- pull from busybox_scratch: r15829:15850

  Various fixes, cleanups and shrinkage:
saves 952 Bytes:
   text    data     bss     dec     hex filename
1087742   15853  790632 1894227  1ce753 ../busybox/busybox.old
1086790   15853  790632 1893275  1ce39b busybox
via:
# scripts/bloat-o-meter ../busybox/busybox_unstripped.old busybox_unstripped 
function                                             old     new   delta
ipcrm_main                                           756     822     +66
getval                                                 -      61     +61
maybe_set_utc                                          -      40     +40
udhcpc_main                                         2896    2912     +16
md5_hash_block                                       428     437      +9
opt                                                    8      16      +8
qgravechar                                           106     110      +4
make_bitmap                                          292     295      +3
inflate_unzip                                       2056    2059      +3
add_partition                                       1412    1414      +2
__parsespent                                         156     158      +2
qrealloc                                              41      42      +1
format                                                 -       1      +1
catv_main                                            313     314      +1
watch_main                                           293     292      -1
varunset                                              81      80      -1
part                                                   1       -      -1
check_if_skip                                        837     836      -1
start_stop_daemon_main                               840     837      -3
create_lost_and_found                                175     172      -3
supress_non_delimited_lines                            4       -      -4
static.l                                               4       -      -4
static.c                                               5       1      -4
bsd_sum_file                                         237     233      -4
eval2                                                338     332      -6
arithmetic_common                                    166     158      -8
cmpfunc                                               22       5     -17
cksum_main                                           294     275     -19
cmp_main                                             465     439     -26
dd_main                                             1535    1508     -27
rmmod_main                                           376     333     -43
cut_file                                             727     644     -83
ipcs_main                                           3809    3721     -88
cut_main                                             722     614    -108
date_main                                           1443    1263    -180
remove_ids                                           222       -    -222
------------------------------------------------------------------------------
(add/remove: 3/4 grow/shrink: 11/18 up/down: 217/-853)       Total: -636 bytes

1 files changed, 16 insertions, 15 deletions

diff --git a/coreutils/cksum.c b/coreutils/cksum.c
index 5849dda..9a45fd6 100644
--- a/coreutils/cksum.c
+++ b/coreutils/cksum.c
@@ -3,12 +3,13 @@
  * cksum - calculate the CRC32 checksum of a file
  *
  * Copyright (C) 2006 by Rob Sullivan, with ideas from code by Walter Harms
- * 
+ *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */
 
 #include "busybox.h"
 
-int cksum_main(int argc, char **argv) {
+int cksum_main(int argc, char **argv)
+{
 	
 	uint32_t *crc32_table = crc32_filltable(1);
 
@@ -17,36 +18,36 @@ int cksum_main(int argc, char **argv) {
 	long length, filesize;
 	int bytes_read;
 	char *cp;
-	RESERVE_CONFIG_BUFFER(buf, BUFSIZ);
+
 	int inp_stdin = (argc == optind) ? 1 : 0;
-	
+
 	do {
 		fp = bb_wfopen_input((inp_stdin) ? bb_msg_standard_input : *++argv);
-			
+
 		crc = 0;
 		length = 0;
-		
-		while ((bytes_read = fread(buf, 1, BUFSIZ, fp)) > 0) {
-			cp = buf;
+
+		while ((bytes_read = fread(bb_common_bufsiz1, 1, BUFSIZ, fp)) > 0) {
+			cp = bb_common_bufsiz1;
 			length += bytes_read;
 			while (bytes_read--)
 				crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ (*cp++)) & 0xffL];
 		}
-		
+
 		filesize = length;
-		
+
 		for (; length; length >>= 8)
 			crc = (crc << 8) ^ crc32_table[((crc >> 24) ^ length) & 0xffL];
 		crc ^= 0xffffffffL;
 
 		if (inp_stdin) {
-			printf("%"PRIu32" %li\n", crc, filesize);
+			bb_printf("%" PRIu32 " %li\n", crc, filesize);
 			break;
 		}
-		
-		printf("%"PRIu32" %li %s\n", crc, filesize, *argv);	
+
+		bb_printf("%" PRIu32 " %li %s\n", crc, filesize, *argv);
 		fclose(fp);
-	} while (*(argv+1));
-	
+	} while (*(argv + 1));
+
 	return EXIT_SUCCESS;
 }