More size shrinkage.

6 files changed, 14 insertions, 52 deletions

diff --git a/archival/libunarchive/data_extract_to_buffer.c b/archival/libunarchive/data_extract_to_buffer.c
index 1255fe1da..3eaca98b3 100644
--- a/archival/libunarchive/data_extract_to_buffer.c
+++ b/archival/libunarchive/data_extract_to_buffer.c
@@ -1,17 +1,7 @@
 /*
- *  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 of the License, or
- *  (at your option) any later version.
+ * Copyright 2002 Glenn McGrath
  *
- *  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.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
 #include "libbb.h"
@@ -21,8 +11,7 @@ void data_extract_to_buffer(archive_handle_t *archive_handle)
 {
         const unsigned int size = archive_handle->file_header->size;
 
-        archive_handle->buffer = xmalloc(size + 1);
+        archive_handle->buffer = xzalloc(size + 1);
 
         archive_xread_all(archive_handle, archive_handle->buffer, size);
-        archive_handle->buffer[size] = '\0';
 }
diff --git a/archival/libunarchive/decompress_bunzip2.c b/archival/libunarchive/decompress_bunzip2.c
index 5e26ffd9f..ae96ea375 100644
--- a/archival/libunarchive/decompress_bunzip2.c
+++ b/archival/libunarchive/decompress_bunzip2.c
@@ -644,8 +644,7 @@ static int start_bunzip(bunzip_data **bdp, int in_fd, unsigned char *inbuf,
 
         /* Allocate bunzip_data.  Most fields initialize to zero. */
 
-        bd=*bdp=xmalloc(i);
-        memset(bd,0,sizeof(bunzip_data));
+        bd=*bdp=xzalloc(i);
 
         /* Setup input buffer */
 
diff --git a/archival/libunarchive/get_header_ar.c b/archival/libunarchive/get_header_ar.c
index 385f33dbf..69c4bf2b2 100644
--- a/archival/libunarchive/get_header_ar.c
+++ b/archival/libunarchive/get_header_ar.c
@@ -1,17 +1,6 @@
-/*
- *  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 of the License, or
- *  (at your option) any later version.
+/* Copyright 2001 Glenn McGrath.
  *
- *  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 Library General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
 #include <stdio.h>
diff --git a/archival/libunarchive/get_header_cpio.c b/archival/libunarchive/get_header_cpio.c
index 2bbcd8e5d..f54b5af69 100644
--- a/archival/libunarchive/get_header_cpio.c
+++ b/archival/libunarchive/get_header_cpio.c
@@ -1,17 +1,6 @@
-/*
- *  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 of the License, or
- *  (at your option) any later version.
+/* Copyright 2002 Laurence Anderson
  *
- *  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 Library General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
 #include <stdio.h>
@@ -85,9 +74,8 @@ char get_header_cpio(archive_handle_t *archive_handle)
             file_header->size = tmpsize;
         }
 
-        file_header->name = (char *) xmalloc(namesize + 1);
+        file_header->name = (char *) xzalloc(namesize + 1);
         archive_xread_all(archive_handle, file_header->name, namesize); /* Read in filename */
-        file_header->name[namesize] = '\0';
         archive_handle->offset += namesize;
 
         /* Update offset amount and skip padding before file contents */
@@ -113,9 +101,8 @@ char get_header_cpio(archive_handle_t *archive_handle)
         }
 
         if (S_ISLNK(file_header->mode)) {
-                file_header->link_name = (char *) xmalloc(file_header->size + 1);
+                file_header->link_name = (char *) xzalloc(file_header->size + 1);
                 archive_xread_all(archive_handle, file_header->link_name, file_header->size);
-                file_header->link_name[file_header->size] = '\0';
                 archive_handle->offset += file_header->size;
                 file_header->size = 0; /* Stop possible seeks in future */
         } else {
diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index c9308f906..f3f04b582 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -168,17 +168,15 @@ char get_header_tar(archive_handle_t *archive_handle)
                 break;
 #ifdef CONFIG_FEATURE_TAR_GNU_EXTENSIONS
         case 'L': {
-                        longname = xmalloc(file_header->size + 1);
+                        longname = xzalloc(file_header->size + 1);
                         archive_xread_all(archive_handle, longname, file_header->size);
-                        longname[file_header->size] = '\0';
                         archive_handle->offset += file_header->size;
 
                         return(get_header_tar(archive_handle));
                 }
         case 'K': {
-                        linkname = xmalloc(file_header->size + 1);
+                        linkname = xzalloc(file_header->size + 1);
                         archive_xread_all(archive_handle, linkname, file_header->size);
-                        linkname[file_header->size] = '\0';
                         archive_handle->offset += file_header->size;
 
                         file_header->name = linkname;
diff --git a/archival/libunarchive/rangecoder.h b/archival/libunarchive/rangecoder.h
index e43ec3908..b806eebf6 100644
--- a/archival/libunarchive/rangecoder.h
+++ b/archival/libunarchive/rangecoder.h
@@ -36,12 +36,12 @@ static void rc_read(rc_t * rc)
 }
 
 /* Called once */
-static ATTRIBUTE_ALWAYS_INLINE void rc_init(rc_t * rc, int fd, int buffer_size)
+static void rc_init(rc_t * rc, int fd, int buffer_size)
 {
         int i;
 
         rc->fd = fd;
-        rc->buffer = malloc(buffer_size);
+        rc->buffer = xmalloc(buffer_size);
         rc->buffer_size = buffer_size;
         rc->buffer_end = rc->buffer + rc->buffer_size;
         rc->ptr = rc->buffer_end;