/* Write on the disk. * Each time the buffer is filled with same character. * Different character every time! */ #include #include #include #include "pfs.h" char buffer[BIG]; int main(int argc, char* argv[]) { int i,j; char c; int id; int write_count; char start; char end; if (argc != 3 || strlen(argv[1]) != 1 || strlen(argv[2]) != 1) exit(1); start = argv[1][0]; end = argv[2][0]; for (i = 0; i < TIMES / (end - start + 1) + 1; ++i) { for (c = start; c <= end; ++c) { for (j = 0; j < BIG; j++) buffer[j] = c; id = open("file.1"); write_count = write(id, buffer, BIG); if ( write_count != BIG ) { printf("TEST ERROR: write() wrote only %d bytes out of %d bytes\n", write_count, BIG); } close(id); } } exit(0); }