120 lines
2.5 KiB
C
120 lines
2.5 KiB
C
/*
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* queue.c
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* compilation of a list of packages into a world dependency set
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*
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* Copyright (c) 2012 pkgconf authors (see AUTHORS).
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* This software is provided 'as is' and without any warranty, express or
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* implied. In no event shall the authors be liable for any damages arising
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* from the use of this software.
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*/
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#include "pkg.h"
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#include "bsdstubs.h"
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pkg_queue_t *
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pkg_queue_push(pkg_queue_t *parent, const char *package)
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{
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pkg_queue_t *pkgq = calloc(sizeof(pkg_queue_t), 1);
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pkgq->package = strdup(package);
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pkgq->prev = parent;
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if (pkgq->prev != NULL)
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pkgq->prev->next = pkgq;
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return pkgq;
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}
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bool
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pkg_queue_compile(pkg_t *world, pkg_queue_t *head)
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{
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pkg_queue_t *pkgq;
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PKG_FOREACH_LIST_ENTRY(head, pkgq)
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{
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pkg_dependency_t *pkgdep;
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pkgdep = pkg_dependency_parse(world, pkgq->package);
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if (pkgdep != NULL)
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world->requires = pkg_dependency_append(world->requires, pkgdep);
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else
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return false;
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}
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return true;
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}
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void
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pkg_queue_free(pkg_queue_t *head)
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{
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pkg_queue_t *pkgq, *next_pkgq;
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PKG_FOREACH_LIST_ENTRY_SAFE(head, next_pkgq, pkgq)
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{
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free(pkgq->package);
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free(pkgq);
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}
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}
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static inline unsigned int
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pkg_queue_verify(pkg_t *world, pkg_queue_t *head, int maxdepth, unsigned int flags)
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{
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if (!pkg_queue_compile(world, head))
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return PKG_ERRF_DEPGRAPH_BREAK;
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return pkg_verify_graph(world, maxdepth, flags);
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}
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bool
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pkg_queue_apply(pkg_queue_t *head, pkg_queue_apply_func_t func, int maxdepth, unsigned int flags, void *data)
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{
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pkg_t world = {
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.id = "world",
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.realname = "virtual world package",
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.flags = PKG_PROPF_VIRTUAL,
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};
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/* if maxdepth is one, then we will not traverse deeper than our virtual package. */
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if (!maxdepth)
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maxdepth = -1;
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if (pkg_queue_verify(&world, head, maxdepth, flags) != PKG_ERRF_OK)
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return false;
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if (!func(&world, data, maxdepth, flags))
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{
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pkg_free(&world);
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return false;
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}
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pkg_free(&world);
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return true;
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}
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bool
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pkg_queue_validate(pkg_queue_t *head, int maxdepth, unsigned int flags)
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{
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bool retval = true;
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pkg_t world = {
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.id = "world",
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.realname = "virtual world package",
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.flags = PKG_PROPF_VIRTUAL,
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};
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/* if maxdepth is one, then we will not traverse deeper than our virtual package. */
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if (!maxdepth)
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maxdepth = -1;
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if (pkg_queue_verify(&world, head, maxdepth, flags) != PKG_ERRF_OK)
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retval = false;
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pkg_free(&world);
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return retval;
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}
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