xbps/lib/package_metadir.c

87 lines
2.6 KiB
C

/*-
* Copyright (c) 2012 Juan Romero Pardines.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "xbps_api_impl.h"
void HIDDEN
xbps_metadir_release(struct xbps_handle *xhp)
{
if (prop_object_type(xhp->pkg_metad) == PROP_TYPE_DICTIONARY)
prop_object_release(xhp->pkg_metad);
}
prop_dictionary_t
xbps_metadir_get_pkgd(struct xbps_handle *xhp, const char *name)
{
prop_dictionary_t pkgd, d;
const char *savedpkgname;
char *plistf;
assert(xhp);
assert(name);
if ((pkgd = prop_dictionary_get(xhp->pkg_metad, name)) != NULL)
return pkgd;
savedpkgname = name;
plistf = xbps_xasprintf("%s/.%s.plist", xhp->metadir, name);
if (access(plistf, R_OK) == -1) {
pkgd = xbps_pkgdb_get_virtualpkgd(xhp, name, false);
if (pkgd == NULL)
pkgd = xbps_pkgdb_get_pkgd(xhp, name, false);
if (pkgd != NULL) {
free(plistf);
prop_dictionary_get_cstring_nocopy(pkgd,
"pkgname", &savedpkgname);
plistf = xbps_xasprintf("%s/.%s.plist",
xhp->metadir, savedpkgname);
}
}
d = prop_dictionary_internalize_from_zfile(plistf);
free(plistf);
if (d == NULL) {
xbps_dbg_printf(xhp, "cannot read %s metadata: %s\n",
savedpkgname, strerror(errno));
return NULL;
}
if (xhp->pkg_metad == NULL)
xhp->pkg_metad = prop_dictionary_create();
prop_dictionary_set(xhp->pkg_metad, name, d);
prop_object_release(d);
return d;
}