/* pkg_depends.c - the opkg package management system
Steven M. Ayer
-
+
Copyright (C) 2002 Compaq Computer Corporation
This program is free software; you can redistribute it and/or
return 0;
}
-/* returns ndependencies or negative error value */
+/* returns ndependencies or negative error value */
int
pkg_hash_fetch_unsatisfied_dependencies(pkg_t * pkg, pkg_vec_t *unsatisfied,
char *** unresolved)
char ** the_lost;
abstract_pkg_t * ab_pkg;
- /*
- * this is a setup to check for redundant/cyclic dependency checks,
+ /*
+ * this is a setup to check for redundant/cyclic dependency checks,
* which are marked at the abstract_pkg level
*/
if (!(ab_pkg = pkg->parent)) {
if (ab_pkg->dependencies_checked) { /* avoid duplicate or cyclic checks */
*unresolved = NULL;
return 0;
- } else {
+ } else {
ab_pkg->dependencies_checked = 1; /* mark it for subsequent visits */
}
/**/
}
the_lost = NULL;
-
+
/* foreach dependency */
for (i = 0; i < count; i++) {
compound_depend_t * compound_depend = &pkg->depends[i];
abstract_pkg_t *abpkg = possible_satisfiers[j]->pkg;
abstract_pkg_vec_t *ab_provider_vec = abpkg->provided_by;
int nposs = ab_provider_vec->len;
- abstract_pkg_t **ab_providers = ab_provider_vec->pkgs;
+ abstract_pkg_t **ab_providers = ab_provider_vec->pkgs;
int l;
for (l = 0; l < nposs; l++) {
pkg_vec_t *test_vec = ab_providers[l]->pkgs;
if (!test_vec){ /* no pkg_vec hooked up to the abstract_pkg! (need another feed?) */
continue;
}
-
+
/* cruise this possiblity's pkg_vec looking for an installed version */
for (k = 0; k < test_vec->len; k++) {
pkg_t *pkg_scout = test_vec->pkgs[k];
/* foreach provided_by, which includes the abstract_pkg itself */
depend_t *dependence_to_satisfy = possible_satisfiers[j];
abstract_pkg_t *satisfying_apkg = possible_satisfiers[j]->pkg;
- pkg_t *satisfying_pkg =
- pkg_hash_fetch_best_installation_candidate(satisfying_apkg,
- pkg_installed_and_constraint_satisfied,
+ pkg_t *satisfying_pkg =
+ pkg_hash_fetch_best_installation_candidate(satisfying_apkg,
+ pkg_installed_and_constraint_satisfied,
dependence_to_satisfy, 1);
/* Being that I can't test constraing in pkg_hash, I will test it here */
if (satisfying_pkg != NULL) {
/* foreach provided_by, which includes the abstract_pkg itself */
depend_t *dependence_to_satisfy = possible_satisfiers[j];
abstract_pkg_t *satisfying_apkg = possible_satisfiers[j]->pkg;
- pkg_t *satisfying_pkg =
- pkg_hash_fetch_best_installation_candidate(satisfying_apkg,
- pkg_constraint_satisfied,
+ pkg_t *satisfying_pkg =
+ pkg_hash_fetch_best_installation_candidate(satisfying_apkg,
+ pkg_constraint_satisfied,
dependence_to_satisfy, 1);
/* Being that I can't test constraing in pkg_hash, I will test it here too */
if (satisfying_pkg != NULL) {
pkg->name, satisfier_entry_pkg->name);
} else {
char ** newstuff = NULL;
-
+
if (satisfier_entry_pkg != pkg &&
!is_pkg_in_pkg_vec(unsatisfied, satisfier_entry_pkg)) {
pkg_vec_insert(unsatisfied, satisfier_entry_pkg);
return unsatisfied->len;
}
-/*checking for conflicts !in replaces
- If a packages conflicts with another but is also replacing it, I should not consider it a
- really conflicts
- returns 0 if conflicts <> replaces or 1 if conflicts == replaces
+/*checking for conflicts !in replaces
+ If a packages conflicts with another but is also replacing it, I should not consider it a
+ really conflicts
+ returns 0 if conflicts <> replaces or 1 if conflicts == replaces
*/
static int
is_pkg_a_replaces(pkg_t *pkg_scout,pkg_t *pkg)
int i, j, k;
int count;
abstract_pkg_t * ab_pkg;
- pkg_t **pkg_scouts;
- pkg_t *pkg_scout;
+ pkg_t **pkg_scouts;
+ pkg_t *pkg_scout;
- /*
- * this is a setup to check for redundant/cyclic dependency checks,
+ /*
+ * this is a setup to check for redundant/cyclic dependency checks,
* which are marked at the abstract_pkg level
*/
if(!(ab_pkg = pkg->parent)){
pkg_scout = pkg_scouts[k];
if (!pkg_scout) {
opkg_msg(ERROR, "Internal error: pkg_scout=NULL\n");
- continue;
+ continue;
}
if ((pkg_scout->state_status == SS_INSTALLED || pkg_scout->state_want == SW_INSTALL) &&
version_constraints_satisfied(possible_satisfier, pkg_scout) && !is_pkg_a_replaces(pkg_scout,pkg)){
free (temp->version);
free(temp);
- if((depends->constraint == EARLIER) &&
+ if((depends->constraint == EARLIER) &&
(comparison < 0))
return 1;
- else if((depends->constraint == LATER) &&
+ else if((depends->constraint == LATER) &&
(comparison > 0))
return 1;
else if(comparison == 0)
return 1;
- else if((depends->constraint == LATER_EQUAL) &&
+ else if((depends->constraint == LATER_EQUAL) &&
(comparison >= 0))
return 1;
- else if((depends->constraint == EARLIER_EQUAL) &&
+ else if((depends->constraint == EARLIER_EQUAL) &&
(comparison <= 0))
return 1;
-
+
return 0;
}
int n_providers = provider_apkgs->len;
abstract_pkg_t **apkgs = provider_apkgs->pkgs;
pkg_vec_t *pkg_vec;
- int n_pkgs ;
+ int n_pkgs ;
int i;
int j;
return result;
}
-/*
+/*
* a kinda kludgy way to back out depends str from two different arrays (reg'l'r 'n pre)
- * this is null terminated, no count is carried around
+ * this is null terminated, no count is carried around
*/
char ** add_unresolved_dep(pkg_t * pkg, char ** the_lost, int ref_ndx)
{
resized = xrealloc(the_lost, sizeof(char *) * (count + 1));
resized[count - 1] = pkg_depend_str(pkg, ref_ndx);
resized[count] = NULL;
-
+
return resized;
}
return str;
}
-/*
- * WARNING: This function assumes pre_depends and depends are at the
- * start of the pkg->depends array.
- */
void buildDependedUponBy(pkg_t * pkg, abstract_pkg_t * ab_pkg)
{
- compound_depend_t * depends;
- int count, othercount;
- int i, j;
- abstract_pkg_t * ab_depend;
- abstract_pkg_t ** temp;
+ compound_depend_t * depends;
+ int count, othercount;
+ int i, j;
+ abstract_pkg_t * ab_depend;
+ abstract_pkg_t ** temp;
+
+ count = pkg->pre_depends_count +
+ pkg->depends_count +
+ pkg->recommends_count +
+ pkg->suggests_count;
+
+ for (i = 0; i < count; i++) {
+ depends = &pkg->depends[i];
+ if (depends->type != PREDEPEND
+ && depends->type != DEPEND
+ && depends->type != RECOMMEND)
+ continue;
+ for (j = 0; j < depends->possibility_count; j++) {
+ ab_depend = depends->possibilities[j]->pkg;
+ if (!ab_depend->depended_upon_by) {
+ ab_depend->depended_upon_by =
+ xcalloc(1, sizeof(abstract_pkg_t *));
+ }
- count = pkg->pre_depends_count + pkg->depends_count;
- depends = pkg->depends;
+ temp = ab_depend->depended_upon_by;
+ othercount = 1;
+ while (*temp) {
+ temp++;
+ othercount++;
+ }
+ *temp = ab_pkg;
- for (i = 0; i < count; i++) {
- for (j = 0; j < depends->possibility_count; j++){
- ab_depend = depends->possibilities[j]->pkg;
- if(!ab_depend->depended_upon_by)
- ab_depend->depended_upon_by = xcalloc(1, sizeof(abstract_pkg_t *));
-
- temp = ab_depend->depended_upon_by;
- othercount = 1;
- while(*temp){
- temp++;
- othercount++;
- }
- *temp = ab_pkg;
+ ab_depend->depended_upon_by =
+ xrealloc(ab_depend->depended_upon_by,
+ (othercount + 1) * sizeof(abstract_pkg_t *));
- ab_depend->depended_upon_by = xrealloc(ab_depend->depended_upon_by,
- (othercount + 1) * sizeof(abstract_pkg_t *));
- /* the array may have moved */
- temp = ab_depend->depended_upon_by + othercount;
- *temp = NULL;
- }
- depends++;
- }
+ /* the array may have been moved by realloc */
+ temp = ab_depend->depended_upon_by + othercount;
+ *temp = NULL;
+ }
+ }
}
static depend_t * depend_init(void)
{
- depend_t * d = xcalloc(1, sizeof(depend_t));
+ depend_t * d = xcalloc(1, sizeof(depend_t));
d->constraint = NONE;
d->version = NULL;
d->pkg = NULL;
-
+
return d;
}
-static int parseDepends(compound_depend_t *compound_depend,
+static int parseDepends(compound_depend_t *compound_depend,
char * depend_str)
{
char * pkg_name, buffer[2048];
*dest++ = *src++;
*dest = '\0';
pkg_name = trim_xstrdup(buffer);
-
+
/* now look at possible version info */
-
+
/* skip to next chars */
if(isspace(*src))
while(*src && isspace(*src)) src++;
}
else if(!strncmp(src, ">", 1)){
possibilities[i]->constraint = LATER_EQUAL;
- src++;
+ src++;
}
/* now we have any constraint, pass space to version string */
possibilities[i]->pkg = ensure_abstract_pkg_by_name(pkg_name);
free(pkg_name);
-
+
/* now get past the ) and any possible | chars */
while(*src &&
(isspace(*src) ||
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