126 lines
2.6 KiB
C++
126 lines
2.6 KiB
C++
/*
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* \brief Audio driver BSD API emulation
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* \author Josef Soentgen
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* \date 2014-11-09
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*/
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/*
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* Copyright (C) 2014-15 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <base/printf.h>
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#include <base/sleep.h>
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#include <base/snprintf.h>
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#include <util/string.h>
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/* local includes */
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#include <bsd_emul.h>
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/* compiler includes */
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#include <stdarg.h>
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/*******************
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** machine/mutex **
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*******************/
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void mtx_enter(struct mutex *mtx) {
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mtx->mtx_owner = curcpu(); }
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void mtx_leave(struct mutex *mtx) {
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mtx->mtx_owner = nullptr; }
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/*****************
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** sys/systm.h **
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*****************/
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extern "C" void panic(const char *fmt, ...)
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{
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va_list va;
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va_start(va, fmt);
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Genode::vprintf(fmt, va);
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va_end(va);
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Genode::sleep_forever();
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}
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extern "C" int printf(const char *fmt, ...)
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{
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va_list va;
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va_start(va, fmt);
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Genode::vprintf(fmt, va);
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va_end(va);
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return 0; /* XXX proper return value */
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}
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extern "C" int snprintf(char *str, size_t size, const char *format, ...)
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{
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va_list list;
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va_start(list, format);
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Genode::String_console sc(str, size);
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sc.vprintf(format, list);
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va_end(list);
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return sc.len();
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}
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extern "C" int strcmp(const char *s1, const char *s2)
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{
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return Genode::strcmp(s1, s2);
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}
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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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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extern "C" size_t strlcpy(char *dst, const char *src, size_t siz)
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{
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char *d = dst;
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const char *s = src;
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size_t n = siz;
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/* Copy as many bytes as will fit */
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if (n != 0 && --n != 0) {
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do {
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if ((*d++ = *s++) == 0)
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break;
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} while (--n != 0);
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}
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/* Not enough room in dst, add NUL and traverse rest of src */
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if (n == 0) {
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if (siz != 0)
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*d = '\0'; /* NUL-terminate dst */
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while (*s++)
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;
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}
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return(s - src - 1); /* count does not include NUL */
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}
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