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New _alpm_find_dep_satisfier function

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This function finds the first satisfier package in a pkglist. Using it
instead of _alpm_find_dep_satisfiers eliminates some memleaks and it is
faster. (_alpm_find_dep_satisfiers and _alpm_find_pkg_satisfiers will be
removed soon.)

Signed-off-by: Nagy Gabor <ngaba@bibl.u-szeged.hu>
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Nagy Gabor 2008-07-04 15:39:26 +02:00 committed by Dan McGee
parent f7199f36ba
commit 616b5967b8
2 changed files with 20 additions and 6 deletions
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25
lib/libalpm/deps.c
View File

@ -189,6 +189,19 @@ alpm_list_t *_alpm_sortbydeps(alpm_list_t *targets, int reverse)
return(newtargs);
}
pmpkg_t *_alpm_find_dep_satisfier(alpm_list_t *pkgs, pmdepend_t *dep)
{
alpm_list_t *i;
for(i = pkgs; i; i = alpm_list_next(i)) {
pmpkg_t *pkg = i->data;
if(alpm_depcmp(pkg, dep)) {
return(pkg);
}
}
return(NULL);
}
alpm_list_t *_alpm_find_dep_satisfiers(alpm_list_t *pkgs, pmdepend_t *dep)
{
alpm_list_t *i, *ret = NULL;
@ -232,7 +245,7 @@ alpm_list_t SYMEXPORT *alpm_deptest(pmdb_t *db, alpm_list_t *targets)
target = alpm_list_getdata(i);
dep = _alpm_splitdep(target);
if(!_alpm_find_dep_satisfiers(_alpm_db_get_pkgcache(db), dep)) {
if(!_alpm_find_dep_satisfier(_alpm_db_get_pkgcache(db), dep)) {
ret = alpm_list_add(ret, target);
}
_alpm_dep_free(dep);
@ -283,8 +296,8 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
pmdepend_t *depend = j->data;
/* 1. we check the upgrade list */
/* 2. we check database for untouched satisfying packages */
if(!_alpm_find_dep_satisfiers(upgrade, depend) &&
!_alpm_find_dep_satisfiers(dblist, depend)) {
if(!_alpm_find_dep_satisfier(upgrade, depend) &&
!_alpm_find_dep_satisfier(dblist, depend)) {
/* Unsatisfied dependency in the upgrade list */
char *missdepstring = alpm_dep_get_string(depend);
_alpm_log(PM_LOG_DEBUG, "checkdeps: missing dependency '%s' for package '%s'\n",
@ -303,13 +316,13 @@ alpm_list_t SYMEXPORT *alpm_checkdeps(pmdb_t *db, int reversedeps,
pmpkg_t *lp = i->data;
for(j = alpm_pkg_get_depends(lp); j; j = j->next) {
pmdepend_t *depend = j->data;
pmpkg_t *causingpkg = alpm_list_getdata(_alpm_find_dep_satisfiers(modified, depend));
pmpkg_t *causingpkg = _alpm_find_dep_satisfier(modified, depend);
/* we won't break this depend, if it is already broken, we ignore it */
/* 1. check upgrade list for satisfiers */
/* 2. check dblist for satisfiers */
if(causingpkg &&
!_alpm_find_dep_satisfiers(upgrade, depend) &&
!_alpm_find_dep_satisfiers(dblist, depend)) {
!_alpm_find_dep_satisfier(upgrade, depend) &&
!_alpm_find_dep_satisfier(dblist, depend)) {
char *missdepstring = alpm_dep_get_string(depend);
_alpm_log(PM_LOG_DEBUG, "checkdeps: transaction would break '%s' dependency of '%s'\n",
missdepstring, alpm_pkg_get_name(lp));

1
lib/libalpm/deps.h
View File

@ -52,6 +52,7 @@ int _alpm_resolvedeps(pmdb_t *local, alpm_list_t *dbs_sync, pmpkg_t *syncpkg,
**data);
int _alpm_dep_edge(pmpkg_t *pkg1, pmpkg_t *pkg2);
pmdepend_t *_alpm_splitdep(const char *depstring);
pmpkg_t *_alpm_find_dep_satisfier(alpm_list_t *pkgs, pmdepend_t *dep);
alpm_list_t *_alpm_find_dep_satisfiers(alpm_list_t *pkgs, pmdepend_t *dep);
#endif /* _ALPM_DEPS_H */