84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/* voronoi.c
|
|
*
|
|
* Created by Rory Healy (healyr@student.unimelb.edu.au)
|
|
* 12th August 2021
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include "voronoi.h"
|
|
|
|
#define OPEN_FILE_ERROR "Error: Unable to open file %s\n"
|
|
#define NUM_FILE_ERROR "Error: Incorrect number of inputs (3 required).\n"
|
|
#define MALLOC_ERROR "Error: Cannot allocate memory.\n"
|
|
|
|
int main(int argc, char **argv) {
|
|
FILE *dataset = NULL, *polygonData = NULL, *output = NULL;
|
|
checkInputArgs(argc, argv, &dataset, &polygonData, &output);
|
|
|
|
watchtower_t *watchtowers = (watchtower_t *) malloc(sizeof(watchtower_t));
|
|
if (watchtowers == NULL) {
|
|
fputs(MALLOC_ERROR, stderr);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
readWatchtowers(watchtowers, dataset);
|
|
|
|
// Cleaning up data
|
|
free(watchtowers);
|
|
fclose(dataset);
|
|
fclose(polygonData);
|
|
fclose(output);
|
|
return 0;
|
|
}
|
|
|
|
void checkInputArgs(int argc, char **argv, FILE **datasetFile, \
|
|
FILE **polygonFile, FILE **outputFile) {
|
|
if (argc != 4) {
|
|
fputs(NUM_FILE_ERROR, stderr);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
*datasetFile = fopen(argv[1], "r");
|
|
if (*datasetFile == NULL) {
|
|
fprintf(stderr, OPEN_FILE_ERROR, argv[1]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
*polygonFile = fopen(argv[2], "r");
|
|
if (*polygonFile == NULL) {
|
|
fprintf(stderr, OPEN_FILE_ERROR, argv[2]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
*outputFile = fopen(argv[3], "w");
|
|
if (*outputFile == NULL) {
|
|
fprintf(stderr, OPEN_FILE_ERROR, argv[3]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
void readWatchtowers(watchtower_t *watchtowers, FILE* datasetFile) {
|
|
char *lineBuffer;
|
|
int lineCount = 0;
|
|
size_t lineBufferSize = 512;
|
|
size_t numberCharsRead;
|
|
|
|
lineBuffer = (char *) malloc(lineBufferSize * sizeof(char));
|
|
if (lineBuffer == NULL) {
|
|
fprintf(stderr, MALLOC_ERROR);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
numberCharsRead = getline(&lineBuffer, &lineBufferSize, datasetFile);
|
|
while (numberCharsRead > 0) {
|
|
lineCount += 1;
|
|
printf("line[%06d]: chars=%06zd, buf size=%06zu, contents: %s",\
|
|
lineCount, numberCharsRead, lineBufferSize, lineBuffer);
|
|
numberCharsRead = getline(&lineBuffer, &lineBufferSize, datasetFile);
|
|
}
|
|
free(lineBuffer);
|
|
lineBuffer = NULL;
|
|
}
|