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(trunk libT) minor benc cleanups

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This commit is contained in:
Charles Kerr 2009-04-16 21:01:00 +00:00
parent 54e2e8ca2f
commit 8387e3abcc
1 changed files with 38 additions and 48 deletions
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86
libtransmission/bencode.c
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@ -964,9 +964,9 @@ struct WalkFuncs
* attack via maliciously-crafted bencoded data. (#667)
*/
static void
bencWalk( const tr_benc * top,
struct WalkFuncs * walkFuncs,
void * user_data )
bencWalk( const tr_benc * top,
const struct WalkFuncs * walkFuncs,
void * user_data )
{
tr_ptrArray stack = TR_PTR_ARRAY_INIT;
@ -1044,8 +1044,7 @@ bencWalk( const tr_benc * top,
****/
static void
saveIntFunc( const tr_benc * val,
void * evbuf )
saveIntFunc( const tr_benc * val, void * evbuf )
{
evbuffer_add_printf( evbuf, "i%" PRId64 "e", val->val.i );
}
@ -1079,52 +1078,46 @@ saveRealFunc( const tr_benc * val, void * evbuf )
}
static void
saveStringFunc( const tr_benc * val,
void * vevbuf )
saveStringFunc( const tr_benc * val, void * evbuf )
{
struct evbuffer * evbuf = vevbuf;
evbuffer_add_printf( evbuf, "%lu:", (unsigned long)val->val.s.i );
evbuffer_add( evbuf, val->val.s.s, val->val.s.i );
}
static void
saveDictBeginFunc( const tr_benc * val UNUSED,
void * evbuf )
saveDictBeginFunc( const tr_benc * val UNUSED, void * evbuf )
{
evbuffer_add( evbuf, "d", 1 );
}
static void
saveListBeginFunc( const tr_benc * val UNUSED,
void * evbuf )
saveListBeginFunc( const tr_benc * val UNUSED, void * evbuf )
{
evbuffer_add( evbuf, "l", 1 );
}
static void
saveContainerEndFunc( const tr_benc * val UNUSED,
void * evbuf )
saveContainerEndFunc( const tr_benc * val UNUSED, void * evbuf )
{
evbuffer_add( evbuf, "e", 1 );
}
static const struct WalkFuncs saveFuncs = { saveIntFunc,
saveBoolFunc,
saveRealFunc,
saveStringFunc,
saveDictBeginFunc,
saveListBeginFunc,
saveContainerEndFunc };
char*
tr_bencSave( const tr_benc * top,
int * len )
{
char * ret;
struct WalkFuncs walkFuncs;
char * ret;
struct evbuffer * out = tr_getBuffer( );
walkFuncs.intFunc = saveIntFunc;
walkFuncs.boolFunc = saveBoolFunc;
walkFuncs.realFunc = saveRealFunc;
walkFuncs.stringFunc = saveStringFunc;
walkFuncs.dictBeginFunc = saveDictBeginFunc;
walkFuncs.listBeginFunc = saveListBeginFunc;
walkFuncs.containerEndFunc = saveContainerEndFunc;
bencWalk( top, &walkFuncs, out );
bencWalk( top, &saveFuncs, out );
if( len )
*len = EVBUFFER_LENGTH( out );
@ -1157,23 +1150,21 @@ freeContainerBeginFunc( const tr_benc * val,
tr_ptrArrayAppend( freeme, val->val.l.vals );
}
static const struct WalkFuncs freeWalkFuncs = { freeDummyFunc,
freeDummyFunc,
freeDummyFunc,
freeStringFunc,
freeContainerBeginFunc,
freeContainerBeginFunc,
freeDummyFunc };
void
tr_bencFree( tr_benc * val )
{
if( val && val->type )
if( isSomething( val ) )
{
tr_ptrArray a = TR_PTR_ARRAY_INIT;
struct WalkFuncs walkFuncs;
walkFuncs.intFunc = freeDummyFunc;
walkFuncs.boolFunc = freeDummyFunc;
walkFuncs.realFunc = freeDummyFunc;
walkFuncs.stringFunc = freeStringFunc;
walkFuncs.dictBeginFunc = freeContainerBeginFunc;
walkFuncs.listBeginFunc = freeContainerBeginFunc;
walkFuncs.containerEndFunc = freeDummyFunc;
bencWalk( val, &walkFuncs, &a );
bencWalk( val, &freeWalkFuncs, &a );
tr_ptrArrayDestruct( &a, tr_free );
}
}
@ -1399,26 +1390,25 @@ jsonContainerEndFunc( const tr_benc * val,
jsonChildFunc( data );
}
static const struct WalkFuncs jsonWalkFuncs = { jsonIntFunc,
jsonBoolFunc,
jsonRealFunc,
jsonStringFunc,
jsonDictBeginFunc,
jsonListBeginFunc,
jsonContainerEndFunc };
char*
tr_bencSaveAsJSON( const tr_benc * top, struct evbuffer * out )
{
struct WalkFuncs walkFuncs;
struct jsonWalk data;
struct jsonWalk data;
evbuffer_drain( out, EVBUFFER_LENGTH( out ) );
data.out = out;
data.parents = NULL;
walkFuncs.intFunc = jsonIntFunc;
walkFuncs.boolFunc = jsonBoolFunc;
walkFuncs.realFunc = jsonRealFunc;
walkFuncs.stringFunc = jsonStringFunc;
walkFuncs.dictBeginFunc = jsonDictBeginFunc;
walkFuncs.listBeginFunc = jsonListBeginFunc;
walkFuncs.containerEndFunc = jsonContainerEndFunc;
bencWalk( top, &walkFuncs, &data );
bencWalk( top, &jsonWalkFuncs, &data );
if( EVBUFFER_LENGTH( out ) )
evbuffer_add_printf( out, "\n" );