xbps/lib/util.c

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/*-
* Copyright (c) 2008-2011 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.
*/
#ifdef HAVE_VASPRINTF
# define _GNU_SOURCE /* for vasprintf(3) */
#endif
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <sys/utsname.h>
#include "config.h"
#include "xbps_api_impl.h"
/**
* @file lib/util.c
* @brief Utility routines
* @defgroup util Utility functions
*/
bool
xbps_check_is_repository_uri_remote(const char *uri)
{
assert(uri != NULL);
if ((strncmp(uri, "https://", 8) == 0) ||
(strncmp(uri, "http://", 7) == 0) ||
(strncmp(uri, "ftp://", 6) == 0))
return true;
return false;
}
int
xbps_check_is_installed_pkg_by_pattern(const char *pattern)
{
prop_dictionary_t dict;
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pkg_state_t state;
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assert(pattern != NULL);
dict = xbps_find_virtualpkg_dict_installed(pattern, true);
if (dict == NULL) {
if (errno == ENOENT) {
errno = 0;
return 0; /* not installed */
}
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return -1; /* error */
}
/*
* Check that package state is fully installed, not
* unpacked or something else.
*/
if (xbps_pkg_state_dictionary(dict, &state) != 0) {
prop_object_release(dict);
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return -1; /* error */
}
if (state != XBPS_PKG_STATE_INSTALLED) {
prop_object_release(dict);
return 0; /* not fully installed */
}
prop_object_release(dict);
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return 1;
}
bool
xbps_check_is_installed_pkg_by_name(const char *pkgname)
{
prop_dictionary_t pkgd;
assert(pkgname != NULL);
pkgd = xbps_find_virtualpkg_dict_installed(pkgname, false);
if (pkgd) {
prop_object_release(pkgd);
return true;
}
return false;
}
const char *
xbps_pkg_version(const char *pkg)
{
const char *tmp;
assert(pkg != NULL);
/* Get the required version */
tmp = strrchr(pkg, '-');
if (tmp == NULL)
return NULL;
return tmp + 1; /* skip first '-' */
}
const char *
xbps_pkg_revision(const char *pkg)
{
const char *tmp;
assert(pkg != NULL);
/* Get the required revision */
tmp = strrchr(pkg, '_');
if (tmp == NULL)
return NULL;
return tmp + 1; /* skip first '_' */
}
char *
xbps_pkg_name(const char *pkg)
{
const char *tmp;
char *pkgname;
size_t len = 0;
assert(pkg != NULL);
/* Get package name */
tmp = strrchr(pkg, '-');
if (tmp == NULL)
return NULL;
len = strlen(pkg) - strlen(tmp) + 1;
pkgname = malloc(len);
if (pkgname == NULL)
return NULL;
strlcpy(pkgname, pkg, len);
return pkgname;
}
char *
xbps_pkgpattern_name(const char *pkg)
{
char *res, *pkgname;
size_t len;
assert(pkg != NULL);
res = strpbrk(pkg, "><*?[]");
if (res == NULL)
return NULL;
len = strlen(pkg) - strlen(res) + 1;
if (pkg[len-2] == '-')
len--;
pkgname = malloc(len);
if (pkgname == NULL)
return NULL;
strlcpy(pkgname, pkg, len);
return pkgname;
}
const char *
xbps_pkgpattern_version(const char *pkg)
{
char *res;
assert(pkg != NULL);
res = strpbrk(pkg, "><*?[]");
if (res == NULL)
return NULL;
return res;
}
static char *
get_pkg_index_remote_plist(const char *uri)
{
struct xbps_handle *xhp;
char *uri_fixed, *repodir;
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assert(uri != NULL);
xhp = xbps_handle_get();
uri_fixed = xbps_get_remote_repo_string(uri);
if (uri_fixed == NULL)
return NULL;
repodir = xbps_xasprintf("%s/%s/%s/%s",
prop_string_cstring_nocopy(xhp->rootdir),
XBPS_META_PATH, uri_fixed, XBPS_PKGINDEX);
if (repodir == NULL) {
free(uri_fixed);
return NULL;
}
free(uri_fixed);
return repodir;
}
char *
xbps_pkg_index_plist(const char *uri)
{
struct utsname un;
assert(uri != NULL);
if (uname(&un) == -1)
return NULL;
if (xbps_check_is_repository_uri_remote(uri))
return get_pkg_index_remote_plist(uri);
return xbps_xasprintf("%s/%s/%s", uri, un.machine, XBPS_PKGINDEX);
}
char *
xbps_path_from_repository_uri(prop_dictionary_t pkg_repod, const char *repoloc)
{
struct xbps_handle *xhp;
const char *filen, *arch;
char *lbinpkg = NULL;
assert(prop_object_type(pkg_repod) == PROP_TYPE_DICTIONARY);
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assert(repoloc != NULL);
if (!prop_dictionary_get_cstring_nocopy(pkg_repod,
"filename", &filen))
return NULL;
if (!prop_dictionary_get_cstring_nocopy(pkg_repod,
"architecture", &arch))
return NULL;
xhp = xbps_handle_get();
/*
* First check if binpkg is available in cachedir.
*/
lbinpkg = xbps_xasprintf("%s/%s",
prop_string_cstring_nocopy(xhp->cachedir), filen);
if (lbinpkg == NULL)
return NULL;
if (access(lbinpkg, R_OK) == 0)
return lbinpkg;
free(lbinpkg);
/*
* Local and remote repositories use the same path.
*/
return xbps_xasprintf("%s/%s/%s", repoloc, arch, filen);
}
bool
xbps_pkg_has_rundeps(prop_dictionary_t pkgd)
{
prop_array_t array;
assert(prop_object_type(pkgd) == PROP_TYPE_DICTIONARY);
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array = prop_dictionary_get(pkgd, "run_depends");
if (array && prop_array_count(array) > 0)
return true;
return false;
}
#ifdef HAVE_VASPRINTF
char *
xbps_xasprintf(const char *fmt, ...)
{
va_list ap;
char *buf;
va_start(ap, fmt);
if (vasprintf(&buf, fmt, ap) == -1) {
va_end(ap);
return NULL;
}
va_end(ap);
return buf;
}
#endif /* HAVE_VASPRINTF */