diff options
Diffstat (limited to 'ext/zip/lib/zip_source_filep.c')
| -rw-r--r-- | ext/zip/lib/zip_source_filep.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/ext/zip/lib/zip_source_filep.c b/ext/zip/lib/zip_source_filep.c deleted file mode 100644 index 9c7383cf29..0000000000 --- a/ext/zip/lib/zip_source_filep.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - $NiH: zip_source_filep.c,v 1.6 2005/06/09 19:57:10 dillo Exp $ - - zip_source_filep.c -- create data source from FILE * - Copyright (C) 1999, 2003, 2004, 2005 Dieter Baron and Thomas Klausner - - This file is part of libzip, a library to manipulate ZIP archives. - The authors can be contacted at <nih@giga.or.at> - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in - the documentation and/or other materials provided with the - distribution. - 3. The names of the authors may not be used to endorse or promote - products derived from this software without specific prior - written permission. - - THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS - OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY - DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE - GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER - IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN - IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - - - -#include <sys/stat.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "zip.h" -#include "zipint.h" - -struct read_file { - FILE *f; /* file to copy from */ - off_t off; /* start offset of */ - off_t len; /* lengt of data to copy */ - off_t remain; /* bytes remaining to be copied */ - int e[2]; /* error codes */ -}; - -static ssize_t read_file(void *state, void *data, size_t len, - enum zip_source_cmd cmd); - - - -struct zip_source * -zip_source_filep(struct zip *za, FILE *file, off_t start, off_t len) -{ - struct read_file *f; - struct zip_source *zs; - - if (za == NULL) - return NULL; - - if (file == NULL || start < 0 || len < -1) { - _zip_error_set(&za->error, ZIP_ER_INVAL, 0); - return NULL; - } - - if ((f=(struct read_file *)malloc(sizeof(struct read_file))) == NULL) { - _zip_error_set(&za->error, ZIP_ER_MEMORY, 0); - return NULL; - } - - f->f = file; - f->off = start; - f->len = (len ? len : -1); - - if ((zs=zip_source_function(za, read_file, f)) == NULL) { - free(f); - return NULL; - } - - return zs; -} - - - -static ssize_t -read_file(void *state, void *data, size_t len, enum zip_source_cmd cmd) -{ - struct read_file *z; - char *buf; - int i, n; - - z = (struct read_file *)state; - buf = (char *)data; - - switch (cmd) { - case ZIP_SOURCE_OPEN: - if (fseeko(z->f, z->off, SEEK_SET) < 0) { - z->e[0] = ZIP_ER_SEEK; - z->e[1] = errno; - return -1; - } - z->remain = z->len; - return 0; - - case ZIP_SOURCE_READ: - if (z->remain != -1) - n = len > z->remain ? z->remain : len; - else - n = len; - - if ((i=fread(buf, 1, n, z->f)) < 0) { - z->e[0] = ZIP_ER_READ; - z->e[1] = errno; - return -1; - } - - if (z->remain != -1) - z->remain -= i; - - return i; - - case ZIP_SOURCE_CLOSE: - return 0; - - case ZIP_SOURCE_STAT: - { - struct zip_stat *st; - struct stat fst; - - if (len < sizeof(*st)) - return -1; - - st = (struct zip_stat *)data; - - if (fstat(fileno(z->f), &fst) != 0) { - z->e[0] = ZIP_ER_READ; /* best match */ - z->e[1] = errno; - return -1; - } - - st->mtime = fst.st_mtime; - st->crc = 0; - if (z->len != -1) - st->size = z->len; - else if ((fst.st_mode&S_IFMT) == S_IFREG) - st->size = fst.st_size; - else - st->size = -1; - st->comp_size = -1; - st->comp_method = ZIP_CM_STORE; - - return sizeof(*st); - } - - case ZIP_SOURCE_ERROR: - if (len < sizeof(int)*2) - return -1; - - memcpy(data, z->e, sizeof(int)*2); - return sizeof(int)*2; - - case ZIP_SOURCE_FREE: - fclose(z->f); - free(z); - return 0; - - default: - ; - } - - return -1; -} |