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Unscramble port selection logic to avoid compiler complaints about

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uninitialized variables. I _think_ the logic is preserved...
This commit is contained in:
Thomas G. Lockhart 1997-11-17 16:42:39 +00:00
parent c2f4779ddf
commit 80c1e82232
1 changed files with 31 additions and 33 deletions
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64
src/interfaces/libpq/fe-connect.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.46 1997/11/14 15:38:31 thomas Exp $
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.47 1997/11/17 16:42:39 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -350,49 +350,43 @@ PQsetdb(const char *pghost, const char *pgport, const char *pgoptions, const cha
conn->port = NULL;
conn->notifyList = DLNewList();
if (!pghost || pghost[0] == '\0')
if ((pghost == NULL) || pghost[0] == '\0')
{
conn->pghost = NULL;
if (tmp = getenv("PGHOST"))
if ((tmp = getenv("PGHOST")) != NULL)
conn->pghost = strdup(tmp);
}
else
conn->pghost = strdup(pghost);
if (!pgport || pgport[0] == '\0')
if ((pgport == NULL) || pgport[0] == '\0')
{
if (!(tmp = getenv("PGPORT")))
{
if ((tmp = getenv("PGPORT")) == NULL)
tmp = DEF_PGPORT;
}
conn->pgport = strdup(tmp);
}
else
conn->pgport = strdup(pgport);
if (!pgtty || pgtty[0] == '\0')
if ((pgtty == NULL) || pgtty[0] == '\0')
{
if (!(tmp = getenv("PGTTY")))
{
if ((tmp = getenv("PGTTY")) == NULL)
tmp = DefaultTty;
}
conn->pgtty = strdup(tmp);
}
else
conn->pgtty = strdup(pgtty);
if (!pgoptions || pgoptions[0] == '\0')
if ((pgoptions == NULL) || pgoptions[0] == '\0')
{
if (!(tmp = getenv("PGOPTIONS")))
{
if ((tmp = getenv("PGOPTIONS")) == NULL)
tmp = DefaultOption;
}
conn->pgoptions = strdup(tmp);
}
else
conn->pgoptions = strdup(pgoptions);
if ((tmp = getenv("PGUSER")))
if ((tmp = getenv("PGUSER")) != NULL)
{
error = FALSE;
conn->pguser = strdup(tmp);
@ -413,19 +407,15 @@ PQsetdb(const char *pghost, const char *pgport, const char *pgoptions, const cha
}
}
if ((tmp = getenv("PGPASSWORD")))
{
if ((tmp = getenv("PGPASSWORD")) != NULL)
conn->pgpass = strdup(tmp);
}
else
{
conn->pgpass = 0;
}
if (!error)
{
if (((tmp = (char *) dbName) && (dbName[0] != '\0')) ||
((tmp = getenv("PGDATABASE"))))
if ((((tmp = (char *) dbName) != NULL) && (dbName[0] != '\0'))
|| ((tmp = getenv("PGDATABASE"))))
conn->dbName = strdup(tmp);
else
conn->dbName = strdup(conn->pguser);
@ -523,17 +513,25 @@ connectDB(PGconn *conn)
port = (Port *) malloc(sizeof(Port));
MemSet((char *) port, 0, sizeof(Port));
if (conn->pghost &&
(!(hp = gethostbyname(conn->pghost)) || hp->h_addrtype != AF_INET))
if (conn->pghost != NULL)
{
(void) sprintf(conn->errorMessage,
"connectDB() -- unknown hostname: %s\n",
conn->pghost);
goto connect_errReturn;
}
hp = gethostbyname(conn->pghost);
if ((hp == NULL) || (hp->h_addrtype != AF_INET))
{
(void) sprintf(conn->errorMessage,
"connectDB() -- unknown hostname: %s\n",
conn->pghost);
goto connect_errReturn;
}
} else
hp = NULL;
#if FALSE
MemSet((char *) &port->raddr, 0, sizeof(port->raddr));
#endif
portno = atoi(conn->pgport);
port->raddr.in.sin_family = family = conn->pghost ? AF_INET : AF_UNIX;
family = (conn->pghost != NULL) ? AF_INET : AF_UNIX;
port->raddr.in.sin_family = family;
if (family == AF_INET)
{
memmove((char *) &(port->raddr.in.sin_addr),
@ -620,7 +618,7 @@ connectDB(PGconn *conn)
}
/* free the password so it's not hanging out in memory forever */
if (conn->pgpass)
if (conn->pgpass != NULL)
{
free(conn->pgpass);
}
@ -628,7 +626,7 @@ connectDB(PGconn *conn)
/* set up the socket file descriptors */
conn->Pfout = fdopen(port->sock, "w");
conn->Pfin = fdopen(dup(port->sock), "r");
if (!conn->Pfout || !conn->Pfin)
if ((conn->Pfout == NULL) || (conn->Pfin == NULL))
{
(void) sprintf(conn->errorMessage,
"connectDB() -- fdopen() failed: errno=%d\n%s\n",