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Annotation of src/usr.bin/ftp/file.c, Revision 1.2

1.2     ! jasper      1: /*     $OpenBSD$ */
        !             2:
1.1       kmos        3: /*
                      4:  * Copyright (c) 2015 Sunil Nimmagadda <sunil@openbsd.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/stat.h>
                     20:
                     21: #include <err.h>
                     22: #include <fcntl.h>
                     23: #include <stdio.h>
                     24:
                     25: #include "ftp.h"
                     26:
                     27: struct imsgbuf;
                     28:
                     29: static FILE    *src_fp;
                     30:
                     31: struct url *
                     32: file_request(struct imsgbuf *ibuf, struct url *url, off_t *offset, off_t *sz)
                     33: {
                     34:        struct stat     sb;
                     35:        int             src_fd;
                     36:
                     37:        if ((src_fd = fd_request(url->path, O_RDONLY, NULL)) == -1)
                     38:                err(1, "Can't open file %s", url->path);
                     39:
                     40:        if (fstat(src_fd, &sb) == 0)
                     41:                *sz = sb.st_size;
                     42:
                     43:        if ((src_fp = fdopen(src_fd, "r")) == NULL)
                     44:                err(1, "%s: fdopen", __func__);
                     45:
                     46:        if (*offset && fseeko(src_fp, *offset, SEEK_SET) == -1)
                     47:                err(1, "%s: fseeko", __func__);
                     48:
                     49:        return url;
                     50: }
                     51:
                     52: void
                     53: file_save(struct url *url, FILE *dst_fp, off_t *offset)
                     54: {
                     55:        copy_file(dst_fp, src_fp, offset);
                     56:        fclose(src_fp);
                     57: }