#include <inttypes.h>#include <stdio.h> #include <parserutils/parserutils.h>#include <parserutils/charset/utf8.h>#include <parserutils/input/inputstream.h> #include "utils/utils.h" #include "testutils.h" #ifdef __riscosconst char * const __dynamic_da_name = "InputStream";int __dynamic_da_max_size = 128*1024*1024;#endif int main(int argc, char **argv){	parserutils_inputstream *stream;	FILE *fp;	size_t len;#define CHUNK_SIZE (4096)	uint8_t buf[CHUNK_SIZE];	const uint8_t *c;	size_t clen; 	if (argc != 2) {		printf("Usage: %s <filename>\n", argv[0]);		return 1;	} 	assert(parserutils_inputstream_create("UTF-8", 1, NULL,			&stream) == PARSERUTILS_OK); 	fp = fopen(argv[1], "rb");	if (fp == NULL) {		printf("Failed opening %s\n", argv[1]);		return 1;	} 	fseek(fp, 0, SEEK_END);	len = ftell(fp);	fseek(fp, 0, SEEK_SET); 	while (len >= CHUNK_SIZE) {		size_t read = fread(buf, 1, CHUNK_SIZE, fp);		assert(read == CHUNK_SIZE); 		assert(parserutils_inputstream_append(stream,				buf, CHUNK_SIZE) == PARSERUTILS_OK); 		len -= CHUNK_SIZE; 		while (parserutils_inputstream_peek(stream, 0, &c, &clen) !=				PARSERUTILS_NEEDDATA) {			parserutils_inputstream_advance(stream, clen);			if (*c == 'a') {				assert(parserutils_inputstream_insert(stream,						(const uint8_t *) "hello!!!",						SLEN("hello!!!")) == PARSERUTILS_OK);			}		}	} 	if (len > 0) {		size_t read = fread(buf, 1, len, fp);		assert(read == len); 		assert(parserutils_inputstream_append(stream,				buf, len) == PARSERUTILS_OK); 		len = 0;	} 	fclose(fp); 	assert(parserutils_inputstream_insert(stream,			(const uint8_t *) "hello!!!",			SLEN("hello!!!")) == PARSERUTILS_OK); 	assert(parserutils_inputstream_append(stream, NULL, 0) ==			PARSERUTILS_OK); 	while (parserutils_inputstream_peek(stream, 0, &c, &clen) !=			PARSERUTILS_EOF) {		parserutils_inputstream_advance(stream, clen);	} 	parserutils_inputstream_destroy(stream); 	printf("PASS\n"); 	return 0;}