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Accept additional values for TRUE: y, Y, 1.

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Leave all other input values to return FALSE.
In next version, do more checking for valid inputs for both TRUE and FALSE.
This commit is contained in:
Thomas G. Lockhart 1997-10-17 05:38:32 +00:00
parent 9c800b8e48
commit 962c8bd66d
1 changed files with 42 additions and 8 deletions
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50
src/backend/utils/adt/bool.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/bool.c,v 1.7 1997/10/09 05:06:12 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/bool.c,v 1.8 1997/10/17 05:38:32 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -24,16 +24,50 @@
/*
* boolin - converts "t" or "f" to 1 or 0
*
* Check explicitly for "true/TRUE" and allow any odd ASCII value to be "true".
* This handles "true/false", "yes/no", "1/0". - thomas 1997-10-05
* Check explicitly for "true/false" and TRUE/FALSE, 1/0, YES/NO.
* Reject other values. - thomas 1997-10-05
* For now, allow old behavior of everything FALSE if not TRUE.
* After v6.2.1 release, then enable code to reject goofy values.
* Also, start checking the entire string rather than just the first character.
* - thomas 1997-10-16
*
* In the switch statement, check the most-used possibilities first.
*/
bool
boolin(char *b)
{
if (b == NULL)
elog(WARN, "Bad input string for type bool");
return ((bool) (((*b) == 't') || ((*b) == 'T') || ((*b) & 1)));
}
switch(*b) {
case 't':
case 'T':
return (TRUE);
break;
case 'f':
case 'F':
return (FALSE);
break;
case 'y':
case 'Y':
case '1':
return (TRUE);
break;
case 'n':
case 'N':
case '0':
return (FALSE);
break;
default:
#if FALSE
elog(WARN,"Invalid input string '%s'\n", b);
#endif
break;
}
return (FALSE);
} /* boolin() */
/*
* boolout - converts 1 or 0 to "t" or "f"
@ -46,7 +80,7 @@ boolout(bool b)
*result = (b) ? 't' : 'f';
result[1] = '\0';
return (result);
}
} /* boolout() */
/*****************************************************************************
* PUBLIC ROUTINES *