| #ifndef __SETUP_ONCE_H |
| #define __SETUP_ONCE_H |
| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al. |
| * |
| * This software is licensed as described in the file COPYING, which |
| * you should have received as part of this distribution. The terms |
| * are also available at http://curl.haxx.se/docs/copyright.html. |
| * |
| * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| * copies of the Software, and permit persons to whom the Software is |
| * furnished to do so, under the terms of the COPYING file. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| * $Id$ |
| ***************************************************************************/ |
| |
| |
| /******************************************************************** |
| * NOTICE * |
| * ======== * |
| * * |
| * Content of header files lib/setup_once.h and ares/setup_once.h * |
| * must be kept in sync. Modify the other one if you change this. * |
| * * |
| ********************************************************************/ |
| |
| |
| /* |
| * Inclusion of common header files. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdarg.h> |
| #include <ctype.h> |
| #include <errno.h> |
| |
| #ifdef HAVE_SYS_TYPES_H |
| #include <sys/types.h> |
| #endif |
| |
| #ifdef HAVE_SYS_STAT_H |
| #include <sys/stat.h> |
| #endif |
| |
| #ifdef HAVE_SYS_TIME_H |
| #include <sys/time.h> |
| #ifdef TIME_WITH_SYS_TIME |
| #include <time.h> |
| #endif |
| #else |
| #ifdef HAVE_TIME_H |
| #include <time.h> |
| #endif |
| #endif |
| |
| #ifdef WIN32 |
| #include <io.h> |
| #include <fcntl.h> |
| #endif |
| |
| #ifdef HAVE_STDBOOL_H |
| #include <stdbool.h> |
| #endif |
| |
| |
| /* |
| * Definition of timeval struct for platforms that don't have it. |
| */ |
| |
| #ifndef HAVE_STRUCT_TIMEVAL |
| struct timeval { |
| long tv_sec; |
| long tv_usec; |
| }; |
| #endif |
| |
| |
| /* |
| * If we have the MSG_NOSIGNAL define, make sure we use |
| * it as the fourth argument of function send() |
| */ |
| |
| #ifdef HAVE_MSG_NOSIGNAL |
| #define SEND_4TH_ARG MSG_NOSIGNAL |
| #else |
| #define SEND_4TH_ARG 0 |
| #endif |
| |
| |
| /* |
| * Windows build targets have socklen_t definition in |
| * ws2tcpip.h but some versions of ws2tcpip.h do not |
| * have the definition. It seems that when the socklen_t |
| * definition is missing from ws2tcpip.h the definition |
| * for INET_ADDRSTRLEN is also missing, and that when one |
| * definition is present the other one also is available. |
| */ |
| |
| #if defined(WIN32) && !defined(HAVE_SOCKLEN_T) |
| # if ( defined(_MSC_VER) && !defined(INET_ADDRSTRLEN) ) || \ |
| (!defined(_MSC_VER) && !defined(HAVE_WS2TCPIP_H) ) |
| # define socklen_t int |
| # define HAVE_SOCKLEN_T |
| # endif |
| #endif |
| |
| |
| #if defined(__minix) |
| /* Minix doesn't support recv on TCP sockets */ |
| #define sread(x,y,z) (ssize_t)read((RECV_TYPE_ARG1)(x), \ |
| (RECV_TYPE_ARG2)(y), \ |
| (RECV_TYPE_ARG3)(z)) |
| |
| #elif defined(HAVE_RECV) |
| /* |
| * The definitions for the return type and arguments types |
| * of functions recv() and send() belong and come from the |
| * configuration file. Do not define them in any other place. |
| * |
| * HAVE_RECV is defined if you have a function named recv() |
| * which is used to read incoming data from sockets. If your |
| * function has another name then don't define HAVE_RECV. |
| * |
| * If HAVE_RECV is defined then RECV_TYPE_ARG1, RECV_TYPE_ARG2, |
| * RECV_TYPE_ARG3, RECV_TYPE_ARG4 and RECV_TYPE_RETV must also |
| * be defined. |
| * |
| * HAVE_SEND is defined if you have a function named send() |
| * which is used to write outgoing data on a connected socket. |
| * If yours has another name then don't define HAVE_SEND. |
| * |
| * If HAVE_SEND is defined then SEND_TYPE_ARG1, SEND_QUAL_ARG2, |
| * SEND_TYPE_ARG2, SEND_TYPE_ARG3, SEND_TYPE_ARG4 and |
| * SEND_TYPE_RETV must also be defined. |
| */ |
| |
| #if !defined(RECV_TYPE_ARG1) || \ |
| !defined(RECV_TYPE_ARG2) || \ |
| !defined(RECV_TYPE_ARG3) || \ |
| !defined(RECV_TYPE_ARG4) || \ |
| !defined(RECV_TYPE_RETV) |
| /* */ |
| Error Missing_definition_of_return_and_arguments_types_of_recv |
| /* */ |
| #else |
| #define sread(x,y,z) (ssize_t)recv((RECV_TYPE_ARG1)(x), \ |
| (RECV_TYPE_ARG2)(y), \ |
| (RECV_TYPE_ARG3)(z), \ |
| (RECV_TYPE_ARG4)(0)) |
| #endif |
| #else /* HAVE_RECV */ |
| #ifndef sread |
| /* */ |
| Error Missing_definition_of_macro_sread |
| /* */ |
| #endif |
| #endif /* HAVE_RECV */ |
| |
| |
| #if defined(__minix) |
| /* Minix doesn't support send on TCP sockets */ |
| #define swrite(x,y,z) (ssize_t)write((SEND_TYPE_ARG1)(x), \ |
| (SEND_TYPE_ARG2)(y), \ |
| (SEND_TYPE_ARG3)(z)) |
| |
| #elif defined(HAVE_SEND) |
| #if !defined(SEND_TYPE_ARG1) || \ |
| !defined(SEND_QUAL_ARG2) || \ |
| !defined(SEND_TYPE_ARG2) || \ |
| !defined(SEND_TYPE_ARG3) || \ |
| !defined(SEND_TYPE_ARG4) || \ |
| !defined(SEND_TYPE_RETV) |
| /* */ |
| Error Missing_definition_of_return_and_arguments_types_of_send |
| /* */ |
| #else |
| #define swrite(x,y,z) (ssize_t)send((SEND_TYPE_ARG1)(x), \ |
| (SEND_TYPE_ARG2)(y), \ |
| (SEND_TYPE_ARG3)(z), \ |
| (SEND_TYPE_ARG4)(SEND_4TH_ARG)) |
| #endif |
| #else /* HAVE_SEND */ |
| #ifndef swrite |
| /* */ |
| Error Missing_definition_of_macro_swrite |
| /* */ |
| #endif |
| #endif /* HAVE_SEND */ |
| |
| |
| /* |
| * Uppercase macro versions of ANSI/ISO is*() functions/macros which |
| * avoid negative number inputs with argument byte codes > 127. |
| */ |
| |
| #define ISSPACE(x) (isspace((int) ((unsigned char)x))) |
| #define ISDIGIT(x) (isdigit((int) ((unsigned char)x))) |
| #define ISALNUM(x) (isalnum((int) ((unsigned char)x))) |
| #define ISXDIGIT(x) (isxdigit((int) ((unsigned char)x))) |
| #define ISGRAPH(x) (isgraph((int) ((unsigned char)x))) |
| #define ISALPHA(x) (isalpha((int) ((unsigned char)x))) |
| #define ISPRINT(x) (isprint((int) ((unsigned char)x))) |
| #define ISUPPER(x) (isupper((int) ((unsigned char)x))) |
| #define ISLOWER(x) (islower((int) ((unsigned char)x))) |
| |
| #define ISBLANK(x) (int)((((unsigned char)x) == ' ') || \ |
| (((unsigned char)x) == '\t')) |
| |
| |
| /* |
| * Typedef to 'unsigned char' if bool is not an available 'typedefed' type. |
| */ |
| |
| #ifndef HAVE_BOOL_T |
| typedef unsigned char bool; |
| #define HAVE_BOOL_T |
| #endif |
| |
| |
| /* |
| * Default definition of uppercase TRUE and FALSE. |
| */ |
| |
| #ifndef TRUE |
| #define TRUE 1 |
| #endif |
| #ifndef FALSE |
| #define FALSE 0 |
| #endif |
| |
| |
| /* |
| * Typedef to 'int' if sig_atomic_t is not an available 'typedefed' type. |
| */ |
| |
| #ifndef HAVE_SIG_ATOMIC_T |
| typedef int sig_atomic_t; |
| #define HAVE_SIG_ATOMIC_T |
| #endif |
| |
| |
| /* |
| * Convenience SIG_ATOMIC_T definition |
| */ |
| |
| #ifdef HAVE_SIG_ATOMIC_T_VOLATILE |
| #define SIG_ATOMIC_T static sig_atomic_t |
| #else |
| #define SIG_ATOMIC_T static volatile sig_atomic_t |
| #endif |
| |
| |
| /* |
| * Default return type for signal handlers. |
| */ |
| |
| #ifndef RETSIGTYPE |
| #define RETSIGTYPE void |
| #endif |
| |
| |
| /* |
| * Macro used to include code only in debug builds. |
| */ |
| |
| #ifdef CURLDEBUG |
| #define DEBUGF(x) x |
| #else |
| #define DEBUGF(x) do { } while (0) |
| #endif |
| |
| |
| /* |
| * Macro used to include assertion code only in debug builds. |
| */ |
| |
| #if defined(CURLDEBUG) && defined(HAVE_ASSERT_H) |
| #define DEBUGASSERT(x) assert(x) |
| #else |
| #define DEBUGASSERT(x) do { } while (0) |
| #endif |
| |
| |
| /* |
| * Macro SOCKERRNO / SET_SOCKERRNO() returns / sets the *socket-related* errno |
| * (or equivalent) on this platform to hide platform details to code using it. |
| */ |
| |
| #ifdef USE_WINSOCK |
| #define SOCKERRNO ((int)WSAGetLastError()) |
| #define SET_SOCKERRNO(x) (WSASetLastError((int)(x))) |
| #else |
| #define SOCKERRNO (errno) |
| #define SET_SOCKERRNO(x) (errno = (x)) |
| #endif |
| |
| |
| /* |
| * Macro ERRNO / SET_ERRNO() returns / sets the NOT *socket-related* errno |
| * (or equivalent) on this platform to hide platform details to code using it. |
| */ |
| |
| #ifdef WIN32 |
| #define ERRNO ((int)GetLastError()) |
| #define SET_ERRNO(x) (SetLastError((DWORD)(x))) |
| #else |
| #define ERRNO (errno) |
| #define SET_ERRNO(x) (errno = (x)) |
| #endif |
| |
| |
| /* |
| * Portable error number symbolic names defined to Winsock error codes. |
| */ |
| |
| #ifdef USE_WINSOCK |
| #undef EBADF /* override definition in errno.h */ |
| #define EBADF WSAEBADF |
| #undef EINTR /* override definition in errno.h */ |
| #define EINTR WSAEINTR |
| #undef EINVAL /* override definition in errno.h */ |
| #define EINVAL WSAEINVAL |
| #define EWOULDBLOCK WSAEWOULDBLOCK |
| #define EINPROGRESS WSAEINPROGRESS |
| #define EALREADY WSAEALREADY |
| #define ENOTSOCK WSAENOTSOCK |
| #define EDESTADDRREQ WSAEDESTADDRREQ |
| #define EMSGSIZE WSAEMSGSIZE |
| #define EPROTOTYPE WSAEPROTOTYPE |
| #define ENOPROTOOPT WSAENOPROTOOPT |
| #define EPROTONOSUPPORT WSAEPROTONOSUPPORT |
| #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT |
| #define EOPNOTSUPP WSAEOPNOTSUPP |
| #define EPFNOSUPPORT WSAEPFNOSUPPORT |
| #define EAFNOSUPPORT WSAEAFNOSUPPORT |
| #define EADDRINUSE WSAEADDRINUSE |
| #define EADDRNOTAVAIL WSAEADDRNOTAVAIL |
| #define ENETDOWN WSAENETDOWN |
| #define ENETUNREACH WSAENETUNREACH |
| #define ENETRESET WSAENETRESET |
| #define ECONNABORTED WSAECONNABORTED |
| #define ECONNRESET WSAECONNRESET |
| #define ENOBUFS WSAENOBUFS |
| #define EISCONN WSAEISCONN |
| #define ENOTCONN WSAENOTCONN |
| #define ESHUTDOWN WSAESHUTDOWN |
| #define ETOOMANYREFS WSAETOOMANYREFS |
| #define ETIMEDOUT WSAETIMEDOUT |
| #define ECONNREFUSED WSAECONNREFUSED |
| #define ELOOP WSAELOOP |
| #ifndef ENAMETOOLONG /* possible previous definition in errno.h */ |
| #define ENAMETOOLONG WSAENAMETOOLONG |
| #endif |
| #define EHOSTDOWN WSAEHOSTDOWN |
| #define EHOSTUNREACH WSAEHOSTUNREACH |
| #ifndef ENOTEMPTY /* possible previous definition in errno.h */ |
| #define ENOTEMPTY WSAENOTEMPTY |
| #endif |
| #define EPROCLIM WSAEPROCLIM |
| #define EUSERS WSAEUSERS |
| #define EDQUOT WSAEDQUOT |
| #define ESTALE WSAESTALE |
| #define EREMOTE WSAEREMOTE |
| #endif |
| |
| |
| /* |
| * Actually use __32_getpwuid() on 64-bit VMS builds for getpwuid() |
| */ |
| |
| #if defined(VMS) && \ |
| defined(__INITIAL_POINTER_SIZE) && (__INITIAL_POINTER_SIZE == 64) |
| #define getpwuid __32_getpwuid |
| #endif |
| |
| |
| /* |
| * Macro argv_item_t hides platform details to code using it. |
| */ |
| |
| #ifdef VMS |
| #define argv_item_t __char_ptr32 |
| #else |
| #define argv_item_t char * |
| #endif |
| |
| |
| /* |
| * We use this ZERO_NULL to avoid picky compiler warnings, |
| * when assigning a NULL pointer to a function pointer var. |
| */ |
| |
| #define ZERO_NULL 0 |
| |
| |
| #if defined (__LP64__) && defined(__hpux) && !defined(_XOPEN_SOURCE_EXTENDED) |
| #include <sys/socket.h> |
| /* HP-UX has this oddity where it features a few functions that don't work |
| with socklen_t so we need to convert to ints |
| |
| This is due to socklen_t being a 64bit int under 64bit ABI, but the |
| pre-xopen (default) interfaces require an int, which is 32bits. |
| |
| Therefore, Anytime socklen_t is passed by pointer, the libc function |
| truncates the 64bit socklen_t value by treating it as a 32bit value. |
| |
| |
| Note that some socket calls are allowed to have a NULL pointer for |
| the socklen arg. |
| */ |
| |
| inline static int Curl_hp_getsockname(int s, struct sockaddr *name, |
| socklen_t *namelen) |
| { |
| int rc; |
| if(namelen) { |
| int len = *namelen; |
| rc = getsockname(s, name, &len); |
| *namelen = len; |
| } |
| else |
| rc = getsockname(s, name, 0); |
| return rc; |
| } |
| |
| inline static int Curl_hp_getsockopt(int s, int level, int optname, |
| void *optval, socklen_t *optlen) |
| { |
| int rc; |
| if(optlen) { |
| int len = *optlen; |
| rc = getsockopt(s, level, optname, optval, &len); |
| *optlen = len; |
| } |
| else |
| rc = getsockopt(s, level, optname, optval, 0); |
| return rc; |
| } |
| |
| inline static int Curl_hp_accept(int sockfd, struct sockaddr *addr, |
| socklen_t *addrlen) |
| { |
| int rc; |
| if(addrlen) { |
| int len = *addrlen; |
| rc = accept(sockfd, addr, &len); |
| *addrlen = len; |
| } |
| else |
| rc = accept(sockfd, addr, 0); |
| return rc; |
| } |
| |
| |
| inline static ssize_t Curl_hp_recvfrom(int s, void *buf, size_t len, int flags, |
| struct sockaddr *from, |
| socklen_t *fromlen) |
| { |
| ssize_t rc; |
| if(fromlen) { |
| int fromlen32 = *fromlen; |
| rc = recvfrom(s, buf, len, flags, from, &fromlen32); |
| *fromlen = fromlen32; |
| } |
| else { |
| rc = recvfrom(s, buf, len, flags, from, 0); |
| } |
| return rc; |
| } |
| |
| #define getsockname(a,b,c) Curl_hp_getsockname((a),(b),(c)) |
| #define getsockopt(a,b,c,d,e) Curl_hp_getsockopt((a),(b),(c),(d),(e)) |
| #define accept(a,b,c) Curl_hp_accept((a),(b),(c)) |
| #define recvfrom(a,b,c,d,e,f) Curl_hp_recvfrom((a),(b),(c),(d),(e),(f)) |
| |
| #endif /* HPUX work-around */ |
| |
| |
| #endif /* __SETUP_ONCE_H */ |
| |