...
| Code Block |
|---|
int write_data(char *data, size_t data_size) {
FILE * fptr;
size_t written;
fptr = fopen("DataFile.txt", "a");
if (fptr == NULL) {
/* Handle fopen() error */
}
written = fwrite(data, sizeof(char), data_size, fptr);
if (written < data_size) {
return -1;
}
fclose(fptr);
return 0;
}
|
...
To correct this example, the code is modified to ensure the file DataFile.txt is always closed.
| Code Block |
|---|
int write_data(char *data, size_t data_size) {
FILE * fptr;
size_t written;
int result = 0;
fptr = fopen("DataFile.txt", "a");
if (fptr == NULL) {
/* Handle fopen() error */
}
written = fwrite(data, sizeof(char), data_size, fptr);
if (written < data_size) {
result = -1;
}
fclose(fptr);
return result;
}
|
...