36da5199bb
are currently supported: - NV_TYPE_NULL - only name, no data; - NV_TYPE_BOOL - boolean (true or false); - NV_TYPE_NUMBER - 64bit unsigned integer; - NV_TYPE_STRING - C string; - NV_TYPE_NVLIST - nested nvlist; - NV_TYPE_DESCRIPTOR - file descriptor; - NV_TYPE_BINARY - binary data. For detailed documentation and examples see nv(3) manual page. Sponsored by: The FreeBSD Foundation
253 lines
6.5 KiB
C
253 lines
6.5 KiB
C
/*-
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* Copyright (c) 2013 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Pawel Jakub Dawidek under sponsorship from
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* the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "nv.h"
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#include "nv_impl.h"
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#include "dnv.h"
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#define DNVLIST_GET(ftype, type) \
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ftype \
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dnvlist_get_##type(const nvlist_t *nvl, const char *name, ftype defval) \
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{ \
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\
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return (dnvlist_getf_##type(nvl, defval, "%s", name)); \
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}
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DNVLIST_GET(bool, bool)
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DNVLIST_GET(uint64_t, number)
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DNVLIST_GET(const char *, string)
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DNVLIST_GET(const nvlist_t *, nvlist)
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DNVLIST_GET(int, descriptor)
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#undef DNVLIST_GET
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const void *
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dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep,
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const void *defval, size_t defsize)
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{
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return (dnvlist_getf_binary(nvl, sizep, defval, defsize, "%s", name));
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}
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#define DNVLIST_GETF(ftype, type) \
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ftype \
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dnvlist_getf_##type(const nvlist_t *nvl, ftype defval, \
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const char *namefmt, ...) \
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{ \
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va_list nameap; \
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ftype value; \
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\
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va_start(nameap, namefmt); \
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value = dnvlist_getv_##type(nvl, defval, namefmt, nameap); \
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va_end(nameap); \
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\
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return (value); \
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}
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DNVLIST_GETF(bool, bool)
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DNVLIST_GETF(uint64_t, number)
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DNVLIST_GETF(const char *, string)
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DNVLIST_GETF(const nvlist_t *, nvlist)
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DNVLIST_GETF(int, descriptor)
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#undef DNVLIST_GETF
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const void *
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dnvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const void *defval,
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size_t defsize, const char *namefmt, ...)
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{
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va_list nameap;
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const void *value;
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va_start(nameap, namefmt);
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value = dnvlist_getv_binary(nvl, sizep, defval, defsize, namefmt,
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nameap);
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va_end(nameap);
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return (value);
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}
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#define DNVLIST_GETV(ftype, type) \
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ftype \
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dnvlist_getv_##type(const nvlist_t *nvl, ftype defval, \
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const char *namefmt, va_list nameap) \
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{ \
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va_list cnameap; \
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ftype value; \
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\
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va_copy(cnameap, nameap); \
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if (nvlist_existsv_##type(nvl, namefmt, cnameap)) \
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value = nvlist_getv_##type(nvl, namefmt, nameap); \
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else \
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value = defval; \
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va_end(cnameap); \
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return (value); \
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}
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DNVLIST_GETV(bool, bool)
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DNVLIST_GETV(uint64_t, number)
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DNVLIST_GETV(const char *, string)
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DNVLIST_GETV(const nvlist_t *, nvlist)
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DNVLIST_GETV(int, descriptor)
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#undef DNVLIST_GETV
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const void *
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dnvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const void *defval,
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size_t defsize, const char *namefmt, va_list nameap)
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{
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va_list cnameap;
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const void *value;
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va_copy(cnameap, nameap);
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if (nvlist_existsv_binary(nvl, namefmt, cnameap)) {
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value = nvlist_getv_binary(nvl, sizep, namefmt, nameap);
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} else {
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if (sizep != NULL)
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*sizep = defsize;
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value = defval;
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}
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va_end(cnameap);
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return (value);
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}
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#define DNVLIST_TAKE(ftype, type) \
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ftype \
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dnvlist_take_##type(nvlist_t *nvl, const char *name, ftype defval) \
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{ \
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\
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return (dnvlist_takef_##type(nvl, defval, "%s", name)); \
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}
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DNVLIST_TAKE(bool, bool)
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DNVLIST_TAKE(uint64_t, number)
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DNVLIST_TAKE(char *, string)
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DNVLIST_TAKE(nvlist_t *, nvlist)
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DNVLIST_TAKE(int, descriptor)
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#undef DNVLIST_TAKE
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void *
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dnvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep,
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void *defval, size_t defsize)
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{
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return (dnvlist_takef_binary(nvl, sizep, defval, defsize, "%s", name));
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}
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#define DNVLIST_TAKEF(ftype, type) \
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ftype \
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dnvlist_takef_##type(nvlist_t *nvl, ftype defval, \
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const char *namefmt, ...) \
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{ \
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va_list nameap; \
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ftype value; \
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\
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va_start(nameap, namefmt); \
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value = dnvlist_takev_##type(nvl, defval, namefmt, nameap); \
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va_end(nameap); \
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\
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return (value); \
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}
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DNVLIST_TAKEF(bool, bool)
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DNVLIST_TAKEF(uint64_t, number)
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DNVLIST_TAKEF(char *, string)
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DNVLIST_TAKEF(nvlist_t *, nvlist)
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DNVLIST_TAKEF(int, descriptor)
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#undef DNVLIST_TAKEF
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void *
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dnvlist_takef_binary(nvlist_t *nvl, size_t *sizep, void *defval,
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size_t defsize, const char *namefmt, ...)
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{
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va_list nameap;
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void *value;
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va_start(nameap, namefmt);
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value = dnvlist_takev_binary(nvl, sizep, defval, defsize, namefmt,
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nameap);
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va_end(nameap);
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return (value);
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}
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#define DNVLIST_TAKEV(ftype, type) \
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ftype \
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dnvlist_takev_##type(nvlist_t *nvl, ftype defval, const char *namefmt, \
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va_list nameap) \
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{ \
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va_list cnameap; \
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ftype value; \
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\
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va_copy(cnameap, nameap); \
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if (nvlist_existsv_##type(nvl, namefmt, cnameap)) \
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value = nvlist_takev_##type(nvl, namefmt, nameap); \
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else \
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value = defval; \
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va_end(cnameap); \
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return (value); \
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}
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DNVLIST_TAKEV(bool, bool)
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DNVLIST_TAKEV(uint64_t, number)
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DNVLIST_TAKEV(char *, string)
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DNVLIST_TAKEV(nvlist_t *, nvlist)
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DNVLIST_TAKEV(int, descriptor)
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#undef DNVLIST_TAKEV
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void *
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dnvlist_takev_binary(nvlist_t *nvl, size_t *sizep, void *defval,
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size_t defsize, const char *namefmt, va_list nameap)
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{
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va_list cnameap;
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void *value;
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va_copy(cnameap, nameap);
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if (nvlist_existsv_binary(nvl, namefmt, cnameap)) {
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value = nvlist_takev_binary(nvl, sizep, namefmt, nameap);
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} else {
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if (sizep != NULL)
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*sizep = defsize;
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value = defval;
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}
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va_end(cnameap);
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return (value);
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}
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