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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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/*
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* fuzz.c
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* ------
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* Purpose: Tiny libopenmpt user to be used by fuzzing tools
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include <memory.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#include <unistd.h>
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#include <libopenmpt/libopenmpt.h>
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#include <libopenmpt/libopenmpt_stream_callbacks_file.h>
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#define BUFFERSIZE 450 // shouldn't match OpenMPT's internal mix buffer size (512)
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#define SAMPLERATE 22050
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static int16_t buffer[BUFFERSIZE];
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int main( int argc, char * argv[] ) {
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static FILE * file = NULL;
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static openmpt_module * mod = NULL;
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static size_t count = 0;
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static int i = 0;
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(void)argc;
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#ifdef __AFL_HAVE_MANUAL_CONTROL
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__AFL_INIT();
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#endif
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file = fopen( argv[1], "rb" );
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mod = openmpt_module_create( openmpt_stream_get_file_callbacks(), file, NULL, NULL, NULL );
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fclose( file );
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if ( mod == NULL ) return 1;
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openmpt_module_ctl_set( mod, "render.resampler.emulate_amiga", (openmpt_module_get_num_orders( mod ) & 1) ? "0" : "1" );
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/* render about a second of the module for fuzzing the actual mix routines */
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for(; i < 50; i++) {
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count = openmpt_module_read_mono( mod, SAMPLERATE, BUFFERSIZE, buffer );
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if ( count == 0 ) {
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break;
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}
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}
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openmpt_module_set_position_seconds( mod, 1.0 );
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openmpt_module_read_mono( mod, SAMPLERATE, BUFFERSIZE, buffer );
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openmpt_module_set_position_order_row( mod, 3, 16 );
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openmpt_module_read_mono( mod, SAMPLERATE, BUFFERSIZE, buffer );
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/* fuzz string-related stuff */
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openmpt_free_string ( openmpt_module_get_metadata( mod, "date" ) );
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openmpt_free_string ( openmpt_module_get_metadata( mod, "message" ) );
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openmpt_module_destroy( mod );
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return 0;
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}
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