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- Don't try to deallocate data associated with a partially-parsed statement

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if they haven't yet been allocated.
This commit is contained in:
Ted Lemon
1999-07-19 15:34:33 +00:00
parent 71a344775d
commit ba6cb47aa0
1 changed files with 17 additions and 10 deletions
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11
common/execute.c
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@@ -22,7 +22,7 @@
#ifndef lint #ifndef lint
static char copyright[] = static char copyright[] =
"$Id: execute.c,v 1.14 1999/07/19 13:08:28 mellon Exp $ Copyright (c) 1998, 1999 The Internet Software Consortium. All rights reserved.\n"; "$Id: execute.c,v 1.15 1999/07/19 15:34:33 mellon Exp $ Copyright (c) 1998, 1999 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */ #endif /* not lint */
#include "dhcpd.h" #include "dhcpd.h"
@@ -263,17 +263,21 @@ int executable_statement_dereference (ptr, name)
switch ((*ptr) -> op) { switch ((*ptr) -> op) {
case statements_statement: case statements_statement:
if ((*ptr) -> data.statements)
executable_statement_dereference executable_statement_dereference
(&(*ptr) -> data.statements, name); (&(*ptr) -> data.statements, name);
break; break;
case on_statement: case on_statement:
if ((*ptr) -> data.on.statements)
executable_statement_dereference executable_statement_dereference
(&(*ptr) -> data.on.statements, name); (&(*ptr) -> data.on.statements, name);
break; break;
case if_statement: case if_statement:
if ((*ptr) -> data.ie.expr)
expression_dereference (&(*ptr) -> data.ie.expr, name); expression_dereference (&(*ptr) -> data.ie.expr, name);
if ((*ptr) -> data.ie.true)
executable_statement_dereference executable_statement_dereference
(&(*ptr) -> data.ie.true, name); (&(*ptr) -> data.ie.true, name);
if ((*ptr) -> data.ie.false) if ((*ptr) -> data.ie.false)
@@ -282,6 +286,7 @@ int executable_statement_dereference (ptr, name)
break; break;
case eval_statement: case eval_statement:
if ((*ptr) -> data.eval)
expression_dereference (&(*ptr) -> data.eval, name); expression_dereference (&(*ptr) -> data.eval, name);
break; break;
@@ -289,7 +294,9 @@ int executable_statement_dereference (ptr, name)
case default_option_statement: case default_option_statement:
case append_option_statement: case append_option_statement:
case prepend_option_statement: case prepend_option_statement:
option_cache_dereference (&(*ptr) -> data.option, name); if ((*ptr) -> data.option)
option_cache_dereference (&(*ptr) -> data.option,
name);
break; break;
default: default: