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https://github.com/postgres/postgres.git
synced 2025-05-21 15:54:08 +03:00
The correct min buffer size is
INITIAL_EXPBUFFER_SIZE, not PQERRORMSG_LENGTH. Backpatch only, the proper fix in HEAD is to use PQExpBuffers everywhere.
This commit is contained in:
Magnus Hagander
parent
987b0664fb
commit
b25d3e4db0
@ -10,7 +10,7 @@
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* exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.107.2.2 2006/03/06 17:59:42 momjian Exp $
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* $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.107.2.3 2007/07/23 18:13:02 mha Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -130,7 +130,7 @@ pg_krb5_init(char *PQerrormsg, struct krb5_info *info)
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retval = krb5_init_context(&(info->pg_krb5_context));
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if (retval)
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_krb5_init: krb5_init_context: %s\n",
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error_message(retval));
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return STATUS_ERROR;
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@ -139,7 +139,7 @@ pg_krb5_init(char *PQerrormsg, struct krb5_info *info)
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retval = krb5_cc_default(info->pg_krb5_context, &(info->pg_krb5_ccache));
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if (retval)
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_krb5_init: krb5_cc_default: %s\n",
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error_message(retval));
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krb5_free_context(info->pg_krb5_context);
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@ -150,7 +150,7 @@ pg_krb5_init(char *PQerrormsg, struct krb5_info *info)
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&(info->pg_krb5_client));
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if (retval)
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_krb5_init: krb5_cc_get_principal: %s\n",
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error_message(retval));
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krb5_cc_close(info->pg_krb5_context, info->pg_krb5_ccache);
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@ -161,7 +161,7 @@ pg_krb5_init(char *PQerrormsg, struct krb5_info *info)
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retval = krb5_unparse_name(info->pg_krb5_context, info->pg_krb5_client, &(info->pg_krb5_name));
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if (retval)
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_krb5_init: krb5_unparse_name: %s\n",
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error_message(retval));
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krb5_free_principal(info->pg_krb5_context, info->pg_krb5_client);
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@ -224,7 +224,7 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
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if (!hostname)
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_krb5_sendauth: hostname must be specified for Kerberos authentication\n");
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return STATUS_ERROR;
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}
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@ -237,7 +237,7 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
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KRB5_NT_SRV_HST, &server);
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if (retval)
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_krb5_sendauth: krb5_sname_to_principal: %s\n",
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error_message(retval));
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pg_krb5_destroy(&info);
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@ -253,7 +253,7 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
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{
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char sebuf[256];
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("could not set socket to blocking mode: %s\n"), pqStrerror(errno, sebuf, sizeof(sebuf)));
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krb5_free_principal(info.pg_krb5_context, server);
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pg_krb5_destroy(&info);
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@ -271,11 +271,11 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
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if (retval == KRB5_SENDAUTH_REJECTED && err_ret)
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{
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#if defined(HAVE_KRB5_ERROR_TEXT_DATA)
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("Kerberos 5 authentication rejected: %*s\n"),
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(int) err_ret->text.length, err_ret->text.data);
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#elif defined(HAVE_KRB5_ERROR_E_DATA)
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("Kerberos 5 authentication rejected: %*s\n"),
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(int) err_ret->e_data->length,
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(const char *) err_ret->e_data->data);
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@ -285,7 +285,7 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
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}
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else
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{
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"krb5_sendauth: %s\n", error_message(retval));
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}
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@ -301,7 +301,7 @@ pg_krb5_sendauth(char *PQerrormsg, int sock, const char *hostname, const char *s
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{
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char sebuf[256];
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("could not restore non-blocking mode on socket: %s\n"),
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pqStrerror(errno, sebuf, sizeof(sebuf)));
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ret = STATUS_ERROR;
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@ -363,14 +363,14 @@ pg_local_sendauth(char *PQerrormsg, PGconn *conn)
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{
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char sebuf[256];
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"pg_local_sendauth: sendmsg: %s\n",
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pqStrerror(errno, sebuf, sizeof(sebuf)));
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return STATUS_ERROR;
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}
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return STATUS_OK;
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#else
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("SCM_CRED authentication method not supported\n"));
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return STATUS_ERROR;
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#endif
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@ -456,7 +456,7 @@ pg_fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
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break;
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case AUTH_REQ_KRB4:
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("Kerberos 4 authentication not supported\n"));
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return STATUS_ERROR;
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@ -473,7 +473,7 @@ pg_fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
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pgunlock_thread();
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break;
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#else
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("Kerberos 5 authentication not supported\n"));
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return STATUS_ERROR;
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#endif
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@ -483,13 +483,13 @@ pg_fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
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case AUTH_REQ_PASSWORD:
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if (password == NULL || *password == '\0')
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{
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(void) snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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(void) snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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PQnoPasswordSupplied);
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return STATUS_ERROR;
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}
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if (pg_password_sendauth(conn, password, areq) != STATUS_OK)
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{
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(void) snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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(void) snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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"fe_sendauth: error sending password authentication\n");
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return STATUS_ERROR;
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}
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@ -501,7 +501,7 @@ pg_fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
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break;
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default:
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snprintf(PQerrormsg, PQERRORMSG_LENGTH,
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snprintf(PQerrormsg, INITIAL_EXPBUFFER_SIZE,
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libpq_gettext("authentication method %u not supported\n"), areq);
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return STATUS_ERROR;
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}
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.323.2.2 2006/05/21 20:19:44 tgl Exp $
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* $PostgreSQL: pgsql/src/interfaces/libpq/fe-connect.c,v 1.323.2.3 2007/07/23 18:13:02 mha Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -2495,7 +2495,7 @@ conninfo_parse(const char *conninfo, PQExpBuffer errorMessage)
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char *cp2;
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PQconninfoOption *options;
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PQconninfoOption *option;
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char errortmp[PQERRORMSG_LENGTH];
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char errortmp[INITIAL_EXPBUFFER_SIZE];
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/* Make a working copy of PQconninfoOptions */
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options = malloc(sizeof(PQconninfoOptions));
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@ -12,7 +12,7 @@
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* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.108.2.2 2006/05/21 20:19:44 tgl Exp $
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* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-int.h,v 1.108.2.3 2007/07/23 18:13:02 mha Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -57,7 +57,6 @@ typedef int ssize_t; /* ssize_t doesn't exist in VC (at least not
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/*
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* POSTGRES backend dependent Constants.
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*/
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#define PQERRORMSG_LENGTH 1024
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#define CMDSTATUS_LEN 40
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/*
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