xbps/lib/package_state.c
2020-04-24 11:44:19 +02:00

163 lines
3.2 KiB
C

/*-
* Licensed under the SPDX BSD-2-Clause identifier.
* Use is subject to license terms, as specified in the LICENSE file.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "xbps_api_impl.h"
struct state {
const char *string;
pkg_state_t number;
};
static const struct state states[] = {
{ "unpacked", XBPS_PKG_STATE_UNPACKED },
{ "installed", XBPS_PKG_STATE_INSTALLED },
{ "broken", XBPS_PKG_STATE_BROKEN },
{ "half-removed", XBPS_PKG_STATE_HALF_REMOVED },
{ "not-installed", XBPS_PKG_STATE_NOT_INSTALLED },
{ NULL, 0 }
};
/**
* @file lib/package_state.c
* @brief Package state handling routines
* @defgroup pkgstates Package state handling functions
*/
static int
set_new_state(xbps_dictionary_t dict, pkg_state_t state)
{
const struct state *stp;
assert(xbps_object_type(dict) == XBPS_TYPE_DICTIONARY);
for (stp = states; stp->string != NULL; stp++)
if (state == stp->number)
break;
if (stp->string == NULL)
return EINVAL;
if (!xbps_dictionary_set_cstring_nocopy(dict, "state", stp->string))
return EINVAL;
return 0;
}
static pkg_state_t
get_state(xbps_dictionary_t dict)
{
const struct state *stp;
const char *state_str;
assert(xbps_object_type(dict) == XBPS_TYPE_DICTIONARY);
if (!xbps_dictionary_get_cstring_nocopy(dict,
"state", &state_str))
return 0;
for (stp = states; stp->string != NULL; stp++)
if (strcmp(state_str, stp->string) == 0)
break;
return stp->number;
}
int
xbps_pkg_state_installed(struct xbps_handle *xhp,
const char *pkgver,
pkg_state_t *state)
{
xbps_dictionary_t pkgd;
assert(pkgver != NULL);
assert(state != NULL);
pkgd = xbps_pkgdb_get_pkg(xhp, pkgver);
if (pkgd == NULL)
return ENOENT;
*state = get_state(pkgd);
if (*state == 0)
return EINVAL;
return 0;
}
int
xbps_pkg_state_dictionary(xbps_dictionary_t dict, pkg_state_t *state)
{
assert(xbps_object_type(dict) == XBPS_TYPE_DICTIONARY);
assert(state != NULL);
if ((*state = get_state(dict)) == 0)
return EINVAL;
return 0;
}
int
xbps_set_pkg_state_dictionary(xbps_dictionary_t dict, pkg_state_t state)
{
assert(xbps_object_type(dict) == XBPS_TYPE_DICTIONARY);
return set_new_state(dict, state);
}
int
xbps_set_pkg_state_installed(struct xbps_handle *xhp,
const char *pkgver,
pkg_state_t state)
{
xbps_dictionary_t pkgd;
char pkgname[XBPS_NAME_SIZE];
int rv = 0;
assert(pkgver != NULL);
pkgd = xbps_pkgdb_get_pkg(xhp, pkgver);
if (pkgd == NULL) {
pkgd = xbps_dictionary_create();
if (pkgd == NULL)
return ENOMEM;
if (!xbps_dictionary_set_cstring_nocopy(pkgd,
"pkgver", pkgver)) {
xbps_object_release(pkgd);
return EINVAL;
}
if ((rv = set_new_state(pkgd, state)) != 0) {
xbps_object_release(pkgd);
return rv;
}
if (!xbps_pkg_name(pkgname, XBPS_NAME_SIZE, pkgver)) {
abort();
}
if (!xbps_dictionary_set(xhp->pkgdb, pkgname, pkgd)) {
xbps_object_release(pkgd);
return EINVAL;
}
xbps_object_release(pkgd);
} else {
if ((rv = set_new_state(pkgd, state)) != 0)
return rv;
if (!xbps_pkg_name(pkgname, XBPS_NAME_SIZE, pkgver)) {
abort();
}
if (!xbps_dictionary_set(xhp->pkgdb, pkgname, pkgd)) {
return EINVAL;
}
}
return rv;
}