Apple-2gs-SW/hush
1
0
Fork 0
mirror of https://github.com/sheumann/hush.git synced 2024-12-24 12:29:47 +00:00
Code Issues Projects Releases Wiki Activity

Read in blocks rather than one char at a time, greatly improves speed

Browse Source
This commit is contained in:
Glenn L McGrath 2003-11-14 08:26:25 +00:00
parent 5f28455c6e
commit d09bcecda8
1 changed files with 24 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
archival/libunarchive/seek_by_char.c
View File

@ -14,12 +14,31 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/ */
#include "unarchive.h" #include <stdlib.h>
extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int amount) #include "unarchive.h"
#include "busybox.h"
/* If we are reading through a pipe(), or from stdin then we cant lseek,
* we must read and discard the data to skip over it.
*
* TODO: rename to seek_by_read
*/
extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int jump_size)
{ {
unsigned int i; unsigned int remaining = jump_size;
for (i = 0; i < amount; i++) { unsigned int read_amount;
archive_xread_char(archive_handle); RESERVE_CONFIG_BUFFER(buf, BUFSIZ);
while (remaining > 0) {
if (remaining > BUFSIZ) {
read_amount = BUFSIZ;
} else {
read_amount = remaining;
}
read_amount = archive_xread(archive_handle, buf, read_amount);
remaining -= read_amount;
} }
RELEASE_CONFIG_BUFFER(buf);
} }