diff options
| -rw-r--r-- | inotail.c | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -103,13 +103,13 @@ static off_t lines_to_offset(int fd, int file_size, unsigned int n_lines) static int tail_file(struct file_struct *f, int n_lines) { - int fd, rc; + int fd; + ssize_t rc = 0; off_t offset = 0; char buf[BUFFER_SIZE]; struct stat finfo; fd = open(f->name, O_RDONLY); - if (fd < 0) { perror("open()"); return -1; @@ -129,8 +129,10 @@ static int tail_file(struct file_struct *f, int n_lines) lseek(fd, offset, SEEK_SET); - while (read(fd, &buf, BUFFER_SIZE) != 0) { - rc = write(STDOUT_FILENO, buf, f->st_size - offset); + while ((rc = read(fd, &buf, BUFFER_SIZE)) != 0) { + dprintf(" f->st_size - offset: %lu\n", f->st_size - offset); + dprintf(" rc: %d\n", rc); + write(STDOUT_FILENO, buf, (size_t) rc); } close(fd); |