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dependency: add a reference to dependency when adding to graph 

This makes internal uses more annoying, but fixes a potential bug in
libpkgconf where there are two pointers (one returned and on in the
graph), but only one refcount.
Dylan Baker 2022-07-27 11:46:59 -07:00
parent 7cd86508a3
commit 2f5a2c56d4
2 changed files with 7 additions and 4 deletions
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8
libpkgconf/dependency.c
View File

@ -113,7 +113,7 @@ add_or_replace_dependency_node(pkgconf_client_t *client, pkgconf_dependency_t *d
}
PKGCONF_TRACE(client, "added dependency [%s] to list @%p; flags=%x", dependency_to_str(dep, depbuf, sizeof depbuf), list, dep->flags);
pkgconf_node_insert_tail(&dep->iter, dep, list);
pkgconf_node_insert_tail(&dep->iter, pkgconf_dependency_ref(dep->owner, dep), list);
return pkgconf_dependency_ref(dep->owner, dep);
}
@ -357,7 +357,8 @@ pkgconf_dependency_parse_str(pkgconf_client_t *client, pkgconf_list_t *deplist_h
if (state == OUTSIDE_MODULE)
{
pkgconf_dependency_addraw(client, deplist_head, package, package_sz, NULL, 0, compare, flags);
pkgconf_dependency_t *dep = pkgconf_dependency_addraw(client, deplist_head, package, package_sz, NULL, 0, compare, flags);
pkgconf_dependency_unref(dep->owner, dep);
compare = PKGCONF_CMP_ANY;
package_sz = 0;
@ -401,7 +402,8 @@ pkgconf_dependency_parse_str(pkgconf_client_t *client, pkgconf_list_t *deplist_h
version_sz = ptr - vstart;
state = OUTSIDE_MODULE;
pkgconf_dependency_addraw(client, deplist_head, package, package_sz, version, version_sz, compare, flags);
pkgconf_dependency_t *dep = pkgconf_dependency_addraw(client, deplist_head, package, package_sz, version, version_sz, compare, flags);
pkgconf_dependency_unref(dep->owner, dep);
compare = PKGCONF_CMP_ANY;
cnameptr = cmpname;

3
libpkgconf/pkg.c
View File

@ -453,7 +453,8 @@ pkgconf_pkg_new_from_file(pkgconf_client_t *client, const char *filename, FILE *
return NULL;
}
pkgconf_dependency_add(client, &pkg->provides, pkg->id, pkg->version, PKGCONF_CMP_EQUAL, 0);
pkgconf_dependency_t *dep = pkgconf_dependency_add(client, &pkg->provides, pkg->id, pkg->version, PKGCONF_CMP_EQUAL, 0);
pkgconf_dependency_unref(dep->owner, dep);
return pkgconf_pkg_ref(client, pkg);
}