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Commit80c1e82

Browse files
author
Thomas G. Lockhart
committed
Unscramble port selection logic to avoid compiler complaints about
 uninitialized variables. I _think_ the logic is preserved...
1 parentc2f4779 commit80c1e82

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1 file changed

+31
-33
lines changed

1 file changed

+31
-33
lines changed

‎src/interfaces/libpq/fe-connect.c

Lines changed: 31 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
*
88
*
99
* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.46 1997/11/14 15:38:31 thomas Exp $
10+
* $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.47 1997/11/17 16:42:39 thomas Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -350,49 +350,43 @@ PQsetdb(const char *pghost, const char *pgport, const char *pgoptions, const cha
350350
conn->port=NULL;
351351
conn->notifyList=DLNewList();
352352

353-
if (!pghost||pghost[0]=='\0')
353+
if ((pghost==NULL)||pghost[0]=='\0')
354354
{
355355
conn->pghost=NULL;
356-
if (tmp=getenv("PGHOST"))
356+
if ((tmp=getenv("PGHOST"))!=NULL)
357357
conn->pghost=strdup(tmp);
358358
}
359359
else
360360
conn->pghost=strdup(pghost);
361361

362-
if (!pgport||pgport[0]=='\0')
362+
if ((pgport==NULL)||pgport[0]=='\0')
363363
{
364-
if (!(tmp=getenv("PGPORT")))
365-
{
364+
if ((tmp=getenv("PGPORT"))==NULL)
366365
tmp=DEF_PGPORT;
367-
}
368366
conn->pgport=strdup(tmp);
369367
}
370368
else
371369
conn->pgport=strdup(pgport);
372370

373-
if (!pgtty||pgtty[0]=='\0')
371+
if ((pgtty==NULL)||pgtty[0]=='\0')
374372
{
375-
if (!(tmp=getenv("PGTTY")))
376-
{
373+
if ((tmp=getenv("PGTTY"))==NULL)
377374
tmp=DefaultTty;
378-
}
379375
conn->pgtty=strdup(tmp);
380376
}
381377
else
382378
conn->pgtty=strdup(pgtty);
383379

384-
if (!pgoptions||pgoptions[0]=='\0')
380+
if ((pgoptions==NULL)||pgoptions[0]=='\0')
385381
{
386-
if (!(tmp=getenv("PGOPTIONS")))
387-
{
382+
if ((tmp=getenv("PGOPTIONS"))==NULL)
388383
tmp=DefaultOption;
389-
}
390384
conn->pgoptions=strdup(tmp);
391385
}
392386
else
393387
conn->pgoptions=strdup(pgoptions);
394388

395-
if ((tmp=getenv("PGUSER")))
389+
if ((tmp=getenv("PGUSER"))!=NULL)
396390
{
397391
error= FALSE;
398392
conn->pguser=strdup(tmp);
@@ -413,19 +407,15 @@ PQsetdb(const char *pghost, const char *pgport, const char *pgoptions, const cha
413407
}
414408
}
415409

416-
if ((tmp=getenv("PGPASSWORD")))
417-
{
410+
if ((tmp=getenv("PGPASSWORD"))!=NULL)
418411
conn->pgpass=strdup(tmp);
419-
}
420412
else
421-
{
422413
conn->pgpass=0;
423-
}
424414

425415
if (!error)
426416
{
427-
if (((tmp= (char*)dbName)&& (dbName[0]!='\0'))||
428-
((tmp=getenv("PGDATABASE"))))
417+
if ((((tmp= (char*)dbName)!=NULL)&& (dbName[0]!='\0'))
418+
||((tmp=getenv("PGDATABASE"))))
429419
conn->dbName=strdup(tmp);
430420
else
431421
conn->dbName=strdup(conn->pguser);
@@ -523,17 +513,25 @@ connectDB(PGconn *conn)
523513
port= (Port*)malloc(sizeof(Port));
524514
MemSet((char*)port,0,sizeof(Port));
525515

526-
if (conn->pghost&&
527-
(!(hp=gethostbyname(conn->pghost))||hp->h_addrtype!=AF_INET))
516+
if (conn->pghost!=NULL)
528517
{
529-
(void)sprintf(conn->errorMessage,
530-
"connectDB() -- unknown hostname: %s\n",
531-
conn->pghost);
532-
gotoconnect_errReturn;
533-
}
518+
hp=gethostbyname(conn->pghost);
519+
if ((hp==NULL)|| (hp->h_addrtype!=AF_INET))
520+
{
521+
(void)sprintf(conn->errorMessage,
522+
"connectDB() -- unknown hostname: %s\n",
523+
conn->pghost);
524+
gotoconnect_errReturn;
525+
}
526+
}else
527+
hp=NULL;
528+
529+
#ifFALSE
534530
MemSet((char*)&port->raddr,0,sizeof(port->raddr));
531+
#endif
535532
portno=atoi(conn->pgport);
536-
port->raddr.in.sin_family=family=conn->pghost ?AF_INET :AF_UNIX;
533+
family= (conn->pghost!=NULL) ?AF_INET :AF_UNIX;
534+
port->raddr.in.sin_family=family;
537535
if (family==AF_INET)
538536
{
539537
memmove((char*)&(port->raddr.in.sin_addr),
@@ -620,15 +618,15 @@ connectDB(PGconn *conn)
620618
}
621619

622620
/* free the password so it's not hanging out in memory forever */
623-
if (conn->pgpass)
621+
if (conn->pgpass!=NULL)
624622
{
625623
free(conn->pgpass);
626624
}
627625

628626
/* set up the socket file descriptors */
629627
conn->Pfout=fdopen(port->sock,"w");
630628
conn->Pfin=fdopen(dup(port->sock),"r");
631-
if (!conn->Pfout||!conn->Pfin)
629+
if ((conn->Pfout==NULL)||(conn->Pfin==NULL))
632630
{
633631
(void)sprintf(conn->errorMessage,
634632
"connectDB() -- fdopen() failed: errno=%d\n%s\n",

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