diff options
Diffstat (limited to 'lib/libnv/nv.h')
| -rw-r--r-- | lib/libnv/nv.h | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/lib/libnv/nv.h b/lib/libnv/nv.h new file mode 100644 index 0000000..e2d7030 --- /dev/null +++ b/lib/libnv/nv.h @@ -0,0 +1,273 @@ +/*- + * Copyright (c) 2009-2013 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. + * + * $FreeBSD$ + */ + +#ifndef _NV_H_ +#define _NV_H_ + +#include <sys/cdefs.h> + +#include <stdarg.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> + +#ifndef _NVLIST_T_DECLARED +#define _NVLIST_T_DECLARED +struct nvlist; + +typedef struct nvlist nvlist_t; +#endif + +#define NV_NAME_MAX 2048 + +#define NV_TYPE_NONE 0 + +#define NV_TYPE_NULL 1 +#define NV_TYPE_BOOL 2 +#define NV_TYPE_NUMBER 3 +#define NV_TYPE_STRING 4 +#define NV_TYPE_NVLIST 5 +#define NV_TYPE_DESCRIPTOR 6 +#define NV_TYPE_BINARY 7 + +/* + * Perform case-insensitive lookups of provided names. + */ +#define NV_FLAG_IGNORE_CASE 0x01 + +nvlist_t *nvlist_create(int flags); +void nvlist_destroy(nvlist_t *nvl); +int nvlist_error(const nvlist_t *nvl); +bool nvlist_empty(const nvlist_t *nvl); + +nvlist_t *nvlist_clone(const nvlist_t *nvl); + +void nvlist_dump(const nvlist_t *nvl, int fd); +void nvlist_fdump(const nvlist_t *nvl, FILE *fp); + +size_t nvlist_size(const nvlist_t *nvl); +void *nvlist_pack(const nvlist_t *nvl, size_t *sizep); +nvlist_t *nvlist_unpack(const void *buf, size_t size); + +int nvlist_send(int sock, const nvlist_t *nvl); +nvlist_t *nvlist_recv(int sock); +nvlist_t *nvlist_xfer(int sock, nvlist_t *nvl); + +const char *nvlist_next(const nvlist_t *nvl, int *typep, void **cookiep); + +/* + * The nvlist_exists functions check if the given name (optionally of the given + * type) exists on nvlist. + */ + +bool nvlist_exists(const nvlist_t *nvl, const char *name); +bool nvlist_exists_type(const nvlist_t *nvl, const char *name, int type); + +bool nvlist_exists_null(const nvlist_t *nvl, const char *name); +bool nvlist_exists_bool(const nvlist_t *nvl, const char *name); +bool nvlist_exists_number(const nvlist_t *nvl, const char *name); +bool nvlist_exists_string(const nvlist_t *nvl, const char *name); +bool nvlist_exists_nvlist(const nvlist_t *nvl, const char *name); +bool nvlist_exists_descriptor(const nvlist_t *nvl, const char *name); +bool nvlist_exists_binary(const nvlist_t *nvl, const char *name); + +/* + * The nvlist_add functions add the given name/value pair. + * If a pointer is provided, nvlist_add will internally allocate memory for the + * given data (in other words it won't consume provided buffer). + */ + +void nvlist_add_null(nvlist_t *nvl, const char *name); +void nvlist_add_bool(nvlist_t *nvl, const char *name, bool value); +void nvlist_add_number(nvlist_t *nvl, const char *name, uint64_t value); +void nvlist_add_string(nvlist_t *nvl, const char *name, const char *value); +void nvlist_add_stringf(nvlist_t *nvl, const char *name, const char *valuefmt, ...) __printflike(3, 4); +void nvlist_add_stringv(nvlist_t *nvl, const char *name, const char *valuefmt, va_list valueap) __printflike(3, 0); +void nvlist_add_nvlist(nvlist_t *nvl, const char *name, const nvlist_t *value); +void nvlist_add_descriptor(nvlist_t *nvl, const char *name, int value); +void nvlist_add_binary(nvlist_t *nvl, const char *name, const void *value, size_t size); + +/* + * The nvlist_move functions add the given name/value pair. + * The functions consumes provided buffer. + */ + +void nvlist_move_string(nvlist_t *nvl, const char *name, char *value); +void nvlist_move_nvlist(nvlist_t *nvl, const char *name, nvlist_t *value); +void nvlist_move_descriptor(nvlist_t *nvl, const char *name, int value); +void nvlist_move_binary(nvlist_t *nvl, const char *name, void *value, size_t size); + +/* + * The nvlist_get functions returns value associated with the given name. + * If it returns a pointer, the pointer represents internal buffer and should + * not be freed by the caller. + */ + +bool nvlist_get_bool(const nvlist_t *nvl, const char *name); +uint64_t nvlist_get_number(const nvlist_t *nvl, const char *name); +const char *nvlist_get_string(const nvlist_t *nvl, const char *name); +const nvlist_t *nvlist_get_nvlist(const nvlist_t *nvl, const char *name); +int nvlist_get_descriptor(const nvlist_t *nvl, const char *name); +const void *nvlist_get_binary(const nvlist_t *nvl, const char *name, size_t *sizep); + +/* + * The nvlist_take functions returns value associated with the given name and + * remove the given entry from the nvlist. + * The caller is responsible for freeing received data. + */ + +bool nvlist_take_bool(nvlist_t *nvl, const char *name); +uint64_t nvlist_take_number(nvlist_t *nvl, const char *name); +char *nvlist_take_string(nvlist_t *nvl, const char *name); +nvlist_t *nvlist_take_nvlist(nvlist_t *nvl, const char *name); +int nvlist_take_descriptor(nvlist_t *nvl, const char *name); +void *nvlist_take_binary(nvlist_t *nvl, const char *name, size_t *sizep); + +/* + * The nvlist_free functions removes the given name/value pair from the nvlist + * and frees memory associated with it. + */ + +void nvlist_free(nvlist_t *nvl, const char *name); +void nvlist_free_type(nvlist_t *nvl, const char *name, int type); + +void nvlist_free_null(nvlist_t *nvl, const char *name); +void nvlist_free_bool(nvlist_t *nvl, const char *name); +void nvlist_free_number(nvlist_t *nvl, const char *name); +void nvlist_free_string(nvlist_t *nvl, const char *name); +void nvlist_free_nvlist(nvlist_t *nvl, const char *name); +void nvlist_free_descriptor(nvlist_t *nvl, const char *name); +void nvlist_free_binary(nvlist_t *nvl, const char *name); + +/* + * Below are the same functions, but which operate on format strings and + * variable argument lists. + */ + +bool nvlist_existsf(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_type(const nvlist_t *nvl, int type, const char *namefmt, ...) __printflike(3, 4); + +bool nvlist_existsf_null(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_bool(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_number(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_string(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_nvlist(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_descriptor(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +bool nvlist_existsf_binary(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); + +bool nvlist_existsv(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_type(const nvlist_t *nvl, int type, const char *namefmt, va_list nameap) __printflike(3, 0); + +bool nvlist_existsv_null(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_bool(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_number(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_string(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_nvlist(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_descriptor(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +bool nvlist_existsv_binary(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); + +void nvlist_addf_null(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_addf_bool(nvlist_t *nvl, bool value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_addf_number(nvlist_t *nvl, uint64_t value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_addf_string(nvlist_t *nvl, const char *value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_addf_nvlist(nvlist_t *nvl, const nvlist_t *value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_addf_descriptor(nvlist_t *nvl, int value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_addf_binary(nvlist_t *nvl, const void *value, size_t size, const char *namefmt, ...) __printflike(4, 5); + +void nvlist_addv_null(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_addv_bool(nvlist_t *nvl, bool value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_addv_number(nvlist_t *nvl, uint64_t value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_addv_string(nvlist_t *nvl, const char *value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_addv_nvlist(nvlist_t *nvl, const nvlist_t *value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_addv_descriptor(nvlist_t *nvl, int value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_addv_binary(nvlist_t *nvl, const void *value, size_t size, const char *namefmt, va_list nameap) __printflike(4, 0); + +void nvlist_movef_string(nvlist_t *nvl, char *value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_movef_nvlist(nvlist_t *nvl, nvlist_t *value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_movef_descriptor(nvlist_t *nvl, int value, const char *namefmt, ...) __printflike(3, 4); +void nvlist_movef_binary(nvlist_t *nvl, void *value, size_t size, const char *namefmt, ...) __printflike(4, 5); + +void nvlist_movev_string(nvlist_t *nvl, char *value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_movev_nvlist(nvlist_t *nvl, nvlist_t *value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_movev_descriptor(nvlist_t *nvl, int value, const char *namefmt, va_list nameap) __printflike(3, 0); +void nvlist_movev_binary(nvlist_t *nvl, void *value, size_t size, const char *namefmt, va_list nameap) __printflike(4, 0); + +bool nvlist_getf_bool(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +uint64_t nvlist_getf_number(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +const char *nvlist_getf_string(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +const nvlist_t *nvlist_getf_nvlist(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +int nvlist_getf_descriptor(const nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +const void *nvlist_getf_binary(const nvlist_t *nvl, size_t *sizep, const char *namefmt, ...) __printflike(3, 4); + +bool nvlist_getv_bool(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +uint64_t nvlist_getv_number(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +const char *nvlist_getv_string(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +const nvlist_t *nvlist_getv_nvlist(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +int nvlist_getv_descriptor(const nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +const void *nvlist_getv_binary(const nvlist_t *nvl, size_t *sizep, const char *namefmt, va_list nameap) __printflike(3, 0); + +bool nvlist_takef_bool(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +uint64_t nvlist_takef_number(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +char *nvlist_takef_string(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +nvlist_t *nvlist_takef_nvlist(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +int nvlist_takef_descriptor(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void *nvlist_takef_binary(nvlist_t *nvl, size_t *sizep, const char *namefmt, ...) __printflike(3, 4); + +bool nvlist_takev_bool(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +uint64_t nvlist_takev_number(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +char *nvlist_takev_string(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +nvlist_t *nvlist_takev_nvlist(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +int nvlist_takev_descriptor(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void *nvlist_takev_binary(nvlist_t *nvl, size_t *sizep, const char *namefmt, va_list nameap) __printflike(3, 0); + +void nvlist_freef(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_type(nvlist_t *nvl, int type, const char *namefmt, ...) __printflike(3, 4); + +void nvlist_freef_null(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_bool(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_number(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_string(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_nvlist(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_descriptor(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); +void nvlist_freef_binary(nvlist_t *nvl, const char *namefmt, ...) __printflike(2, 3); + +void nvlist_freev(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_type(nvlist_t *nvl, int type, const char *namefmt, va_list nameap) __printflike(3, 0); + +void nvlist_freev_null(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_bool(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_number(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_string(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_nvlist(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_descriptor(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); +void nvlist_freev_binary(nvlist_t *nvl, const char *namefmt, va_list nameap) __printflike(2, 0); + +#endif /* !_NV_H_ */ |
