opkg: re-arrange source code into sub-directories

git-svn-id: http://opkg.googlecode.com/svn/trunk@33 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

1 files changed, 0 insertions, 383 deletions

diff --git a/opkg_remove.c b/opkg_remove.c
deleted file mode 100644
index eb7825a..0000000
--- a/opkg_remove.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/* opkg_remove.c - the itsy package management system
-
-   Carl D. Worth
-
-   Copyright (C) 2001 University of Southern California
-
-   This program is free software; you can redistribute it and/or
-   modify it under the terms of the GNU General Public License as
-   published by the Free Software Foundation; either version 2, or (at
-   your option) any later version.
-
-   This program is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
-*/
-
-#include "opkg.h"
-#include "opkg_message.h"
-
-#include <glob.h>
-
-#include "opkg_remove.h"
-
-#include "file_util.h"
-#include "sprintf_alloc.h"
-#include "str_util.h"
-
-#include "opkg_cmd.h"
-
-/*
- * Returns number of the number of packages depending on the packages provided by this package.
- * Every package implicitly provides itself.
- */
-int pkg_has_installed_dependents(opkg_conf_t *conf, abstract_pkg_t *parent_apkg, pkg_t *pkg, abstract_pkg_t *** pdependents)
-{
-     int nprovides = pkg->provides_count;
-     abstract_pkg_t **provides = pkg->provides;
-     int n_installed_dependents = 0;
-     int i;
-     for (i = 0; i <= nprovides; i++) {
-	  abstract_pkg_t *providee = provides[i];
-	  abstract_pkg_t **dependers = providee->depended_upon_by;
-	  abstract_pkg_t *dep_ab_pkg;
-	  if (dependers == NULL)
-	       continue;
-	  while ((dep_ab_pkg = *dependers++) != NULL) {
-	       if (dep_ab_pkg->state_status == SS_INSTALLED){
-		    n_installed_dependents++;
-               }
-	  }
-
-     }
-     /* if caller requested the set of installed dependents */
-     if (pdependents) {
-	  int p = 0;
-	  abstract_pkg_t **dependents = (abstract_pkg_t **)malloc((n_installed_dependents+1)*sizeof(abstract_pkg_t *));
-
-          if ( dependents == NULL ){
-              fprintf(stderr,"%s Unable to allocate memory. REPORT THIS BUG IN BUGZILLA PLEASE\n", __FUNCTION__);
-              return -1;  
-          }
-
-	  *pdependents = dependents;
-	  for (i = 0; i <= nprovides; i++) {
-	       abstract_pkg_t *providee = provides[i];
-	       abstract_pkg_t **dependers = providee->depended_upon_by;
-	       abstract_pkg_t *dep_ab_pkg;
-	       if (dependers == NULL)
-		    continue;
-	       while ((dep_ab_pkg = *dependers++) != NULL) {
-		    if (dep_ab_pkg->state_status == SS_INSTALLED && !(dep_ab_pkg->state_flag & SF_MARKED)) {
-			 dependents[p++] = dep_ab_pkg;
-			 dep_ab_pkg->state_flag |= SF_MARKED;
-		    }
-	       }
-	  }
-	  dependents[p] = NULL;
-	  /* now clear the marks */
-	  for (i = 0; i < p; i++) {
-	       abstract_pkg_t *dep_ab_pkg = dependents[i];
-	       dep_ab_pkg->state_flag &= ~SF_MARKED;
-	  }
-     }
-     return n_installed_dependents;
-}
-
-int opkg_remove_dependent_pkgs (opkg_conf_t *conf, pkg_t *pkg, abstract_pkg_t **dependents)
-{
-    int i;
-    int a;
-    int count;
-    pkg_vec_t *dependent_pkgs = pkg_vec_alloc();
-    abstract_pkg_t * ab_pkg;
-
-    if((ab_pkg = pkg->parent) == NULL){
-	fprintf(stderr, "%s: unable to get dependent pkgs. pkg %s isn't in hash table\n",
-		__FUNCTION__, pkg->name);
-	return 0;
-    }
-    
-    if (dependents == NULL)
-	    return 0;
-
-    // here i am using the dependencies_checked
-    if (ab_pkg->dependencies_checked == 2) // variable to make out whether this package
-	return 0;			   // has already been encountered in the process
-	                                   // of marking packages for removal - Karthik
-    ab_pkg->dependencies_checked = 2;
-
-    i = 0;
-    count = 1;
-    while (dependents [i] != NULL) {
-        abstract_pkg_t *dep_ab_pkg = dependents[i];
-	
-	if (dep_ab_pkg->dependencies_checked == 2){
-	    i++;
-	    continue;	
-        }
-        if (dep_ab_pkg->state_status == SS_INSTALLED) {
-            for (a = 0; a < dep_ab_pkg->pkgs->len; a++) {
-                pkg_t *dep_pkg = dep_ab_pkg->pkgs->pkgs[a];
-                if (dep_pkg->state_status == SS_INSTALLED) {
-                    pkg_vec_insert(dependent_pkgs, dep_pkg);
-                    count++;
-                }
-            }
-        }
-	i++;
-	/* 1 - to keep track of visited ab_pkgs when checking for possiblility of a broken removal of pkgs.
-	 * 2 - to keep track of pkgs whose deps have been checked alrdy  - Karthik */	
-    }
-    
-    if (count == 1)
-	    return 0;
-    
-    
-    for (i = 0; i < dependent_pkgs->len; i++) {
-        int err = opkg_remove_pkg(conf, dependent_pkgs->pkgs[i],0);
-        if (err)
-            return err;
-    }
-    return 0;
-}
-
-static int user_prefers_removing_dependents(opkg_conf_t *conf, abstract_pkg_t *abpkg, pkg_t *pkg, abstract_pkg_t **dependents)
-{
-    abstract_pkg_t *dep_ab_pkg;
-    opkg_message(conf, OPKG_ERROR, "Package %s is depended upon by packages:\n", pkg->name);
-    while ((dep_ab_pkg = *dependents++) != NULL) {
-	 if (dep_ab_pkg->state_status == SS_INSTALLED)
-	      opkg_message(conf, OPKG_ERROR, "\t%s\n", dep_ab_pkg->name);
-    }
-    opkg_message(conf, OPKG_ERROR, "These might cease to work if package %s is removed.\n\n", pkg->name);
-    opkg_message(conf, OPKG_ERROR, "");
-    opkg_message(conf, OPKG_ERROR, "You can force removal of this package with -force-depends.\n");
-    opkg_message(conf, OPKG_ERROR, "You can force removal of this package and its dependents\n");
-    opkg_message(conf, OPKG_ERROR, "with -force-removal-of-dependent-packages or -recursive\n");
-    opkg_message(conf, OPKG_ERROR, "or by setting option force_removal_of_dependent_packages\n");
-    opkg_message(conf, OPKG_ERROR, "in opkg.conf.\n");
-    return 0;
-}
-
-int opkg_remove_pkg(opkg_conf_t *conf, pkg_t *pkg,int message)
-{
-/* Actually, when "message == 1" I have been called from an upgrade, and not from a normal remove
-   thus I wan't check for essential, as I'm upgrading.
-   I hope it won't break anything :) 
-*/
-     int err;
-     abstract_pkg_t *parent_pkg = NULL;
-	
-     if (pkg->essential && !message) {
-	  if (conf->force_removal_of_essential_packages) {
-	       fprintf(stderr, "WARNING: Removing essential package %s under your coercion.\n"
-		       "\tIf your system breaks, you get to keep both pieces\n",
-		       pkg->name);
-	  } else {
-	       fprintf(stderr, "ERROR: Refusing to remove essential package %s.\n"
-		       "\tRemoving an essential package may lead to an unusable system, but if\n"
-		       "\tyou enjoy that kind of pain, you can force opkg to proceed against\n"
-		       "\tits will with the option: -force-removal-of-essential-packages\n",
-		       pkg->name);
-	       return OPKG_PKG_IS_ESSENTIAL;
-	  }
-     }
-
-     if ((parent_pkg = pkg->parent) == NULL)
-	  return 0;
-
-     /* only attempt to remove dependent installed packages if
-      * force_depends is not specified or the package is being
-      * replaced.
-      */
-     if (!conf->force_depends
-	 && !(pkg->state_flag & SF_REPLACE)) {
-	  abstract_pkg_t **dependents;
-	  int has_installed_dependents = 
-	       pkg_has_installed_dependents(conf, parent_pkg, pkg, &dependents);
-
-	  if (has_installed_dependents) {
-	       /*
-		* if this package is depended up by others, then either we should
-		* not remove it or we should remove it and all of its dependents 
-		*/
-
-	       if (!conf->force_removal_of_dependent_packages
-		   && !user_prefers_removing_dependents(conf, parent_pkg, pkg, dependents)) {
-		    return OPKG_PKG_HAS_DEPENDENTS;
-	       }
-
-	       /* remove packages depending on this package - Karthik */
-	       err = opkg_remove_dependent_pkgs (conf, pkg, dependents);
-	       free(dependents);
-	       if (err) return err;
-	  }
-     }
-
-     if ( message==0 ){
-         printf("Removing package %s from %s...\n", pkg->name, pkg->dest->name);
-         fflush(stdout);
-     }
-     pkg->state_flag |= SF_FILELIST_CHANGED;
-
-     pkg->state_want = SW_DEINSTALL;
-     opkg_state_changed++;
-
-     pkg_run_script(conf, pkg, "prerm", "remove");
-
-     /* DPKG_INCOMPATIBILITY: dpkg is slightly different here. It
-	maintains an empty filelist rather than deleting it. That seems
-	like a big pain, and I don't see that that should make a big
-	difference, but for anyone who wants tighter compatibility,
-	feel free to fix this. */
-     remove_data_files_and_list(conf, pkg);
-
-     pkg_run_script(conf, pkg, "postrm", "remove");
-
-     remove_maintainer_scripts_except_postrm(conf, pkg);
-
-     /* Aman Gupta - Since opkg is made for handheld devices with limited
-      * space, it doesn't make sense to leave extra configurations, files, 
-      * and maintainer scripts left around. So, we make remove like purge, 
-      * and take out all the crap :) */
-
-     remove_postrm(conf, pkg);
-     pkg->state_status = SS_NOT_INSTALLED;
-
-     if (parent_pkg) 
-	  parent_pkg->state_status = SS_NOT_INSTALLED;
-
-     return 0;
-}
-
-int opkg_purge_pkg(opkg_conf_t *conf, pkg_t *pkg)
-{
-    opkg_remove_pkg(conf, pkg,0);
-    return 0;
-}
-
-int remove_data_files_and_list(opkg_conf_t *conf, pkg_t *pkg)
-{
-     str_list_t installed_dirs;
-     str_list_t *installed_files;
-     str_list_elt_t *iter;
-     char *file_name;
-     conffile_t *conffile;
-     int removed_a_dir;
-     pkg_t *owner;
-
-     str_list_init(&installed_dirs);
-     installed_files = pkg_get_installed_files(pkg);
-
-     for (iter = installed_files->head; iter; iter = iter->next) {
-	  file_name = iter->data;
-
-	  if (file_is_dir(file_name)) {
-	       str_list_append(&installed_dirs, strdup(file_name));
-	       continue;
-	  }
-
-	  conffile = pkg_get_conffile(pkg, file_name);
-	  if (conffile) {
-	       /* XXX: QUESTION: Is this right? I figure we only need to
-		  save the conffile if it has been modified. Is that what
-		  dpkg does? Or does dpkg preserve all conffiles? If so,
-		  this seems like a better thing to do to conserve
-		  space. */
-	       if (conffile_has_been_modified(conf, conffile)) {
-		    printf("  not deleting modified conffile %s\n", file_name);
-		    fflush(stdout);
-		    continue;
-	       }
-	  }
-
-	  opkg_message(conf, OPKG_INFO, "  deleting %s (noaction=%d)\n", file_name, conf->noaction);
-	  if (!conf->noaction)
-	       unlink(file_name);
-     }
-
-     if (!conf->noaction) {
-	  do {
-	       removed_a_dir = 0;
-	       for (iter = installed_dirs.head; iter; iter = iter->next) {
-		    file_name = iter->data;
-	    
-		    if (rmdir(file_name) == 0) {
-			 opkg_message(conf, OPKG_INFO, "  deleting %s\n", file_name);
-			 removed_a_dir = 1;
-			 str_list_remove(&installed_dirs, &iter);
-		    }
-	       }
-	  } while (removed_a_dir);
-     }
-
-     pkg_free_installed_files(pkg);
-     /* We have to remove the file list now, so that
-	find_pkg_owning_file does not always just report this package */
-     pkg_remove_installed_files_list(conf, pkg);
-
-     /* Don't print warning for dirs that are provided by other packages */
-     for (iter = installed_dirs.head; iter; iter = iter->next) {
-	  file_name = iter->data;
-
-	  owner = file_hash_get_file_owner(conf, file_name);
-	  if (owner) {
-	       free(iter->data);
-	       iter->data = NULL;
-	       str_list_remove(&installed_dirs, &iter);
-	  }
-     }
-
-     /* cleanup */
-     for (iter = installed_dirs.head; iter; iter = iter->next) {
-	  free(iter->data);
-	  iter->data = NULL;
-     }
-     str_list_deinit(&installed_dirs);
-
-     return 0;
-}
-
-int remove_maintainer_scripts_except_postrm(opkg_conf_t *conf, pkg_t *pkg)
-{
-    int i, err;
-    char *globpattern;
-    glob_t globbuf;
-    
-    if (conf->noaction) return 0;
-
-    sprintf_alloc(&globpattern, "%s/%s.*",
-		  pkg->dest->info_dir, pkg->name);
-    err = glob(globpattern, 0, NULL, &globbuf);
-    free(globpattern);
-    if (err) {
-	return 0;
-    }
-
-    for (i = 0; i < globbuf.gl_pathc; i++) {
-	if (str_ends_with(globbuf.gl_pathv[i], ".postrm")) {
-	    continue;
-	}
-        opkg_message(conf, OPKG_INFO, "  deleting %s\n", globbuf.gl_pathv[i]);
-	unlink(globbuf.gl_pathv[i]);
-    }
-    globfree(&globbuf);
-
-    return 0;
-}
-
-int remove_postrm(opkg_conf_t *conf, pkg_t *pkg)
-{
-    char *postrm_file_name;
-
-    if (conf->noaction) return 0;
-
-    sprintf_alloc(&postrm_file_name, "%s/%s.postrm",
-		  pkg->dest->info_dir, pkg->name);
-    unlink(postrm_file_name);
-    free(postrm_file_name);
-
-    return 0;
-}