diff options
author | Eric Andersen <andersen@codepoet.org> | 1999-10-05 20:24:54 +0400 |
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committer | Eric Andersen <andersen@codepoet.org> | 1999-10-05 20:24:54 +0400 |
commit | cc8ed39b240180b58810784f844e253263594ac3 (patch) | |
tree | 15feebbb4be9a9168209609f48f0b100f9364420 /console-tools/loadkmap.c |
Initial revision0_29alpha2
Diffstat (limited to 'console-tools/loadkmap.c')
-rw-r--r-- | console-tools/loadkmap.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c new file mode 100644 index 000000000..0f092d193 --- /dev/null +++ b/console-tools/loadkmap.c @@ -0,0 +1,68 @@ +#include "internal.h" +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <linux/kd.h> +#include <linux/keyboard.h> +#include <sys/ioctl.h> + + +const char loadkmap_usage[] = "loadkmap\n" +"\n" +"\tLoad a binary keyboard translation table from standard input.\n" +"\n"; + + +int +loadkmap_main(struct FileInfo * info, 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],magic[]="bkeymap",buff[7]; + + fd = open("/dev/tty0", O_RDWR); + if (fd < 0) { + fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); + return 1; + } + + read(0,buff,7); + if (0 != strncmp(buff,magic,7)) { + fprintf(stderr, "This is not a valid binary keymap.\n"); + return 1; + } + + if ( MAX_NR_KEYMAPS != read(0,flags,MAX_NR_KEYMAPS) ) { + fprintf(stderr, "Error reading keymap flags: %s\n", strerror(errno)); + return 1; + } + + ibuff=(u_short *) malloc(ibuffsz); + if (!ibuff) { + fprintf(stderr, "Out of memory.\n"); + return 1; + } + + for(i=0; i<MAX_NR_KEYMAPS; i++) { + if (flags[i]==1){ + pos=0; + while (pos < ibuffsz) { + if ( (readsz = read(0,ibuff+pos,ibuffsz-pos)) < 0 ) { + fprintf(stderr, "Error reading keymap: %s\n", + strerror(errno)); + return 1; + } + pos += readsz; + } + for(j=0; j<NR_KEYS; j++) { + ke.kb_index = j; + ke.kb_table = i; + ke.kb_value = ibuff[j]; + ioctl(fd, KDSKBENT, &ke); + } + } + } + close (fd); + return 0; +} |