1 /******************************************************************************
3 * Copyright (C) 2000 Pierangelo Masarati, <ando@sys-net.it>
6 * Permission is granted to anyone to use this software for any purpose
7 * on any computer system, and to alter it and redistribute it, subject
8 * to the following restrictions:
10 * 1. The author is not responsible for the consequences of use of this
11 * software, no matter how awful, even if they arise from flaws in it.
13 * 2. The origin of this software must not be misrepresented, either by
14 * explicit claim or by omission. Since few users ever read sources,
15 * credits should appear in the documentation.
17 * 3. Altered versions must be plainly marked as such, and must not be
18 * misrepresented as being the original software. Since few users
19 * ever read sources, credits should appear in the documentation.
21 * 4. This notice may not be removed or altered.
23 ******************************************************************************/
27 #include "rewrite-int.h"
38 const struct rewrite_var *v1, *v2;
40 v1 = ( const struct rewrite_var * )c1;
41 v2 = ( const struct rewrite_var * )c2;
45 assert( v1->lv_name != NULL );
46 assert( v2->lv_name != NULL );
48 return strcasecmp( v1->lv_name, v2->lv_name );
60 struct rewrite_var *v1, *v2;
62 v1 = ( struct rewrite_var * )c1;
63 v2 = ( struct rewrite_var * )c2;
67 assert( v1->lv_name != NULL );
68 assert( v2->lv_name != NULL );
70 return ( strcasecmp( v1->lv_name, v2->lv_name ) == 0 ? -1 : 0 );
82 struct rewrite_var var;
84 assert( name != NULL );
86 var.lv_name = ( char * )name;
87 return ( struct rewrite_var * )avl_find( tree,
88 ( caddr_t )&var, rewrite_var_cmp );
92 * Inserts a newly created var
101 struct rewrite_var *var;
104 assert( tree != NULL );
105 assert( name != NULL );
106 assert( value != NULL );
108 var = calloc( sizeof( struct rewrite_var ), 1 );
112 var->lv_name = ( char * )strdup( name );
113 if ( var->lv_name == NULL ) {
117 var->lv_value.bv_val = strdup( value );
118 if ( var->lv_value.bv_val == NULL ) {
120 free( var->lv_name );
123 var->lv_value.bv_len = strlen( value );
124 rc = avl_insert( tree, ( caddr_t )var,
125 rewrite_var_cmp, rewrite_var_dup );
128 free( var->lv_name );
129 free( var->lv_value.bv_val );
147 struct rewrite_var *var;
149 assert( tree != NULL );
150 assert( name != NULL );
151 assert( value != NULL );
153 var = rewrite_var_find( *tree, name );
156 return rewrite_var_insert( tree, name, value );
161 assert( var->lv_value.bv_val != NULL );
163 free( var->lv_value.bv_val );
164 var->lv_value.bv_val = ( char * )value;
165 var->lv_value.bv_len = strlen( value );
176 struct rewrite_var *var
179 assert( var != NULL );
181 assert( var->lv_name != NULL );
182 assert( var->lv_value.bv_val != NULL );
184 free( var->lv_name );
185 free( var->lv_value.bv_val );
196 avl_free( tree, ( AVL_FREE )rewrite_var_free );
197 return REWRITE_SUCCESS;