Applied vodz' patches #49 and #50 (with a small correction in runshell.c)

#49: I found one memory overflow and memory leak in "ln" applet.
Last patch reduced also 54 bytes. ;)

#50: I found bug in loginutils/Makefile.in.
New patch have also new function to libbb and
aplied this to applets and other cosmetic changes.

1 files changed, 1 insertions, 3 deletions

diff --git a/archival/libunarchive/unarchive.c b/archival/libunarchive/unarchive.c
index 312b498a1..03e3c3ec2 100644
--- a/archival/libunarchive/unarchive.c
+++ b/archival/libunarchive/unarchive.c
@@ -58,9 +58,7 @@ char *extract_archive(FILE *src_stream, FILE *out_stream, const file_header_t *f
 				return(NULL);
 			}
 		}
-		full_name = xmalloc(strlen(prefix) + strlen(path) + 1);
-		strcpy(full_name, prefix);
-		strcat(full_name, path);
+               bb_asprintf(&full_name, "%s%s", prefix, path);
 	} else {
 		full_name = file_entry->name;
 	}