566 lines
15 KiB
C
566 lines
15 KiB
C
#include <ctype.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <event2/buffer.h>
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#include "transmission.h"
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#include "bencode.h"
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#include "utils.h" /* tr_free */
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/* #define VERBOSE */
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static int test = 0;
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#ifdef VERBOSE
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#define check( A ) \
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{ \
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++test; \
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if( A ){ \
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fprintf( stderr, "PASS test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
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} else { \
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fprintf( stderr, "FAIL test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
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return test; \
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} \
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}
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#else
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#define check( A ) \
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{ \
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++test; \
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if( !( A ) ){ \
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fprintf( stderr, "FAIL test #%d (%s, %d)\n", test, __FILE__, __LINE__ ); \
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return test; \
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} \
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}
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#endif
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static int
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testInt( void )
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{
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uint8_t buf[128];
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int64_t val;
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int err;
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const uint8_t * end;
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/* good int string */
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tr_snprintf( (char*)buf, sizeof( buf ), "i64e" );
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err = tr_bencParseInt( buf, buf + 4, &end, &val );
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check( err == 0 );
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check( val == 64 );
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check( end == buf + 4 );
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/* missing 'e' */
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end = NULL;
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val = 888;
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err = tr_bencParseInt( buf, buf + 3, &end, &val );
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check( err == EILSEQ );
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check( val == 888 );
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check( end == NULL );
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/* empty buffer */
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err = tr_bencParseInt( buf, buf + 0, &end, &val );
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check( err == EILSEQ );
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check( val == 888 );
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check( end == NULL );
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/* bad number */
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tr_snprintf( (char*)buf, sizeof( buf ), "i6z4e" );
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err = tr_bencParseInt( buf, buf + 5, &end, &val );
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check( err == EILSEQ );
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check( val == 888 );
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check( end == NULL );
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/* negative number */
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tr_snprintf( (char*)buf, sizeof( buf ), "i-3e" );
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err = tr_bencParseInt( buf, buf + 4, &end, &val );
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check( err == 0 );
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check( val == -3 );
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check( end == buf + 4 );
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/* zero */
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tr_snprintf( (char*)buf, sizeof( buf ), "i0e" );
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err = tr_bencParseInt( buf, buf + 4, &end, &val );
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check( err == 0 );
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check( val == 0 );
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check( end == buf + 3 );
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/* no leading zeroes allowed */
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val = 0;
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "i04e" );
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err = tr_bencParseInt( buf, buf + 4, &end, &val );
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check( err == EILSEQ );
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check( val == 0 );
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check( end == NULL );
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return 0;
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}
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static int
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testStr( void )
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{
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uint8_t buf[128];
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int err;
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const uint8_t * end;
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const uint8_t * str;
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size_t len;
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/* good string */
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tr_snprintf( (char*)buf, sizeof( buf ), "4:boat" );
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err = tr_bencParseStr( buf, buf + 6, &end, &str, &len );
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check( err == 0 );
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check( !strncmp( (char*)str, "boat", len ) );
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check( len == 4 );
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check( end == buf + 6 );
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str = NULL;
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end = NULL;
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len = 0;
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/* string goes past end of buffer */
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err = tr_bencParseStr( buf, buf + 5, &end, &str, &len );
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check( err == EILSEQ );
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check( str == NULL );
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check( end == NULL );
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check( !len );
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/* empty string */
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tr_snprintf( (char*)buf, sizeof( buf ), "0:" );
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err = tr_bencParseStr( buf, buf + 2, &end, &str, &len );
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check( err == 0 );
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check( !*str );
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check( !len );
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check( end == buf + 2 );
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str = NULL;
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end = NULL;
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len = 0;
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/* short string */
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tr_snprintf( (char*)buf, sizeof( buf ), "3:boat" );
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err = tr_bencParseStr( buf, buf + 6, &end, &str, &len );
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check( err == 0 );
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check( !strncmp( (char*)str, "boa", len ) );
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check( len == 3 );
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check( end == buf + 5 );
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str = NULL;
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end = NULL;
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len = 0;
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return 0;
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}
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static int
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testString( const char * str,
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int isGood )
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{
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tr_benc val;
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const uint8_t * end = NULL;
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char * saved;
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const size_t len = strlen( str );
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int savedLen;
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int err = tr_bencParse( str, str + len, &val, &end );
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if( !isGood )
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{
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check( err );
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}
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else
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{
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check( !err );
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#if 0
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fprintf( stderr, "in: [%s]\n", str );
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fprintf( stderr, "out:\n%s", tr_bencToStr( &val, TR_FMT_JSON, NULL ) );
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#endif
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check( end == (const uint8_t*)str + len );
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saved = tr_bencToStr( &val, TR_FMT_BENC, &savedLen );
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check( !strcmp( saved, str ) );
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check( len == (size_t)savedLen );
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tr_free( saved );
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tr_bencFree( &val );
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}
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return 0;
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}
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static int
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testParse( void )
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{
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tr_benc val;
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tr_benc * child;
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tr_benc * child2;
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uint8_t buf[512];
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const uint8_t * end;
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int err;
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int len;
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int64_t i;
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char * saved;
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tr_snprintf( (char*)buf, sizeof( buf ), "i64e" );
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err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
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check( !err );
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check( tr_bencGetInt( &val, &i ) );
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check( i == 64 );
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check( end == buf + 4 );
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tr_bencFree( &val );
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tr_snprintf( (char*)buf, sizeof( buf ), "li64ei32ei16ee" );
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err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
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check( !err );
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check( end == buf + strlen( (char*)buf ) );
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check( val.val.l.count == 3 );
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check( tr_bencGetInt( &val.val.l.vals[0], &i ) );
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check( i == 64 );
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check( tr_bencGetInt( &val.val.l.vals[1], &i ) );
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check( i == 32 );
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check( tr_bencGetInt( &val.val.l.vals[2], &i ) );
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check( i == 16 );
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saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
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check( !strcmp( saved, (char*)buf ) );
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tr_free( saved );
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tr_bencFree( &val );
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "lllee" );
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err = tr_bencParse( buf, buf + strlen( (char*)buf ), &val, &end );
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check( err );
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check( end == NULL );
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "le" );
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err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
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check( !err );
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check( end == buf + 2 );
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saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
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check( !strcmp( saved, "le" ) );
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tr_free( saved );
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tr_bencFree( &val );
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if( ( err = testString( "llleee", true ) ) )
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return err;
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if( ( err = testString( "d3:cow3:moo4:spam4:eggse", true ) ) )
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return err;
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if( ( err = testString( "d4:spaml1:a1:bee", true ) ) )
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return err;
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if( ( err =
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testString( "d5:greenli1ei2ei3ee4:spamd1:ai123e3:keyi214eee",
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true ) ) )
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return err;
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if( ( err =
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testString(
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"d9:publisher3:bob17:publisher-webpage15:www.example.com18:publisher.location4:homee",
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true ) ) )
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return err;
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if( ( err =
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testString(
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"d8:completei1e8:intervali1800e12:min intervali1800e5:peers0:e",
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true ) ) )
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return err;
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if( ( err = testString( "d1:ai0e1:be", false ) ) ) /* odd number of children
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*/
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return err;
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if( ( err = testString( "", false ) ) )
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return err;
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if( ( err = testString( " ", false ) ) )
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return err;
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/* nested containers
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* parse an unsorted dict
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* save as a sorted dict */
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "lld1:bi32e1:ai64eeee" );
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err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
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check( !err );
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check( end == buf + strlen( (const char*)buf ) );
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check( ( child = tr_bencListChild( &val, 0 ) ) );
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check( ( child2 = tr_bencListChild( child, 0 ) ) );
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saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
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check( !strcmp( saved, "lld1:ai64e1:bi32eeee" ) );
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tr_free( saved );
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tr_bencFree( &val );
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/* too many endings */
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "leee" );
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err = tr_bencParse( buf, buf + sizeof( buf ), &val, &end );
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check( !err );
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check( end == buf + 2 );
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saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
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check( !strcmp( saved, "le" ) );
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tr_free( saved );
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tr_bencFree( &val );
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/* no ending */
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "l1:a1:b1:c" );
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err = tr_bencParse( buf, buf + strlen( (char*)buf ), &val, &end );
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check( err );
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/* incomplete string */
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end = NULL;
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tr_snprintf( (char*)buf, sizeof( buf ), "1:" );
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err = tr_bencParse( buf, buf + strlen( (char*)buf ), &val, &end );
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check( err );
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return 0;
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}
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static void
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stripWhitespace( char * in )
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{
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char * out;
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for( out = in; *in; ++in )
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if( !isspace( *in ) )
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*out++ = *in;
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*out = '\0';
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}
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static int
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testJSONSnippet( const char * benc_str,
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const char * expected )
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{
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tr_benc top;
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struct evbuffer * buf = evbuffer_new( );
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char * serialized;
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tr_bencLoad( benc_str, strlen( benc_str ), &top, NULL );
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buf = tr_bencToBuf( &top, TR_FMT_JSON );
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serialized = (char*) evbuffer_pullup( buf, -1 );
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stripWhitespace( serialized );
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#if 0
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fprintf( stderr, "benc: %s\n", benc_str );
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fprintf( stderr, "json: %s\n", serialized );
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fprintf( stderr, "want: %s\n", expected );
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#endif
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check( !strcmp( serialized, expected ) );
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tr_bencFree( &top );
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evbuffer_free( buf );
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return 0;
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}
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static int
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testJSON( void )
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{
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int val;
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const char * benc_str;
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const char * expected;
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benc_str = "i6e";
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expected = "6";
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if( ( val = testJSONSnippet( benc_str, expected ) ) )
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return val;
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benc_str = "d5:helloi1e5:worldi2ee";
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expected = "{\"hello\":1,\"world\":2}";
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if( ( val = testJSONSnippet( benc_str, expected ) ) )
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return val;
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benc_str = "d5:helloi1e5:worldi2e3:fooli1ei2ei3eee";
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expected = "{\"foo\":[1,2,3],\"hello\":1,\"world\":2}";
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if( ( val = testJSONSnippet( benc_str, expected ) ) )
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return val;
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benc_str = "d5:helloi1e5:worldi2e3:fooli1ei2ei3ed1:ai0eeee";
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expected = "{\"foo\":[1,2,3,{\"a\":0}],\"hello\":1,\"world\":2}";
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if( ( val = testJSONSnippet( benc_str, expected ) ) )
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return val;
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benc_str = "d4:argsd6:statusle7:status2lee6:result7:successe";
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expected =
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"{\"args\":{\"status\":[],\"status2\":[]},\"result\":\"success\"}";
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if( ( val = testJSONSnippet( benc_str, expected ) ) )
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return val;
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return 0;
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}
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static int
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testMerge( void )
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{
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tr_benc dest, src;
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int64_t i;
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const char * s;
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/* initial dictionary (default values) */
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tr_bencInitDict( &dest, 10 );
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tr_bencDictAddInt( &dest, "i1", 1 );
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tr_bencDictAddInt( &dest, "i2", 2 );
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tr_bencDictAddInt( &dest, "i4", -35 ); /* remains untouched */
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tr_bencDictAddStr( &dest, "s5", "abc" );
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tr_bencDictAddStr( &dest, "s6", "def" );
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tr_bencDictAddStr( &dest, "s7", "127.0.0.1" ); /* remains untouched */
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/* new dictionary, will overwrite items in dest */
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tr_bencInitDict( &src, 10 );
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tr_bencDictAddInt( &src, "i1", 1 ); /* same value */
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tr_bencDictAddInt( &src, "i2", 4 ); /* new value */
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tr_bencDictAddInt( &src, "i3", 3 ); /* new key:value */
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tr_bencDictAddStr( &src, "s5", "abc" ); /* same value */
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tr_bencDictAddStr( &src, "s6", "xyz" ); /* new value */
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tr_bencDictAddStr( &src, "s8", "ghi" ); /* new key:value */
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tr_bencMergeDicts( &dest, /*const*/ &src );
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check( tr_bencDictFindInt( &dest, "i1", &i ));
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check( i == 1);
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check( tr_bencDictFindInt( &dest, "i2", &i ));
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check( i == 4);
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check( tr_bencDictFindInt( &dest, "i3", &i ));
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check( i == 3);
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check( tr_bencDictFindInt( &dest, "i4", &i ));
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check( i == -35);
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check( tr_bencDictFindStr( &dest, "s5", &s ));
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check( strcmp( "abc", s ) == 0 );
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check( tr_bencDictFindStr( &dest, "s6", &s ));
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check( strcmp( "xyz", s ) == 0 );
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check( tr_bencDictFindStr( &dest, "s7", &s ));
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check( strcmp( "127.0.0.1", s ) == 0 );
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check( tr_bencDictFindStr( &dest, "s8", &s ));
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check( strcmp( "ghi", s ) == 0 );
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tr_bencFree( &dest );
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tr_bencFree( &src );
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return 0;
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}
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static int
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testStackSmash( int depth )
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{
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int i;
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int len;
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int err;
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uint8_t * in;
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const uint8_t * end;
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tr_benc val;
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char * saved;
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in = tr_new( uint8_t, depth * 2 + 1 );
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for( i = 0; i < depth; ++i )
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{
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in[i] = 'l';
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in[depth + i] = 'e';
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}
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in[depth * 2] = '\0';
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err = tr_bencParse( in, in + ( depth * 2 ), &val, &end );
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check( !err );
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check( end == in + ( depth * 2 ) );
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saved = tr_bencToStr( &val, TR_FMT_BENC, &len );
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check( !strcmp( saved, (char*)in ) );
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tr_free( in );
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tr_free( saved );
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tr_bencFree( &val );
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return 0;
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}
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static int
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testBool( void )
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{
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tr_benc top;
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int64_t intVal;
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bool boolVal;
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tr_bencInitDict( &top, 0 );
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tr_bencDictAddBool( &top, "key1", false );
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tr_bencDictAddBool( &top, "key2", 0 );
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tr_bencDictAddInt ( &top, "key3", true );
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tr_bencDictAddInt ( &top, "key4", 1 );
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check( tr_bencDictFindBool( &top, "key1", &boolVal ) )
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check( !boolVal )
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check( tr_bencDictFindBool( &top, "key2", &boolVal ) )
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check( !boolVal )
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check( tr_bencDictFindBool( &top, "key3", &boolVal ) )
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check( boolVal )
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check( tr_bencDictFindBool( &top, "key4", &boolVal ) )
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check( boolVal )
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check( tr_bencDictFindInt( &top, "key1", &intVal ) )
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check( !intVal)
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check( tr_bencDictFindInt( &top, "key2", &intVal ) )
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check( !intVal )
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check( tr_bencDictFindInt( &top, "key3", &intVal ) )
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check( intVal )
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check( tr_bencDictFindInt( &top, "key4", &intVal ) )
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check( intVal )
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tr_bencFree( &top );
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return 0;
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}
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static int
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testParse2( void )
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{
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|
tr_benc top;
|
|
tr_benc top2;
|
|
int64_t intVal;
|
|
const char * strVal;
|
|
double realVal;
|
|
bool boolVal;
|
|
int len;
|
|
char * benc;
|
|
const uint8_t * end;
|
|
|
|
tr_bencInitDict( &top, 0 );
|
|
tr_bencDictAddBool( &top, "this-is-a-bool", true );
|
|
tr_bencDictAddInt( &top, "this-is-an-int", 1234 );
|
|
tr_bencDictAddReal( &top, "this-is-a-real", 0.5 );
|
|
tr_bencDictAddStr( &top, "this-is-a-string", "this-is-a-string" );
|
|
|
|
benc = tr_bencToStr( &top, TR_FMT_BENC, &len );
|
|
check( !strcmp( benc, "d14:this-is-a-booli1e14:this-is-a-real8:0.50000016:this-is-a-string16:this-is-a-string14:this-is-an-inti1234ee" ) )
|
|
check( !tr_bencParse( benc, benc+len, &top2, &end ) )
|
|
check( (char*)end == benc + len )
|
|
check( tr_bencIsDict( &top2 ) )
|
|
check( tr_bencDictFindInt( &top, "this-is-an-int", &intVal ) )
|
|
check( intVal == 1234 )
|
|
check( tr_bencDictFindBool( &top, "this-is-a-bool", &boolVal ) )
|
|
check( boolVal == true )
|
|
check( tr_bencDictFindStr( &top, "this-is-a-string", &strVal ) )
|
|
check( !strcmp( strVal, "this-is-a-string" ) )
|
|
check( tr_bencDictFindReal( &top, "this-is-a-real", &realVal ) )
|
|
check( (int)(realVal*100) == 50 )
|
|
|
|
tr_bencFree( &top2 );
|
|
tr_free( benc );
|
|
tr_bencFree( &top );
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main( void )
|
|
{
|
|
int i;
|
|
|
|
if(( i = testInt( )))
|
|
return i;
|
|
|
|
if(( i = testStr( )))
|
|
return i;
|
|
|
|
if(( i = testParse( )))
|
|
return i;
|
|
|
|
if(( i = testJSON( )))
|
|
return i;
|
|
|
|
if(( i = testMerge( )))
|
|
return i;
|
|
|
|
if(( i = testBool( )))
|
|
return i;
|
|
|
|
if(( i = testParse2( )))
|
|
return i;
|
|
|
|
#ifndef WIN32
|
|
i = testStackSmash( 1000000 );
|
|
#else
|
|
i = testStackSmash( 100000 );
|
|
#endif
|
|
if( i )
|
|
return i;
|
|
|
|
return 0;
|
|
}
|
|
|