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Improve printing of values when changing a variable.

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This commit is contained in:
augustss 1997-05-23 17:55:29 +00:00
parent 7f69979797
commit f02b371b53
1 changed files with 36 additions and 21 deletions
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57
usr.bin/mixerctl/mixerctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: mixerctl.c,v 1.3 1997/05/19 17:32:07 augustss Exp $ */
/* $NetBSD: mixerctl.c,v 1.4 1997/05/23 17:55:29 augustss Exp $ */
/*
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -52,6 +52,7 @@ struct field {
char *name;
mixer_ctrl_t *valp;
mixer_devinfo_t *infp;
char changed;
} *fields, *rfields;
mixer_ctrl_t *values;
@ -88,7 +89,10 @@ prfield(struct field *p, char *sep, int prvalset)
m = p->valp;
switch(m->type) {
case AUDIO_MIXER_ENUM:
fprintf(out, "%s", p->infp->un.e.member[m->un.ord].label.name);
for(i = 0; i < p->infp->un.e.num_mem; i++)
if (p->infp->un.e.member[i].ord == m->un.ord)
fprintf(out, "%s",
p->infp->un.e.member[i].label.name);
if (prvalset) {
fprintf(out, " [ ");
for(i = 0; i < p->infp->un.e.num_mem; i++)
@ -120,17 +124,14 @@ prfield(struct field *p, char *sep, int prvalset)
}
}
void
rdfield(struct field *p, char *q, char *sep)
int
rdfield(struct field *p, char *q)
{
mixer_ctrl_t *m;
int v, v0, v1;
int v, v0, v1, mask;
int i;
char *s;
if (sep)
prfield(p, ": ", 0);
m = p->valp;
switch(m->type) {
case AUDIO_MIXER_ENUM:
@ -139,11 +140,13 @@ rdfield(struct field *p, char *q, char *sep)
break;
if (i < p->infp->un.e.num_mem)
m->un.ord = p->infp->un.e.member[i].ord;
else
else {
warnx("Bad enum value %s", q);
return 0;
}
break;
case AUDIO_MIXER_SET:
m->un.mask = 0;
mask = 0;
for(v = 0; q && *q; q = s) {
s = strchr(q, ',');
if (s)
@ -152,10 +155,13 @@ rdfield(struct field *p, char *q, char *sep)
if (strcmp(p->infp->un.s.member[i].label.name, q) == 0)
break;
if (i < p->infp->un.s.num_mem) {
m->un.mask |= p->infp->un.s.member[i].mask;
} else
mask |= p->infp->un.s.member[i].mask;
} else {
warnx("Bad set value %s", q);
return 0;
}
}
m->un.mask = mask;
break;
case AUDIO_MIXER_VALUE:
if (m->un.value.num_channels == 1) {
@ -163,6 +169,7 @@ rdfield(struct field *p, char *q, char *sep)
m->un.value.level[0] = v;
} else {
warnx("Bad number %s", q);
return 0;
}
} else {
if (sscanf(q, "%d,%d", &v0, &v1) == 2) {
@ -172,18 +179,15 @@ rdfield(struct field *p, char *q, char *sep)
m->un.value.level[0] = m->un.value.level[1] = v;
} else {
warnx("Bad numbers %s", q);
return 0;
}
}
break;
default:
errx(1, "Invalid format.");
}
if (sep) {
fprintf(out, " -> ");
prfield(p, 0, 0);
fprintf(out, "\n");
}
p->changed = 1;
return 1;
}
void
@ -194,6 +198,7 @@ main(int argc, char **argv)
char *file = "/dev/mixer";
char *sep = "=";
mixer_devinfo_t dinfo;
mixer_ctrl_t val;
int ndev;
prog = *argv;
@ -302,9 +307,19 @@ main(int argc, char **argv)
if (p == 0)
warnx("field %s does not exist", *argv);
else {
rdfield(p, q, sep);
if (ioctl(fd, AUDIO_MIXER_WRITE, p->valp) < 0)
warn(NULL);
val = *p->valp;
if (rdfield(p, q)) {
if (ioctl(fd, AUDIO_MIXER_WRITE, p->valp) < 0)
warn(NULL);
else if (sep) {
*p->valp = val;
prfield(p, ": ", 0);
ioctl(fd, AUDIO_MIXER_READ, p->valp);
printf(" -> ");
prfield(p, 0, 0);
printf("\n");
}
}
}
} else {
warnx("No `=' in %s", *argv);