format: Forward errors/warnings in support_format

If registering a format parser bidder fails or triggers a warning,
forward the information instead of silently turning it into ARCHIVE_OK.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>

libarchive/archive_read_support_format_7zip.c

@@ -505,7 +505,7 @@ archive_read_support_format_7zip(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(zip);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 static int

libarchive/archive_read_support_format_cab.c

@@ -488,7 +488,7 @@ archive_read_support_format_cab(struct archive *_a)
 		archive_wstring_free(&cab->ws);
 		free(cab);
 	}
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 static int

libarchive/archive_read_support_format_cpio.c

@@ -254,7 +254,7 @@ archive_read_support_format_cpio(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(cpio);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 

libarchive/archive_read_support_format_lha.c

@@ -285,7 +285,7 @@ archive_read_support_format_lha(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(lha);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 static size_t

libarchive/archive_read_support_format_mtree.c

@@ -238,7 +238,7 @@ archive_read_support_format_mtree(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(mtree);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 static int

libarchive/archive_read_support_format_rar5.c

@@ -4497,5 +4497,5 @@ int archive_read_support_format_rar5(struct archive *_a) {
 		free(rar5);
 	}
 
-	return ARCHIVE_OK;
+	return ret;
 }

libarchive/archive_read_support_format_tar.c

@@ -294,7 +294,7 @@ archive_read_support_format_tar(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(tar);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 static int

libarchive/archive_read_support_format_zip.c

@@ -3911,7 +3911,7 @@ archive_read_support_format_zip_streamable(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(zip);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 /* ------------------------------------------------------------------------ */
@@ -4704,7 +4704,7 @@ archive_read_support_format_zip_seekable(struct archive *_a)
 
 	if (r != ARCHIVE_OK)
 		free(zip);
-	return (ARCHIVE_OK);
+	return (r);
 }
 
 /*# vim:set noet:*/