xbps-bin: use a single point to cleanup resources.

--HG--
extra : convert_revision : xtraeme%40gmail.com-20091023120154-wj4937kmu6ryacpk

bin/xbps-bin/defs.h

@@ -26,9 +26,9 @@
 #ifndef _XBPS_BIN_DEFS_H_
 #define _XBPS_BIN_DEFS_H_
 
-void	xbps_exec_transaction(const char *, bool, bool);
-void	xbps_autoremove_pkgs(void);
-void	xbps_remove_installed_pkg(const char *, bool);
+int	xbps_exec_transaction(const char *, bool, bool);
+int	xbps_autoremove_pkgs(void);
+int	xbps_remove_installed_pkg(const char *, bool);
 int	xbps_check_pkg_integrity(const char *);
 int	xbps_check_pkg_integrity_all(void);
 int	xbps_show_pkg_deps(const char *);

bin/xbps-bin/install.c

@@ -39,7 +39,6 @@ struct transaction {
 	bool force;
 };
 
-static void	cleanup(int);
 static int	exec_transaction(struct transaction *);
 static void	show_missing_deps(prop_dictionary_t, const char *);
 static int	show_missing_dep_cb(prop_object_t, void *, bool *);
@@ -206,7 +205,7 @@ show_transaction_sizes(prop_object_iterator_t iter)
 	return 0;
 }
 
-void
+int
 xbps_exec_transaction(const char *pkgname, bool force, bool update)
 {
 	struct transaction *trans;
@@ -225,10 +224,10 @@ xbps_exec_transaction(const char *pkgname, bool force, bool update)
 		if ((rv = xbps_find_new_packages()) != 0) {
 			if (rv == ENOENT) {
 				printf("No packages currently registered.\n");
-				cleanup(0);
+				return 0;
 			} else if (rv == ENOPKG) {
 				printf("All packages are up-to-date.\n");
-				cleanup(0);
+				return 0;
 			}
 			goto out;
 		}
@@ -246,21 +245,21 @@ xbps_exec_transaction(const char *pkgname, bool force, bool update)
 					printf("Package '%s' is up to date.\n",
 					    pkgname);
 					prop_object_release(pkgd);
-					cleanup(rv);
+					return rv;
 				} else if (rv == ENOENT) {
 					printf("Package '%s' not found in "
 					    "repository pool.\n", pkgname);
 					prop_object_release(pkgd);
-					cleanup(rv);
+					return rv;
 				} else if (rv != 0) {
 					prop_object_release(pkgd);
-					cleanup(rv);
+					return rv;
 				}
 				prop_object_release(pkgd);
 			} else {
 				printf("Package '%s' not installed.\n",
 				    pkgname);
-				cleanup(rv);
+				return rv;
 			}
 		} else {
 			/*
@@ -271,16 +270,16 @@ xbps_exec_transaction(const char *pkgname, bool force, bool update)
 				printf("Package '%s' is already installed.\n",
 				    pkgname);
 				prop_object_release(pkgd);
-				cleanup(rv);
+				return rv;
 			}
 			rv = xbps_prepare_pkg(pkgname);
 			if (rv != 0 && rv == EAGAIN) {
 				printf("Unable to locate '%s' in "
 				    "repository pool.\n", pkgname);
-				cleanup(rv);
+				return rv;
 			} else if (rv != 0 && rv != ENOENT) {
 				printf("Unexpected error: %s", strerror(rv));
-				cleanup(rv);
+				return rv;
 			}
 		}
 	}
@@ -337,7 +336,7 @@ out2:
 out1:
 	free(trans);
 out:
-	cleanup(rv);
+	return rv;
 }
 
 static int
@@ -544,11 +543,3 @@ exec_transaction(struct transaction *trans)
 
 	return 0;
 }
-
-static void
-cleanup(int rv)
-{
-	xbps_release_repolist_data();
-	xbps_release_regpkgdb_dict();
-	exit(rv == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
-}

bin/xbps-bin/main.c

@@ -168,21 +168,21 @@ main(int argc, char **argv)
 		if (argc != 2)
 			usage();
 
-		xbps_exec_transaction(argv[1], force, false);
+		rv = xbps_exec_transaction(argv[1], force, false);
 
 	} else if (strcasecmp(argv[0], "update") == 0) {
 		/* Update an installed package. */
 		if (argc != 2)
 			usage();
 
-		xbps_exec_transaction(argv[1], force, true);
+		rv = xbps_exec_transaction(argv[1], force, true);
 
 	} else if (strcasecmp(argv[0], "remove") == 0) {
 		/* Removes a binary package. */
 		if (argc != 2)
 			usage();
 
-		xbps_remove_installed_pkg(argv[1], force);
+		rv = xbps_remove_installed_pkg(argv[1], force);
 
 	} else if (strcasecmp(argv[0], "show") == 0) {
 		/* Shows info about an installed binary package. */
@@ -192,7 +192,7 @@ main(int argc, char **argv)
 		rv = show_pkg_info_from_metadir(argv[1]);
 		if (rv != 0) {
 			printf("Package %s not installed.\n", argv[1]);
-			exit(EXIT_FAILURE);
+			goto out;
 		}
 
 	} else if (strcasecmp(argv[0], "show-files") == 0) {
@@ -203,7 +203,7 @@ main(int argc, char **argv)
 		rv = show_pkg_files_from_metadir(argv[1]);
 		if (rv != 0) {
 			printf("Package %s not installed.\n", argv[1]);
-			exit(EXIT_FAILURE);
+			goto out;
 		}
 
 	} else if (strcasecmp(argv[0], "check") == 0) {
@@ -223,7 +223,7 @@ main(int argc, char **argv)
 		if (argc != 1)
 			usage();
 
-		xbps_exec_transaction("all", force, true);
+		rv = xbps_exec_transaction("all", force, true);
 
 	} else if (strcasecmp(argv[0], "autoremove") == 0) {
 		/*
@@ -234,7 +234,7 @@ main(int argc, char **argv)
 		if (argc != 1)
 			usage();
 
-		xbps_autoremove_pkgs();
+		rv = xbps_autoremove_pkgs();
 
 	} else if (strcasecmp(argv[0], "purge") == 0) {
 		/*

bin/xbps-bin/remove.c

@@ -33,7 +33,7 @@
 #include "defs.h"
 #include "../xbps-repo/util.h"
 
-void
+int
 xbps_autoremove_pkgs(void)
 {
 	prop_array_t orphans;
@@ -52,15 +52,18 @@ xbps_autoremove_pkgs(void)
 
 	orphans = xbps_find_orphan_packages();
 	if (orphans == NULL)
-		exit(EXIT_FAILURE);
+		return errno;
+
 	if (orphans != NULL && prop_array_count(orphans) == 0) {
 		printf("There are not orphaned packages currently.\n");
-		exit(EXIT_SUCCESS);
+		goto out;
 	}
 
 	iter = prop_array_iterator(orphans);
-	if (iter == NULL)
+	if (iter == NULL) {
+		rv = errno;
 		goto out;
+	}
 
 	printf("The following packages were installed automatically\n"
 	    "(as dependencies) and aren't needed anymore:\n\n");
@@ -99,13 +102,11 @@ out2:
 	prop_object_iterator_release(iter);
 out:
 	prop_object_release(orphans);
-	if (rv != 0)
-		exit(EXIT_FAILURE);
 
-	exit(EXIT_SUCCESS);
+	return rv;
 }
 
-void
+int
 xbps_remove_installed_pkg(const char *pkgname, bool force)
 {
 	prop_array_t reqby;
@@ -119,7 +120,7 @@ xbps_remove_installed_pkg(const char *pkgname, bool force)
 	dict = xbps_find_pkg_installed_from_plist(pkgname);
 	if (dict == NULL) {
 		printf("Package %s is not installed.\n", pkgname);
-		goto out;
+		return 0;
 	}
 	prop_dictionary_get_cstring_nocopy(dict, "version", &version);
 
@@ -133,7 +134,7 @@ xbps_remove_installed_pkg(const char *pkgname, bool force)
 		if (!force) {
 			if (!xbps_noyes("Do you want to remove %s?", pkgname)) {
 				printf("Cancelling!\n");
-				goto out;
+				return 0;
 			}
 		}
 		printf("Forcing %s-%s for deletion!\n", pkgname, version);
@@ -141,7 +142,7 @@ xbps_remove_installed_pkg(const char *pkgname, bool force)
 		if (!force) {
 			if (!xbps_noyes("Do you want to remove %s?", pkgname)) {
 				printf("Cancelling!\n");
-				goto out;
+				return 0;
 			}
 		}
 	}
@@ -150,13 +151,8 @@ xbps_remove_installed_pkg(const char *pkgname, bool force)
 	if ((rv = xbps_remove_pkg(pkgname, version, false)) != 0) {
 		printf("Unable to remove %s-%s (%s).\n",
 		    pkgname, version, strerror(errno));
-		goto out;
+		return rv;
 	}
 
-out:
-	xbps_release_regpkgdb_dict();
-	if (rv != 0)
-		exit(EXIT_FAILURE);
-
-	exit(EXIT_SUCCESS);
+	return 0;
 }