1 /* 2 * Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it would be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write the Free Software Foundation, 16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17 * 18 * Author: Stanislav Kholmanskikh <stanislav.kholmanskikh (at) oracle.com> 19 * 20 */ 21 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <fcntl.h> 25 #include <sys/types.h> 26 #include <sys/stat.h> 27 #include <unistd.h> 28 29 #include "test.h" 30 31 int tst_fill_file(const char *path, char pattern, size_t bs, size_t bcount) 32 { 33 int fd; 34 size_t counter; 35 char *buf; 36 37 fd = open(path, O_CREAT|O_WRONLY|O_TRUNC, S_IRUSR|S_IWUSR); 38 if (fd < 0) 39 return -1; 40 41 /* Filling a memory buffer with provided pattern */ 42 buf = malloc(bs); 43 if (buf == NULL) { 44 close(fd); 45 46 return -1; 47 } 48 49 for (counter = 0; counter < bs; counter++) 50 buf[counter] = pattern; 51 52 /* Filling the file */ 53 for (counter = 0; counter < bcount; counter++) { 54 if (write(fd, buf, bs) != (ssize_t)bs) { 55 free(buf); 56 close(fd); 57 unlink(path); 58 59 return -1; 60 } 61 } 62 63 free(buf); 64 65 if (close(fd) < 0) { 66 unlink(path); 67 68 return -1; 69 } 70 71 return 0; 72 } 73
