ericonr
/
sndio
mirror of https://github.com/ericonr/sndio.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branch 'master' into mixer

This commit is contained in:
Alexandre Ratchov 2018-07-03 09:00:38 +02:00
parent bc32c07bcd ea55b2c67d
commit 6a9d8027d5
1 changed files with 56 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
midicat/midicat.c
View File

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