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Commit758ce9b

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Incorporate strerror_r() into src/port/snprintf.c, too.
This provides the features that used to exist in useful_strerror()for users of strerror_r(), too. Also, standardize on the GNU conventionthat strerror_r returns a char pointer that may not be NULL.I notice that libpq's win32.c contains a variant version of strerror_rthat probably ought to be folded into strerror.c. But lacking aWindows environment, I should leave that to somebody else.Discussion:https://postgr.es/m/2975.1526862605@sss.pgh.pa.us
1 parent26e9d4d commit758ce9b

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11 files changed

+99
-83
lines changed

11 files changed

+99
-83
lines changed

‎src/include/port.h

Lines changed: 5 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -193,6 +193,11 @@ extern intpg_printf(const char *fmt,...) pg_attribute_printf(1, 2);
193193
externchar*pg_strerror(interrnum);
194194
#definestrerror pg_strerror
195195

196+
/* Likewise for strerror_r(); note we prefer the GNU API for that */
197+
externchar*pg_strerror_r(interrnum,char*buf,size_tbuflen);
198+
#definestrerror_r pg_strerror_r
199+
#definePG_STRERROR_R_BUFLEN 256/* Recommended buffer size for strerror_r */
200+
196201
/* Portable prompt handling */
197202
externvoidsimple_prompt(constchar*prompt,char*destination,size_tdestlen,
198203
boolecho);
@@ -428,8 +433,6 @@ extern char *dlerror(void);
428433
#endif
429434

430435
/* thread.h */
431-
externchar*pqStrerror(interrnum,char*strerrbuf,size_tbuflen);
432-
433436
#ifndefWIN32
434437
externintpqGetpwuid(uid_tuid,structpasswd*resultbuf,char*buffer,
435438
size_tbuflen,structpasswd**result);

‎src/interfaces/libpq/fe-auth.c

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -756,11 +756,11 @@ pg_local_sendauth(PGconn *conn)
756756

757757
if (sendmsg(conn->sock,&msg,0)==-1)
758758
{
759-
charsebuf[256];
759+
charsebuf[PG_STRERROR_R_BUFLEN];
760760

761761
printfPQExpBuffer(&conn->errorMessage,
762762
"pg_local_sendauth: sendmsg: %s\n",
763-
pqStrerror(errno,sebuf,sizeof(sebuf)));
763+
strerror_r(errno,sebuf,sizeof(sebuf)));
764764
returnSTATUS_ERROR;
765765
}
766766
returnSTATUS_OK;
@@ -1098,7 +1098,7 @@ pg_fe_getauthname(PQExpBuffer errorMessage)
10981098
printfPQExpBuffer(errorMessage,
10991099
libpq_gettext("could not look up local user ID %d: %s\n"),
11001100
(int)user_id,
1101-
pqStrerror(pwerr,pwdbuf,sizeof(pwdbuf)));
1101+
strerror_r(pwerr,pwdbuf,sizeof(pwdbuf)));
11021102
else
11031103
printfPQExpBuffer(errorMessage,
11041104
libpq_gettext("local user with ID %d does not exist\n"),

‎src/interfaces/libpq/fe-connect.c

Lines changed: 9 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -1459,7 +1459,7 @@ connectNoDelay(PGconn *conn)
14591459
(char*)&on,
14601460
sizeof(on))<0)
14611461
{
1462-
charsebuf[256];
1462+
charsebuf[PG_STRERROR_R_BUFLEN];
14631463

14641464
appendPQExpBuffer(&conn->errorMessage,
14651465
libpq_gettext("could not set socket to TCP no delay mode: %s\n"),
@@ -1480,7 +1480,7 @@ connectNoDelay(PGconn *conn)
14801480
staticvoid
14811481
connectFailureMessage(PGconn*conn,interrorno)
14821482
{
1483-
charsebuf[256];
1483+
charsebuf[PG_STRERROR_R_BUFLEN];
14841484

14851485
#ifdefHAVE_UNIX_SOCKETS
14861486
if (IS_AF_UNIX(conn->raddr.addr.ss_family))
@@ -1637,7 +1637,7 @@ setKeepalivesIdle(PGconn *conn)
16371637
if (setsockopt(conn->sock,IPPROTO_TCP,PG_TCP_KEEPALIVE_IDLE,
16381638
(char*)&idle,sizeof(idle))<0)
16391639
{
1640-
charsebuf[256];
1640+
charsebuf[PG_STRERROR_R_BUFLEN];
16411641

16421642
appendPQExpBuffer(&conn->errorMessage,
16431643
libpq_gettext("setsockopt(%s) failed: %s\n"),
@@ -1671,7 +1671,7 @@ setKeepalivesInterval(PGconn *conn)
16711671
if (setsockopt(conn->sock,IPPROTO_TCP,TCP_KEEPINTVL,
16721672
(char*)&interval,sizeof(interval))<0)
16731673
{
1674-
charsebuf[256];
1674+
charsebuf[PG_STRERROR_R_BUFLEN];
16751675

16761676
appendPQExpBuffer(&conn->errorMessage,
16771677
libpq_gettext("setsockopt(%s) failed: %s\n"),
@@ -1706,7 +1706,7 @@ setKeepalivesCount(PGconn *conn)
17061706
if (setsockopt(conn->sock,IPPROTO_TCP,TCP_KEEPCNT,
17071707
(char*)&count,sizeof(count))<0)
17081708
{
1709-
charsebuf[256];
1709+
charsebuf[PG_STRERROR_R_BUFLEN];
17101710

17111711
appendPQExpBuffer(&conn->errorMessage,
17121712
libpq_gettext("setsockopt(%s) failed: %s\n"),
@@ -2036,7 +2036,7 @@ PQconnectPoll(PGconn *conn)
20362036
boolreset_connection_state_machine= false;
20372037
boolneed_new_connection= false;
20382038
PGresult*res;
2039-
charsebuf[256];
2039+
charsebuf[PG_STRERROR_R_BUFLEN];
20402040
intoptval;
20412041
PQExpBufferDatasavedMessage;
20422042

@@ -2580,7 +2580,7 @@ PQconnectPoll(PGconn *conn)
25802580
else
25812581
appendPQExpBuffer(&conn->errorMessage,
25822582
libpq_gettext("could not get peer credentials: %s\n"),
2583-
pqStrerror(errno,sebuf,sizeof(sebuf)));
2583+
strerror_r(errno,sebuf,sizeof(sebuf)));
25842584
gotoerror_return;
25852585
}
25862586

@@ -2591,7 +2591,7 @@ PQconnectPoll(PGconn *conn)
25912591
appendPQExpBuffer(&conn->errorMessage,
25922592
libpq_gettext("could not look up local user ID %d: %s\n"),
25932593
(int)uid,
2594-
pqStrerror(passerr,sebuf,sizeof(sebuf)));
2594+
strerror_r(passerr,sebuf,sizeof(sebuf)));
25952595
else
25962596
appendPQExpBuffer(&conn->errorMessage,
25972597
libpq_gettext("local user with ID %d does not exist\n"),
@@ -3953,7 +3953,7 @@ internal_cancel(SockAddr *raddr, int be_pid, int be_key,
39533953
{
39543954
intsave_errno=SOCK_ERRNO;
39553955
pgsockettmpsock=PGINVALID_SOCKET;
3956-
charsebuf[256];
3956+
charsebuf[PG_STRERROR_R_BUFLEN];
39573957
intmaxlen;
39583958
struct
39593959
{

‎src/interfaces/libpq/fe-lobj.c

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -694,7 +694,7 @@ lo_import_internal(PGconn *conn, const char *filename, Oid oid)
694694
charbuf[LO_BUFSIZE];
695695
OidlobjOid;
696696
intlobj;
697-
charsebuf[256];
697+
charsebuf[PG_STRERROR_R_BUFLEN];
698698

699699
/*
700700
* open the file to be read in
@@ -704,7 +704,7 @@ lo_import_internal(PGconn *conn, const char *filename, Oid oid)
704704
{/* error */
705705
printfPQExpBuffer(&conn->errorMessage,
706706
libpq_gettext("could not open file \"%s\": %s\n"),
707-
filename,pqStrerror(errno,sebuf,sizeof(sebuf)));
707+
filename,strerror_r(errno,sebuf,sizeof(sebuf)));
708708
returnInvalidOid;
709709
}
710710

@@ -760,7 +760,7 @@ lo_import_internal(PGconn *conn, const char *filename, Oid oid)
760760
printfPQExpBuffer(&conn->errorMessage,
761761
libpq_gettext("could not read from file \"%s\": %s\n"),
762762
filename,
763-
pqStrerror(save_errno,sebuf,sizeof(sebuf)));
763+
strerror_r(save_errno,sebuf,sizeof(sebuf)));
764764
returnInvalidOid;
765765
}
766766

@@ -789,7 +789,7 @@ lo_export(PGconn *conn, Oid lobjId, const char *filename)
789789
tmp;
790790
charbuf[LO_BUFSIZE];
791791
intlobj;
792-
charsebuf[256];
792+
charsebuf[PG_STRERROR_R_BUFLEN];
793793

794794
/*
795795
* open the large object.
@@ -814,7 +814,7 @@ lo_export(PGconn *conn, Oid lobjId, const char *filename)
814814
printfPQExpBuffer(&conn->errorMessage,
815815
libpq_gettext("could not open file \"%s\": %s\n"),
816816
filename,
817-
pqStrerror(save_errno,sebuf,sizeof(sebuf)));
817+
strerror_r(save_errno,sebuf,sizeof(sebuf)));
818818
return-1;
819819
}
820820

@@ -834,7 +834,7 @@ lo_export(PGconn *conn, Oid lobjId, const char *filename)
834834
printfPQExpBuffer(&conn->errorMessage,
835835
libpq_gettext("could not write to file \"%s\": %s\n"),
836836
filename,
837-
pqStrerror(save_errno,sebuf,sizeof(sebuf)));
837+
strerror_r(save_errno,sebuf,sizeof(sebuf)));
838838
return-1;
839839
}
840840
}
@@ -857,7 +857,7 @@ lo_export(PGconn *conn, Oid lobjId, const char *filename)
857857
{
858858
printfPQExpBuffer(&conn->errorMessage,
859859
libpq_gettext("could not write to file \"%s\": %s\n"),
860-
filename,pqStrerror(errno,sebuf,sizeof(sebuf)));
860+
filename,strerror_r(errno,sebuf,sizeof(sebuf)));
861861
result=-1;
862862
}
863863

‎src/interfaces/libpq/fe-misc.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1071,7 +1071,7 @@ pqSocketCheck(PGconn *conn, int forRead, int forWrite, time_t end_time)
10711071

10721072
if (result<0)
10731073
{
1074-
charsebuf[256];
1074+
charsebuf[PG_STRERROR_R_BUFLEN];
10751075

10761076
printfPQExpBuffer(&conn->errorMessage,
10771077
libpq_gettext("select() failed: %s\n"),

‎src/interfaces/libpq/fe-secure-openssl.c

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -142,7 +142,7 @@ pgtls_read(PGconn *conn, void *ptr, size_t len)
142142
{
143143
ssize_tn;
144144
intresult_errno=0;
145-
charsebuf[256];
145+
charsebuf[PG_STRERROR_R_BUFLEN];
146146
interr;
147147
unsigned longecode;
148148

@@ -272,7 +272,7 @@ pgtls_write(PGconn *conn, const void *ptr, size_t len)
272272
{
273273
ssize_tn;
274274
intresult_errno=0;
275-
charsebuf[256];
275+
charsebuf[PG_STRERROR_R_BUFLEN];
276276
interr;
277277
unsigned longecode;
278278

@@ -443,7 +443,7 @@ pgtls_get_peer_certificate_hash(PGconn *conn, size_t *len)
443443

444444
returncert_hash;
445445
}
446-
#endif/* HAVE_X509_GET_SIGNATURE_NID */
446+
#endif/* HAVE_X509_GET_SIGNATURE_NID */
447447

448448
/* ------------------------------------------------------------ */
449449
/*OpenSSL specific code*/
@@ -780,7 +780,7 @@ initialize_SSL(PGconn *conn)
780780
structstatbuf;
781781
charhomedir[MAXPGPATH];
782782
charfnbuf[MAXPGPATH];
783-
charsebuf[256];
783+
charsebuf[PG_STRERROR_R_BUFLEN];
784784
boolhave_homedir;
785785
boolhave_cert;
786786
boolhave_rootcert;
@@ -941,7 +941,7 @@ initialize_SSL(PGconn *conn)
941941
{
942942
printfPQExpBuffer(&conn->errorMessage,
943943
libpq_gettext("could not open certificate file \"%s\": %s\n"),
944-
fnbuf,pqStrerror(errno,sebuf,sizeof(sebuf)));
944+
fnbuf,strerror_r(errno,sebuf,sizeof(sebuf)));
945945
SSL_CTX_free(SSL_context);
946946
return-1;
947947
}
@@ -1212,7 +1212,7 @@ open_client_SSL(PGconn *conn)
12121212

12131213
caseSSL_ERROR_SYSCALL:
12141214
{
1215-
charsebuf[256];
1215+
charsebuf[PG_STRERROR_R_BUFLEN];
12161216

12171217
if (r==-1)
12181218
printfPQExpBuffer(&conn->errorMessage,

‎src/interfaces/libpq/fe-secure.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -233,7 +233,7 @@ pqsecure_raw_read(PGconn *conn, void *ptr, size_t len)
233233
{
234234
ssize_tn;
235235
intresult_errno=0;
236-
charsebuf[256];
236+
charsebuf[PG_STRERROR_R_BUFLEN];
237237

238238
n=recv(conn->sock,ptr,len,0);
239239

@@ -311,7 +311,7 @@ pqsecure_raw_write(PGconn *conn, const void *ptr, size_t len)
311311
ssize_tn;
312312
intflags=0;
313313
intresult_errno=0;
314-
charsebuf[256];
314+
charsebuf[PG_STRERROR_R_BUFLEN];
315315

316316
DECLARE_SIGPIPE_INFO(spinfo);
317317

‎src/interfaces/libpq/libpq-int.h

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -773,7 +773,7 @@ extern char *libpq_ngettext(const char *msgid, const char *msgid_plural, unsigne
773773
#defineSOCK_ERRNO_SET(e) WSASetLastError(e)
774774
#else
775775
#defineSOCK_ERRNO errno
776-
#defineSOCK_STRERRORpqStrerror
776+
#defineSOCK_STRERRORstrerror_r
777777
#defineSOCK_ERRNO_SET(e) (errno = (e))
778778
#endif
779779

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