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Have boolean pset values checked against typical boolean values, rather

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than only 'off'.
This commit is contained in:
Bruce Momjian 2008-05-07 02:33:52 +00:00
parent 053948aee7
commit 0f5651a90f
1 changed files with 37 additions and 10 deletions
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49
src/bin/psql/variables.c
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@ -3,7 +3,7 @@
* *
* Copyright (c) 2000-2008, PostgreSQL Global Development Group * Copyright (c) 2000-2008, PostgreSQL Global Development Group
* *
* $PostgreSQL: pgsql/src/bin/psql/variables.c,v 1.28 2008/01/01 19:45:56 momjian Exp $ * $PostgreSQL: pgsql/src/bin/psql/variables.c,v 1.29 2008/05/07 02:33:52 momjian Exp $
*/ */
#include "postgres_fe.h" #include "postgres_fe.h"
#include "common.h" #include "common.h"
@ -48,20 +48,47 @@ GetVariable(VariableSpace space, const char *name)
return NULL; return NULL;
} }
bool
ParseVariableBool(const char *val)
{
if (val == NULL)
return false; /* not set -> assume "off" */
if (pg_strcasecmp(val, "off") == 0)
return false; /* accept "off" or "OFF" as true */
/* /*
* for backwards compatibility, anything except "off" or "OFF" is taken as * Try to interpret value as boolean value. Valid values are: true,
* "true" * false, yes, no, on, off, 1, 0; as well as unique prefixes thereof.
*/ */
bool
ParseVariableBool(const char *value)
{
size_t len;
if (value == NULL)
return false; /* not set -> assume "off" */
len = strlen(value);
if (pg_strncasecmp(value, "true", len) == 0)
return true;
else if (pg_strncasecmp(value, "false", len) == 0)
return false;
else if (pg_strncasecmp(value, "yes", len) == 0)
return true;
else if (pg_strncasecmp(value, "no", len) == 0)
return false;
/* 'o' is not unique enough */
else if (pg_strncasecmp(value, "on", (len > 2 ? len : 2)) == 0)
return true;
else if (pg_strncasecmp(value, "off", (len > 2 ? len : 2)) == 0)
return false;
else if (pg_strcasecmp(value, "1") == 0)
return true;
else if (pg_strcasecmp(value, "0") == 0)
return false;
else
{
/* NULL is treated as false, so a non-matching value is 'true' */
psql_error("unrecognized boolean value; assuming \"on\".\n");
return true; return true;
} }
/* suppress compiler warning */
return true;
}
/* /*
* Read numeric variable, or defaultval if it is not set, or faultval if its * Read numeric variable, or defaultval if it is not set, or faultval if its