26 lines
486 B
C
26 lines
486 B
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
int main(int argc, char** argv) {
|
|
if (argc != 3) {
|
|
fprintf(stderr, "Syntax: %s <filename> <size>\n", argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
char* filename = argv[1];
|
|
long file_size = atoi(argv[2]);
|
|
|
|
FILE* fd = fopen(filename, "w");
|
|
if (!fd) {
|
|
fprintf(stderr, "Unable to open the file %s for writing.\n", filename);
|
|
exit(1);
|
|
}
|
|
|
|
for(size_t i = 0; i < file_size; i++) {
|
|
char byte = i % 255;
|
|
fwrite(&byte, 1, 1, fd);
|
|
}
|
|
|
|
fclose(fd);
|
|
return 0;
|
|
}
|