/src/interfaces/libpq/libpq-int.h
C Header | 641 lines | 401 code | 79 blank | 161 comment | 5 complexity | 31f964185244229185c44b1ba6701033 MD5 | raw file
Possible License(s): AGPL-3.0
- /*-------------------------------------------------------------------------
- *
- * libpq-int.h
- * This file contains internal definitions meant to be used only by
- * the frontend libpq library, not by applications that call it.
- *
- * An application can include this file if it wants to bypass the
- * official API defined by libpq-fe.h, but code that does so is much
- * more likely to break across PostgreSQL releases than code that uses
- * only the official API.
- *
- * Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/interfaces/libpq/libpq-int.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef LIBPQ_INT_H
- #define LIBPQ_INT_H
- /* We assume libpq-fe.h has already been included. */
- #include "postgres_fe.h"
- #include "libpq-events.h"
- #include <time.h>
- #include <sys/types.h>
- #ifndef WIN32
- #include <sys/time.h>
- #endif
- #ifdef ENABLE_THREAD_SAFETY
- #ifdef WIN32
- #include "pthread-win32.h"
- #else
- #include <pthread.h>
- #endif
- #include <signal.h>
- #endif
- /* include stuff common to fe and be */
- #include "getaddrinfo.h"
- #include "libpq/pqcomm.h"
- /* include stuff found in fe only */
- #include "pqexpbuffer.h"
- #ifdef ENABLE_GSS
- #if defined(HAVE_GSSAPI_H)
- #include <gssapi.h>
- #else
- #include <gssapi/gssapi.h>
- #endif
- #endif
- #ifdef ENABLE_SSPI
- #define SECURITY_WIN32
- #if defined(WIN32) && !defined(WIN32_ONLY_COMPILER)
- #include <ntsecapi.h>
- #endif
- #include <security.h>
- #undef SECURITY_WIN32
- #ifndef ENABLE_GSS
- /*
- * Define a fake structure compatible with GSSAPI on Unix.
- */
- typedef struct
- {
- void *value;
- int length;
- } gss_buffer_desc;
- #endif
- #endif /* ENABLE_SSPI */
- #ifdef USE_SSL
- #include <openssl/ssl.h>
- #include <openssl/err.h>
- #if (SSLEAY_VERSION_NUMBER >= 0x00907000L) && !defined(OPENSSL_NO_ENGINE)
- #define USE_SSL_ENGINE
- #endif
- #endif /* USE_SSL */
- /*
- * POSTGRES backend dependent Constants.
- */
- #define CMDSTATUS_LEN 64 /* should match COMPLETION_TAG_BUFSIZE */
- /*
- * PGresult and the subsidiary types PGresAttDesc, PGresAttValue
- * represent the result of a query (or more precisely, of a single SQL
- * command --- a query string given to PQexec can contain multiple commands).
- * Note we assume that a single command can return at most one tuple group,
- * hence there is no need for multiple descriptor sets.
- */
- /* Subsidiary-storage management structure for PGresult.
- * See space management routines in fe-exec.c for details.
- * Note that space[k] refers to the k'th byte starting from the physical
- * head of the block --- it's a union, not a struct!
- */
- typedef union pgresult_data PGresult_data;
- union pgresult_data
- {
- PGresult_data *next; /* link to next block, or NULL */
- char space[1]; /* dummy for accessing block as bytes */
- };
- /* Data about a single parameter of a prepared statement */
- typedef struct pgresParamDesc
- {
- Oid typid; /* type id */
- } PGresParamDesc;
- /*
- * Data for a single attribute of a single tuple
- *
- * We use char* for Attribute values.
- *
- * The value pointer always points to a null-terminated area; we add a
- * null (zero) byte after whatever the backend sends us. This is only
- * particularly useful for text values ... with a binary value, the
- * value might have embedded nulls, so the application can't use C string
- * operators on it. But we add a null anyway for consistency.
- * Note that the value itself does not contain a length word.
- *
- * A NULL attribute is a special case in two ways: its len field is NULL_LEN
- * and its value field points to null_field in the owning PGresult. All the
- * NULL attributes in a query result point to the same place (there's no need
- * to store a null string separately for each one).
- */
- #define NULL_LEN (-1) /* pg_result len for NULL value */
- typedef struct pgresAttValue
- {
- int len; /* length in bytes of the value */
- char *value; /* actual value, plus terminating zero byte */
- } PGresAttValue;
- /* Typedef for message-field list entries */
- typedef struct pgMessageField
- {
- struct pgMessageField *next; /* list link */
- char code; /* field code */
- char contents[1]; /* field value (VARIABLE LENGTH) */
- } PGMessageField;
- /* Fields needed for notice handling */
- typedef struct
- {
- PQnoticeReceiver noticeRec; /* notice message receiver */
- void *noticeRecArg;
- PQnoticeProcessor noticeProc; /* notice message processor */
- void *noticeProcArg;
- } PGNoticeHooks;
- typedef struct PGEvent
- {
- PGEventProc proc; /* the function to call on events */
- char *name; /* used only for error messages */
- void *passThrough; /* pointer supplied at registration time */
- void *data; /* optional state (instance) data */
- bool resultInitialized; /* T if RESULTCREATE/COPY succeeded */
- } PGEvent;
- struct pg_result
- {
- int ntups;
- int numAttributes;
- PGresAttDesc *attDescs;
- PGresAttValue **tuples; /* each PGresTuple is an array of
- * PGresAttValue's */
- int tupArrSize; /* allocated size of tuples array */
- int numParameters;
- PGresParamDesc *paramDescs;
- ExecStatusType resultStatus;
- char cmdStatus[CMDSTATUS_LEN]; /* cmd status from the query */
- int binary; /* binary tuple values if binary == 1,
- * otherwise text */
- /*
- * These fields are copied from the originating PGconn, so that operations
- * on the PGresult don't have to reference the PGconn.
- */
- PGNoticeHooks noticeHooks;
- PGEvent *events;
- int nEvents;
- int client_encoding; /* encoding id */
- /*
- * Error information (all NULL if not an error result). errMsg is the
- * "overall" error message returned by PQresultErrorMessage. If we have
- * per-field info then it is stored in a linked list.
- */
- char *errMsg; /* error message, or NULL if no error */
- PGMessageField *errFields; /* message broken into fields */
- /* All NULL attributes in the query result point to this null string */
- char null_field[1];
- /*
- * Space management information. Note that attDescs and error stuff, if
- * not null, point into allocated blocks. But tuples points to a
- * separately malloc'd block, so that we can realloc it.
- */
- PGresult_data *curBlock; /* most recently allocated block */
- int curOffset; /* start offset of free space in block */
- int spaceLeft; /* number of free bytes remaining in block */
- };
- /* PGAsyncStatusType defines the state of the query-execution state machine */
- typedef enum
- {
- PGASYNC_IDLE, /* nothing's happening, dude */
- PGASYNC_BUSY, /* query in progress */
- PGASYNC_READY, /* result ready for PQgetResult */
- PGASYNC_COPY_IN, /* Copy In data transfer in progress */
- PGASYNC_COPY_OUT, /* Copy Out data transfer in progress */
- PGASYNC_COPY_BOTH /* Copy In/Out data transfer in progress */
- } PGAsyncStatusType;
- /* PGQueryClass tracks which query protocol we are now executing */
- typedef enum
- {
- PGQUERY_SIMPLE, /* simple Query protocol (PQexec) */
- PGQUERY_EXTENDED, /* full Extended protocol (PQexecParams) */
- PGQUERY_PREPARE, /* Parse only (PQprepare) */
- PGQUERY_DESCRIBE /* Describe Statement or Portal */
- } PGQueryClass;
- /* PGSetenvStatusType defines the state of the PQSetenv state machine */
- /* (this is used only for 2.0-protocol connections) */
- typedef enum
- {
- SETENV_STATE_CLIENT_ENCODING_SEND, /* About to send an Environment Option */
- SETENV_STATE_CLIENT_ENCODING_WAIT, /* Waiting for above send to complete */
- SETENV_STATE_OPTION_SEND, /* About to send an Environment Option */
- SETENV_STATE_OPTION_WAIT, /* Waiting for above send to complete */
- SETENV_STATE_QUERY1_SEND, /* About to send a status query */
- SETENV_STATE_QUERY1_WAIT, /* Waiting for query to complete */
- SETENV_STATE_QUERY2_SEND, /* About to send a status query */
- SETENV_STATE_QUERY2_WAIT, /* Waiting for query to complete */
- SETENV_STATE_IDLE
- } PGSetenvStatusType;
- /* Typedef for the EnvironmentOptions[] array */
- typedef struct PQEnvironmentOption
- {
- const char *envName, /* name of an environment variable */
- *pgName; /* name of corresponding SET variable */
- } PQEnvironmentOption;
- /* Typedef for parameter-status list entries */
- typedef struct pgParameterStatus
- {
- struct pgParameterStatus *next; /* list link */
- char *name; /* parameter name */
- char *value; /* parameter value */
- /* Note: name and value are stored in same malloc block as struct is */
- } pgParameterStatus;
- /* large-object-access data ... allocated only if large-object code is used. */
- typedef struct pgLobjfuncs
- {
- Oid fn_lo_open; /* OID of backend function lo_open */
- Oid fn_lo_close; /* OID of backend function lo_close */
- Oid fn_lo_creat; /* OID of backend function lo_creat */
- Oid fn_lo_create; /* OID of backend function lo_create */
- Oid fn_lo_unlink; /* OID of backend function lo_unlink */
- Oid fn_lo_lseek; /* OID of backend function lo_lseek */
- Oid fn_lo_lseek64; /* OID of backend function lo_lseek64 */
- Oid fn_lo_tell; /* OID of backend function lo_tell */
- Oid fn_lo_tell64; /* OID of backend function lo_tell64 */
- Oid fn_lo_truncate; /* OID of backend function lo_truncate */
- Oid fn_lo_truncate64; /* OID of function lo_truncate64 */
- Oid fn_lo_read; /* OID of backend function LOread */
- Oid fn_lo_write; /* OID of backend function LOwrite */
- } PGlobjfuncs;
- /* PGdataValue represents a data field value being passed to a row processor.
- * It could be either text or binary data; text data is not zero-terminated.
- * A SQL NULL is represented by len < 0; then value is still valid but there
- * are no data bytes there.
- */
- typedef struct pgDataValue
- {
- int len; /* data length in bytes, or <0 if NULL */
- const char *value; /* data value, without zero-termination */
- } PGdataValue;
- /*
- * PGconn stores all the state data associated with a single connection
- * to a backend.
- */
- struct pg_conn
- {
- /* Saved values of connection options */
- char *pghost; /* the machine on which the server is running */
- char *pghostaddr; /* the numeric IP address of the machine on
- * which the server is running. Takes
- * precedence over above. */
- char *pgport; /* the server's communication port */
- char *pgunixsocket; /* the Unix-domain socket that the server is
- * listening on; if NULL, uses a default
- * constructed from pgport */
- char *pgtty; /* tty on which the backend messages is
- * displayed (OBSOLETE, NOT USED) */
- char *connect_timeout; /* connection timeout (numeric string) */
- char *client_encoding_initial; /* encoding to use */
- char *pgoptions; /* options to start the backend with */
- char *appname; /* application name */
- char *fbappname; /* fallback application name */
- char *dbName; /* database name */
- char *replication; /* connect as the replication standby? */
- char *pguser; /* Postgres username and password, if any */
- char *pgpass;
- char *keepalives; /* use TCP keepalives? */
- char *keepalives_idle; /* time between TCP keepalives */
- char *keepalives_interval; /* time between TCP keepalive
- * retransmits */
- char *keepalives_count; /* maximum number of TCP keepalive
- * retransmits */
- char *sslmode; /* SSL mode (require,prefer,allow,disable) */
- char *sslcompression; /* SSL compression (0 or 1) */
- char *sslkey; /* client key filename */
- char *sslcert; /* client certificate filename */
- char *sslrootcert; /* root certificate filename */
- char *sslcrl; /* certificate revocation list filename */
- char *requirepeer; /* required peer credentials for local sockets */
- #if defined(ENABLE_GSS) || defined(ENABLE_SSPI)
- char *krbsrvname; /* Kerberos service name */
- #endif
- /* Optional file to write trace info to */
- FILE *Pfdebug;
- /* Callback procedures for notice message processing */
- PGNoticeHooks noticeHooks;
- /* Event procs registered via PQregisterEventProc */
- PGEvent *events; /* expandable array of event data */
- int nEvents; /* number of active events */
- int eventArraySize; /* allocated array size */
- /* Status indicators */
- ConnStatusType status;
- PGAsyncStatusType asyncStatus;
- PGTransactionStatusType xactStatus; /* never changes to ACTIVE */
- PGQueryClass queryclass;
- char *last_query; /* last SQL command, or NULL if unknown */
- char last_sqlstate[6]; /* last reported SQLSTATE */
- bool options_valid; /* true if OK to attempt connection */
- bool nonblocking; /* whether this connection is using nonblock
- * sending semantics */
- bool singleRowMode; /* return current query result row-by-row? */
- char copy_is_binary; /* 1 = copy binary, 0 = copy text */
- int copy_already_done; /* # bytes already returned in COPY
- * OUT */
- PGnotify *notifyHead; /* oldest unreported Notify msg */
- PGnotify *notifyTail; /* newest unreported Notify msg */
- /* Connection data */
- /* See PQconnectPoll() for how we use 'int' and not 'pgsocket'. */
- pgsocket sock; /* FD for socket, PGINVALID_SOCKET if
- * unconnected */
- SockAddr laddr; /* Local address */
- SockAddr raddr; /* Remote address */
- ProtocolVersion pversion; /* FE/BE protocol version in use */
- int sversion; /* server version, e.g. 70401 for 7.4.1 */
- bool auth_req_received; /* true if any type of auth req
- * received */
- bool password_needed; /* true if server demanded a password */
- bool dot_pgpass_used; /* true if used .pgpass */
- bool sigpipe_so; /* have we masked SIGPIPE via SO_NOSIGPIPE? */
- bool sigpipe_flag; /* can we mask SIGPIPE via MSG_NOSIGNAL? */
- /* Transient state needed while establishing connection */
- struct addrinfo *addrlist; /* list of possible backend addresses */
- struct addrinfo *addr_cur; /* the one currently being tried */
- int addrlist_family; /* needed to know how to free addrlist */
- PGSetenvStatusType setenv_state; /* for 2.0 protocol only */
- const PQEnvironmentOption *next_eo;
- bool send_appname; /* okay to send application_name? */
- /* Miscellaneous stuff */
- int be_pid; /* PID of backend --- needed for cancels */
- int be_key; /* key of backend --- needed for cancels */
- char md5Salt[4]; /* password salt received from backend */
- pgParameterStatus *pstatus; /* ParameterStatus data */
- int client_encoding; /* encoding id */
- bool std_strings; /* standard_conforming_strings */
- PGVerbosity verbosity; /* error/notice message verbosity */
- PGlobjfuncs *lobjfuncs; /* private state for large-object access fns */
- /* Buffer for data received from backend and not yet processed */
- char *inBuffer; /* currently allocated buffer */
- int inBufSize; /* allocated size of buffer */
- int inStart; /* offset to first unconsumed data in buffer */
- int inCursor; /* next byte to tentatively consume */
- int inEnd; /* offset to first position after avail data */
- /* Buffer for data not yet sent to backend */
- char *outBuffer; /* currently allocated buffer */
- int outBufSize; /* allocated size of buffer */
- int outCount; /* number of chars waiting in buffer */
- /* State for constructing messages in outBuffer */
- int outMsgStart; /* offset to msg start (length word); if -1,
- * msg has no length word */
- int outMsgEnd; /* offset to msg end (so far) */
- /* Row processor interface workspace */
- PGdataValue *rowBuf; /* array for passing values to rowProcessor */
- int rowBufLen; /* number of entries allocated in rowBuf */
- /* Status for asynchronous result construction */
- PGresult *result; /* result being constructed */
- PGresult *next_result; /* next result (used in single-row mode) */
- /* Assorted state for SSL, GSS, etc */
- #ifdef USE_SSL
- bool allow_ssl_try; /* Allowed to try SSL negotiation */
- bool wait_ssl_try; /* Delay SSL negotiation until after
- * attempting normal connection */
- SSL *ssl; /* SSL status, if have SSL connection */
- X509 *peer; /* X509 cert of server */
- #ifdef USE_SSL_ENGINE
- ENGINE *engine; /* SSL engine, if any */
- #else
- void *engine; /* dummy field to keep struct the same if
- * OpenSSL version changes */
- #endif
- #endif /* USE_SSL */
- #ifdef ENABLE_GSS
- gss_ctx_id_t gctx; /* GSS context */
- gss_name_t gtarg_nam; /* GSS target name */
- gss_buffer_desc ginbuf; /* GSS input token */
- gss_buffer_desc goutbuf; /* GSS output token */
- #endif
- #ifdef ENABLE_SSPI
- #ifndef ENABLE_GSS
- gss_buffer_desc ginbuf; /* GSS input token */
- #else
- char *gsslib; /* What GSS librart to use ("gssapi" or
- * "sspi") */
- #endif
- CredHandle *sspicred; /* SSPI credentials handle */
- CtxtHandle *sspictx; /* SSPI context */
- char *sspitarget; /* SSPI target name */
- int usesspi; /* Indicate if SSPI is in use on the
- * connection */
- #endif
- /* Buffer for current error message */
- PQExpBufferData errorMessage; /* expansible string */
- /* Buffer for receiving various parts of messages */
- PQExpBufferData workBuffer; /* expansible string */
- };
- /* PGcancel stores all data necessary to cancel a connection. A copy of this
- * data is required to safely cancel a connection running on a different
- * thread.
- */
- struct pg_cancel
- {
- SockAddr raddr; /* Remote address */
- int be_pid; /* PID of backend --- needed for cancels */
- int be_key; /* key of backend --- needed for cancels */
- };
- /* String descriptions of the ExecStatusTypes.
- * direct use of this array is deprecated; call PQresStatus() instead.
- */
- extern char *const pgresStatus[];
- /* ----------------
- * Internal functions of libpq
- * Functions declared here need to be visible across files of libpq,
- * but are not intended to be called by applications. We use the
- * convention "pqXXX" for internal functions, vs. the "PQxxx" names
- * used for application-visible routines.
- * ----------------
- */
- /* === in fe-connect.c === */
- extern void pqDropConnection(PGconn *conn);
- extern int pqPacketSend(PGconn *conn, char pack_type,
- const void *buf, size_t buf_len);
- extern bool pqGetHomeDirectory(char *buf, int bufsize);
- #ifdef ENABLE_THREAD_SAFETY
- extern pgthreadlock_t pg_g_threadlock;
- #define PGTHREAD_ERROR(msg) \
- do { \
- fprintf(stderr, "%s\n", msg); \
- abort(); \
- } while (0)
- #define pglock_thread() pg_g_threadlock(true)
- #define pgunlock_thread() pg_g_threadlock(false)
- #else
- #define pglock_thread() ((void) 0)
- #define pgunlock_thread() ((void) 0)
- #endif
- /* === in fe-exec.c === */
- extern void pqSetResultError(PGresult *res, const char *msg);
- extern void pqCatenateResultError(PGresult *res, const char *msg);
- extern void *pqResultAlloc(PGresult *res, size_t nBytes, bool isBinary);
- extern char *pqResultStrdup(PGresult *res, const char *str);
- extern void pqClearAsyncResult(PGconn *conn);
- extern void pqSaveErrorResult(PGconn *conn);
- extern PGresult *pqPrepareAsyncResult(PGconn *conn);
- extern void
- pqInternalNotice(const PGNoticeHooks *hooks, const char *fmt,...)
- /* This lets gcc check the format string for consistency. */
- __attribute__((format(PG_PRINTF_ATTRIBUTE, 2, 3)));
- extern void pqSaveMessageField(PGresult *res, char code,
- const char *value);
- extern void pqSaveParameterStatus(PGconn *conn, const char *name,
- const char *value);
- extern int pqRowProcessor(PGconn *conn, const char **errmsgp);
- extern void pqHandleSendFailure(PGconn *conn);
- /* === in fe-protocol2.c === */
- extern PostgresPollingStatusType pqSetenvPoll(PGconn *conn);
- extern char *pqBuildStartupPacket2(PGconn *conn, int *packetlen,
- const PQEnvironmentOption *options);
- extern void pqParseInput2(PGconn *conn);
- extern int pqGetCopyData2(PGconn *conn, char **buffer, int async);
- extern int pqGetline2(PGconn *conn, char *s, int maxlen);
- extern int pqGetlineAsync2(PGconn *conn, char *buffer, int bufsize);
- extern int pqEndcopy2(PGconn *conn);
- extern PGresult *pqFunctionCall2(PGconn *conn, Oid fnid,
- int *result_buf, int *actual_result_len,
- int result_is_int,
- const PQArgBlock *args, int nargs);
- /* === in fe-protocol3.c === */
- extern char *pqBuildStartupPacket3(PGconn *conn, int *packetlen,
- const PQEnvironmentOption *options);
- extern void pqParseInput3(PGconn *conn);
- extern int pqGetErrorNotice3(PGconn *conn, bool isError);
- extern int pqGetCopyData3(PGconn *conn, char **buffer, int async);
- extern int pqGetline3(PGconn *conn, char *s, int maxlen);
- extern int pqGetlineAsync3(PGconn *conn, char *buffer, int bufsize);
- extern int pqEndcopy3(PGconn *conn);
- extern PGresult *pqFunctionCall3(PGconn *conn, Oid fnid,
- int *result_buf, int *actual_result_len,
- int result_is_int,
- const PQArgBlock *args, int nargs);
- /* === in fe-misc.c === */
- /*
- * "Get" and "Put" routines return 0 if successful, EOF if not. Note that for
- * Get, EOF merely means the buffer is exhausted, not that there is
- * necessarily any error.
- */
- extern int pqCheckOutBufferSpace(size_t bytes_needed, PGconn *conn);
- extern int pqCheckInBufferSpace(size_t bytes_needed, PGconn *conn);
- extern int pqGetc(char *result, PGconn *conn);
- extern int pqPutc(char c, PGconn *conn);
- extern int pqGets(PQExpBuffer buf, PGconn *conn);
- extern int pqGets_append(PQExpBuffer buf, PGconn *conn);
- extern int pqPuts(const char *s, PGconn *conn);
- extern int pqGetnchar(char *s, size_t len, PGconn *conn);
- extern int pqSkipnchar(size_t len, PGconn *conn);
- extern int pqPutnchar(const char *s, size_t len, PGconn *conn);
- extern int pqGetInt(int *result, size_t bytes, PGconn *conn);
- extern int pqPutInt(int value, size_t bytes, PGconn *conn);
- extern int pqPutMsgStart(char msg_type, bool force_len, PGconn *conn);
- extern int pqPutMsgEnd(PGconn *conn);
- extern int pqReadData(PGconn *conn);
- extern int pqFlush(PGconn *conn);
- extern int pqWait(int forRead, int forWrite, PGconn *conn);
- extern int pqWaitTimed(int forRead, int forWrite, PGconn *conn,
- time_t finish_time);
- extern int pqReadReady(PGconn *conn);
- extern int pqWriteReady(PGconn *conn);
- /* === in fe-secure.c === */
- extern int pqsecure_initialize(PGconn *);
- extern void pqsecure_destroy(void);
- extern PostgresPollingStatusType pqsecure_open_client(PGconn *);
- extern void pqsecure_close(PGconn *);
- extern ssize_t pqsecure_read(PGconn *, void *ptr, size_t len);
- extern ssize_t pqsecure_write(PGconn *, const void *ptr, size_t len);
- #if defined(ENABLE_THREAD_SAFETY) && !defined(WIN32)
- extern int pq_block_sigpipe(sigset_t *osigset, bool *sigpipe_pending);
- extern void pq_reset_sigpipe(sigset_t *osigset, bool sigpipe_pending,
- bool got_epipe);
- #endif
- /*
- * this is so that we can check if a connection is non-blocking internally
- * without the overhead of a function call
- */
- #define pqIsnonblocking(conn) ((conn)->nonblocking)
- #ifdef ENABLE_NLS
- extern char *
- libpq_gettext(const char *msgid)
- __attribute__((format_arg(1)));
- #else
- #define libpq_gettext(x) (x)
- #endif
- /*
- * These macros are needed to let error-handling code be portable between
- * Unix and Windows. (ugh)
- */
- #ifdef WIN32
- #define SOCK_ERRNO (WSAGetLastError())
- #define SOCK_STRERROR winsock_strerror
- #define SOCK_ERRNO_SET(e) WSASetLastError(e)
- #else
- #define SOCK_ERRNO errno
- #define SOCK_STRERROR pqStrerror
- #define SOCK_ERRNO_SET(e) (errno = (e))
- #endif
- #endif /* LIBPQ_INT_H */