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Commit649a125

Browse files
author
Michael Meskes
committed
Added result checks for calls to gmtime().
1 parent08ffa78 commit649a125

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4 files changed

+54
-23
lines changed

4 files changed

+54
-23
lines changed

‎src/interfaces/ecpg/pgtypeslib/datetime.c

Lines changed: 8 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/datetime.c,v 1.34 2007/11/15 21:14:45 momjian Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/datetime.c,v 1.35 2009/02/04 08:51:09 meskes Exp $ */
22

33
#include"postgres_fe.h"
44

@@ -87,7 +87,11 @@ PGTYPESdate_from_asc(char *str, char **endptr)
8787
break;
8888

8989
caseDTK_EPOCH:
90-
GetEpochTime(tm);
90+
if (GetEpochTime(tm)<0)
91+
{
92+
errno=PGTYPES_DATE_BAD_DATE;
93+
returnINT_MIN;
94+
}
9195
break;
9296

9397
default:
@@ -153,7 +157,8 @@ PGTYPESdate_today(date * d)
153157
structtmts;
154158

155159
GetCurrentDateTime(&ts);
156-
*d=date2j(ts.tm_year,ts.tm_mon,ts.tm_mday)-date2j(2000,1,1);
160+
if (errno==0)
161+
*d=date2j(ts.tm_year,ts.tm_mon,ts.tm_mday)-date2j(2000,1,1);
157162
return;
158163
}
159164

‎src/interfaces/ecpg/pgtypeslib/dt.h

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt.h,v 1.40 2008/11/26 16:31:02 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt.h,v 1.41 2009/02/04 08:51:09 meskes Exp $ */
22

33
#ifndefDT_H
44
#defineDT_H
@@ -342,7 +342,7 @@ inttm2timestamp(struct tm *, fsec_t, int *, timestamp *);
342342
intDecodeUnits(intfield,char*lowtoken,int*val);
343343
boolCheckDateTokenTables(void);
344344
intEncodeDateOnly(structtm*,int,char*,bool);
345-
voidGetEpochTime(structtm*);
345+
intGetEpochTime(structtm*);
346346
intParseDateTime(char*,char*,char**,int*,int,int*,char**);
347347
intDecodeDateTime(char**,int*,int,int*,structtm*,fsec_t*,bool);
348348
voidj2date(int,int*,int*,int*);

‎src/interfaces/ecpg/pgtypeslib/dt_common.c

Lines changed: 33 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c,v 1.45 2009/02/02 15:35:28 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c,v 1.46 2009/02/04 08:51:09 meskes Exp $ */
22

33
#include"postgres_fe.h"
44

@@ -982,22 +982,27 @@ EncodeDateTime(struct tm * tm, fsec_t fsec, int *tzp, char **tzn, int style, cha
982982
return TRUE;
983983
}/* EncodeDateTime() */
984984

985-
void
985+
int
986986
GetEpochTime(structtm*tm)
987987
{
988988
structtm*t0;
989989
time_tepoch=0;
990990

991991
t0=gmtime(&epoch);
992992

993-
tm->tm_year=t0->tm_year+1900;
994-
tm->tm_mon=t0->tm_mon+1;
995-
tm->tm_mday=t0->tm_mday;
996-
tm->tm_hour=t0->tm_hour;
997-
tm->tm_min=t0->tm_min;
998-
tm->tm_sec=t0->tm_sec;
993+
if (t0)
994+
{
995+
tm->tm_year=t0->tm_year+1900;
996+
tm->tm_mon=t0->tm_mon+1;
997+
tm->tm_mday=t0->tm_mday;
998+
tm->tm_hour=t0->tm_hour;
999+
tm->tm_min=t0->tm_min;
1000+
tm->tm_sec=t0->tm_sec;
1001+
1002+
return0;
1003+
}
9991004

1000-
return;
1005+
return-1;
10011006
}/* GetEpochTime() */
10021007

10031008
staticvoid
@@ -1006,11 +1011,18 @@ abstime2tm(AbsoluteTime _time, int *tzp, struct tm * tm, char **tzn)
10061011
time_ttime= (time_t)_time;
10071012
structtm*tx;
10081013

1014+
errno=0;
10091015
if (tzp!=NULL)
10101016
tx=localtime((time_t*)&time);
10111017
else
10121018
tx=gmtime((time_t*)&time);
10131019

1020+
if (!tx)
1021+
{
1022+
errno=PGTYPES_TS_BAD_TIMESTAMP;
1023+
return;
1024+
}
1025+
10141026
tm->tm_year=tx->tm_year+1900;
10151027
tm->tm_mon=tx->tm_mon+1;
10161028
tm->tm_mday=tx->tm_mday;
@@ -2852,12 +2864,18 @@ PGTYPEStimestamp_defmt_scan(char **str, char *fmt, timestamp * d,
28522864
time_tet= (time_t)scan_val.luint_val;
28532865

28542866
tms=gmtime(&et);
2855-
*year=tms->tm_year+1900;
2856-
*month=tms->tm_mon+1;
2857-
*day=tms->tm_mday;
2858-
*hour=tms->tm_hour;
2859-
*minute=tms->tm_min;
2860-
*second=tms->tm_sec;
2867+
2868+
if (tms)
2869+
{
2870+
*year=tms->tm_year+1900;
2871+
*month=tms->tm_mon+1;
2872+
*day=tms->tm_mday;
2873+
*hour=tms->tm_hour;
2874+
*minute=tms->tm_min;
2875+
*second=tms->tm_sec;
2876+
}
2877+
else
2878+
err=1;
28612879
}
28622880
break;
28632881
case'S':

‎src/interfaces/ecpg/pgtypeslib/timestamp.c

Lines changed: 11 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
/*
2-
* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/timestamp.c,v 1.42 2008/05/17 01:28:25 adunstan Exp $
2+
* $PostgreSQL: pgsql/src/interfaces/ecpg/pgtypeslib/timestamp.c,v 1.43 2009/02/04 08:51:10 meskes Exp $
33
*/
44
#include"postgres_fe.h"
55

@@ -91,11 +91,18 @@ tm2timestamp(struct tm * tm, fsec_t fsec, int *tzp, timestamp * result)
9191
statictimestamp
9292
SetEpochTimestamp(void)
9393
{
94+
#ifdefHAVE_INT64_TIMESTAMP
95+
int64noresult=0;
96+
#else
97+
doublenoresult=0.0;
98+
#endif
9499
timestampdt;
95100
structtmtt,
96101
*tm=&tt;
97102

98-
GetEpochTime(tm);
103+
if (GetEpochTime(tm)<0)
104+
returnnoresult;
105+
99106
tm2timestamp(tm,0,NULL,&dt);
100107
returndt;
101108
}/* SetEpochTimestamp() */
@@ -372,7 +379,8 @@ PGTYPEStimestamp_current(timestamp * ts)
372379
structtmtm;
373380

374381
GetCurrentDateTime(&tm);
375-
tm2timestamp(&tm,0,NULL,ts);
382+
if (errno==0)
383+
tm2timestamp(&tm,0,NULL,ts);
376384
return;
377385
}
378386

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