/curl-7.28.0/src/tool_xattr.c
C | 76 lines | 41 code | 6 blank | 29 comment | 6 complexity | b7403e15f68d9826b6af6f2cfa390879 MD5 | raw file
- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
- #include "tool_setup.h"
- #ifdef HAVE_FSETXATTR
- # include <sys/xattr.h> /* header from libc, not from libattr */
- #endif
- #include "tool_xattr.h"
- #include "memdebug.h" /* keep this as LAST include */
- #ifdef HAVE_FSETXATTR
- /* mapping table of curl metadata to extended attribute names */
- static const struct xattr_mapping {
- const char *attr; /* name of the xattr */
- CURLINFO info;
- } mappings[] = {
- /* mappings proposed by
- * http://freedesktop.org/wiki/CommonExtendedAttributes
- */
- { "user.xdg.origin.url", CURLINFO_EFFECTIVE_URL },
- { "user.mime_type", CURLINFO_CONTENT_TYPE },
- { NULL, CURLINFO_NONE } /* last element, abort loop here */
- };
- /* store metadata from the curl request alongside the downloaded
- * file using extended attributes
- */
- int fwrite_xattr(CURL *curl, int fd)
- {
- int i = 0;
- int err = 0;
- /* loop through all xattr-curlinfo pairs and abort on a set error */
- while(err == 0 && mappings[i].attr != NULL) {
- char *value = NULL;
- CURLcode rc = curl_easy_getinfo(curl, mappings[i].info, &value);
- if(rc == CURLE_OK && value) {
- #ifdef HAVE_FSETXATTR_6
- err = fsetxattr(fd, mappings[i].attr, value, strlen(value), 0, 0);
- #elif defined(HAVE_FSETXATTR_5)
- err = fsetxattr(fd, mappings[i].attr, value, strlen(value), 0);
- #endif
- }
- i++;
- }
- return err;
- }
- #else
- int fwrite_xattr(CURL *curl, int fd)
- {
- (void)curl;
- (void)fd;
- return 0;
- }
- #endif