Made new xreadlink function for libbb and changed applets to use it instead of

readlink(2).

1 files changed, 3 insertions, 9 deletions

diff --git a/archival/tar.c b/archival/tar.c
index c168564ca..4bf8004ea 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -921,16 +921,10 @@ writeTarHeader(struct TarBallInfo *tbInfo, const char *header_name,
                 header.typeflag = LNKTYPE;
                 strncpy(header.linkname, tbInfo->hlInfo->name, sizeof(header.linkname));
         } else if (S_ISLNK(statbuf->st_mode)) {
-                int link_size=0;
-                char buffer[BUFSIZ];
+                char *lpath = xreadlink(real_name);
                 header.typeflag  = SYMTYPE;
-                link_size = readlink(real_name, buffer, sizeof(buffer) - 1);
-                if ( link_size < 0) {
-                        perror_msg("Error reading symlink '%s'", header.name);
-                        return ( FALSE);
-                }
-                buffer[link_size] = '\0';
-                strncpy(header.linkname, buffer, sizeof(header.linkname)); 
+                strncpy(header.linkname, lpath, sizeof(header.linkname)); 
+                free(lpath);
         } else if (S_ISDIR(statbuf->st_mode)) {
                 header.typeflag  = DIRTYPE;
                 strncat(header.name, "/", sizeof(header.name));