Fixed error handling in Informix compat str to date conversion.

Author: Michael Meskes

src/interfaces/ecpg/ChangeLog

@@ -1675,6 +1675,10 @@ Mon Oct  6 08:41:45 CEST 2003
 	- Fixed constant listing in execute using clause.
 	- Fixed typo in ecpg for Informix dec_t type.
 	- Fixed precision handling in Informix compat funxtions.
+	
+Tue Oct  7 07:45:09 CEST 2003
+
+	- Fixed error handling in rstrdate.
 	- Set ecpg version to 3.0.0
 	- Set ecpg library to 4.0.0
 	- Set pgtypes library to 1.0.0

src/interfaces/ecpg/compatlib/informix.c

@@ -436,7 +436,7 @@ rstrdate(char *str, date * d)
 {
 	date		dat = PGTYPESdate_from_asc(str, NULL);
 
-	if (errno != PGTYPES_DATE_BAD_DATE && dat == 0)
+	if (errno && errno != PGTYPES_DATE_BAD_DATE)
 		return ECPG_INFORMIX_BAD_DATE;
 
 	*d = dat;

src/interfaces/ecpg/pgtypeslib/datetime.c

@@ -53,14 +53,14 @@ PGTYPESdate_from_asc(char *str, char **endptr)
 	if (strlen(str) >= sizeof(lowstr))
 	{
 		errno = PGTYPES_DATE_BAD_DATE;
-		return 0;
+		return INT_MIN;
 	}
 
 	if ((ParseDateTime(str, lowstr, field, ftype, MAXDATEFIELDS, &nf, ptr) != 0)
 		|| (DecodeDateTime(field, ftype, nf, &dtype, tm, &fsec, &tzp, EuroDates) != 0))
 	{
 		errno = PGTYPES_DATE_BAD_DATE;
-		return 0;
+		return INT_MIN;
 	}
 
 	switch (dtype)
@@ -74,7 +74,7 @@ PGTYPESdate_from_asc(char *str, char **endptr)
 
 		default:
 			errno = PGTYPES_DATE_BAD_DATE;
-			return -1;
+			return INT_MIN;
 	}
 
 	dDate = (date2j(tm->tm_year, tm->tm_mon, tm->tm_mday) - date2j(2000, 1, 1));