/
githubmirror
/
libassuan
Обзор
Документация
Войти
/
githubmirror
/
libassuan
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
master
src/assuan.h.in
634 строки
23 KB
NIIBE Yutaka
Use socklen_t for the length of socket address.
11 июл 2024, 05:27
Не верифицирован
11 июл 2024, 05:27
69a7034
Код
Авторство
О чём код?
/* assuan.h - Definitions for the Assuan IPC library -*- c -*- * Copyright (C) 2001-2013 Free Software Foundation, Inc. * Copyright (C) 2001-2021,2023-2024 g10 Code GmbH * * This file is part of Assuan. * * Assuan is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * Assuan is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see <http://www.gnu.org/licenses/>. * SPDX-License-Identifier: LGPL-2.1-or-later * * @configure_input@ */ /* Compile time configuration: * * #define _ASSUAN_NO_SOCKET_WRAPPER * * Do not include the definitions for the socket wrapper feature. */ #ifndef ASSUAN_H #define ASSUAN_H #include <stdio.h> #include <sys/types.h> #include <unistd.h> #include <stdarg.h> #ifndef _ASSUAN_NO_SOCKET_WRAPPER @include:includes@ #endif /*!_ASSUAN_NO_SOCKET_WRAPPER*/ @include:types@ #include <gpg-error.h> #ifdef __cplusplus extern "C" { #if 0 } #endif #endif /* The version of this header should match the one of the library. Do * not use this symbol in your application; use assuan_check_version * instead. */ #define ASSUAN_VERSION @version@ /* The version number of this header. It may be used to handle minor * API incompatibilities. */ #define ASSUAN_VERSION_NUMBER @version-number@ /* Check for compiler features. */ #if __GNUC__ #define _ASSUAN_GCC_VERSION (__GNUC__ * 10000 \ + __GNUC_MINOR__ * 100 \ + __GNUC_PATCHLEVEL__) #if _ASSUAN_GCC_VERSION > 30100 #define _ASSUAN_DEPRECATED __attribute__ ((__deprecated__)) #endif #endif #ifndef _ASSUAN_DEPRECATED #define _ASSUAN_DEPRECATED #endif #define ASSUAN_LINELENGTH 1002 /* 1000 + [CR,]LF */ struct assuan_context_s; typedef struct assuan_context_s *assuan_context_t; @include:fd-t@ assuan_fd_t assuan_fdopen (int fd); @include:sock-nonce@ /* * Global interface. */ struct assuan_malloc_hooks { void *(*malloc) (size_t cnt); void *(*realloc) (void *ptr, size_t cnt); void (*free) (void *ptr); }; typedef struct assuan_malloc_hooks *assuan_malloc_hooks_t; /* Categories for log messages. */ #define ASSUAN_LOG_INIT 1 #define ASSUAN_LOG_CTX 2 #define ASSUAN_LOG_ENGINE 3 #define ASSUAN_LOG_DATA 4 #define ASSUAN_LOG_SYSIO 5 #define ASSUAN_LOG_CONTROL 8 /* If MSG is NULL, return true/false depending on if this category is * logged. This is used to probe before expensive log message * generation (buffer dumps). */ typedef int (*assuan_log_cb_t) (assuan_context_t ctx, void *hook, unsigned int cat, const char *msg); /* Return or check the version number. */ const char *assuan_check_version (const char *req_version); /* Set the default gpg error source. */ void assuan_set_gpg_err_source (gpg_err_source_t errsource); /* Get the default gpg error source. */ gpg_err_source_t assuan_get_gpg_err_source (void); /* Set the default malloc hooks. */ void assuan_set_malloc_hooks (assuan_malloc_hooks_t malloc_hooks); /* Get the default malloc hooks. */ assuan_malloc_hooks_t assuan_get_malloc_hooks (void); /* Set the default log callback handler. */ void assuan_set_log_cb (assuan_log_cb_t log_cb, void *log_cb_data); /* Get the default log callback handler. */ void assuan_get_log_cb (assuan_log_cb_t *log_cb, void **log_cb_data); /* Create a new Assuan context. The initial parameters are all needed * in the creation of the context. */ gpg_error_t assuan_new_ext (assuan_context_t *ctx, gpg_err_source_t errsource, assuan_malloc_hooks_t malloc_hooks, assuan_log_cb_t log_cb, void *log_cb_data); /* Create a new context with default arguments. */ gpg_error_t assuan_new (assuan_context_t *ctx); /* Release all resources associated with the given context. */ void assuan_release (assuan_context_t ctx); /* Release the memory at PTR using the allocation handler of the * context CTX. This is a convenience function. */ void assuan_free (assuan_context_t ctx, void *ptr); /* Codes used with the gcry_control function. */ enum assuan_ctl_cmds { ASSUAN_CONTROL_NOP = 0, ASSUAN_CONTROL_REINIT_SYSCALL_CLAMP = 1 }; /* Perform control operations defined by CMD. */ gpg_error_t assuan_control (enum assuan_ctl_cmds cmd, void *arg); /* Set user-data in a context. */ void assuan_set_pointer (assuan_context_t ctx, void *pointer); /* Get user-data in a context. */ void *assuan_get_pointer (assuan_context_t ctx); /* Definitions of flags for assuan_set_flag(). */ typedef unsigned int assuan_flag_t; /* When using a pipe server, by default Assuan will wait for the * forked process to die in assuan_release. In certain cases this * is not desirable. By setting this flag, the waitpid will be * skipped and the caller is responsible to cleanup a forked * process. */ #define ASSUAN_NO_WAITPID 1 /* This flag indicates whether Assuan logging is in confidential mode. You can use assuan_{begin,end}_condidential to change the mode. */ #define ASSUAN_CONFIDENTIAL 2 /* This flag suppresses fix up of signal handlers for pipes. */ #define ASSUAN_NO_FIXSIGNALS 3 /* This flag changes assuan_transact to return comment lines via the * status callback. The default is to skip comment lines. */ #define ASSUAN_CONVEY_COMMENTS 4 /* This flag disables logging for one context. */ #define ASSUAN_NO_LOGGING 5 /* This flag forces a connection close. */ #define ASSUAN_FORCE_CLOSE 6 /* For context CTX, set the flag FLAG to VALUE. Values for flags * are usually 1 or 0 but certain flags might allow for other values; * see the description of the type assuan_flag_t for details. */ void assuan_set_flag (assuan_context_t ctx, assuan_flag_t flag, int value); /* Return the VALUE of FLAG in context CTX. */ int assuan_get_flag (assuan_context_t ctx, assuan_flag_t flag); /* Same as assuan_set_flag (ctx, ASSUAN_CONFIDENTIAL, 1). */ void assuan_begin_confidential (assuan_context_t ctx); /* Same as assuan_set_flag (ctx, ASSUAN_CONFIDENTIAL, 0). */ void assuan_end_confidential (assuan_context_t ctx); /* Direction values for assuan_set_io_monitor. */ #define ASSUAN_IO_FROM_PEER 0 #define ASSUAN_IO_TO_PEER 1 /* Return flags of I/O monitor. */ #define ASSUAN_IO_MONITOR_NOLOG 1 #define ASSUAN_IO_MONITOR_IGNORE 2 /* The IO monitor gets to see all I/O on the context, and can return * ASSUAN_IO_MONITOR_* bits to control actions on it. */ typedef unsigned int (*assuan_io_monitor_t) (assuan_context_t ctx, void *hook, int inout, const char *line, size_t linelen); /* Set the IO monitor function. */ void assuan_set_io_monitor (assuan_context_t ctx, assuan_io_monitor_t io_monitor, void *hook_data); /* The system hooks. See assuan_set_system_hooks et al. */ #define ASSUAN_SYSTEM_HOOKS_VERSION 2 #define ASSUAN_SPAWN_DETACHED 128 struct assuan_system_hooks { /* Always set to ASSUAN_SYTEM_HOOKS_VERSION. */ int version; /* Sleep for the given number of microseconds. */ void (*usleep) (assuan_context_t ctx, unsigned int usec); /* Create a pipe with an inheritable end. */ int (*pipe) (assuan_context_t ctx, assuan_fd_t fd[2], int inherit_idx); /* Close the given file descriptor, created with _assuan_pipe or one of the socket functions. */ int (*close) (assuan_context_t ctx, assuan_fd_t fd); ssize_t (*read) (assuan_context_t ctx, assuan_fd_t fd, void *buffer, size_t size); ssize_t (*write) (assuan_context_t ctx, assuan_fd_t fd, const void *buffer, size_t size); int (*recvmsg) (assuan_context_t ctx, assuan_fd_t fd, assuan_msghdr_t msg, int flags); int (*sendmsg) (assuan_context_t ctx, assuan_fd_t fd, const assuan_msghdr_t msg, int flags); /* If NAME is NULL, don't exec, just fork. FD_CHILD_LIST is modified to reflect the value of the FD in the peer process (on Windows). */ int (*spawn) (assuan_context_t ctx, assuan_pid_t *r_pid, const char *name, const char **argv, assuan_fd_t fd_in, assuan_fd_t fd_out, assuan_fd_t *fd_child_list, void (*atfork) (void *opaque, int reserved), void *atforkvalue, unsigned int flags); /* If action is 0, like waitpid. If action is 1, just release the PID? */ assuan_pid_t (*waitpid) (assuan_context_t ctx, assuan_pid_t pid, int action, int *status, int options); int (*socketpair) (assuan_context_t ctx, int _namespace, int style, int protocol, assuan_fd_t filedes[2]); assuan_fd_t (*socket) (assuan_context_t ctx, int _namespace, int style, int protocol); int (*connect) (assuan_context_t ctx, assuan_fd_t sock, struct sockaddr *addr, socklen_t length); }; typedef struct assuan_system_hooks *assuan_system_hooks_t; /* * Configuration of the default log handler. */ /* Set the prefix to be used at the start of a line emitted by assuan * on the log stream. The default is the empty string. Note, that * this function is not thread-safe and should in general be used * right at startup. */ void assuan_set_assuan_log_prefix (const char *text); /* Return a prefix to be used at the start of a line emitted by assuan * on the log stream. The default implementation returns the empty * string, i.e. "". */ const char *assuan_get_assuan_log_prefix (void); /* Global default log stream. */ void assuan_set_assuan_log_stream (FILE *fp); /* Set the per context log stream for the default log handler. */ void assuan_set_log_stream (assuan_context_t ctx, FILE *fp); /* The type for assuan command handlers. */ typedef gpg_error_t (*assuan_handler_t) (assuan_context_t, char *); /*-- assuan-handler.c --*/ gpg_error_t assuan_register_command (assuan_context_t ctx, const char *cmd_string, assuan_handler_t handler, const char *help_string); gpg_error_t assuan_register_pre_cmd_notify (assuan_context_t ctx, gpg_error_t (*fnc)(assuan_context_t, const char *cmd)); gpg_error_t assuan_register_post_cmd_notify (assuan_context_t ctx, void (*fnc)(assuan_context_t, gpg_error_t)); gpg_error_t assuan_register_bye_notify (assuan_context_t ctx, assuan_handler_t handler); gpg_error_t assuan_register_reset_notify (assuan_context_t ctx, assuan_handler_t handler); gpg_error_t assuan_register_cancel_notify (assuan_context_t ctx, assuan_handler_t handler); gpg_error_t assuan_register_input_notify (assuan_context_t ctx, assuan_handler_t handler); gpg_error_t assuan_register_output_notify (assuan_context_t ctx, assuan_handler_t handler); gpg_error_t assuan_register_option_handler (assuan_context_t ctx, gpg_error_t (*fnc)(assuan_context_t, const char*, const char*)); gpg_error_t assuan_process (assuan_context_t ctx); gpg_error_t assuan_process_next (assuan_context_t ctx, int *done); gpg_error_t assuan_process_done (assuan_context_t ctx, gpg_error_t rc); int assuan_get_active_fds (assuan_context_t ctx, int what, assuan_fd_t *fdarray, int fdarraysize); const char *assuan_get_command_name (assuan_context_t ctx); FILE *assuan_get_data_fp (assuan_context_t ctx); gpg_error_t assuan_set_okay_line (assuan_context_t ctx, const char *line); gpg_error_t assuan_write_status (assuan_context_t ctx, const char *keyword, const char *text); /* Negotiate a file descriptor. If LINE contains "FD=N", returns N * assuming a local file descriptor. If LINE contains "FD" reads a * file descriptor via CTX and stores it in *RDF (the CTX must be * capable of passing file descriptors). Under Windows the returned * FD is a libc-type one. */ gpg_error_t assuan_command_parse_fd (assuan_context_t ctx, char *line, assuan_fd_t *rfd); /*-- assuan-listen.c --*/ gpg_error_t assuan_set_hello_line (assuan_context_t ctx, const char *line); gpg_error_t assuan_accept (assuan_context_t ctx); assuan_fd_t assuan_get_input_fd (assuan_context_t ctx); assuan_fd_t assuan_get_output_fd (assuan_context_t ctx); gpg_error_t assuan_close_input_fd (assuan_context_t ctx); gpg_error_t assuan_close_output_fd (assuan_context_t ctx); /*-- assuan-pipe-server.c --*/ gpg_error_t assuan_init_pipe_server (assuan_context_t ctx, assuan_fd_t filedes[2]); /*-- assuan-socket-server.c --*/ #define ASSUAN_SOCKET_SERVER_FDPASSING 1 #define ASSUAN_SOCKET_SERVER_ACCEPTED 2 gpg_error_t assuan_init_socket_server (assuan_context_t ctx, assuan_fd_t listen_fd, unsigned int flags); void assuan_set_sock_nonce (assuan_context_t ctx, assuan_sock_nonce_t *nonce); /*-- assuan-pipe-connect.c --*/ #define ASSUAN_PIPE_CONNECT_FDPASSING 1 #define ASSUAN_PIPE_CONNECT_DETACHED 128 gpg_error_t assuan_pipe_connect (assuan_context_t ctx, const char *name, const char *argv[], assuan_fd_t *fd_child_list, void (*atfork) (void *, int), void *atforkvalue, unsigned int flags); /*-- assuan-socket-connect.c --*/ #define ASSUAN_SOCKET_CONNECT_FDPASSING 1 gpg_error_t assuan_socket_connect (assuan_context_t ctx, const char *name, pid_t server_pid, unsigned int flags); /*-- assuan-socket-connect.c --*/ gpg_error_t assuan_socket_connect_fd (assuan_context_t ctx, assuan_fd_t fd, unsigned int flags); /*-- context.c --*/ pid_t assuan_get_pid (assuan_context_t ctx); struct _assuan_peercred { #ifdef _WIN32 /* Empty struct not allowed on some compilers, so, put this (not valid). */ pid_t pid; #else pid_t pid; uid_t uid; gid_t gid; #endif }; typedef struct _assuan_peercred *assuan_peercred_t; gpg_error_t assuan_get_peercred (assuan_context_t ctx, assuan_peercred_t *peercred); /* * Client interface. */ /* Client response codes. */ #define ASSUAN_RESPONSE_ERROR 0 #define ASSUAN_RESPONSE_OK 1 #define ASSUAN_RESPONSE_DATA 2 #define ASSUAN_RESPONSE_INQUIRE 3 #define ASSUAN_RESPONSE_STATUS 4 #define ASSUAN_RESPONSE_END 5 #define ASSUAN_RESPONSE_COMMENT 6 typedef int assuan_response_t; /* This already de-escapes data lines. */ gpg_error_t assuan_client_read_response (assuan_context_t ctx, char **line, int *linelen); gpg_error_t assuan_client_parse_response (assuan_context_t ctx, char *line, int linelen, assuan_response_t *response, int *off); /*-- assuan-client.c --*/ gpg_error_t assuan_transact (assuan_context_t ctx, const char *command, gpg_error_t (*data_cb)(void *, const void *, size_t), void *data_cb_arg, gpg_error_t (*inquire_cb)(void*, const char *), void *inquire_cb_arg, gpg_error_t (*status_cb)(void*, const char *), void *status_cb_arg); /*-- assuan-inquire.c --*/ gpg_error_t assuan_inquire (assuan_context_t ctx, const char *keyword, unsigned char **r_buffer, size_t *r_length, size_t maxlen); gpg_error_t assuan_inquire_ext (assuan_context_t ctx, const char *keyword, size_t maxlen, gpg_error_t (*cb) (void *cb_data, gpg_error_t rc, unsigned char *buf, size_t buf_len), void *cb_data); /*-- assuan-buffer.c --*/ gpg_error_t assuan_read_line (assuan_context_t ctx, char **line, size_t *linelen); int assuan_pending_line (assuan_context_t ctx); gpg_error_t assuan_write_line (assuan_context_t ctx, const char *line); gpg_error_t assuan_send_data (assuan_context_t ctx, const void *buffer, size_t length); /* The file descriptor must be pending before assuan_receivefd is * called. This means that assuan_sendfd should be called *before* the * trigger is sent (normally via assuan_write_line ("INPUT FD")). */ gpg_error_t assuan_sendfd (assuan_context_t ctx, assuan_fd_t fd); gpg_error_t assuan_receivefd (assuan_context_t ctx, assuan_fd_t *fd); /*-- assuan-util.c --*/ gpg_error_t assuan_set_error (assuan_context_t ctx, gpg_error_t err, const char *text); /*-- assuan-socket.c --*/ /* This flag is used with assuan_sock_connect_byname to * connect via SOCKS. */ #define ASSUAN_SOCK_SOCKS 1 /* This flag is used with assuan_sock_connect_byname to force a connection via Tor even if the socket subsystem has not been swicthed into Tor mode. This flags overrides ASSUAN_SOCK_SOCKS. */ #define ASSUAN_SOCK_TOR 2 /* These are socket wrapper functions to support an emulation of Unix * domain sockets on Windows. */ gpg_error_t assuan_sock_init (void); void assuan_sock_deinit (void); int assuan_sock_close (assuan_fd_t fd); assuan_fd_t assuan_sock_new (int domain, int type, int proto); int assuan_sock_set_flag (assuan_fd_t sockfd, const char *name, int value); int assuan_sock_get_flag (assuan_fd_t sockfd, const char *name, int *r_value); assuan_fd_t assuan_sock_accept (assuan_fd_t sockfd, struct sockaddr *addr, socklen_t *p_addrlen); int assuan_sock_connect (assuan_fd_t sockfd, struct sockaddr *addr, socklen_t addrlen); assuan_fd_t assuan_sock_connect_byname (const char *host, unsigned short port, int timeout, const char *credentials, unsigned int flags); int assuan_sock_bind (assuan_fd_t sockfd, struct sockaddr *addr, socklen_t addrlen); int assuan_sock_set_sockaddr_un (const char *fname, struct sockaddr *addr, int *r_redirected); int assuan_sock_get_nonce (struct sockaddr *addr, socklen_t addrlen, assuan_sock_nonce_t *nonce); int assuan_sock_check_nonce (assuan_fd_t fd, assuan_sock_nonce_t *nonce); void assuan_sock_set_system_hooks (assuan_system_hooks_t system_hooks); gpg_error_t assuan_pipe_wait_server_termination (assuan_context_t ctx, int *status, int no_hang); gpg_error_t assuan_pipe_kill_server (assuan_context_t ctx); /* Set the default system callbacks. This is irreversible. */ void assuan_set_system_hooks (assuan_system_hooks_t system_hooks); /* Set the per context system callbacks. This is irreversible. */ void assuan_ctx_set_system_hooks (assuan_context_t ctx, assuan_system_hooks_t system_hooks); /* Change the system hooks for the socket interface. * This is not thread-safe. */ void assuan_sock_set_system_hooks (assuan_system_hooks_t system_hooks); void __assuan_usleep (assuan_context_t ctx, unsigned int usec); int __assuan_pipe (assuan_context_t ctx, assuan_fd_t fd[2], int inherit_idx); int __assuan_close (assuan_context_t ctx, assuan_fd_t fd); int __assuan_spawn (assuan_context_t ctx, assuan_pid_t *r_pid, const char *name, const char **argv, assuan_fd_t fd_in, assuan_fd_t fd_out, assuan_fd_t *fd_child_list, void (*atfork) (void *opaque, int reserved), void *atforkvalue, unsigned int flags); int __assuan_socketpair (assuan_context_t ctx, int _namespace, int style, int protocol, assuan_fd_t filedes[2]); assuan_fd_t __assuan_socket (assuan_context_t ctx, int _namespace, int style, int protocol); int __assuan_connect (assuan_context_t ctx, assuan_fd_t sock, struct sockaddr *addr, socklen_t length); ssize_t __assuan_read (assuan_context_t ctx, assuan_fd_t fd, void *buffer, size_t size); ssize_t __assuan_write (assuan_context_t ctx, assuan_fd_t fd, const void *buffer, size_t size); int __assuan_recvmsg (assuan_context_t ctx, assuan_fd_t fd, assuan_msghdr_t msg, int flags); int __assuan_sendmsg (assuan_context_t ctx, assuan_fd_t fd, const assuan_msghdr_t msg, int flags); assuan_pid_t __assuan_waitpid (assuan_context_t ctx, assuan_pid_t pid, int nowait, int *status, int options); #if defined(LIBASSUAN_API_REQUESTED) && LIBASSUAN_API_REQUESTED >= 3 #define ASSUAN_NO_NPTH_SYSTEM_HOOKS_ANY_MORE 1 #endif #if defined(ASSUAN_REALLY_REQUIRE_V2_NPTH_SYSTEM_HOOKS) \ || !defined(ASSUAN_NO_NPTH_SYSTEM_HOOKS_ANY_MORE) /* Standard system hooks for nPth. */ #define ASSUAN_SYSTEM_NPTH_IMPL \ static void _assuan_npth_usleep (assuan_context_t ctx, unsigned int usec) \ { npth_unprotect(); \ __assuan_usleep (ctx, usec); \ npth_protect(); } \ static ssize_t _assuan_npth_read (assuan_context_t ctx, assuan_fd_t fd, \ void *buffer, size_t size) \ { ssize_t res; (void) ctx; npth_unprotect(); \ res = __assuan_read (ctx, fd, buffer, size); \ npth_protect(); return res; } \ static ssize_t _assuan_npth_write (assuan_context_t ctx, assuan_fd_t fd, \ const void *buffer, size_t size) \ { ssize_t res; (void) ctx; npth_unprotect(); \ res = __assuan_write (ctx, fd, buffer, size); \ npth_protect(); return res; } \ static int _assuan_npth_recvmsg (assuan_context_t ctx, assuan_fd_t fd, \ assuan_msghdr_t msg, int flags) \ { int res; (void) ctx; npth_unprotect(); \ res = __assuan_recvmsg (ctx, fd, msg, flags); \ npth_protect(); return res; } \ static int _assuan_npth_sendmsg (assuan_context_t ctx, assuan_fd_t fd, \ const assuan_msghdr_t msg, int flags) \ { int res; (void) ctx; npth_unprotect(); \ res = __assuan_sendmsg (ctx, fd, msg, flags); \ npth_protect(); return res; } \ static assuan_pid_t _assuan_npth_waitpid (assuan_context_t ctx, \ assuan_pid_t pid, int nowait, \ int *status, int options) \ { assuan_pid_t res; (void) ctx; npth_unprotect(); \ res = __assuan_waitpid (ctx, pid, nowait, status, options); \ npth_protect(); return res; } \ static int _assuan_npth_connect (assuan_context_t ctx, assuan_fd_t sock, \ struct sockaddr *addr, socklen_t len)\ { int res; npth_unprotect(); \ res = __assuan_connect (ctx, sock, addr, len); \ npth_protect(); return res; } \ static int _assuan_npth_close (assuan_context_t ctx, assuan_fd_t fd) \ { int res; npth_unprotect(); \ res = __assuan_close (ctx, fd); \ npth_protect(); return res; } \ \ struct assuan_system_hooks _assuan_system_npth = \ { ASSUAN_SYSTEM_HOOKS_VERSION, _assuan_npth_usleep, __assuan_pipe, \ _assuan_npth_close, _assuan_npth_read, _assuan_npth_write, \ _assuan_npth_recvmsg, _assuan_npth_sendmsg, \ __assuan_spawn, _assuan_npth_waitpid, __assuan_socketpair, \ __assuan_socket, _assuan_npth_connect } extern struct assuan_system_hooks _assuan_system_npth; #define ASSUAN_SYSTEM_NPTH &_assuan_system_npth #else #define ASSUAN_SYSTEM_NPTH_IMPL /**/ #define ASSUAN_SYSTEM_NPTH NULL #endif #ifdef __cplusplus } #endif #endif /* ASSUAN_H */