63 lines
982 B
C
63 lines
982 B
C
/*
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* Mostly ripped off of console-tools' writevt.c
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*/
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#include <stdio.h>
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#include <fcntl.h>
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#include <termios.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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char *progname;
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static int usage() {
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printf("Usage: %s ttydev text\n", progname);
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return 2;
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}
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int main(int argc, char **argv) {
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int fd, argi;
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char *term = NULL;
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char *text = NULL;
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progname = argv[0];
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argi = 1;
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if (argi < argc)
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term = argv[argi++];
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else {
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fprintf(stderr, "%s: no tty specified\n", progname);
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return usage();
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}
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if (argi < argc)
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text = argv[argi++];
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else {
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fprintf(stderr, "%s: no text specified\n", progname);
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return usage();
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}
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if (argi != argc) {
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fprintf(stderr, "%s: too many arguments\n", progname);
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return usage();
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}
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fd = open(term, O_RDONLY);
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if (fd < 0) {
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perror(term);
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fprintf(stderr, "%s: could not open tty\n", progname);
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return 1;
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}
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while (*text) {
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if (ioctl(fd, TIOCSTI, text)) {
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perror("ioctl");
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return 1;
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}
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text++;
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}
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return 0;
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}
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