diff options
Diffstat (limited to 'include/event2/util.h')
| -rw-r--r-- | include/event2/util.h | 212 |
1 files changed, 140 insertions, 72 deletions
diff --git a/include/event2/util.h b/include/event2/util.h index dde91131..62b94773 100644 --- a/include/event2/util.h +++ b/include/event2/util.h @@ -23,8 +23,8 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#ifndef _EVENT2_UTIL_H_ -#define _EVENT2_UTIL_H_ +#ifndef EVENT2_UTIL_H_INCLUDED_ +#define EVENT2_UTIL_H_INCLUDED_ /** @file event2/util.h @@ -32,46 +32,51 @@ related socket manipulations. */ +#include <event2/visibility.h> #ifdef __cplusplus extern "C" { #endif #include <event2/event-config.h> -#ifdef _EVENT_HAVE_SYS_TIME_H +#ifdef EVENT__HAVE_SYS_TIME_H #include <sys/time.h> #endif -#ifdef _EVENT_HAVE_STDINT_H +#ifdef EVENT__HAVE_STDINT_H #include <stdint.h> -#elif defined(_EVENT_HAVE_INTTYPES_H) +#elif defined(EVENT__HAVE_INTTYPES_H) #include <inttypes.h> #endif -#ifdef _EVENT_HAVE_SYS_TYPES_H +#ifdef EVENT__HAVE_SYS_TYPES_H #include <sys/types.h> #endif -#ifdef _EVENT_HAVE_STDDEF_H +#ifdef EVENT__HAVE_STDDEF_H #include <stddef.h> #endif #ifdef _MSC_VER #include <BaseTsd.h> #endif #include <stdarg.h> -#ifdef _EVENT_HAVE_NETDB_H +#ifdef EVENT__HAVE_NETDB_H #if !defined(_GNU_SOURCE) #define _GNU_SOURCE #endif #include <netdb.h> #endif -#ifdef WIN32 +#ifdef _WIN32 #include <winsock2.h> +#ifdef EVENT__HAVE_GETADDRINFO +/* for EAI_* definitions. */ +#include <ws2tcpip.h> +#endif #else #include <sys/socket.h> #endif /* Some openbsd autoconf versions get the name of this macro wrong. */ -#if defined(_EVENT_SIZEOF_VOID__) && !defined(_EVENT_SIZEOF_VOID_P) -#define _EVENT_SIZEOF_VOID_P _EVENT_SIZEOF_VOID__ +#if defined(EVENT__SIZEOF_VOID__) && !defined(EVENT__SIZEOF_VOID_P) +#define EVENT__SIZEOF_VOID_P EVENT__SIZEOF_VOID__ #endif /** @@ -103,67 +108,67 @@ extern "C" { * * @{ */ -#ifdef _EVENT_HAVE_UINT64_T +#ifdef EVENT__HAVE_UINT64_T #define ev_uint64_t uint64_t #define ev_int64_t int64_t -#elif defined(WIN32) +#elif defined(_WIN32) #define ev_uint64_t unsigned __int64 #define ev_int64_t signed __int64 -#elif _EVENT_SIZEOF_LONG_LONG == 8 +#elif EVENT__SIZEOF_LONG_LONG == 8 #define ev_uint64_t unsigned long long #define ev_int64_t long long -#elif _EVENT_SIZEOF_LONG == 8 +#elif EVENT__SIZEOF_LONG == 8 #define ev_uint64_t unsigned long #define ev_int64_t long -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) #define ev_uint64_t ... #define ev_int64_t ... #else #error "No way to define ev_uint64_t" #endif -#ifdef _EVENT_HAVE_UINT32_T +#ifdef EVENT__HAVE_UINT32_T #define ev_uint32_t uint32_t #define ev_int32_t int32_t -#elif defined(WIN32) +#elif defined(_WIN32) #define ev_uint32_t unsigned int #define ev_int32_t signed int -#elif _EVENT_SIZEOF_LONG == 4 +#elif EVENT__SIZEOF_LONG == 4 #define ev_uint32_t unsigned long #define ev_int32_t signed long -#elif _EVENT_SIZEOF_INT == 4 +#elif EVENT__SIZEOF_INT == 4 #define ev_uint32_t unsigned int #define ev_int32_t signed int -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) #define ev_uint32_t ... #define ev_int32_t ... #else #error "No way to define ev_uint32_t" #endif -#ifdef _EVENT_HAVE_UINT16_T +#ifdef EVENT__HAVE_UINT16_T #define ev_uint16_t uint16_t #define ev_int16_t int16_t -#elif defined(WIN32) +#elif defined(_WIN32) #define ev_uint16_t unsigned short #define ev_int16_t signed short -#elif _EVENT_SIZEOF_INT == 2 +#elif EVENT__SIZEOF_INT == 2 #define ev_uint16_t unsigned int #define ev_int16_t signed int -#elif _EVENT_SIZEOF_SHORT == 2 +#elif EVENT__SIZEOF_SHORT == 2 #define ev_uint16_t unsigned short #define ev_int16_t signed short -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) #define ev_uint16_t ... #define ev_int16_t ... #else #error "No way to define ev_uint16_t" #endif -#ifdef _EVENT_HAVE_UINT8_T +#ifdef EVENT__HAVE_UINT8_T #define ev_uint8_t uint8_t #define ev_int8_t int8_t -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) #define ev_uint8_t ... #define ev_int8_t ... #else @@ -171,30 +176,43 @@ extern "C" { #define ev_int8_t signed char #endif -#ifdef _EVENT_HAVE_UINTPTR_T +#ifdef EVENT__HAVE_UINTPTR_T #define ev_uintptr_t uintptr_t #define ev_intptr_t intptr_t -#elif _EVENT_SIZEOF_VOID_P <= 4 +#elif EVENT__SIZEOF_VOID_P <= 4 #define ev_uintptr_t ev_uint32_t #define ev_intptr_t ev_int32_t -#elif _EVENT_SIZEOF_VOID_P <= 8 +#elif EVENT__SIZEOF_VOID_P <= 8 #define ev_uintptr_t ev_uint64_t #define ev_intptr_t ev_int64_t -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) #define ev_uintptr_t ... #define ev_intptr_t ... #else #error "No way to define ev_uintptr_t" #endif -#ifdef _EVENT_ssize_t -#define ev_ssize_t _EVENT_ssize_t +#ifdef EVENT__ssize_t +#define ev_ssize_t EVENT__ssize_t #else #define ev_ssize_t ssize_t #endif -#ifdef WIN32 +/* Note that we define ev_off_t based on the compile-time size of off_t that + * we used to build Libevent, and not based on the current size of off_t. + * (For example, we don't define ev_off_t to off_t.). We do this because + * some systems let you build your software with different off_t sizes + * at runtime, and so putting in any dependency on off_t would risk API + * mismatch. + */ +#ifdef _WIN32 +#define ev_off_t ev_int64_t +#elif EVENT__SIZEOF_OFF_T == 8 #define ev_off_t ev_int64_t +#elif EVENT__SIZEOF_OFF_T == 4 +#define ev_off_t ev_int32_t +#elif defined(EVENT_IN_DOXYGEN_) +#define ev_off_t ... #else #define ev_off_t off_t #endif @@ -234,13 +252,13 @@ extern "C" { @{ */ -#if _EVENT_SIZEOF_SIZE_T == 8 +#if EVENT__SIZEOF_SIZE_T == 8 #define EV_SIZE_MAX EV_UINT64_MAX #define EV_SSIZE_MAX EV_INT64_MAX -#elif _EVENT_SIZEOF_SIZE_T == 4 +#elif EVENT__SIZEOF_SIZE_T == 4 #define EV_SIZE_MAX EV_UINT32_MAX #define EV_SSIZE_MAX EV_INT32_MAX -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) #define EV_SIZE_MAX ... #define EV_SSIZE_MAX ... #else @@ -250,16 +268,16 @@ extern "C" { #define EV_SSIZE_MIN ((-EV_SSIZE_MAX) - 1) /**@}*/ -#ifdef WIN32 +#ifdef _WIN32 #define ev_socklen_t int -#elif defined(_EVENT_socklen_t) -#define ev_socklen_t _EVENT_socklen_t +#elif defined(EVENT__socklen_t) +#define ev_socklen_t EVENT__socklen_t #else #define ev_socklen_t socklen_t #endif -#ifdef _EVENT_HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY -#if !defined(_EVENT_HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) \ +#ifdef EVENT__HAVE_STRUCT_SOCKADDR_STORAGE___SS_FAMILY +#if !defined(EVENT__HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) \ && !defined(ss_family) #define ss_family __ss_family #endif @@ -268,7 +286,7 @@ extern "C" { /** * A type wide enough to hold the output of "socket()" or "accept()". On * Windows, this is an intptr_t; elsewhere, it is an int. */ -#ifdef WIN32 +#ifdef _WIN32 #define evutil_socket_t intptr_t #else #define evutil_socket_t int @@ -285,12 +303,14 @@ extern "C" { Parameters and return values are as for socketpair() */ +EVENT2_EXPORT_SYMBOL int evutil_socketpair(int d, int type, int protocol, evutil_socket_t sv[2]); /** Do platform-specific operations as needed to make a socket nonblocking. @param sock The socket to make nonblocking @return 0 on success, -1 on failure */ +EVENT2_EXPORT_SYMBOL int evutil_make_socket_nonblocking(evutil_socket_t sock); /** Do platform-specific operations to make a listener socket reusable. @@ -304,14 +324,29 @@ int evutil_make_socket_nonblocking(evutil_socket_t sock); @param sock The socket to make reusable @return 0 on success, -1 on failure */ +EVENT2_EXPORT_SYMBOL int evutil_make_listen_socket_reuseable(evutil_socket_t sock); +/** Do platform-specific operations to make a listener port reusable. + + Specifically, we want to make sure that multiple programs which also + set the same socket option will be able to bind, listen at the same time. + + This is a feature available only to Linux 3.9+ + + @param sock The socket to make reusable + @return 0 on success, -1 on failure + */ +EVENT2_EXPORT_SYMBOL +int evutil_make_listen_socket_reuseable_port(evutil_socket_t sock); + /** Do platform-specific operations as needed to close a socket upon a successful execution of one of the exec*() functions. @param sock The socket to be closed @return 0 on success, -1 on failure */ +EVENT2_EXPORT_SYMBOL int evutil_make_socket_closeonexec(evutil_socket_t sock); /** Do the platform-specific call needed to close a socket returned from @@ -320,21 +355,37 @@ int evutil_make_socket_closeonexec(evutil_socket_t sock); @param sock The socket to be closed @return 0 on success, -1 on failure */ +EVENT2_EXPORT_SYMBOL int evutil_closesocket(evutil_socket_t sock); #define EVUTIL_CLOSESOCKET(s) evutil_closesocket(s) - -#ifdef WIN32 +/** Do platform-specific operations, if possible, to make a tcp listener + * socket defer accept()s until there is data to read. + * + * Not all platforms support this. You don't want to do this for every + * listener socket: only the ones that implement a protocol where the + * client transmits before the server needs to respond. + * + * @param sock The listening socket to to make deferred + * @return 0 on success (whether the operation is supported or not), + * -1 on failure +*/ +EVENT2_EXPORT_SYMBOL +int evutil_make_tcp_listen_socket_deferred(evutil_socket_t sock); + +#ifdef _WIN32 /** Return the most recent socket error. Not idempotent on all platforms. */ #define EVUTIL_SOCKET_ERROR() WSAGetLastError() /** Replace the most recent socket error with errcode */ #define EVUTIL_SET_SOCKET_ERROR(errcode) \ do { WSASetLastError(errcode); } while (0) /** Return the most recent socket error to occur on sock. */ +EVENT2_EXPORT_SYMBOL int evutil_socket_geterror(evutil_socket_t sock); /** Convert a socket error to a string. */ +EVENT2_EXPORT_SYMBOL const char *evutil_socket_error_to_string(int errcode); -#elif defined(_EVENT_IN_DOXYGEN) +#elif defined(EVENT_IN_DOXYGEN_) /** @name Socket error functions @@ -375,7 +426,7 @@ const char *evutil_socket_error_to_string(int errcode); * * @{ */ -#ifdef _EVENT_HAVE_TIMERADD +#ifdef EVENT__HAVE_TIMERADD #define evutil_timeradd(tvp, uvp, vvp) timeradd((tvp), (uvp), (vvp)) #define evutil_timersub(tvp, uvp, vvp) timersub((tvp), (uvp), (vvp)) #else @@ -397,9 +448,9 @@ const char *evutil_socket_error_to_string(int errcode); (vvp)->tv_usec += 1000000; \ } \ } while (0) -#endif /* !_EVENT_HAVE_HAVE_TIMERADD */ +#endif /* !EVENT__HAVE_TIMERADD */ -#ifdef _EVENT_HAVE_TIMERCLEAR +#ifdef EVENT__HAVE_TIMERCLEAR #define evutil_timerclear(tvp) timerclear(tvp) #else #define evutil_timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0 @@ -413,7 +464,7 @@ const char *evutil_socket_error_to_string(int errcode); ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ ((tvp)->tv_sec cmp (uvp)->tv_sec)) -#ifdef _EVENT_HAVE_TIMERISSET +#ifdef EVENT__HAVE_TIMERISSET #define evutil_timerisset(tvp) timerisset(tvp) #else #define evutil_timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec) @@ -428,19 +479,22 @@ const char *evutil_socket_error_to_string(int errcode); /* big-int related functions */ /** Parse a 64-bit value from a string. Arguments are as for strtol. */ +EVENT2_EXPORT_SYMBOL ev_int64_t evutil_strtoll(const char *s, char **endptr, int base); /** Replacement for gettimeofday on platforms that lack it. */ -#ifdef _EVENT_HAVE_GETTIMEOFDAY +#ifdef EVENT__HAVE_GETTIMEOFDAY #define evutil_gettimeofday(tv, tz) gettimeofday((tv), (tz)) #else struct timezone; +EVENT2_EXPORT_SYMBOL int evutil_gettimeofday(struct timeval *tv, struct timezone *tz); #endif /** Replacement for snprintf to get consistent behavior on platforms for which the return value of snprintf does not conform to C99. */ +EVENT2_EXPORT_SYMBOL int evutil_snprintf(char *buf, size_t buflen, const char *format, ...) #ifdef __GNUC__ __attribute__((format(printf, 3, 4))) @@ -449,6 +503,7 @@ int evutil_snprintf(char *buf, size_t buflen, const char *format, ...) /** Replacement for vsnprintf to get consistent behavior on platforms for which the return value of snprintf does not conform to C99. */ +EVENT2_EXPORT_SYMBOL int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap) #ifdef __GNUC__ __attribute__((format(printf, 3, 0))) @@ -456,8 +511,10 @@ int evutil_vsnprintf(char *buf, size_t buflen, const char *format, va_list ap) ; /** Replacement for inet_ntop for platforms which lack it. */ +EVENT2_EXPORT_SYMBOL const char *evutil_inet_ntop(int af, const void *src, char *dst, size_t len); /** Replacement for inet_pton for platforms which lack it. */ +EVENT2_EXPORT_SYMBOL int evutil_inet_pton(int af, const char *src, void *dst); struct sockaddr; @@ -481,6 +538,7 @@ struct sockaddr; or if out is not large enough to hold the result. Otherwise returns 0 on success. */ +EVENT2_EXPORT_SYMBOL int evutil_parse_sockaddr_port(const char *str, struct sockaddr *out, int *outlen); /** Compare two sockaddrs; return 0 if they are equal, or less than 0 if sa1 @@ -488,21 +546,24 @@ int evutil_parse_sockaddr_port(const char *str, struct sockaddr *out, int *outle * true, consider the port as well as the address. Only implemented for * AF_INET and AF_INET6 addresses. The ordering is not guaranteed to remain * the same between Libevent versions. */ +EVENT2_EXPORT_SYMBOL int evutil_sockaddr_cmp(const struct sockaddr *sa1, const struct sockaddr *sa2, int include_port); /** As strcasecmp, but always compares the characters in locale-independent ASCII. That's useful if you're handling data in ASCII-based protocols. */ +EVENT2_EXPORT_SYMBOL int evutil_ascii_strcasecmp(const char *str1, const char *str2); /** As strncasecmp, but always compares the characters in locale-independent ASCII. That's useful if you're handling data in ASCII-based protocols. */ +EVENT2_EXPORT_SYMBOL int evutil_ascii_strncasecmp(const char *str1, const char *str2, size_t n); /* Here we define evutil_addrinfo to the native addrinfo type, or redefine it * if this system has no getaddrinfo(). */ -#ifdef _EVENT_HAVE_STRUCT_ADDRINFO +#ifdef EVENT__HAVE_STRUCT_ADDRINFO #define evutil_addrinfo addrinfo #else /** A definition of struct addrinfo for systems that lack it. @@ -528,32 +589,32 @@ struct evutil_addrinfo { @{ */ -#ifdef EAI_ADDRFAMILY +#if defined(EAI_ADDRFAMILY) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_ADDRFAMILY EAI_ADDRFAMILY #else #define EVUTIL_EAI_ADDRFAMILY -901 #endif -#ifdef EAI_AGAIN +#if defined(EAI_AGAIN) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_AGAIN EAI_AGAIN #else #define EVUTIL_EAI_AGAIN -902 #endif -#ifdef EAI_BADFLAGS +#if defined(EAI_BADFLAGS) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_BADFLAGS EAI_BADFLAGS #else #define EVUTIL_EAI_BADFLAGS -903 #endif -#ifdef EAI_FAIL +#if defined(EAI_FAIL) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_FAIL EAI_FAIL #else #define EVUTIL_EAI_FAIL -904 #endif -#ifdef EAI_FAMILY +#if defined(EAI_FAMILY) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_FAMILY EAI_FAMILY #else #define EVUTIL_EAI_FAMILY -905 #endif -#ifdef EAI_MEMORY +#if defined(EAI_MEMORY) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_MEMORY EAI_MEMORY #else #define EVUTIL_EAI_MEMORY -906 @@ -561,27 +622,27 @@ struct evutil_addrinfo { /* This test is a bit complicated, since some MS SDKs decide to * remove NODATA or redefine it to be the same as NONAME, in a * fun interpretation of RFC 2553 and RFC 3493. */ -#if defined(EAI_NODATA) && (!defined(EAI_NONAME) || EAI_NODATA != EAI_NONAME) +#if defined(EAI_NODATA) && defined(EVENT__HAVE_GETADDRINFO) && (!defined(EAI_NONAME) || EAI_NODATA != EAI_NONAME) #define EVUTIL_EAI_NODATA EAI_NODATA #else #define EVUTIL_EAI_NODATA -907 #endif -#ifdef EAI_NONAME +#if defined(EAI_NONAME) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_NONAME EAI_NONAME #else #define EVUTIL_EAI_NONAME -908 #endif -#ifdef EAI_SERVICE +#if defined(EAI_SERVICE) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_SERVICE EAI_SERVICE #else #define EVUTIL_EAI_SERVICE -909 #endif -#ifdef EAI_SOCKTYPE +#if defined(EAI_SOCKTYPE) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_SOCKTYPE EAI_SOCKTYPE #else #define EVUTIL_EAI_SOCKTYPE -910 #endif -#ifdef EAI_SYSTEM +#if defined(EAI_SYSTEM) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_EAI_SYSTEM EAI_SYSTEM #else #define EVUTIL_EAI_SYSTEM -911 @@ -589,37 +650,37 @@ struct evutil_addrinfo { #define EVUTIL_EAI_CANCEL -90001 -#ifdef AI_PASSIVE +#if defined(AI_PASSIVE) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_PASSIVE AI_PASSIVE #else #define EVUTIL_AI_PASSIVE 0x1000 #endif -#ifdef AI_CANONNAME +#if defined(AI_CANONNAME) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_CANONNAME AI_CANONNAME #else #define EVUTIL_AI_CANONNAME 0x2000 #endif -#ifdef AI_NUMERICHOST +#if defined(AI_NUMERICHOST) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_NUMERICHOST AI_NUMERICHOST #else #define EVUTIL_AI_NUMERICHOST 0x4000 #endif -#ifdef AI_NUMERICSERV +#if defined(AI_NUMERICSERV) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_NUMERICSERV AI_NUMERICSERV #else #define EVUTIL_AI_NUMERICSERV 0x8000 #endif -#ifdef AI_V4MAPPED +#if defined(AI_V4MAPPED) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_V4MAPPED AI_V4MAPPED #else #define EVUTIL_AI_V4MAPPED 0x10000 #endif -#ifdef AI_ALL +#if defined(AI_ALL) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_ALL AI_ALL #else #define EVUTIL_AI_ALL 0x20000 #endif -#ifdef AI_ADDRCONFIG +#if defined(AI_ADDRCONFIG) && defined(EVENT__HAVE_GETADDRINFO) #define EVUTIL_AI_ADDRCONFIG AI_ADDRCONFIG #else #define EVUTIL_AI_ADDRCONFIG 0x40000 @@ -638,12 +699,15 @@ struct evutil_addrinfo; * * For a nonblocking variant, see evdns_getaddrinfo. */ +EVENT2_EXPORT_SYMBOL int evutil_getaddrinfo(const char *nodename, const char *servname, const struct evutil_addrinfo *hints_in, struct evutil_addrinfo **res); /** Release storage allocated by evutil_getaddrinfo or evdns_getaddrinfo. */ +EVENT2_EXPORT_SYMBOL void evutil_freeaddrinfo(struct evutil_addrinfo *ai); +EVENT2_EXPORT_SYMBOL const char *evutil_gai_strerror(int err); /** Generate n bytes of secure pseudorandom data, and store them in buf. @@ -655,6 +719,7 @@ const char *evutil_gai_strerror(int err); * provides only rudimentary prediction- and backtracking-resistance. Don't * use this for serious cryptographic applications. */ +EVENT2_EXPORT_SYMBOL void evutil_secure_rng_get_bytes(void *buf, size_t n); /** @@ -673,6 +738,7 @@ void evutil_secure_rng_get_bytes(void *buf, size_t n); * whatever), and you want to make sure that seeding happens before your * program loses the ability to do it. */ +EVENT2_EXPORT_SYMBOL int evutil_secure_rng_init(void); /** @@ -688,6 +754,7 @@ int evutil_secure_rng_init(void); * * This API is unstable, and might change in a future libevent version. */ +EVENT2_EXPORT_SYMBOL int evutil_secure_rng_set_urandom_device_file(char *fname); /** Seed the random number generator with extra random bytes. @@ -704,10 +771,11 @@ int evutil_secure_rng_set_urandom_device_file(char *fname); @param dat a buffer full of a strong source of random numbers @param datlen the number of bytes to read from datlen */ +EVENT2_EXPORT_SYMBOL void evutil_secure_rng_add_bytes(const char *dat, size_t datlen); #ifdef __cplusplus } #endif -#endif /* _EVUTIL_H_ */ +#endif /* EVENT1_EVUTIL_H_INCLUDED_ */ |