diff options
Diffstat (limited to 'lib/libnv/dnvlist.c')
| -rw-r--r-- | lib/libnv/dnvlist.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/lib/libnv/dnvlist.c b/lib/libnv/dnvlist.c new file mode 100644 index 0000000..b758bbf --- /dev/null +++ b/lib/libnv/dnvlist.c @@ -0,0 +1,252 @@ +/*- + * Copyright (c) 2013 The FreeBSD Foundation + * All rights reserved. + * + * This software was developed by Pawel Jakub Dawidek under sponsorship from + * the FreeBSD Foundation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> + +#include "nv.h" +#include "nv_impl.h" + +#include "dnv.h" + +#define DNVLIST_GET(ftype, type) \ +ftype \ +dnvlist_get_##type(const nvlist_t *nvl, const char *name, ftype defval) \ +{ \ + \ + return (dnvlist_getf_##type(nvl, defval, "%s", name)); \ +} + +DNVLIST_GET(bool, bool) +DNVLIST_GET(uint64_t, number) +DNVLIST_GET(const char *, string) +DNVLIST_GET(const nvlist_t *, nvlist) +DNVLIST_GET(int, descriptor) + +#undef DNVLIST_GET + +const void * +dnvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep, + const void *defval, size_t defsize) +{ + + return (dnvlist_getf_binary(nvl, sizep, defval, defsize, "%s", name)); +} + +#define DNVLIST_GETF(ftype, type) \ +ftype \ +dnvlist_getf_##type(const nvlist_t *nvl, ftype defval, \ + const char *namefmt, ...) \ +{ \ + va_list nameap; \ + ftype value; \ + \ + va_start(nameap, namefmt); \ + value = dnvlist_getv_##type(nvl, defval, namefmt, nameap); \ + va_end(nameap); \ + \ + return (value); \ +} + +DNVLIST_GETF(bool, bool) +DNVLIST_GETF(uint64_t, number) +DNVLIST_GETF(const char *, string) +DNVLIST_GETF(const nvlist_t *, nvlist) +DNVLIST_GETF(int, descriptor) + +#undef DNVLIST_GETF + +const void * +dnvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const void *defval, + size_t defsize, const char *namefmt, ...) +{ + va_list nameap; + const void *value; + + va_start(nameap, namefmt); + value = dnvlist_getv_binary(nvl, sizep, defval, defsize, namefmt, + nameap); + va_end(nameap); + + return (value); +} + +#define DNVLIST_GETV(ftype, type) \ +ftype \ +dnvlist_getv_##type(const nvlist_t *nvl, ftype defval, \ + const char *namefmt, va_list nameap) \ +{ \ + va_list cnameap; \ + ftype value; \ + \ + va_copy(cnameap, nameap); \ + if (nvlist_existsv_##type(nvl, namefmt, cnameap)) \ + value = nvlist_getv_##type(nvl, namefmt, nameap); \ + else \ + value = defval; \ + va_end(cnameap); \ + return (value); \ +} + +DNVLIST_GETV(bool, bool) +DNVLIST_GETV(uint64_t, number) +DNVLIST_GETV(const char *, string) +DNVLIST_GETV(const nvlist_t *, nvlist) +DNVLIST_GETV(int, descriptor) + +#undef DNVLIST_GETV + +const void * +dnvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const void *defval, + size_t defsize, const char *namefmt, va_list nameap) +{ + va_list cnameap; + const void *value; + + va_copy(cnameap, nameap); + if (nvlist_existsv_binary(nvl, namefmt, cnameap)) { + value = nvlist_getv_binary(nvl, sizep, namefmt, nameap); + } else { + if (sizep != NULL) + *sizep = defsize; + value = defval; + } + va_end(cnameap); + return (value); +} + +#define DNVLIST_TAKE(ftype, type) \ +ftype \ +dnvlist_take_##type(nvlist_t *nvl, const char *name, ftype defval) \ +{ \ + \ + return (dnvlist_takef_##type(nvl, defval, "%s", name)); \ +} + +DNVLIST_TAKE(bool, bool) +DNVLIST_TAKE(uint64_t, number) +DNVLIST_TAKE(char *, string) +DNVLIST_TAKE(nvlist_t *, nvlist) +DNVLIST_TAKE(int, descriptor) + +#undef DNVLIST_TAKE + +void * +dnvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep, + void *defval, size_t defsize) +{ + + return (dnvlist_takef_binary(nvl, sizep, defval, defsize, "%s", name)); +} + +#define DNVLIST_TAKEF(ftype, type) \ +ftype \ +dnvlist_takef_##type(nvlist_t *nvl, ftype defval, \ + const char *namefmt, ...) \ +{ \ + va_list nameap; \ + ftype value; \ + \ + va_start(nameap, namefmt); \ + value = dnvlist_takev_##type(nvl, defval, namefmt, nameap); \ + va_end(nameap); \ + \ + return (value); \ +} + +DNVLIST_TAKEF(bool, bool) +DNVLIST_TAKEF(uint64_t, number) +DNVLIST_TAKEF(char *, string) +DNVLIST_TAKEF(nvlist_t *, nvlist) +DNVLIST_TAKEF(int, descriptor) + +#undef DNVLIST_TAKEF + +void * +dnvlist_takef_binary(nvlist_t *nvl, size_t *sizep, void *defval, + size_t defsize, const char *namefmt, ...) +{ + va_list nameap; + void *value; + + va_start(nameap, namefmt); + value = dnvlist_takev_binary(nvl, sizep, defval, defsize, namefmt, + nameap); + va_end(nameap); + + return (value); +} + +#define DNVLIST_TAKEV(ftype, type) \ +ftype \ +dnvlist_takev_##type(nvlist_t *nvl, ftype defval, const char *namefmt, \ + va_list nameap) \ +{ \ + va_list cnameap; \ + ftype value; \ + \ + va_copy(cnameap, nameap); \ + if (nvlist_existsv_##type(nvl, namefmt, cnameap)) \ + value = nvlist_takev_##type(nvl, namefmt, nameap); \ + else \ + value = defval; \ + va_end(cnameap); \ + return (value); \ +} + +DNVLIST_TAKEV(bool, bool) +DNVLIST_TAKEV(uint64_t, number) +DNVLIST_TAKEV(char *, string) +DNVLIST_TAKEV(nvlist_t *, nvlist) +DNVLIST_TAKEV(int, descriptor) + +#undef DNVLIST_TAKEV + +void * +dnvlist_takev_binary(nvlist_t *nvl, size_t *sizep, void *defval, + size_t defsize, const char *namefmt, va_list nameap) +{ + va_list cnameap; + void *value; + + va_copy(cnameap, nameap); + if (nvlist_existsv_binary(nvl, namefmt, cnameap)) { + value = nvlist_takev_binary(nvl, sizep, namefmt, nameap); + } else { + if (sizep != NULL) + *sizep = defsize; + value = defval; + } + va_end(cnameap); + return (value); +} |
