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Annotation of src/usr.bin/ftp/file.c, Revision 1.1

1.1     ! kmos        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: struct imsgbuf;
        !            26:
        !            27: static FILE    *src_fp;
        !            28:
        !            29: struct url *
        !            30: file_request(struct imsgbuf *ibuf, struct url *url, off_t *offset, off_t *sz)
        !            31: {
        !            32:        struct stat     sb;
        !            33:        int             src_fd;
        !            34:
        !            35:        if ((src_fd = fd_request(url->path, O_RDONLY, NULL)) == -1)
        !            36:                err(1, "Can't open file %s", url->path);
        !            37:
        !            38:        if (fstat(src_fd, &sb) == 0)
        !            39:                *sz = sb.st_size;
        !            40:
        !            41:        if ((src_fp = fdopen(src_fd, "r")) == NULL)
        !            42:                err(1, "%s: fdopen", __func__);
        !            43:
        !            44:        if (*offset && fseeko(src_fp, *offset, SEEK_SET) == -1)
        !            45:                err(1, "%s: fseeko", __func__);
        !            46:
        !            47:        return url;
        !            48: }
        !            49:
        !            50: void
        !            51: file_save(struct url *url, FILE *dst_fp, off_t *offset)
        !            52: {
        !            53:        copy_file(dst_fp, src_fp, offset);
        !            54:        fclose(src_fp);
        !            55: }