mirror of https://github.com/ericonr/sndio.git
124 lines
2.9 KiB
C
124 lines
2.9 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "dev.h"
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#include "conf.h"
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#include "opt.h"
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#ifdef DEBUG
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#include "dbg.h"
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#endif
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struct opt *opt_list = NULL;
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struct opt *
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opt_new(char *name, struct dev *dev,
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struct aparams *wpar, struct aparams *rpar,
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int maxweight, int mmc, int join, unsigned int mode)
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{
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struct opt *o, **po;
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unsigned int len;
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char c;
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for (len = 0; name[len] != '\0'; len++) {
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if (len == OPT_NAMEMAX)
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errx(1, "%s: name too long", name);
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c = name[len];
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if ((c < 'a' || c > 'z') &&
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(c < 'A' || c > 'Z'))
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errx(1, "%s: '%c' not allowed", name, c);
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}
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o = malloc(sizeof(struct opt));
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if (o == NULL)
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err(1, "opt_new: malloc");
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if (mode & MODE_RECMASK)
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o->wpar = (mode & MODE_MON) ? *rpar : *wpar;
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if (mode & MODE_PLAY)
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o->rpar = *rpar;
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o->maxweight = maxweight;
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o->mmc = mmc;
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o->join = join;
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o->mode = mode;
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o->dev = dev;
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memcpy(o->name, name, len + 1);
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for (po = &opt_list; *po != NULL; po = &(*po)->next) {
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if (o->dev->num == (*po)->dev->num &&
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strcmp(o->name, (*po)->name) == 0)
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errx(1, "%s: already defined", o->name);
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}
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o->next = NULL;
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*po = o;
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#ifdef DEBUG
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if (debug_level >= 2) {
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dev_dbg(o->dev);
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dbg_puts(".");
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dbg_puts(o->name);
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dbg_puts(":");
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if (o->mode & MODE_REC) {
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dbg_puts(" rec=");
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dbg_putu(o->wpar.cmin);
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dbg_puts(":");
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dbg_putu(o->wpar.cmax);
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}
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if (o->mode & MODE_PLAY) {
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dbg_puts(" play=");
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dbg_putu(o->rpar.cmin);
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dbg_puts(":");
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dbg_putu(o->rpar.cmax);
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dbg_puts(" vol=");
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dbg_putu(o->maxweight);
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}
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if (o->mode & MODE_MON) {
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dbg_puts(" mon=");
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dbg_putu(o->wpar.cmin);
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dbg_puts(":");
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dbg_putu(o->wpar.cmax);
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}
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if (o->mode & (MODE_RECMASK | MODE_PLAY)) {
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if (o->mmc)
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dbg_puts(" mmc");
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if (o->join)
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dbg_puts(" join");
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}
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if (o->mode & MODE_MIDIIN)
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dbg_puts(" midi/in");
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if (o->mode & MODE_MIDIOUT)
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dbg_puts(" midi/out");
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dbg_puts("\n");
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}
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#endif
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return o;
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}
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struct opt *
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opt_byname(char *name, unsigned int num)
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{
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struct opt *o;
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for (o = opt_list; o != NULL; o = o->next) {
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if (o->dev->num != num)
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continue;
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if (strcmp(name, o->name) == 0)
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return o;
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}
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return NULL;
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}
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