Flute acoustics: measurement, modelling and design - School of ...

280 APPENDIX B. PROGRAM LISTINGS
/*
ParseImpedance.c
By Andrew Botros, 2001-2004
Modified by Paul Dickens, 2005, 2006
Listing B.19: ParseImpedance.c
ParseImpedance.c reads an acoustic impedance spectra file and
returns a Vector of Vectors of Points. Refer to ParseImpedance.h for
interface details.
*/
#include
#include
#include
#include "Vector.h"
#include "Point.h"
#include "ParseImpedance.h"
int parseImpedanceFile(Vector filev, char* filename) {
FILE* fp;
char* line = (char*)malloc(BUFSIZ*sizeof(char));
char* delimiters = " \t";
char* token;
int* midi;
double x;
Point p;
Vector seriesVector;
int series;
/* open data file and indicate any error */
if((fp = fopen(filename, "r")) == NULL) {
fprintf(stderr, "Cannot open file %s\n", filename);
return 0;
}
/* parse midi line and add midi numbers to Vector */
fgets(line, BUFSIZ, fp);
token = strtok(line, delimiters);
while((token != NULL) && (token != "\n")) {
seriesVector = createVector();
midi = (int*)malloc(sizeof(char));
*midi = atoi(token);
addElement(seriesVector, midi);
addElement(filev, seriesVector);
token = strtok(NULL, delimiters);
}
/* parse each line and add points to Vector */
while(fgets(line, BUFSIZ, fp) != NULL) {
/* Parse x value */
token = strtok(line, delimiters);
if(token != NULL)
x = atof(token);
else {
fprintf(stderr, "File %s is invalid\n", filename);
return 0;