s/dependences/dependencies/ Pointed out by klemmster in Issue 40.
[oweals/opkg-lede.git] / libopkg / pkg_depends.c
index 813ec6ad151f5bc0e2a8ec4296d11fd3d7a51c80..ee5e9b6d214fadc550b90c45df29a942b87ad8c5 100644 (file)
    General Public License for more details.
 */
 
-#include "includes.h"
-#include <errno.h>
+#include <stdio.h>
 #include <ctype.h>
-   
+
 #include "pkg.h"
 #include "opkg_utils.h"
 #include "pkg_hash.h"
@@ -27,7 +26,7 @@
 #include "hash_table.h"
 #include "libbb/libbb.h"
 
-static int parseDepends(compound_depend_t *compound_depend, hash_table_t * hash, char * depend_str);
+static int parseDepends(compound_depend_t *compound_depend, char * depend_str);
 static depend_t * depend_init(void);
 static char ** add_unresolved_dep(pkg_t * pkg, char ** the_lost, int ref_ndx);
 static char ** merge_unresolved(char ** oldstuff, char ** newstuff);
@@ -51,9 +50,10 @@ static int pkg_constraint_satisfied(pkg_t *pkg, void *cdata)
          return 0;
 }
 
-/* returns ndependences or negative error value */ 
-int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg, 
-                                           pkg_vec_t *unsatisfied, char *** unresolved)
+/* returns ndependencies or negative error value */ 
+int
+pkg_hash_fetch_unsatisfied_dependencies(pkg_t * pkg, pkg_vec_t *unsatisfied,
+               char *** unresolved)
 {
      pkg_t * satisfier_entry_pkg;
      int i, j, k;
@@ -66,7 +66,7 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
       * which are marked at the abstract_pkg level
       */
      if (!(ab_pkg = pkg->parent)) {
-         fprintf(stderr, "%s:%d: something terribly wrong with pkg %s\n", __FUNCTION__, __LINE__, pkg->name);
+         opkg_msg(ERROR, "Internal error, with pkg %s.\n", pkg->name);
          *unresolved = NULL;
          return 0;
      }
@@ -120,8 +120,7 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
                                   int rc;
                                   pkg_vec_t *tmp_vec = pkg_vec_alloc ();
                                   /* check for not-already-installed dependencies */
-                                  rc = pkg_hash_fetch_unsatisfied_dependencies(conf, 
-                                                                               pkg_scout, 
+                                  rc = pkg_hash_fetch_unsatisfied_dependencies(pkg_scout,
                                                                                tmp_vec,
                                                                                &newstuff);
                                   if (newstuff == NULL) {
@@ -131,18 +130,28 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
                                            pkg_t *p = tmp_vec->pkgs[m];
                                            if (p->state_want == SW_INSTALL)
                                                continue;
-                                           opkg_message(conf, OPKG_DEBUG, "not installing %s due to requirement for %s\n", pkg_scout->name, p->name);
+                                           opkg_msg(DEBUG,
+                                               "Not installing %s due"
+                                               " to requirement for %s.\n",
+                                               pkg_scout->name,
+                                               p->name);
                                            ok = 0;
                                            break;
                                        }
                                        pkg_vec_free (tmp_vec);
                                        if (ok) {
                                            /* mark this one for installation */
-                                           opkg_message(conf, OPKG_NOTICE, "Adding satisfier for greedy dependence: %s\n", pkg_scout->name);
+                                           opkg_msg(NOTICE,
+                                               "Adding satisfier for greedy"
+                                               " dependence %s.\n",
+                                               pkg_scout->name);
                                            pkg_vec_insert(unsatisfied, pkg_scout);
                                        }
                                   } else  {
-                                       opkg_message(conf, OPKG_DEBUG, "not installing %s due to broken depends \n", pkg_scout->name);
+                                       opkg_msg(DEBUG,
+                                               "Not installing %s due to "
+                                               "broken depends.\n",
+                                               pkg_scout->name);
                                        free (newstuff);
                                   }
                              }
@@ -159,16 +168,16 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
               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(conf, satisfying_apkg, 
+                   pkg_hash_fetch_best_installation_candidate(satisfying_apkg, 
                                                               pkg_installed_and_constraint_satisfied, 
-                                                              dependence_to_satisfy, 1, NULL);
+                                                              dependence_to_satisfy, 1);
                /* Being that I can't test constraing in pkg_hash, I will test it here */
               if (satisfying_pkg != NULL) {
                   if (!pkg_installed_and_constraint_satisfied ( satisfying_pkg,dependence_to_satisfy)) {
                      satisfying_pkg = NULL;
                   }
                }
-              opkg_message(conf, OPKG_DEBUG, "%s:%d: satisfying_pkg=%p \n", __FILE__, __LINE__, satisfying_pkg);
+              opkg_msg(DEBUG, "satisfying_pkg=%p\n", satisfying_pkg);
               if (satisfying_pkg != NULL) {
                    found = 1;
                    break;
@@ -183,9 +192,9 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
                    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(conf, satisfying_apkg, 
+                        pkg_hash_fetch_best_installation_candidate(satisfying_apkg, 
                                                                    pkg_constraint_satisfied, 
-                                                                   dependence_to_satisfy, 1, NULL);
+                                                                   dependence_to_satisfy, 1);
                     /* Being that I can't test constraing in pkg_hash, I will test it here too */
                    if (satisfying_pkg != NULL) {
                          if (!pkg_constraint_satisfied ( satisfying_pkg,dependence_to_satisfy)) {
@@ -197,12 +206,13 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
                    if (satisfying_pkg != NULL
                        && (compound_depend->type == RECOMMEND || compound_depend->type == SUGGEST)
                        && (satisfying_pkg->state_want == SW_DEINSTALL || satisfying_pkg->state_want == SW_PURGE)) {
-                        opkg_message (conf, OPKG_NOTICE, "%s: ignoring recommendation for %s at user request\n",
-                                      pkg->name, satisfying_pkg->name);
+                        opkg_msg(NOTICE, "%s: ignoring recommendation for "
+                                       "%s at user request\n",
+                                       pkg->name, satisfying_pkg->name);
                         continue;
                    }
 
-                   opkg_message(conf, OPKG_DEBUG, "%s:%d: satisfying_pkg=%p\n", __FILE__, __LINE__, satisfying_pkg);
+                   opkg_msg(DEBUG, "satisfying_pkg=%p\n", satisfying_pkg);
                    if (satisfying_pkg != NULL) {
                         satisfier_entry_pkg = satisfying_pkg;
                         break;
@@ -217,25 +227,28 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
                    if (compound_depend->type != RECOMMEND && compound_depend->type != SUGGEST)
                         the_lost = add_unresolved_dep(pkg, the_lost, i);
                    else
-                        opkg_message (conf, OPKG_NOTICE, "%s: unsatisfied recommendation for %s\n",
-                                      pkg->name, compound_depend->possibilities[0]->pkg->name);
+                        opkg_msg(NOTICE,
+                               "%s: unsatisfied recommendation for %s\n",
+                               pkg->name,
+                               compound_depend->possibilities[0]->pkg->name);
               }
               else {
                    if (compound_depend->type == SUGGEST) {
                         /* just mention it politely */
-                        opkg_message (conf, OPKG_NOTICE, "package %s suggests installing %s\n",
-                                      pkg->name, satisfier_entry_pkg->name);
+                        opkg_msg(NOTICE, "package %s suggests installing %s\n",
+                               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);
-                             pkg_hash_fetch_unsatisfied_dependencies(conf, 
-                                                                     satisfier_entry_pkg, 
+                             pkg_hash_fetch_unsatisfied_dependencies(satisfier_entry_pkg,
                                                                      unsatisfied,
                                                                      &newstuff);
                              the_lost = merge_unresolved(the_lost, newstuff);
+                             if (newstuff)
+                                  free(newstuff);
                         }
                    }
               }
@@ -251,7 +264,8 @@ int pkg_hash_fetch_unsatisfied_dependencies(opkg_conf_t *conf, pkg_t * pkg,
   really conflicts 
   returns 0 if conflicts <> replaces or 1 if conflicts == replaces 
 */
-int is_pkg_a_replaces(pkg_t *pkg_scout,pkg_t *pkg)
+static int
+is_pkg_a_replaces(pkg_t *pkg_scout,pkg_t *pkg)
 {
     int i ;
     int replaces_count = pkg->replaces_count;
@@ -264,7 +278,8 @@ int is_pkg_a_replaces(pkg_t *pkg_scout,pkg_t *pkg)
 
     for (i = 0; i < replaces_count; i++) {
         if (strcmp(pkg_scout->name,pkg->replaces[i]->name)==0) {      // Found
-            opkg_message(NULL, OPKG_DEBUG2, "Seems I've found a replace %s %s \n",pkg_scout->name,pkg->replaces[i]->name);
+            opkg_msg(DEBUG2, "Seems I've found a replace %s %s\n",
+                       pkg_scout->name, pkg->replaces[i]->name);
             return 1;
         }
     }
@@ -273,8 +288,7 @@ int is_pkg_a_replaces(pkg_t *pkg_scout,pkg_t *pkg)
 }
 
 
-/* Abhaya: added support for conflicts */
-pkg_vec_t * pkg_hash_fetch_conflicts(hash_table_t * hash, pkg_t * pkg)
+pkg_vec_t * pkg_hash_fetch_conflicts(pkg_t * pkg)
 {
     pkg_vec_t * installed_conflicts, * test_vec;
     compound_depend_t * conflicts;
@@ -291,7 +305,7 @@ pkg_vec_t * pkg_hash_fetch_conflicts(hash_table_t * hash, pkg_t * pkg)
      * which are marked at the abstract_pkg level
      */
     if(!(ab_pkg = pkg->parent)){
-       fprintf(stderr, "dependency check error.  pkg %s isn't in hash table\n", pkg->name);
+       opkg_msg(ERROR, "Internal error: %s not in hash table\n", pkg->name);
        return (pkg_vec_t *)NULL;
     }
 
@@ -314,9 +328,9 @@ pkg_vec_t * pkg_hash_fetch_conflicts(hash_table_t * hash, pkg_t * pkg)
        for(j = 0; j < conflicts->possibility_count; j++){
             possible_satisfier = possible_satisfiers[j];
             if (!possible_satisfier)
-                fprintf(stderr, "%s:%d: possible_satisfier is null\n", __FUNCTION__, __LINE__);
+                opkg_msg(ERROR, "Internal error: possible_satisfier=NULL\n");
             if (!possible_satisfier->pkg)
-                fprintf(stderr, "%s:%d: possible_satisfier->pkg is null\n", __FUNCTION__, __LINE__);
+                opkg_msg(ERROR, "Internal error: possible_satisfier->pkg=NULL\n");
            test_vec = possible_satisfier->pkg->pkgs;
            if (test_vec) {
                 /* pkg_vec found, it is an actual package conflict
@@ -325,7 +339,7 @@ pkg_vec_t * pkg_hash_fetch_conflicts(hash_table_t * hash, pkg_t * pkg)
                for(k = 0; k < test_vec->len; k++){
                     pkg_scout = pkg_scouts[k];
                     if (!pkg_scout) {
-                        fprintf(stderr,  "%s: null pkg scout\n", __FUNCTION__);
+                        opkg_msg(ERROR,  "Internal error: pkg_scout=NULL\n");
                         continue; 
                     }
                    if ((pkg_scout->state_status == SS_INSTALLED || pkg_scout->state_want == SW_INSTALL) &&
@@ -381,7 +395,7 @@ int version_constraints_satisfied(depend_t * depends, pkg_t * pkg)
     return 0;
 }
 
-int pkg_dependence_satisfiable(opkg_conf_t *conf, depend_t *depend)
+int pkg_dependence_satisfiable(depend_t *depend)
 {
      abstract_pkg_t *apkg = depend->pkg;
      abstract_pkg_vec_t *provider_apkgs = apkg->provided_by;
@@ -408,7 +422,7 @@ int pkg_dependence_satisfiable(opkg_conf_t *conf, depend_t *depend)
      return 0;
 }
 
-int pkg_dependence_satisfied(opkg_conf_t *conf, depend_t *depend)
+int pkg_dependence_satisfied(depend_t *depend)
 {
      abstract_pkg_t *apkg = depend->pkg;
      abstract_pkg_vec_t *provider_apkgs = apkg->provided_by;
@@ -562,7 +576,7 @@ char ** add_unresolved_dep(pkg_t * pkg, char ** the_lost, int ref_ndx)
     return resized;
 }
 
-void buildProvides(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
+void buildProvides(abstract_pkg_t * ab_pkg, pkg_t * pkg)
 {
     int i;
 
@@ -573,7 +587,7 @@ void buildProvides(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
     pkg->provides[0] = ab_pkg;
 
     for (i=1; i<pkg->provides_count; i++) {
-       abstract_pkg_t *provided_abpkg = ensure_abstract_pkg_by_name(hash,
+       abstract_pkg_t *provided_abpkg = ensure_abstract_pkg_by_name(
                        pkg->provides_str[i-1]);
        free(pkg->provides_str[i-1]);
 
@@ -585,8 +599,7 @@ void buildProvides(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
        free(pkg->provides_str);
 }
 
-/* Abhaya: added conflicts support */
-void buildConflicts(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
+void buildConflicts(pkg_t * pkg)
 {
     int i;
     compound_depend_t * conflicts;
@@ -597,8 +610,7 @@ void buildConflicts(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
     conflicts = pkg->conflicts = xcalloc(pkg->conflicts_count, sizeof(compound_depend_t));
     for (i = 0; i < pkg->conflicts_count; i++) {
         conflicts->type = CONFLICTS;
-        parseDepends(conflicts, hash,
-                     pkg->conflicts_str[i]);
+        parseDepends(conflicts, pkg->conflicts_str[i]);
         free(pkg->conflicts_str[i]);
         conflicts++;
     }
@@ -606,7 +618,7 @@ void buildConflicts(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
        free(pkg->conflicts_str);
 }
 
-void buildReplaces(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
+void buildReplaces(abstract_pkg_t * ab_pkg, pkg_t * pkg)
 {
      int i;
 
@@ -616,7 +628,7 @@ void buildReplaces(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
      pkg->replaces = xcalloc(pkg->replaces_count, sizeof(abstract_pkg_t *));
 
      for(i = 0; i < pkg->replaces_count; i++){
-         abstract_pkg_t *old_abpkg = ensure_abstract_pkg_by_name(hash, pkg->replaces_str[i]);
+         abstract_pkg_t *old_abpkg = ensure_abstract_pkg_by_name(pkg->replaces_str[i]);
 
          pkg->replaces[i] = old_abpkg;
          free(pkg->replaces_str[i]);
@@ -634,9 +646,9 @@ void buildReplaces(hash_table_t * hash, abstract_pkg_t * ab_pkg, pkg_t * pkg)
             free(pkg->replaces_str);
 }
 
-void buildDepends(hash_table_t * hash, pkg_t * pkg)
+void buildDepends(pkg_t * pkg)
 {
-     int count;
+     unsigned int count;
      int i;
      compound_depend_t * depends;
 
@@ -646,7 +658,7 @@ void buildDepends(hash_table_t * hash, pkg_t * pkg)
      depends = pkg->depends = xcalloc(count, sizeof(compound_depend_t));
 
      for(i = 0; i < pkg->pre_depends_count; i++){
-         parseDepends(depends, hash, pkg->pre_depends_str[i]);
+         parseDepends(depends, pkg->pre_depends_str[i]);
          free(pkg->pre_depends_str[i]);
          depends->type = PREDEPEND;
          depends++;
@@ -655,7 +667,7 @@ void buildDepends(hash_table_t * hash, pkg_t * pkg)
             free(pkg->pre_depends_str);
 
      for(i = 0; i < pkg->depends_count; i++){
-         parseDepends(depends, hash, pkg->depends_str[i]);
+         parseDepends(depends, pkg->depends_str[i]);
          free(pkg->depends_str[i]);
          depends++;
      }
@@ -663,7 +675,7 @@ void buildDepends(hash_table_t * hash, pkg_t * pkg)
             free(pkg->depends_str);
 
      for(i = 0; i < pkg->recommends_count; i++){
-         parseDepends(depends, hash, pkg->recommends_str[i]);
+         parseDepends(depends, pkg->recommends_str[i]);
          free(pkg->recommends_str[i]);
          depends->type = RECOMMEND;
          depends++;
@@ -672,7 +684,7 @@ void buildDepends(hash_table_t * hash, pkg_t * pkg)
          free(pkg->recommends_str);
 
      for(i = 0; i < pkg->suggests_count; i++){
-         parseDepends(depends, hash, pkg->suggests_str[i]);
+         parseDepends(depends, pkg->suggests_str[i]);
          free(pkg->suggests_str[i]);
          depends->type = SUGGEST;
          depends++;
@@ -703,19 +715,20 @@ constraint_to_str(enum version_constraint c)
 }
 
 /*
- * Returns a printable string for pkg's dependency at the specified index. The
+ * Returns a printable string for pkg's dependency at the specified idx. The
  * resultant string must be passed to free() by the caller.
  */
 char *
-pkg_depend_str(pkg_t *pkg, int index)
+pkg_depend_str(pkg_t *pkg, int idx)
 {
-       int i, len;
+       int i;
+       unsigned int len;
        char *str;
        compound_depend_t *cdep;
        depend_t *dep;
 
        len = 0;
-       cdep = &pkg->depends[index];
+       cdep = &pkg->depends[idx];
 
        /* calculate string length */
        for (i=0; i<cdep->possibility_count; i++) {
@@ -726,7 +739,7 @@ pkg_depend_str(pkg_t *pkg, int index)
 
                len += strlen(dep->pkg->name);
 
-               if (dep->constraint != NONE) {
+               if (dep->version) {
                        len += 2; /* space, left parenthesis */
                        len += 3; /* constraint string (<=, >=, etc), space */
                        len += strlen(dep->version);
@@ -745,7 +758,7 @@ pkg_depend_str(pkg_t *pkg, int index)
 
                strncat(str, dep->pkg->name, len);
 
-               if (dep->constraint != NONE) {
+               if (dep->version) {
                        strncat(str, " (", len);
                        strncat(str, constraint_to_str(dep->constraint), len);
                        strncat(str, dep->version, len);
@@ -806,10 +819,10 @@ static depend_t * depend_init(void)
 }
 
 static int parseDepends(compound_depend_t *compound_depend, 
-                       hash_table_t * hash, char * depend_str)
+                       char * depend_str)
 {
      char * pkg_name, buffer[2048];
-     int num_of_ors = 0;
+     unsigned int num_of_ors = 0;
      int i;
      char * src, * dest;
      depend_t ** possibilities;
@@ -839,8 +852,6 @@ static int parseDepends(compound_depend_t *compound_depend,
               *dest++ = *src++;
          *dest = '\0';
          pkg_name = trim_xstrdup(buffer);
-          if (pkg_name == NULL )
-              return -ENOMEM;
        
          /* now look at possible version info */
        
@@ -889,17 +900,11 @@ static int parseDepends(compound_depend_t *compound_depend,
               while(*src && *src != ')')
                    *dest++ = *src++;
               *dest = '\0';
-           
-              possibilities[i]->version = trim_xstrdup(buffer);
-              /*                   fprintf(stderr, "let's print the depends version string:");
-                                   fprintf(stderr, "version %s\n", possibilities[i]->version);*/
-               if (possibilities[i]->version == NULL )
-                   return -ENOMEM;
 
-        
+              possibilities[i]->version = trim_xstrdup(buffer);
          }
          /* hook up the dependency to its abstract pkg */
-         possibilities[i]->pkg = ensure_abstract_pkg_by_name(hash, pkg_name);
+         possibilities[i]->pkg = ensure_abstract_pkg_by_name(pkg_name);
 
          free(pkg_name);