Savannah Git Hosting - enscript.git/blob

1 /*

2 * Printer interface for popen() / lpr systems.

4 *

5 * Author: Markku Rossi <mtr@iki.fi>

6 */

8 /*

9 * This file is part of GNU enscript.

10 *

11 * This program is free software; you can redistribute it and/or modify

12 * it under the terms of the GNU General Public License as published by

13 * the Free Software Foundation; either version 2, or (at your option)

14 * any later version.

15 *

16 * This program is distributed in the hope that it will be useful,

17 * but WITHOUT ANY WARRANTY; without even the implied warranty of

18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

19 * GNU General Public License for more details.

20 *

21 * You should have received a copy of the GNU General Public License

22 * along with this program; see the file COPYING. If not, write to

23 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,

24 * Boston, MA 02110-1301, USA.

25 */

27 #include "gsint.h"

29 /*

30 * Global functions.

31 */

33 FILE *

34 printer_open(char *cmd, char *options, char *queue_param, char *printer_name,

35 void **context_return)

36 {

37 Buffer pipe_cmd;

38 FILE *fp;

40 buffer_init(&pipe_cmd);

42 buffer_append(&pipe_cmd, cmd);

43 buffer_append(&pipe_cmd, " ");

45 if (options)

46 {

47 buffer_append(&pipe_cmd, options);

48 buffer_append(&pipe_cmd, " ");

49 }

51 if (printer_name)

52 {

53 buffer_append(&pipe_cmd, queue_param);

54 buffer_append(&pipe_cmd, printer_name);

55 }

57 fp = popen(buffer_ptr(&pipe_cmd), "w");

59 buffer_uninit(&pipe_cmd);

61 *context_return = fp;

62 return fp;

63 }

66 void

67 printer_close(void *context)

68 {

69 FILE *fp = (FILE *) context;

71 pclose(fp);

72 }