int main(int argc, char **argv) {
double *data;
int i;
int asciitime, bintime;
data = (double *)malloc(FILESIZE * sizeof(double));
assert(data);
for (i=0;i<FILESIZE;i++) {
data[i] = i*(double)i/2.;
}
asciitime = write_file_ascii("data.txt",data,FILESIZE);
bintime = write_file_bin("data.dat",data,FILESIZE);
printf("Time to write files: ASCII: %d, Binary: %d\n",asciitime, bintime);
return 0;
}
int main(int argc, char *argv[])
{
if (argc < 2) {
printf("./a.out stufile stufile_bin\n"
"or ./a.out stufile_bin\n");
exit(-1);
}
int n;
if (strcmp(argv[1], "stufile") == 0) {
FILE *fp = fopen(argv[1], "r");
if (fp == NULL) {
perror(argv[1]);
exit(-1);
}
FILE *fp_bin = fopen(argv[2], "w");
if (fp_bin == NULL) {
perror(argv[2]);
exit(-1);
}
n = cnt_stu(fp);
#ifdef DEBUG
printf("n = %d\n", n);
#endif
struct STU a[n];
rewind(fp);
read_file(fp, a, n);
sort_stu(a, n);
show_stu(a, n);
write_file_bin(fp_bin, a, n);
fclose(fp);
fclose(fp_bin);
}
else if (strcmp(argv[1], "stufile_bin") == 0) {
FILE *fp = fopen(argv[1], "r");
int n = read_file_bin_head(fp);
struct STU a[n];
read_file_bin(fp, a, n);
show_stu(a, n);
fclose(fp);
}
return 0;
}
