1 /*

     2  * Copyright (c) 2015 Sunil Nimmagadda <sunil@openbsd.org>

     3  *

     4  * Permission to use, copy, modify, and distribute this software for any

     5  * purpose with or without fee is hereby granted, provided that the above

     6  * copyright notice and this permission notice appear in all copies.

     7  *

     8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

     9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

    10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

    11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

    12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

    13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

    14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

    15  */

    16 

    17 #include <sys/stat.h>

    18 

    19 #include <err.h>

    20 #include <fcntl.h>

    21 #include <stdio.h>

    22 

    23 #include "ftp.h"

    24 

    25 static FILE	*src_fp;

    26 

    27 struct url *

    28 file_get(struct url *url, off_t *offset, off_t *sz)

    29 {

    30 	struct stat	sb;

    31 	int		src_fd;

    32 

    33 	if ((src_fd = fd_request(url->path, O_RDONLY, NULL)) == -1)

    34 		err(1, "Can't open file %s", url->path);

    35 

    36 	if (fstat(src_fd, &sb) == 0)

    37 		*sz = sb.st_size;

    38 

    39 	if ((src_fp = fdopen(src_fd, "r")) == NULL)

    40 		err(1, "%s: fdopen", __func__);

    41 

    42 	if (*offset && fseeko(src_fp, *offset, SEEK_SET) == -1)

    43 		err(1, "%s: fseeko", __func__);

    44 

    45 	return url;

    46 }

    47 

    48 void

    49 file_save(struct url *url, FILE *dst_fp, off_t *offset)

    50 {

    51 	copy_file(dst_fp, src_fp, offset);

    52 	fclose(src_fp);

    53 }