[BusyBox-cvs] busybox/archival gzip.c,1.60,1.61
Erik Andersen
andersen at busybox.net
Fri Nov 14 02:44:32 UTC 2003
Update of /var/cvs/busybox/archival
In directory winder:/tmp/cvs-serv31637/archival
Modified Files:
gzip.c
Log Message:
Vladimir N. Oleynik (vodz) writes:
Hi Glenn.
I analysed BSS size gzip applet and found may be mistake:
updcrc() checking if (crc_table_empty) but not resetted this var.
This do make slow gzip applet ;-)
--w
vodz
Index: gzip.c
===================================================================
RCS file: /var/cvs/busybox/archival/gzip.c,v
retrieving revision 1.60
retrieving revision 1.61
diff -u -d -r1.60 -r1.61
--- gzip.c 14 Jul 2003 21:20:40 -0000 1.60
+++ gzip.c 14 Nov 2003 02:44:28 -0000 1.61
@@ -305,8 +305,6 @@
DECLARE(uch, window, 2L * WSIZE);
DECLARE(ush, tab_prefix, 1L << BITS);
-static int crc_table_empty = 1;
-
static int foreground; /* set if program run in foreground */
static int method = DEFLATED; /* compression method */
static int exit_code = OK; /* program exit code */
@@ -387,14 +385,13 @@
register ulg c; /* temporary variable */
static unsigned long crc_32_tab[256];
- if (crc_table_empty) {
+ if (crc_32_tab[1] == 0x00000000L) {
unsigned long csr; /* crc shift register */
const unsigned long e = 0xedb88320L; /* polynomial exclusive-or pattern */
int i; /* counter for all possible eight bit values */
int k; /* byte being shifted into crc apparatus */
/* Compute table of CRC's. */
- crc_32_tab[0] = 0x00000000L;
for (i = 1; i < 256; i++) {
csr = i;
/* The idea to initialize the register with the byte instead of
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