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authorGlenn L McGrath2002-11-12 23:34:15 +0000
committerGlenn L McGrath2002-11-12 23:34:15 +0000
commit034c371bb2ea7d66caf3ac29178ce941837edb9f (patch)
treeb3f14b3d0e56486a016a6b16eace0432407ffd61 /archival/libunarchive
parent9af8a72f10c97e3b06862203bc4b0d4e6d10e7f5 (diff)
downloadbusybox-034c371bb2ea7d66caf3ac29178ce941837edb9f.zip
busybox-034c371bb2ea7d66caf3ac29178ce941837edb9f.tar.gz
Reduce block size to 512 to prevent short read's when reading from a pipe
Diffstat (limited to 'archival/libunarchive')
-rw-r--r--archival/libunarchive/archive_copy_file.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/archival/libunarchive/archive_copy_file.c b/archival/libunarchive/archive_copy_file.c
index 22355cc..47d1a52 100644
--- a/archival/libunarchive/archive_copy_file.c
+++ b/archival/libunarchive/archive_copy_file.c
@@ -19,17 +19,15 @@
#include "libbb.h"
#include "unarchive.h"
-/* Copy CHUNKSIZE bytes (or untill EOF if chunksize == -1)
- * from SRC_FILE to DST_FILE. */
extern void archive_copy_file(const archive_handle_t *archive_handle, const int dst_fd)
{
- size_t size;
- char buffer[BUFSIZ];
+ char buffer[512];
off_t chunksize = archive_handle->file_header->size;
while (chunksize != 0) {
- if (chunksize > BUFSIZ) {
- size = BUFSIZ;
+ size_t size;
+ if (chunksize > 512) {
+ size = 512;
} else {
size = chunksize;
}
@@ -38,10 +36,7 @@ extern void archive_copy_file(const archive_handle_t *archive_handle, const int
if (write(dst_fd, buffer, size) != size) {
error_msg_and_die ("Short write");
}
-
- if (chunksize != -1) {
- chunksize -= size;
- }
+ chunksize -= size;
}
return;