xbps/lib/package_metadir.c

122 lines
3.1 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"
#include "uthash.h"
struct pkgmeta {
const char *name;
prop_dictionary_t d;
UT_hash_handle hh;
};
struct pkgmeta *pkgmetas = NULL;
void HIDDEN
xbps_metadir_release(void)
{
struct pkgmeta *pm = NULL, *pmp = NULL;
HASH_ITER(hh, pm, pkgmetas, pmp) {
HASH_DEL(pkgmetas, pm);
prop_object_release(pm->d);
free(pm);
}
}
static prop_dictionary_t
metadir_get(const char *name)
{
struct pkgmeta *pm;
HASH_FIND_STR(pkgmetas, __UNCONST(name), pm);
if (pm != NULL &&
(prop_object_type(pm->d) == PROP_TYPE_DICTIONARY))
return pm->d;
return NULL;
}
prop_dictionary_t
xbps_metadir_get_pkgd(struct xbps_handle *xhp, const char *name)
{
struct pkgmeta *pm;
prop_dictionary_t pkgd;
const char *savedpkgname;
char *plistf;
assert(xhp);
assert(name);
if ((pkgd = metadir_get(name)) != NULL)
return pkgd;
savedpkgname = name;
plistf = xbps_xasprintf("%s/.%s.plist", xhp->metadir, name);
if (access(plistf, R_OK) == -1) {
pkgd = xbps_find_virtualpkg_dict_installed(xhp, name, false);
if (pkgd == NULL)
pkgd = xbps_find_pkg_dict_installed(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);
}
}
/* Add pkg plist to hash map */
pm = malloc(sizeof(*pm));
assert(pm);
pm->name = name;
pm->d = prop_dictionary_internalize_from_zfile(plistf);
free(plistf);
if (pm->d == NULL) {
free(pm);
xbps_dbg_printf(xhp, "cannot read %s metadata: %s\n",
savedpkgname, strerror(errno));
return NULL;
}
HASH_ADD_KEYPTR(hh,
pkgmetas,
__UNCONST(name),
strlen(__UNCONST(name)),
pm);
return pm->d;
}