9a70 | 1999-10-18 22:28:26 +0000 | [diff] [blame] | 17 | loadkmap_main(int argc, char * * argv) |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 18 | { |
| 19 | struct kbentry ke; |
| 20 | u_short *ibuff; |
| 21 | int i,j,fd,readsz,pos,ibuffsz=NR_KEYS * sizeof(u_short); |
| 22 | char flags[MAX_NR_KEYMAPS],magic[]="bkeymap",buff[7]; |
| 23 | |
| 24 | fd = open("/dev/tty0", O_RDWR); |
| 25 | if (fd < 0) { |
| 26 | fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); |
| 27 | return 1; |
| 28 | } |
| 29 | |
| 30 | read(0,buff,7); |
| 31 | if (0 != strncmp(buff,magic,7)) { |
| 32 | fprintf(stderr, "This is not a valid binary keymap.\n"); |
| 33 | return 1; |
| 34 | } |
| 35 | |
| 36 | if ( MAX_NR_KEYMAPS != read(0,flags,MAX_NR_KEYMAPS) ) { |
| 37 | fprintf(stderr, "Error reading keymap flags: %s\n", strerror(errno)); |
| 38 | return 1; |
| 39 | } |
| 40 | |
| 41 | ibuff=(u_short *) malloc(ibuffsz); |
| 42 | if (!ibuff) { |
| 43 | fprintf(stderr, "Out of memory.\n"); |
| 44 | return 1; |
| 45 | } |
| 46 | |
| 47 | for(i=0; i<MAX_NR_KEYMAPS; i++) { |
| 48 | if (flags[i]==1){ |
| 49 | pos=0; |
| 50 | while (pos < ibuffsz) { |
Eric Andersen | e77ae3a | 1999-10-19 20:03:34 +0000 | [diff] [blame] | 51 | if ( (readsz = read(0,(char *)ibuff+pos,ibuffsz-pos)) < 0 ) { |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 52 | fprintf(stderr, "Error reading keymap: %s\n", |
| 53 | strerror(errno)); |
| 54 | return 1; |
| 55 | } |
| 56 | pos += readsz; |
| 57 | } |
| 58 | for(j=0; j<NR_KEYS; j++) { |
| 59 | ke.kb_index = j; |
| 60 | ke.kb_table = i; |
| 61 | ke.kb_value = ibuff[j]; |
| 62 | ioctl(fd, KDSKBENT, &ke); |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | close (fd); |
| 67 | return 0; |
| 68 | } |