diff options
Diffstat (limited to 'ext/zip/lib/zip_source_buffer.c')
| -rw-r--r-- | ext/zip/lib/zip_source_buffer.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/ext/zip/lib/zip_source_buffer.c b/ext/zip/lib/zip_source_buffer.c deleted file mode 100644 index ada9ae85fb..0000000000 --- a/ext/zip/lib/zip_source_buffer.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - $NiH: zip_source_buffer.c,v 1.8 2006/04/23 14:50:49 wiz Exp $ - - zip_source_buffer.c -- create zip data source from buffer - 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 <stdlib.h> -#include <string.h> - -#include "zip.h" -#include "zipint.h" - -struct read_data { - const char *buf, *data, *end; - time_t mtime; - int freep; -}; - -static ssize_t read_data(void *state, void *data, size_t len, - enum zip_source_cmd cmd); - - - -struct zip_source * -zip_source_buffer(struct zip *za, const void *data, off_t len, int freep) -{ - struct read_data *f; - struct zip_source *zs; - - if (za == NULL) - return NULL; - - if (len < 0 || (data == NULL && len > 0)) { - _zip_error_set(&za->error, ZIP_ER_INVAL, 0); - return NULL; - } - - if ((f=(struct read_data *)malloc(sizeof(*f))) == NULL) { - _zip_error_set(&za->error, ZIP_ER_MEMORY, 0); - return NULL; - } - - f->data = (const char *)data; - f->end = ((const char *)data)+len; - f->freep = freep; - f->mtime = time(NULL); - - if ((zs=zip_source_function(za, read_data, f)) == NULL) { - free(f); - return NULL; - } - - return zs; -} - -static ssize_t -read_data(void *state, void *data, size_t len, enum zip_source_cmd cmd) -{ - struct read_data *z; - char *buf; - size_t n; - - z = (struct read_data *)state; - buf = (char *)data; - - switch (cmd) { - case ZIP_SOURCE_OPEN: - z->buf = z->data; - return 0; - - case ZIP_SOURCE_READ: - n = z->end - z->buf; - if (n > len) - n = len; - if (n < 0) - n = 0; - - if (n) { - memcpy(buf, z->buf, n); - z->buf += n; - } - - return n; - - case ZIP_SOURCE_CLOSE: - return 0; - - case ZIP_SOURCE_STAT: - { - struct zip_stat *st; - - if (len < sizeof(*st)) - return -1; - - st = (struct zip_stat *)data; - - st->mtime = z->mtime; - st->crc = 0; - st->size = z->end - z->data; - st->comp_size = -1; - st->comp_method = ZIP_CM_STORE; - - return sizeof(*st); - } - - case ZIP_SOURCE_ERROR: - { - int *e; - - if (len < sizeof(int)*2) - return -1; - - e = (int *)data; - e[0] = e[1] = 0; - } - return sizeof(int)*2; - - case ZIP_SOURCE_FREE: - if (z->freep) { - free((void *)z->data); - z->data = NULL; - } - free(z); - return 0; - - default: - ; - } - - return -1; -} |