diff options
Diffstat (limited to 'inotail.c')
| -rw-r--r-- | inotail.c | 23 |
1 files changed, 14 insertions, 9 deletions
@@ -48,6 +48,7 @@ /* Print header with filename before tailing the file? */ static char verbose = 0; +/* Command line options */ static const struct option long_opts[] = { {"bytes", required_argument, NULL, 'c'}, {"follow", optional_argument, NULL, 'f'}, @@ -159,7 +160,8 @@ static int tail_pipe(struct file_struct *f) static int tail_file(struct file_struct *f, int n_lines, char mode) { - ssize_t rc = 0; + int ret = -1; + ssize_t bytes_read = 0; off_t offset = 0; char buf[BUFFER_SIZE]; struct stat finfo; @@ -176,13 +178,12 @@ static int tail_file(struct file_struct *f, int n_lines, char mode) if (fstat(f->fd, &finfo) < 0) { fprintf(stderr, "Error: Could not stat file '%s' (%s)\n", f->name, strerror(errno)); - close(f->fd); - return -1; + goto out; } if (!IS_TAILABLE(finfo.st_mode)) { fprintf(stderr, "Error: '%s' of unsupported file type\n", f->name); - return -1; + goto out; } /* We cannot seek on these */ @@ -198,20 +199,24 @@ static int tail_file(struct file_struct *f, int n_lines, char mode) /* We only get negative offsets on errors */ if (offset < 0) - return -1; + goto out; if (verbose) write_header(f->name); lseek(f->fd, offset, SEEK_SET); - while ((rc = read(f->fd, &buf, BUFFER_SIZE)) > 0) - write(STDOUT_FILENO, buf, (size_t) rc); + while ((bytes_read = read(f->fd, &buf, BUFFER_SIZE)) > 0) + write(STDOUT_FILENO, buf, (size_t) bytes_read); - if (close(f->fd) < 0) + ret = 0; +out: + if (close(f->fd) < 0) { fprintf(stderr, "Error: Could not close file '%s' (%s)\n", f->name, strerror(errno)); + ret = -1; + } - return 0; + return ret; } static int handle_inotify_event(struct inotify_event *inev, struct file_struct *fil, int n_ignored) |