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1.4 ! ratchov 1: /* $OpenBSD: opt.c,v 1.3 2016/01/08 10:54:07 ratchov Exp $ */
1.1 ratchov 2: /*
3: * Copyright (c) 2008-2011 Alexandre Ratchov <alex@caoua.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #include <string.h>
18:
19: #include "dev.h"
20: #include "opt.h"
21: #include "utils.h"
22:
23: /*
24: * create a new audio sub-device "configuration"
25: */
26: struct opt *
1.4 ! ratchov 27: opt_new(struct dev *d, char *name,
1.1 ratchov 28: int pmin, int pmax, int rmin, int rmax,
29: int maxweight, int mmc, int dup, unsigned int mode)
30: {
1.3 ratchov 31: struct opt *o;
1.1 ratchov 32: unsigned int len;
33: char c;
34:
1.4 ! ratchov 35: if (opt_byname(d, name)) {
! 36: dev_log(d);
! 37: log_puts(".");
1.3 ratchov 38: log_puts(name);
39: log_puts(": already defined\n");
40: return NULL;
41: }
1.1 ratchov 42: for (len = 0; name[len] != '\0'; len++) {
43: if (len == OPT_NAMEMAX) {
1.3 ratchov 44: log_puts(name);
45: log_puts(": too long\n");
46: return NULL;
1.1 ratchov 47: }
48: c = name[len];
49: if ((c < 'a' || c > 'z') &&
50: (c < 'A' || c > 'Z')) {
1.3 ratchov 51: log_puts(name);
52: log_puts(": only alphabetic chars allowed\n");
53: return NULL;
1.1 ratchov 54: }
55: }
56: o = xmalloc(sizeof(struct opt));
57: if (mode & MODE_PLAY) {
58: o->pmin = pmin;
59: o->pmax = pmax;
60: }
61: if (mode & MODE_RECMASK) {
62: o->rmin = rmin;
63: o->rmax = rmax;
64: }
65: o->maxweight = maxweight;
66: o->mmc = mmc;
67: o->dup = dup;
68: o->mode = mode;
69: memcpy(o->name, name, len + 1);
1.4 ! ratchov 70: o->next = d->opt_list;
! 71: d->opt_list = o;
1.1 ratchov 72: if (log_level >= 2) {
1.4 ! ratchov 73: dev_log(d);
1.1 ratchov 74: log_puts(".");
75: log_puts(o->name);
76: log_puts(":");
77: if (o->mode & MODE_REC) {
78: log_puts(" rec=");
79: log_putu(o->rmin);
80: log_puts(":");
81: log_putu(o->rmax);
82: }
83: if (o->mode & MODE_PLAY) {
84: log_puts(" play=");
85: log_putu(o->pmin);
86: log_puts(":");
87: log_putu(o->pmax);
88: log_puts(" vol=");
89: log_putu(o->maxweight);
90: }
91: if (o->mode & MODE_MON) {
92: log_puts(" mon=");
93: log_putu(o->rmin);
94: log_puts(":");
95: log_putu(o->rmax);
96: }
97: if (o->mode & (MODE_RECMASK | MODE_PLAY)) {
98: if (o->mmc)
99: log_puts(" mmc");
100: if (o->dup)
101: log_puts(" dup");
102: }
103: log_puts("\n");
104: }
105: return o;
106: }
107:
108: struct opt *
1.4 ! ratchov 109: opt_byname(struct dev *d, char *name)
1.1 ratchov 110: {
111: struct opt *o;
112:
1.4 ! ratchov 113: for (o = d->opt_list; o != NULL; o = o->next) {
1.1 ratchov 114: if (strcmp(name, o->name) == 0)
115: return o;
116: }
117: return NULL;
118: }
119:
120: void
1.4 ! ratchov 121: opt_del(struct dev *d, struct opt *o)
1.1 ratchov 122: {
123: struct opt **po;
124:
1.4 ! ratchov 125: for (po = &d->opt_list; *po != o; po = &(*po)->next) {
1.1 ratchov 126: #ifdef DEBUG
127: if (*po == NULL) {
128: log_puts("opt_del: not on list\n");
129: panic();
130: }
131: #endif
132: }
133: *po = o->next;
134: xfree(o);
135: }