diff options
Diffstat (limited to 'src/client-tty.c')
-rw-r--r-- | src/client-tty.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/client-tty.c b/src/client-tty.c new file mode 100644 index 0000000..e94d560 --- /dev/null +++ b/src/client-tty.c @@ -0,0 +1,55 @@ +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include <termios.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <assert.h> + +#include "client-tty.h" + +struct stream* stream_client_tty(const char *args) { + struct stream *s = NULL; + struct termios ts; + int fd = -1; + + s = malloc(sizeof(struct stream)); + assert(s); + memset(s, 0, sizeof(struct stream)); + + if ((fd = open(args, O_RDWR|O_NOCTTY)) < 0) { + fprintf(stderr, "open('%s', O_RDWR|O_NOCTTY): %s\n", args, strerror(errno)); + goto fail; + } + + if (tcgetattr(fd, &ts) < 0) { + fprintf(stderr, "tcgetattr(): %s\n", strerror(errno)); + goto fail; + } + + cfmakeraw(&ts); + + ts.c_cflag |= HUPCL | CS8 | CLOCAL; + ts.c_iflag |= IGNPAR | IGNBRK; + + ts.c_cc[VMIN] = 1; + ts.c_cc[VTIME] = 0; + + tcflush(fd, TCIOFLUSH); + + if (tcsetattr(fd, TCSANOW, &ts) < 0) { + fprintf(stderr, "tcsetattr(): %s\n", strerror(errno)); + goto fail; + } + + s->input_fd = s->output_fd = fd; + return s; + +fail: + free(s); + if (fd >= 0) + close(fd); + + return NULL; +} |