mirror of https://github.com/ericonr/sndio.git
midicat: Move midi write its own routine.
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@ -21,23 +21,59 @@
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#include <string.h>
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#include "bsd-compat.h"
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#define MIDI_BUFSZ 1024
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char usagestr[] = "usage: midicat [-d] [-i in-file] [-o out-file] "
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"[-q in-port] [-q out-port]\n";
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char *port0, *port1, *ifile, *ofile;
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struct mio_hdl *ih, *oh;
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unsigned char buf[MIDI_BUFSZ];
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int buf_used = 0;
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int ifd = -1, ofd = -1;
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int dump;
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static int
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midi_flush(void)
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{
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int i, n, sep;
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if (buf_used == 0)
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return 1;
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if (ofile != NULL) {
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n = write(ofd, buf, buf_used);
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if (n != buf_used) {
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fprintf(stderr, "%s: short write\n", ofile);
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buf_used = 0;
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return 0;
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}
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} else {
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n = mio_write(oh, buf, buf_used);
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if (n != buf_used) {
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fprintf(stderr, "%s: port disconnected\n",
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ih == oh ? port0 : port1);
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buf_used = 0;
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return 0;
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}
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}
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if (dump) {
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for (i = 0; i < buf_used; i++) {
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sep = (i % 16 == 15 || i == buf_used - 1) ?
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'\n' : ' ';
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fprintf(stderr, "%02x%c", buf[i], sep);
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}
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}
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buf_used = 0;
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return 1;
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}
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int
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main(int argc, char **argv)
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{
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#define MIDI_BUFSZ 1024
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unsigned char buf[MIDI_BUFSZ];
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struct mio_hdl *ih, *oh;
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char *port0, *port1, *ifile, *ofile;
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int ifd, ofd;
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int dump, c, i, len, n, sep, mode;
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dump = 0;
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port0 = port1 = ifile = ofile = NULL;
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ih = oh = NULL;
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ifd = ofd = -1;
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int c, mode;
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while ((c = getopt(argc, argv, "di:o:q:")) != -1) {
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switch (c) {
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@ -144,39 +180,23 @@ main(int argc, char **argv)
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/* transfer until end-of-file or error */
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for (;;) {
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if (ifile != NULL) {
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len = read(ifd, buf, sizeof(buf));
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if (len == 0)
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break;
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if (len < 0) {
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buf_used = read(ifd, buf, sizeof(buf));
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if (buf_used < 0) {
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perror("stdin");
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break;
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}
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if (buf_used == 0)
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break;
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if (!midi_flush())
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break;
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} else {
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len = mio_read(ih, buf, sizeof(buf));
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if (len == 0) {
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buf_used = mio_read(ih, buf, sizeof(buf));
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if (buf_used == 0) {
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fprintf(stderr, "%s: disconnected\n", port0);
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break;
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}
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}
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if (ofile != NULL) {
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n = write(ofd, buf, len);
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if (n != len) {
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fprintf(stderr, "%s: short write\n", ofile);
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if (!midi_flush())
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break;
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}
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} else {
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n = mio_write(oh, buf, len);
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if (n != len) {
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fprintf(stderr, "%s: disconnected\n", port1);
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break;
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}
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}
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if (dump) {
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for (i = 0; i < len; i++) {
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sep = (i % 16 == 15 || i == len - 1) ?
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'\n' : ' ';
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fprintf(stderr, "%02x%c", buf[i], sep);
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}
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}
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}
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