X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=lxdialog%2Ftextbox.c;h=667ba9e5eef4ea2b345d31de259a8e4a2cfe499f;hb=6ee1e193fd896ab9a4729fde14f009d9ce629815;hp=ecf55410e2d63ce39622a09f83224fd08fed2a81;hpb=3305b049e7f587b23359a1c9047fb5763d19c1dc;p=vlc diff --git a/lxdialog/textbox.c b/lxdialog/textbox.c index ecf55410e2..667ba9e5ee 100644 --- a/lxdialog/textbox.c +++ b/lxdialog/textbox.c @@ -42,41 +42,41 @@ dialog_textbox (const char *title, const char *file, int height, int width) char search_term[MAX_LEN + 1]; WINDOW *dialog, *text; - search_term[0] = '\0'; /* no search term entered yet */ + search_term[0] = '\0'; /* no search term entered yet */ /* Open input file for reading */ if ((fd = open (file, O_RDONLY)) == -1) { - endwin (); - fprintf (stderr, - "\nCan't open input file in dialog_textbox().\n"); - exit (-1); + endwin (); + fprintf (stderr, + "\nCan't open input file in dialog_textbox().\n"); + exit (-1); } /* Get file size. Actually, 'file_size' is the real file size - 1, since it's only the last byte offset from the beginning */ if ((file_size = lseek (fd, 0, SEEK_END)) == -1) { - endwin (); - fprintf (stderr, "\nError getting file size in dialog_textbox().\n"); - exit (-1); + endwin (); + fprintf (stderr, "\nError getting file size in dialog_textbox().\n"); + exit (-1); } /* Restore file pointer to beginning of file after getting file size */ if (lseek (fd, 0, SEEK_SET) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer in dialog_textbox().\n"); - exit (-1); + endwin (); + fprintf (stderr, "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); } /* Allocate space for read buffer */ if ((buf = malloc (BUF_SIZE + 1)) == NULL) { - endwin (); - fprintf (stderr, "\nCan't allocate memory in dialog_textbox().\n"); - exit (-1); + endwin (); + fprintf (stderr, "\nCan't allocate memory in dialog_textbox().\n"); + exit (-1); } if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { - endwin (); - fprintf (stderr, "\nError reading file in dialog_textbox().\n"); - exit (-1); + endwin (); + fprintf (stderr, "\nError reading file in dialog_textbox().\n"); + exit (-1); } - buf[bytes_read] = '\0'; /* mark end of valid data */ - page = buf; /* page is pointer to start of page to be displayed */ + buf[bytes_read] = '\0'; /* mark end of valid data */ + page = buf; /* page is pointer to start of page to be displayed */ /* center dialog box on screen */ x = (COLS - width) / 2; @@ -101,223 +101,223 @@ dialog_textbox (const char *title, const char *file, int height, int width) wattrset (dialog, border_attr); mvwaddch (dialog, height-3, 0, ACS_LTEE); for (i = 0; i < width - 2; i++) - waddch (dialog, ACS_HLINE); + waddch (dialog, ACS_HLINE); wattrset (dialog, dialog_attr); wbkgdset (dialog, dialog_attr & A_COLOR); waddch (dialog, ACS_RTEE); if (title != NULL && strlen(title) >= width-2 ) { - /* truncate long title -- mec */ - char * title2 = malloc(width-2+1); - memcpy( title2, title, width-2 ); - title2[width-2] = '\0'; - title = title2; + /* truncate long title -- mec */ + char * title2 = malloc(width-2+1); + memcpy( title2, title, width-2 ); + title2[width-2] = '\0'; + title = title2; } if (title != NULL) { - wattrset (dialog, title_attr); - mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' '); - waddstr (dialog, (char *)title); - waddch (dialog, ' '); + wattrset (dialog, title_attr); + mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' '); + waddstr (dialog, (char *)title); + waddch (dialog, ' '); } print_button (dialog, " Exit ", height - 2, width / 2 - 4, TRUE); wnoutrefresh (dialog); - getyx (dialog, cur_y, cur_x); /* Save cursor position */ + getyx (dialog, cur_y, cur_x); /* Save cursor position */ /* Print first page of text */ attr_clear (text, height - 4, width - 2, dialog_attr); print_page (text, height - 4, width - 2); print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ wrefresh (dialog); while ((key != ESC) && (key != '\n')) { - key = wgetch (dialog); - switch (key) { - case 'E': /* Exit */ - case 'e': - case 'X': - case 'x': - delwin (dialog); - free (buf); - close (fd); - return 0; - case 'g': /* First page */ - case KEY_HOME: - if (!begin_reached) { - begin_reached = 1; - /* First page not in buffer? */ - if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { - endwin (); - fprintf (stderr, - "\nError moving file pointer in dialog_textbox().\n"); - exit (-1); - } - if (fpos > bytes_read) { /* Yes, we have to read it in */ - if (lseek (fd, 0, SEEK_SET) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer in " - "dialog_textbox().\n"); - exit (-1); - } - if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { - endwin (); - fprintf (stderr, - "\nError reading file in dialog_textbox().\n"); - exit (-1); - } - buf[bytes_read] = '\0'; - } - page = buf; - print_page (text, height - 4, width - 2); - print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); /* Restore cursor position */ - wrefresh (dialog); - } - break; - case 'G': /* Last page */ - case KEY_END: - - end_reached = 1; - /* Last page not in buffer? */ - if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { - endwin (); - fprintf (stderr, - "\nError moving file pointer in dialog_textbox().\n"); - exit (-1); - } - if (fpos < file_size) { /* Yes, we have to read it in */ - if (lseek (fd, -BUF_SIZE, SEEK_END) == -1) { - endwin (); - fprintf (stderr, - "\nError moving file pointer in dialog_textbox().\n"); - exit (-1); - } - if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { - endwin (); - fprintf (stderr, - "\nError reading file in dialog_textbox().\n"); - exit (-1); - } - buf[bytes_read] = '\0'; - } - page = buf + bytes_read; - back_lines (height - 4); - print_page (text, height - 4, width - 2); - print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); /* Restore cursor position */ - wrefresh (dialog); - break; - case 'K': /* Previous line */ - case 'k': - case KEY_UP: - if (!begin_reached) { - back_lines (page_length + 1); - - /* We don't call print_page() here but use scrolling to ensure - faster screen update. However, 'end_reached' and - 'page_length' should still be updated, and 'page' should - point to start of next page. This is done by calling - get_line() in the following 'for' loop. */ - scrollok (text, TRUE); - wscrl (text, -1); /* Scroll text region down one line */ - scrollok (text, FALSE); - page_length = 0; - passed_end = 0; - for (i = 0; i < height - 4; i++) { - if (!i) { - /* print first line of page */ - print_line (text, 0, width - 2); - wnoutrefresh (text); - } else - /* Called to update 'end_reached' and 'page' */ - get_line (); - if (!passed_end) - page_length++; - if (end_reached && !passed_end) - passed_end = 1; - } - - print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); /* Restore cursor position */ - wrefresh (dialog); - } - break; - case 'B': /* Previous page */ - case 'b': - case KEY_PPAGE: - if (begin_reached) - break; - back_lines (page_length + height - 4); - print_page (text, height - 4, width - 2); - print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); - wrefresh (dialog); - break; - case 'J': /* Next line */ - case 'j': - case KEY_DOWN: - if (!end_reached) { - begin_reached = 0; - scrollok (text, TRUE); - scroll (text); /* Scroll text region up one line */ - scrollok (text, FALSE); - print_line (text, height - 5, width - 2); - wnoutrefresh (text); - print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); /* Restore cursor position */ - wrefresh (dialog); - } - break; - case KEY_NPAGE: /* Next page */ - case ' ': - if (end_reached) - break; - - begin_reached = 0; - print_page (text, height - 4, width - 2); - print_position (dialog, height, width); - wmove (dialog, cur_y, cur_x); - wrefresh (dialog); - break; - case '0': /* Beginning of line */ - case 'H': /* Scroll left */ - case 'h': - case KEY_LEFT: - if (hscroll <= 0) - break; - - if (key == '0') - hscroll = 0; - else - hscroll--; - /* Reprint current page to scroll horizontally */ - back_lines (page_length); - print_page (text, height - 4, width - 2); - wmove (dialog, cur_y, cur_x); - wrefresh (dialog); - break; - case 'L': /* Scroll right */ - case 'l': - case KEY_RIGHT: - if (hscroll >= MAX_LEN) - break; - hscroll++; - /* Reprint current page to scroll horizontally */ - back_lines (page_length); - print_page (text, height - 4, width - 2); - wmove (dialog, cur_y, cur_x); - wrefresh (dialog); - break; - case ESC: - break; - } + key = wgetch (dialog); + switch (key) { + case 'E': /* Exit */ + case 'e': + case 'X': + case 'x': + delwin (dialog); + free (buf); + close (fd); + return 0; + case 'g': /* First page */ + case KEY_HOME: + if (!begin_reached) { + begin_reached = 1; + /* First page not in buffer? */ + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + if (fpos > bytes_read) { /* Yes, we have to read it in */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "dialog_textbox().\n"); + exit (-1); + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, + "\nError reading file in dialog_textbox().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } + page = buf; + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + } + break; + case 'G': /* Last page */ + case KEY_END: + + end_reached = 1; + /* Last page not in buffer? */ + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + if (fpos < file_size) { /* Yes, we have to read it in */ + if (lseek (fd, -BUF_SIZE, SEEK_END) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, + "\nError reading file in dialog_textbox().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } + page = buf + bytes_read; + back_lines (height - 4); + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + break; + case 'K': /* Previous line */ + case 'k': + case KEY_UP: + if (!begin_reached) { + back_lines (page_length + 1); + + /* We don't call print_page() here but use scrolling to ensure + faster screen update. However, 'end_reached' and + 'page_length' should still be updated, and 'page' should + point to start of next page. This is done by calling + get_line() in the following 'for' loop. */ + scrollok (text, TRUE); + wscrl (text, -1); /* Scroll text region down one line */ + scrollok (text, FALSE); + page_length = 0; + passed_end = 0; + for (i = 0; i < height - 4; i++) { + if (!i) { + /* print first line of page */ + print_line (text, 0, width - 2); + wnoutrefresh (text); + } else + /* Called to update 'end_reached' and 'page' */ + get_line (); + if (!passed_end) + page_length++; + if (end_reached && !passed_end) + passed_end = 1; + } + + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + } + break; + case 'B': /* Previous page */ + case 'b': + case KEY_PPAGE: + if (begin_reached) + break; + back_lines (page_length + height - 4); + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + break; + case 'J': /* Next line */ + case 'j': + case KEY_DOWN: + if (!end_reached) { + begin_reached = 0; + scrollok (text, TRUE); + scroll (text); /* Scroll text region up one line */ + scrollok (text, FALSE); + print_line (text, height - 5, width - 2); + wnoutrefresh (text); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + } + break; + case KEY_NPAGE: /* Next page */ + case ' ': + if (end_reached) + break; + + begin_reached = 0; + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + break; + case '0': /* Beginning of line */ + case 'H': /* Scroll left */ + case 'h': + case KEY_LEFT: + if (hscroll <= 0) + break; + + if (key == '0') + hscroll = 0; + else + hscroll--; + /* Reprint current page to scroll horizontally */ + back_lines (page_length); + print_page (text, height - 4, width - 2); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + break; + case 'L': /* Scroll right */ + case 'l': + case KEY_RIGHT: + if (hscroll >= MAX_LEN) + break; + hscroll++; + /* Reprint current page to scroll horizontally */ + back_lines (page_length); + print_page (text, height - 4, width - 2); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + break; + case ESC: + break; + } } delwin (dialog); free (buf); close (fd); - return -1; /* ESC pressed */ + return -1; /* ESC pressed */ } /* @@ -335,102 +335,102 @@ back_lines (int n) The code inside 'if' basically does a '--page' to move one character backward so as to skip '\n' of the previous line */ if (!end_reached) { - /* Either beginning of buffer or beginning of file reached? */ - if (page == buf) { - if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer in " - "back_lines().\n"); - exit (-1); - } - if (fpos > bytes_read) { /* Not beginning of file yet */ - /* We've reached beginning of buffer, but not beginning of - file yet, so read previous part of file into buffer. - Note that we only move backward for BUF_SIZE/2 bytes, - but not BUF_SIZE bytes to avoid re-reading again in - print_page() later */ - /* Really possible to move backward BUF_SIZE/2 bytes? */ - if (fpos < BUF_SIZE / 2 + bytes_read) { - /* No, move less then */ - if (lseek (fd, 0, SEEK_SET) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer in " - "back_lines().\n"); - exit (-1); - } - page = buf + fpos - bytes_read; - } else { /* Move backward BUF_SIZE/2 bytes */ - if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) - == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer " - "in back_lines().\n"); - exit (-1); - } - page = buf + BUF_SIZE / 2; - } - if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { - endwin (); - fprintf (stderr, "\nError reading file in back_lines().\n"); - exit (-1); - } - buf[bytes_read] = '\0'; - } else { /* Beginning of file reached */ - begin_reached = 1; - return; - } - } - if (*(--page) != '\n') { /* '--page' here */ - /* Something's wrong... */ - endwin (); - fprintf (stderr, "\nInternal error in back_lines().\n"); - exit (-1); - } + /* Either beginning of buffer or beginning of file reached? */ + if (page == buf) { + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "back_lines().\n"); + exit (-1); + } + if (fpos > bytes_read) { /* Not beginning of file yet */ + /* We've reached beginning of buffer, but not beginning of + file yet, so read previous part of file into buffer. + Note that we only move backward for BUF_SIZE/2 bytes, + but not BUF_SIZE bytes to avoid re-reading again in + print_page() later */ + /* Really possible to move backward BUF_SIZE/2 bytes? */ + if (fpos < BUF_SIZE / 2 + bytes_read) { + /* No, move less then */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "back_lines().\n"); + exit (-1); + } + page = buf + fpos - bytes_read; + } else { /* Move backward BUF_SIZE/2 bytes */ + if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) + == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer " + "in back_lines().\n"); + exit (-1); + } + page = buf + BUF_SIZE / 2; + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in back_lines().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } else { /* Beginning of file reached */ + begin_reached = 1; + return; + } + } + if (*(--page) != '\n') { /* '--page' here */ + /* Something's wrong... */ + endwin (); + fprintf (stderr, "\nInternal error in back_lines().\n"); + exit (-1); + } } /* Go back 'n' lines */ for (i = 0; i < n; i++) - do { - if (page == buf) { - if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { - endwin (); - fprintf (stderr, - "\nError moving file pointer in back_lines().\n"); - exit (-1); - } - if (fpos > bytes_read) { - /* Really possible to move backward BUF_SIZE/2 bytes? */ - if (fpos < BUF_SIZE / 2 + bytes_read) { - /* No, move less then */ - if (lseek (fd, 0, SEEK_SET) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer " - "in back_lines().\n"); - exit (-1); - } - page = buf + fpos - bytes_read; - } else { /* Move backward BUF_SIZE/2 bytes */ - if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), - SEEK_CUR) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer" - " in back_lines().\n"); - exit (-1); - } - page = buf + BUF_SIZE / 2; - } - if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { - endwin (); - fprintf (stderr, "\nError reading file in " - "back_lines().\n"); - exit (-1); - } - buf[bytes_read] = '\0'; - } else { /* Beginning of file reached */ - begin_reached = 1; - return; - } - } - } while (*(--page) != '\n'); + do { + if (page == buf) { + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in back_lines().\n"); + exit (-1); + } + if (fpos > bytes_read) { + /* Really possible to move backward BUF_SIZE/2 bytes? */ + if (fpos < BUF_SIZE / 2 + bytes_read) { + /* No, move less then */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer " + "in back_lines().\n"); + exit (-1); + } + page = buf + fpos - bytes_read; + } else { /* Move backward BUF_SIZE/2 bytes */ + if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), + SEEK_CUR) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer" + " in back_lines().\n"); + exit (-1); + } + page = buf + BUF_SIZE / 2; + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in " + "back_lines().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } else { /* Beginning of file reached */ + begin_reached = 1; + return; + } + } + } while (*(--page) != '\n'); page++; } @@ -444,11 +444,11 @@ print_page (WINDOW * win, int height, int width) page_length = 0; for (i = 0; i < height; i++) { - print_line (win, i, width); - if (!passed_end) - page_length++; - if (end_reached && !passed_end) - passed_end = 1; + print_line (win, i, width); + if (!passed_end) + page_length++; + if (end_reached && !passed_end) + passed_end = 1; } wnoutrefresh (win); } @@ -463,8 +463,8 @@ print_line (WINDOW * win, int row, int width) char *line; line = get_line (); - line += MIN (strlen (line), hscroll); /* Scroll horizontally */ - wmove (win, row, 0); /* move cursor to correct line */ + line += MIN (strlen (line), hscroll); /* Scroll horizontally */ + wmove (win, row, 0); /* move cursor to correct line */ waddch (win, ' '); waddnstr (win, line, MIN (strlen (line), width - 2)); @@ -474,7 +474,7 @@ print_line (WINDOW * win, int row, int width) { int i; for (i = 0; i < width - x; i++) - waddch (win, ' '); + waddch (win, ' '); } #else wclrtoeol(win); @@ -494,42 +494,42 @@ get_line (void) end_reached = 0; while (*page != '\n') { - if (*page == '\0') { - /* Either end of file or end of buffer reached */ - if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer in " - "get_line().\n"); - exit (-1); - } - if (fpos < file_size) { /* Not end of file yet */ - /* We've reached end of buffer, but not end of file yet, - so read next part of file into buffer */ - if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { - endwin (); - fprintf (stderr, "\nError reading file in get_line().\n"); - exit (-1); - } - buf[bytes_read] = '\0'; - page = buf; - } else { - if (!end_reached) - end_reached = 1; - break; - } - } else if (i < MAX_LEN) - line[i++] = *(page++); - else { - /* Truncate lines longer than MAX_LEN characters */ - if (i == MAX_LEN) - line[i++] = '\0'; - page++; - } + if (*page == '\0') { + /* Either end of file or end of buffer reached */ + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "get_line().\n"); + exit (-1); + } + if (fpos < file_size) { /* Not end of file yet */ + /* We've reached end of buffer, but not end of file yet, + so read next part of file into buffer */ + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in get_line().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + page = buf; + } else { + if (!end_reached) + end_reached = 1; + break; + } + } else if (i < MAX_LEN) + line[i++] = *(page++); + else { + /* Truncate lines longer than MAX_LEN characters */ + if (i == MAX_LEN) + line[i++] = '\0'; + page++; + } } if (i <= MAX_LEN) - line[i] = '\0'; + line[i] = '\0'; if (!end_reached) - page++; /* move pass '\n' */ + page++; /* move pass '\n' */ return line; } @@ -543,14 +543,14 @@ print_position (WINDOW * win, int height, int width) int fpos, percent; if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { - endwin (); - fprintf (stderr, "\nError moving file pointer in print_position().\n"); - exit (-1); + endwin (); + fprintf (stderr, "\nError moving file pointer in print_position().\n"); + exit (-1); } wattrset (win, position_indicator_attr); wbkgdset (win, position_indicator_attr & A_COLOR); percent = !file_size ? - 100 : ((fpos - bytes_read + page - buf) * 100) / file_size; + 100 : ((fpos - bytes_read + page - buf) * 100) / file_size; wmove (win, height - 3, width - 9); wprintw (win, "(%3d%%)", percent); }