C++ pkgdb_open函数代码示例

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本文整理汇总了C++中pkgdb_open函数的典型用法代码示例。如果您正苦于以下问题：C++ pkgdb_open函数的具体用法？C++ pkgdb_open怎么用？C++ pkgdb_open使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了pkgdb_open函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: fix_deps

static int
fix_deps(struct pkgdb *db, struct deps_head *dh, int nbpkgs, bool yes)
{
	struct pkg_jobs *jobs = NULL;
	struct deps_entry *e = NULL;
	char **pkgs = NULL;
	int i = 0;
	pkg_flags f = PKG_FLAG_AUTOMATIC;

	assert(db != NULL);
	assert(nbpkgs > 0);

	if ((pkgs = calloc(nbpkgs, MAXPATHLEN + 1)) == NULL)
		err(1, "calloc()");

	STAILQ_FOREACH(e, dh, next)
		pkgs[i++] = e->origin;

	if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK) {
		free(pkgs);
		return (EPKG_ENODB);
	}

	if (pkg_jobs_new(&jobs, PKG_JOBS_INSTALL, db) != EPKG_OK) {
		free(pkgs);
		return (EPKG_FATAL);
	}

	pkg_jobs_set_flags(jobs, f);

	if (pkg_jobs_add(jobs, MATCH_EXACT, pkgs, nbpkgs) == EPKG_FATAL) {
		pkg_jobs_free(jobs);
		return (EPKG_FATAL);
	}

	if (pkg_jobs_solve(jobs) != EPKG_OK) {
		pkg_jobs_free(jobs);
		return (EPKG_FATAL);
	}

	if (pkg_jobs_count(jobs) == 0) {
		printf("\nUnable to find packages for installation.\n\n");
		pkg_jobs_free(jobs);
		return (EPKG_FATAL);
	}

	/* print a summary before applying the jobs */
	print_jobs_summary(jobs, "The following packages will be installed:\n\n");
	
	if (yes == false)
		yes = query_yesno("\n>>> Try to fix the missing dependencies [y/N]: ");

	if (yes == true)
		pkg_jobs_apply(jobs);

	free(pkgs);
	pkg_jobs_free(jobs);

	return (EPKG_OK);
}

开发者ID:HonestQiao，项目名称:pkgng，代码行数:60，代码来源:check.c

示例2: ldhdr_bynevr

static Header ldhdr_bynevr(const struct pkg *pkg, void *foo) 
{
    struct pm_ctx    *pmctx;
    struct pkgdb     *db;
    struct pm_dbrec  dbrec;
    Header           h = NULL;
    
    DBGF("%s\n", pkg_snprintf_s(pkg));
    foo = foo;
    pmctx = pm_new("rpm");
    
    db = pkgdb_open(pmctx, "/", NULL, O_RDONLY, NULL);
    if (db == NULL) 
        goto l_end;
    
    if (pkgdb_get_package_hdr(db, pkg, &dbrec)) {
        n_assert(dbrec.hdr);
        h = pm_rpmhdr_link(dbrec.hdr);
    }
    
    pkgdb_free(db);
    
 l_end:
    pm_free(pmctx);
    return h;
}

开发者ID:megabajt，项目名称:poldek，代码行数:26，代码来源:rpmdbcache.c

示例3: ldhdr_byrecno

static Header ldhdr_byrecno(const struct pkg *pkg, void *foo) 
{
    struct pm_ctx    *pmctx;
    struct pkgdb     *db;
    struct pkgdb_it  it;
    const struct pm_dbrec *dbrec;
    Header           h = NULL;

    foo = foo;
    n_assert(pkg->recno > 0);

    pmctx = pm_new("rpm");
    db = pkgdb_open(pmctx, "/", NULL, O_RDONLY, NULL);
    if (db == NULL) 
        goto l_end;
    
    pkgdb_it_init(db, &it, PMTAG_RECNO, (const char*)&pkg->recno);
    
    if ((dbrec = pkgdb_it_get(&it)) == NULL)
        goto l_end;

    // rpm's error: rpmdb_it_get_count(&it) with RECNO is always 0 
    if (dbrec->hdr)
        h = pm_rpmhdr_link(dbrec->hdr);
        
    pkgdb_it_destroy(&it);
    pkgdb_free(db);
    
 l_end:
    pm_free(pmctx);
    return h;
}

开发者ID:megabajt，项目名称:poldek，代码行数:32，代码来源:rpmdbcache.c

示例4: exec_backup

int
exec_backup(int argc, char **argv)
{
	struct pkgdb	*db = NULL;
	char		*backup_file = NULL;
	bool		 dump = false;
	bool		 restore = false;
	int		 ch;

	struct option longopts[] = {
		{ "dump",	required_argument,	NULL,	'd' },
		{ "restore",	required_argument,	NULL,	'r' },
		{ NULL,		0,			NULL,	0   },
	};

	while ((ch = getopt_long(argc, argv, "+d:r:", longopts, NULL)) != -1) {
		switch (ch) {
		case 'd':
			dump = true;
			backup_file = optarg;
			break;
		case 'r':
			restore = true;
			backup_file = optarg;
			break;
		default:
			usage_backup();
			return (EX_USAGE);
		}
	}
	argc -= optind;
	argv += optind;

	if ( dump == restore ) {
		usage_backup();
		return (EX_USAGE);
	}

	if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK)
		return (EX_IOERR);

	if (dump) {
		if (isatty(fileno(stdout)))
				printf("Dumping database:\n");
		if (pkgdb_dump(db, backup_file) == EPKG_FATAL)
			return (EX_IOERR);
	}

	if (restore) {
		if (!quiet)
			printf("Restoring database:\n");
		if (pkgdb_load(db, backup_file) == EPKG_FATAL)
			return (EX_IOERR);
	}

	pkgdb_close(db);

	return (EX_OK);
}

开发者ID:derekschrock，项目名称:pkg，代码行数:59，代码来源:backup.c

示例5: delete1pkg

static void
delete1pkg(const char *pkgdir)
{
	if (!pkgdb_open(ReadWrite))
		err(EXIT_FAILURE, "cannot open pkgdb");
	(void) pkgdb_remove_pkg(pkgdir);
	pkgdb_close();
}

开发者ID:vocho，项目名称:qnxpkgsrcmirror，代码行数:8，代码来源:main.c

示例6: fix_deps

static int
fix_deps(struct pkgdb *db, struct deps_head *dh, int nbpkgs, bool yes)
{
	struct pkg *pkg = NULL;
	struct pkgdb_it *it = NULL;
	struct pkg_jobs *jobs = NULL;
	struct deps_entry *e = NULL;
	char **pkgs = NULL;
	int i = 0;

	assert(db != NULL);
	assert(nbpkgs > 0);

	if ((pkgs = calloc(nbpkgs, MAXPATHLEN + 1)) == NULL)
		err(1, "calloc()");

	STAILQ_FOREACH(e, dh, next)
		pkgs[i++] = e->origin;

	if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK)
		return (EPKG_ENODB);

	if (pkg_jobs_new(&jobs, PKG_JOBS_INSTALL, db) != EPKG_OK)
		free(pkgs);

	if ((it = pkgdb_query_installs(db, MATCH_EXACT, nbpkgs, pkgs, NULL, false)) == NULL) {
		free(pkgs);
		pkg_jobs_free(jobs);
	}

	while (pkgdb_it_next(it, &pkg, PKG_LOAD_BASIC|PKG_LOAD_DEPS) == EPKG_OK) {
		pkg_jobs_add(jobs, pkg);
		pkg = NULL;
	}

	if (pkg_jobs_is_empty(jobs)) {
		printf("\n>>> Unable to find packages for installation.\n\n");
		return (EPKG_FATAL);
	}

	/* print a summary before applying the jobs */
	pkg = NULL;

	print_jobs_summary(jobs, PKG_JOBS_INSTALL, "The following packages will be installed:\n\n");
	
	if (yes == false)
		yes = query_yesno("\n>>> Try to fix the missing dependencies [y/N]: ");

	if (yes == true)
		pkg_jobs_apply(jobs, 0);

	free(pkgs);
	pkg_free(pkg);
	pkg_jobs_free(jobs);
	pkgdb_it_free(it);

	return (EPKG_OK);
}

开发者ID:baloo，项目名称:pkgng，代码行数:58，代码来源:check.c

示例7: exec_add

int
exec_add(int argc, char **argv)
{
    struct pkgdb *db = NULL;
    struct sbuf *failedpkgs = sbuf_new_auto();
    char path[MAXPATHLEN + 1];
    char *file;
    int retcode = EPKG_OK;
    int i;
    int failedpkgcount = 0;
    struct pkg *p = NULL;

    if (argc < 2) {
        usage_add();
        return (EX_USAGE);
    }

    if (geteuid() != 0) {
        warnx("adding packages can only be done as root");
        return (EX_NOPERM);
    }

    if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK) {
        return (EX_IOERR);
    }

    for (i = 1; i < argc; i++) {
        if (is_url(argv[i]) == EPKG_OK) {
            snprintf(path, sizeof(path), "./%s", basename(argv[i]));
            if ((retcode = pkg_fetch_file(argv[i], path)) != EPKG_OK)
                break;

            file = path;
        } else
            file = argv[i];

        pkg_open(&p, file, NULL);

        if ((retcode = pkg_add(db, file, 0)) != EPKG_OK) {
            sbuf_cat(failedpkgs, argv[i]);
            if (i != argc - 1)
                sbuf_printf(failedpkgs, ", ");
            failedpkgcount++;
        }

    }

    pkgdb_close(db);

    if(failedpkgcount > 0) {
        sbuf_finish(failedpkgs);
        printf("Failed to install the following %d package(s): %s.\n", failedpkgcount, sbuf_data(failedpkgs));
    }
    sbuf_delete(failedpkgs);

    return (retcode == EPKG_OK ? EX_OK : EX_SOFTWARE);
}

开发者ID:culot，项目名称:pkgng，代码行数:57，代码来源:add.c

示例8: pkg_create_matches

static int
pkg_create_matches(int argc, char **argv, match_t match, pkg_formats fmt, const char * const outdir, const char * const rootdir)
{
	int i, ret = EPKG_OK, retcode = EPKG_OK;
	struct pkgdb *db = NULL;
	struct pkgdb_it *it = NULL;
	struct pkg *pkg = NULL;
	int query_flags = PKG_LOAD_DEPS | PKG_LOAD_CONFLICTS | PKG_LOAD_FILES | PKG_LOAD_CATEGORIES |
					  PKG_LOAD_DIRS | PKG_LOAD_SCRIPTS | PKG_LOAD_OPTIONS |
					  PKG_LOAD_MTREE | PKG_LOAD_LICENSES;

	if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK) {
		pkgdb_close(db);
		return (EX_IOERR);
	}

	if (match != MATCH_ALL) {
		for (i = 0;i < argc; i++) {
			if ((it = pkgdb_query(db, argv[i], match)) == NULL) {
				goto cleanup;
			}
			while ((ret = pkgdb_it_next(it, &pkg, query_flags)) == EPKG_OK) {
				printf("Creating package for %s-%s\n", pkg_get(pkg, PKG_NAME),
				    pkg_get(pkg, PKG_VERSION));
				if (pkg_create_installed(outdir, fmt, rootdir, pkg) != EPKG_OK) {
					retcode++;
				}
			}
		}
	} else {
		if ((it = pkgdb_query(db, NULL, match)) == NULL) {
			goto cleanup;
		}
		while ((ret = pkgdb_it_next(it, &pkg, query_flags)) == EPKG_OK) {
			printf("Creating package for %s-%s\n", pkg_get(pkg, PKG_NAME),
					pkg_get(pkg, PKG_VERSION));
			if (pkg_create_installed(outdir, fmt, rootdir, pkg) != EPKG_OK) {
				retcode++;
			}
		}
	}

cleanup:
	if (ret != EPKG_END) {
		retcode++;
	}

	pkg_free(pkg);
	pkgdb_it_free(it);
	pkgdb_close(db);

	return (retcode);
}

开发者ID:dnaeon，项目名称:pkgng，代码行数:53，代码来源:create.c

示例9: exec_stats

int
exec_stats(int argc, char **argv)
{
	struct pkgdb *db = NULL;
	int64_t flatsize = 0;
	char size[7];
	int retcode = EX_OK;
	int ch;

	while ((ch = getopt(argc, argv, "q")) != -1) {
                switch (ch) {
		case 'q':
			quiet = true;
			break;
		default:
			usage_stats();
			return (EX_USAGE);
                }
        }
        argc -= optind;
        argv += optind;

	if (argc > 2) {
		usage_stats();
		return (EX_USAGE);
	}

	if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK) {
		return (EX_IOERR);
	}

	printf("Local package database:\n");
	printf("\tInstalled packages: %" PRId64 "\n", pkgdb_stats(db, PKG_STATS_LOCAL_COUNT));

	flatsize = pkgdb_stats(db, PKG_STATS_LOCAL_SIZE);
	humanize_number(size, sizeof(flatsize), flatsize, "B", HN_AUTOSCALE, 0);
	printf("\tDisk space occupied: %s\n\n", size);

	printf("Remote package database(s):\n");
	printf("\tNumber of repositories: %" PRId64 "\n", pkgdb_stats(db, PKG_STATS_REMOTE_REPOS));
	printf("\tPackages available: %" PRId64 "\n", pkgdb_stats(db, PKG_STATS_REMOTE_COUNT));
	printf("\tUnique packages: %" PRId64 "\n", pkgdb_stats(db, PKG_STATS_REMOTE_UNIQUE));

	flatsize = pkgdb_stats(db, PKG_STATS_REMOTE_SIZE);
	humanize_number(size, sizeof(flatsize), flatsize, "B", HN_AUTOSCALE, 0);
	printf("\tTotal size of packages: %s\n", size);

	pkgdb_close(db);

	return (retcode);
}

开发者ID:baloo，项目名称:pkgng，代码行数:51，代码来源:stats.c

示例10: exec_shlib

int
exec_shlib(int argc, char **argv)
{
	struct pkgdb	*db = NULL;
	char		 libname[MAXPATHLEN + 1];
	int		 retcode = EPKG_OK;
	int		 ch;
	bool		 provides_only = false;
	bool		 requires_only = false;

	while ((ch = getopt(argc, argv, "PR")) != -1) {
		switch (ch) {
		case 'P':
			provides_only = true;
			break;
		case 'R':
			requires_only = true;
			break;
		default:
			usage_shlib();
			return (EX_USAGE);
		}
	}
	argc -= optind;
	argv += optind;

	if (argc < 1 || (provides_only && requires_only)) {
		usage_shlib();
		return (EX_USAGE);
	}

	if (sanitize(libname, argv[0], sizeof(libname)) == NULL) {
		usage_shlib();
		return (EX_USAGE);
	}

	retcode = pkgdb_open(&db, PKGDB_DEFAULT);

	if (retcode == EPKG_OK && !provides_only)
		retcode = pkgs_providing_lib(db, libname);

	if (retcode == EPKG_OK && !requires_only)
		retcode = pkgs_requiring_lib(db, libname);

	if (retcode != EPKG_OK)
		retcode = (EX_IOERR);
		
	pkgdb_close(db);
	return (retcode);
}

开发者ID:DarknessWarrior，项目名称:pkg，代码行数:50，代码来源:shlib.c

示例11: load_db_packages

static
int load_db_packages(struct pm_ctx *pmctx, struct pkgdir *pkgdir,
                     const char *rootdir) 
{
    struct pkgdb       *db;
    struct pkgdb_it    it;
    const struct pm_dbrec *dbrec;
    char               dbfull_path[PATH_MAX];    
    int                n;
    
    snprintf(dbfull_path, sizeof(dbfull_path), "%s%s",
             *(rootdir + 1) == '\0' ? "" : rootdir,
             pkgdir->idxpath != NULL ? pkgdir->idxpath : "");

    db = pkgdb_open(pmctx, rootdir, pkgdir->idxpath, O_RDONLY, NULL);
    if (db == NULL)
        return 0;

    msg(3, _("Loading db packages%s%s%s..."), *dbfull_path ? " [":"",
        dbfull_path, *dbfull_path ? "]":"");

    pkgdb_it_init(db, &it, PMTAG_RECNO, NULL);

    n = 0;
    while ((dbrec = pkgdb_it_get(&it))) {
        if (dbrec->hdr) {
            if (load_package(dbrec->recno, dbrec->hdr, pkgdir))
                n++;
        }

        if (n % 100 == 0)
            msg(3, "_.");
        
        if (sigint_reached()) {
            n = 0;
            break;
        }
    }
    msgn(3, "_done");
    
    pkgdb_it_destroy(&it);
    pkgdb_free(db);

    if (n == 0)
        n_array_clean(pkgdir->pkgs);
    
    return n_array_size(pkgdir->pkgs);
}

开发者ID:megabajt，项目名称:poldek，代码行数:48，代码来源:rpmdb.c

示例12: do_open

/* just check if database exists */
static
int do_open(struct pkgdir *pkgdir, unsigned flags)
{
    struct pm_ctx *pmctx;
    struct pkgdb  *db;


    flags = flags;          /* unused */
    
    n_assert(pkgdir->mod_data == NULL);
    pkgdir->mod_data = pmctx = pm_new("rpm");
    
    if ((db = pkgdb_open(pmctx, "/", pkgdir->idxpath, O_RDONLY, NULL)) == NULL)
        return 0;

    pkgdb_free(db);
    return 1;
}

开发者ID:megabajt，项目名称:poldek，代码行数:19，代码来源:rpmdb.c

示例13: pkgdb_dump

/* dump contents of the database to stdout */
int
pkgdb_dump(void)
{
	DBT     key;
	DBT	val;
	int	type;

	if (pkgdb_open(ReadOnly)) {
		for (type = R_FIRST ; (*pkgdbp->seq)(pkgdbp, &key, &val, type) == 0 ; type = R_NEXT) {
			printf("file: %.*s pkg: %.*s\n",
				(int) key.size, (char *) key.data,
				(int) val.size, (char *) val.data);
		}
		pkgdb_close();
		return 0;
	} else
		return -1;
}

开发者ID:41px，项目名称:pkgin，代码行数:19，代码来源:pkgdb.c

示例14: getdb

int
getdb(struct pkgdb **db)
{
	int err;

	/* err = pkgdb_access(PKGDB_MODE_READ, PKGDB_DB_REPO);

	if (err == EPKG_ENOACCESS)
		fprintf(stderr, "check your privilege\n", err);
	else if (err != EPKG_OK)
		fprintf(stderr, "access error: %i\n", err);
	else */{
		err = pkgdb_open(db, PKGDB_REMOTE);
		if (err != EPKG_OK)
			fprintf(stderr, "open error: %i\n", err);
	}
	return err;
}

开发者ID:CaptainHayashi，项目名称:pkgng-packagekit，代码行数:18，代码来源:querytest.c

示例15: exec_which

int
exec_which(int argc, char **argv)
{
	struct pkgdb *db;
	struct pkgdb_it *it;
	struct pkg *pkg = NULL;
	char pathabs[MAXPATHLEN + 1];
	int ret = EPKG_OK, retcode = EPKG_OK;
	const char *name, *version;

	if (argc != 2) {
		usage_which();
		return (EX_USAGE);
	}

	if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK) {
		pkgdb_close(db);
		return (EX_IOERR);
	}

	absolutepath(argv[1], pathabs, sizeof(pathabs));

	if ((it = pkgdb_query_which(db, pathabs)) == NULL) {
		return (EX_IOERR);
	}

	if (( ret = pkgdb_it_next(it, &pkg, PKG_LOAD_BASIC)) == EPKG_OK) {
		retcode = EPKG_OK;
		pkg_get(pkg, PKG_NAME, &name, PKG_VERSION, &version);
		printf("%s was installed by package %s-%s\n", pathabs, name, version);
	} else if (ret != EPKG_END) {
		retcode = EPKG_WARN;
	} else {
		printf("%s was not found in the database\n", pathabs);
		retcode = EPKG_WARN;
	}
		
	pkg_free(pkg);
	pkgdb_it_free(it);

	pkgdb_close(db);
	return (retcode);
}

开发者ID:infofarmer，项目名称:pkgng，代码行数:43，代码来源:which.c

示例16: remote_add_indexes

/* Add indexes to the repo */
static int
remote_add_indexes(const char *reponame)
{
	struct pkgdb *db = NULL;
	int ret = EPKG_FATAL;

	if (pkgdb_open(&db, PKGDB_REMOTE) != EPKG_OK)
		goto cleanup;

	/* Initialize the remote remote */
	if (pkgdb_remote_init(db, reponame) != EPKG_OK)
		goto cleanup;

	ret = EPKG_OK;

	cleanup:
	if (db)
		pkgdb_close(db);
	return (ret);
}

开发者ID:ocochard，项目名称:pkgng，代码行数:21，代码来源:update.c

示例17: convert_from_old

static int
convert_from_old(const char *pkg_add_dbdir, bool dry_run)
{
	DIR *d;
	struct dirent *dp;
	struct pkg *p = NULL;
	char path[MAXPATHLEN];
	struct pkgdb *db = NULL;

	if ((d = opendir(pkg_add_dbdir)) == NULL)
		err(EX_NOINPUT, "%s", pkg_add_dbdir);

	if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK) {
		return (EX_IOERR);
	}
	while ((dp = readdir(d)) != NULL) {
		if (dp->d_type == DT_DIR) {
			if (strcmp(dp->d_name, ".") == 0 ||
			    strcmp(dp->d_name, "..") == 0)
				continue;
			if (p == NULL) {
				if (pkg_new(&p, PKG_OLD_FILE) != EPKG_OK)
					err(EX_OSERR, "malloc");
			} else
				pkg_reset(p, PKG_OLD_FILE);
			printf("Converting %s...\n", dp->d_name);
			snprintf(path, MAXPATHLEN, "%s/%s", pkg_add_dbdir, dp->d_name);
			if (pkg_old_load_from_path(p, path) != EPKG_OK) {
				fprintf(stderr, "Skipping invalid package: %s\n", path);
				continue;
			}
			pkg_from_old(p);
			if (!dry_run)
				pkgdb_register_ports(db, p);
		}
	}

	pkg_free(p);
	pkgdb_close(db);
	return (EX_OK);
}

开发者ID:DarknessWarrior，项目名称:pkg，代码行数:41，代码来源:convert.c

示例18: exec_backup

int
exec_backup(int argc, char **argv)
{
	struct pkgdb  *db = NULL;
	char *dest = NULL;

	if (argc < 2 || argc > 3 || argv[1][0] != '-') {
		usage_backup();
		return (EX_USAGE);
	}

	if (argc == 3)
		dest = argv[2];

	if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK)
		return (EX_IOERR);

	if (argv[1][1] == 'd') {
		if (isatty(fileno(stdin)))
				printf("Dumping database...\n");
		if (pkgdb_dump(db, dest) == EPKG_FATAL)
			return (EX_IOERR);

		if (isatty(fileno(stdin)))
			printf("done\n");
	}

	if (argv[1][1] == 'r') {
		if (isatty(fileno(stdin)))
			printf("Restoring database...\n");
		if (pkgdb_load(db, dest) == EPKG_FATAL)
			return (EX_IOERR);
		if (isatty(fileno(stdin)))
			printf("done\n");
	}

	pkgdb_close(db);

	return (EX_OK);
}

开发者ID:aklv，项目名称:pkgng，代码行数:40，代码来源:backup.c

示例19: ldhdr

static Header ldhdr(const struct pkg *pkg, void *foo) 
{
    struct pm_ctx    *pmctx;
    struct pkgdb     *db;
    struct pkgdb_it  it;
    const struct pm_dbrec *dbrec;
    Header              h = NULL;

    foo = foo;
    n_assert(pkg->recno > 0);
    
    if (pkg->pkgdir == NULL)
        return NULL;

    pmctx = pkg->pkgdir->mod_data;
    if (pkg->pkgdir->mod_data == NULL) /* pkgdir are saved now  */
        pmctx = pm_new("rpm");
    
    db = pkgdb_open(pmctx, "/", pkg->pkgdir->idxpath,
                    O_RDONLY, NULL);
    if (db == NULL)
        return NULL;
    
    pkgdb_it_init(db, &it, PMTAG_RECNO, (const char*)&pkg->recno);
    dbrec = pkgdb_it_get(&it);
    
    // rpm's error: rpmdb_it_get_count(&it) with RECNO is always 0 
    if (dbrec && dbrec->hdr)
        h = pm_rpmhdr_link(dbrec->hdr);

    pkgdb_it_destroy(&it);
    pkgdb_free(db);
    if (pkg->pkgdir->mod_data == NULL)
        pm_free(pmctx);
    return h;
}

开发者ID:megabajt，项目名称:poldek，代码行数:36，代码来源:rpmdb.c

示例20: exec_query

int
exec_query(int argc, char **argv)
{
	struct pkgdb *db = NULL;
	struct pkgdb_it *it = NULL;
	struct pkg *pkg = NULL;
	char *pkgname = NULL;
	int query_flags = PKG_LOAD_BASIC;
	match_t match = MATCH_EXACT;
	int ch;
	int ret = EPKG_OK;
	int retcode = EXIT_SUCCESS;
	int i;
	char multiline = 0;

	while ((ch = getopt(argc, argv, "agxXf:")) != -1) {
		switch (ch) {
			case 'a':
				match = MATCH_ALL;
				break;
			case 'g':
				match = MATCH_GLOB;
				break;
			case 'x':
				match = MATCH_REGEX;
				break;
			case 'X':
				match = MATCH_EREGEX;
				break;
			case 'f':
				pkgname = optarg;
				break;
			default:
				usage_query();
				return (EX_USAGE);
		}
	}

	argc -= optind;
	argv += optind;

	if (argc == 0) {
		usage_query();
		return (EX_USAGE);
	}

	if ((argc == 1) ^ (match == MATCH_ALL) && pkgname == NULL) {
		usage_query();
		return (EX_USAGE);
	}

	if (analyse_query_string(argv[0], &query_flags, &multiline) != EPKG_OK)
		return (EX_USAGE);

	if (pkgname != NULL) {
		if (pkg_open(&pkg, pkgname, NULL) != EPKG_OK) {
			return (1);
		}
		
		print_query(pkg, argv[0], multiline);
		pkg_free(pkg);
		return (0);
	}

	if (pkgdb_open(&db, PKGDB_DEFAULT) != EPKG_OK)
		return (EX_IOERR);

	if (match == MATCH_ALL) {
		if ((it = pkgdb_query(db, NULL, match)) == NULL)
			return (EX_IOERR);

		while ((ret = pkgdb_it_next(it, &pkg, query_flags)) == EPKG_OK)
			print_query(pkg, argv[0],  multiline);

		if (ret != EPKG_END)
			retcode = EX_SOFTWARE;

		pkgdb_it_free(it);
	} else {
		for (i = 1; i < argc; i++) {
			pkgname = argv[i];

			if ((it = pkgdb_query(db, pkgname, match)) == NULL)
				return (EX_IOERR);

			while ((ret = pkgdb_it_next(it, &pkg, query_flags)) == EPKG_OK)
				print_query(pkg, argv[0], multiline);

			if (ret != EPKG_END) {
				retcode = EX_SOFTWARE;
				break;
			}

			pkgdb_it_free(it);
		}
	}

	pkg_free(pkg);
	pkgdb_close(db);

//.........这里部分代码省略.........

开发者ID:culot，项目名称:pkgng，代码行数:101，代码来源:query.c

注：本文中的pkgdb_open函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ pkgdb_open函数代码示例

示例1: fix_deps

示例2: ldhdr_bynevr

示例3: ldhdr_byrecno

示例4: exec_backup

示例5: delete1pkg

示例6: fix_deps

示例7: exec_add

示例8: pkg_create_matches

示例9: exec_stats

示例10: exec_shlib

示例11: load_db_packages

示例12: do_open

示例13: pkgdb_dump

示例14: getdb

示例15: exec_which

示例16: remote_add_indexes

示例17: convert_from_old

示例18: exec_backup

示例19: ldhdr

示例20: exec_query

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