sqlite_callbacks.c

/*
 * Copyright (c) 2009-2015 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Emile "iMil" Heitor <imil@NetBSD.org> .
 *
 * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 "pkgin.h"

/** 
 * SQLite callback, record package list
 */
int
pdb_rec_list(void *param, int argc, char **argv, char **colname)
{
	Pkglist	   	*plist;
	Plistnumbered	*plisthead = (Plistnumbered *)param;
	int		i;

	if (argv == NULL)
		return PDB_ERR;

	/* FULLPKGNAME was empty, probably a package installed
	 * from pkgsrc or wip that does not exist in
	 * pkg_summary(5), return
	 */
	if (argv[0] == NULL)
		return PDB_ERR;

	plist = malloc_pkglist();

	/*
	 * rec_pkglist is used for convenience for REQUIRES / PROVIDES
	 * otherwise contains FULLPKGNAME
	 */
	plist->full = xstrdup(argv[0]);

	for (i = 1; i < argc; i++) {
		if (argv[i] == NULL)
			continue;

		if (strcmp(colname[i], "PKGNAME") == 0)
			plist->name = xstrdup(argv[i]);
		if (strcmp(colname[i], "PKGVERS") == 0)
			plist->version = xstrdup(argv[i]);
		if (strcmp(colname[i], "BUILD_DATE") == 0)
			plist->build_date = xstrdup(argv[i]);
		if (strcmp(colname[i], "COMMENT") == 0)
			plist->comment = xstrdup(argv[i]);
		if (strcmp(colname[i], "PKGPATH") == 0)
			plist->pkgpath = xstrdup(argv[i]);
		if (strcmp(colname[i], "CATEGORIES") == 0)
			plist->category = xstrdup(argv[i]);
		if (strcmp(colname[i], "FILE_SIZE") == 0)
			plist->file_size = strtol(argv[i], (char **)NULL, 10);
		if (strcmp(colname[i], "SIZE_PKG") == 0)
			plist->size_pkg = strtol(argv[i], (char **)NULL, 10);
	}

	SLIST_INSERT_HEAD(plisthead->P_Plisthead, plist, next);
	plisthead->P_count++;

	return PDB_OK;
}

/* dewey for direct deps, full pkgname for reverse deps*/
#define DEPS_FULLPKG		argv[0]
/* pkgname for direct deps and reverse deps */
#define DEPS_PKGNAME		argv[1]
#define PKG_KEEP		argv[2]
/**
 * sqlite callback
 * DIRECT_DEPS or REVERSE_DEPS result, feeds a Pkglist SLIST
 * Plisthead is the head of Pkglist
 */
int
pdb_rec_depends(void *param, int argc, char **argv, char **colname)
{
	Pkglist		*deptree, *pdp, *pkg_map;
	Plisthead	*pdphead = (Plisthead *)param, *plisthead;

	if (argv == NULL)
		return PDB_ERR;

	/* check if dependency is already recorded, do not insert on list  */
	SLIST_FOREACH(pdp, pdphead, next)
		if (strcmp(DEPS_PKGNAME, pdp->name) == 0) {
			TRACE(" < dependency %s already recorded\n", pdp->name);
			/* proceed to next result */
			return PDB_OK;
		}

	deptree = malloc_pkglist();
	deptree->depend = xstrdup(DEPS_FULLPKG);

	/* unresolved pkgname because of complex dependency glob */
	if (non_trivial_glob(DEPS_FULLPKG)) {
		/* check wether we're getting local or remote dependencies */
		if (strncmp(colname[0], "LOCAL_", 6) == 0)
			plisthead = &l_plisthead;
		else
			plisthead = &r_plisthead;

		/* map corresponding pkgname */
		if ((pkg_map = map_pkg_to_dep(plisthead, deptree->depend)) != NULL)
			deptree->name = xstrdup(pkg_map->name);
		else
			/* some dependencies just don't match anything */
			deptree->name = xstrdup(DEPS_PKGNAME);
	} else
		/* case handled by get_pkgname_from_depend() */
		deptree->name = xstrdup(DEPS_PKGNAME);

	deptree->level = 0;
	/* used in LOCAL_REVERSE_DEPS / autoremove.c */
	if (argc > 2 && PKG_KEEP != NULL)
		deptree->keep = 1;
	else
		deptree->keep = 0;

	SLIST_INSERT_HEAD(pdphead, deptree, next);

	return PDB_OK;
}