| 0,0 → 1,143 |
|---|
| /* |
| * Copyright (c) 2008 Lukas Mejdrech |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup net |
| * @{ |
| */ |
| |
| /** |
| * @file |
| */ |
| |
| #ifndef __GENERIC_FIELD_H__ |
| #define __GENERIC_FIELD_H__ |
| |
| #include <errno.h> |
| #include <malloc.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #define GENERIC_FIELD_MAGIC_VALUE 0x55667788 |
| |
| #define GENERIC_FIELD_DECLARE( name, type ) \ |
| \ |
| typedef struct name name##_t; \ |
| typedef name##_t * name##_ref; \ |
| \ |
| struct name{ \ |
| int size; \ |
| int next; \ |
| type ** items; \ |
| int magic; \ |
| }; \ |
| \ |
| int name##_add( name##_ref field, type * value ); \ |
| int name##_count( name##_ref field ); \ |
| void name##_destroy( name##_ref field ); \ |
| void name##_exclude_index( name##_ref field, int index ); \ |
| type ** name##_get_field( name##_ref field ); \ |
| type * name##_get_index( name##_ref field, int index ); \ |
| int name##_initialize( name##_ref field ); \ |
| int name##_is_valid( name##_ref field ); |
| |
| #define GENERIC_FIELD_IMPLEMENT( name, type ) \ |
| \ |
| int name##_add( name##_ref field, type * value ){ \ |
| if( name##_is_valid( field )){ \ |
| if( field->next == ( field->size - 1 )){ \ |
| type ** tmp; \ |
| \ |
| tmp = ( type ** ) malloc( sizeof( type * ) * 2 * field->size ); \ |
| if( ! tmp ) return ENOMEM; \ |
| field->size *= 2; \ |
| memcpy( tmp, field->items, sizeof( type * ) * field->next ); \ |
| free( field->items ); \ |
| field->items = tmp; \ |
| } \ |
| field->items[ field->next ] = value; \ |
| ++ field->next; \ |
| field->items[ field->next ] = NULL; \ |
| return field->next - 1; \ |
| } \ |
| return EINVAL; \ |
| } \ |
| \ |
| int name##_count( name##_ref field ){ \ |
| return name##_is_valid( field ) ? field->next : -1; \ |
| } \ |
| \ |
| void name##_destroy( name##_ref field ){ \ |
| if( name##_is_valid( field )){ \ |
| int index; \ |
| \ |
| field->magic = 0; \ |
| for( index = 0; index < field->next; ++ index ){ \ |
| free( field->items[ index ] ); \ |
| } \ |
| free( field->items ); \ |
| } \ |
| } \ |
| \ |
| void name##_exclude_index( name##_ref field, int index ){ \ |
| if( name##_is_valid( field ) && ( index >= 0 ) && ( index < field->next ) && ( field->items[ index ] )){ \ |
| free( field->items[ index ] ); \ |
| field->items[ index ] = NULL; \ |
| } \ |
| } \ |
| \ |
| type * name##_get_index( name##_ref field, int index ){ \ |
| if( name##_is_valid( field ) && ( index >= 0 ) && ( index < field->next ) && ( field->items[ index ] )){ \ |
| return field->items[ index ]; \ |
| } \ |
| return NULL; \ |
| } \ |
| \ |
| type ** name##_get_field( name##_ref field ){ \ |
| return name##_is_valid( field ) ? field->items : NULL; \ |
| } \ |
| \ |
| int name##_initialize( name##_ref field ){ \ |
| if( ! field ) return EINVAL; \ |
| field->size = 2; \ |
| field->next = 0; \ |
| field->items = ( type ** ) malloc( sizeof( type * ) * field->size ); \ |
| if( ! field->items ) return ENOMEM; \ |
| field->items[ field->next ] = NULL; \ |
| field->magic = INT_MAP_MAGIC_VALUE; \ |
| return EOK; \ |
| } \ |
| \ |
| int name##_is_valid( name##_ref field ){ \ |
| return field && ( field->magic == INT_MAP_MAGIC_VALUE ); \ |
| } |
| |
| #endif |
| |
| /** @} |
| */ |
| |
| Property changes: |
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| Added: svn:eol-style |
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| +native |
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| \ No newline at end of property |
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| Added: svn:mergeinfo |
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