busybox/archival/libunarchive/archive_xread_all_eof.c
Denis Vlasenko defc1ea340 *: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
text    data     bss     dec     hex filename
 808035     611    6868  815514   c719a busybox_old
 804472     611    6868  811951   c63af busybox_unstripped
2008-06-27 02:52:20 +00:00

21 lines
488 B
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#include "unarchive.h"
ssize_t FAST_FUNC archive_xread_all_eof(archive_handle_t *archive_handle,
unsigned char *buf, size_t count)
{
ssize_t size;
size = full_read(archive_handle->src_fd, buf, count);
if (size != 0 && size != (ssize_t)count) {
bb_error_msg_and_die("short read: %u of %u",
(unsigned)size, (unsigned)count);
}
return size;
}