*: hopefully all setup_common_bufsiz() are in place

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/catv.c b/coreutils/catv.c
index 801d245..0e71368 100644
--- a/coreutils/catv.c
+++ b/coreutils/catv.c
@@ -49,6 +49,9 @@
 	/* Read from stdin if there's nothing else to do. */
 	if (!argv[0])
 		*--argv = (char*)"-";
+
+#define read_buf bb_common_bufsiz1
+	setup_common_bufsiz();
 	do {
 		fd = open_or_warn_stdin(*argv);
 		if (fd < 0) {
@@ -58,7 +61,6 @@
 		for (;;) {
 			int i, res;
 
-#define read_buf bb_common_bufsiz1
 			res = read(fd, read_buf, COMMON_BUFSIZE);
 			if (res < 0)
 				retval = EXIT_FAILURE;
diff --git a/coreutils/cksum.c b/coreutils/cksum.c
index d8351e7..8a8a39f 100644
--- a/coreutils/cksum.c
+++ b/coreutils/cksum.c
@@ -33,6 +33,7 @@
 	argv++;
 #endif
 
+	setup_common_bufsiz();
 	do {
 		int fd = open_or_warn_stdin(*argv ? *argv : bb_msg_standard_input);
 
@@ -43,9 +44,8 @@
 		crc = 0;
 		length = 0;
 
-#define        read_buf bb_common_bufsiz1
-#define sizeof_read_buf COMMON_BUFSIZE
-		while ((bytes_read = safe_read(fd, read_buf, sizeof_read_buf)) > 0) {
+#define read_buf bb_common_bufsiz1
+		while ((bytes_read = safe_read(fd, read_buf, COMMON_BUFSIZE)) > 0) {
 			length += bytes_read;
 			crc = crc32_block_endian1(crc, read_buf, bytes_read, crc32_table);
 		}
diff --git a/coreutils/date.c b/coreutils/date.c
index 59b4b8f..ff3214d 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -368,8 +368,8 @@
 	}
 #endif
 
-#define        date_buf bb_common_bufsiz1
-#define sizeof_date_buf COMMON_BUFSIZE
+#define date_buf bb_common_bufsiz1
+	setup_common_bufsiz();
 	if (*fmt_dt2str == '\0') {
 		/* With no format string, just print a blank line */
 		date_buf[0] = '\0';
@@ -379,7 +379,7 @@
 			fmt_dt2str = (char*)"%Y.%m.%d-%H:%M:%S";
 		}
 		/* Generate output string */
-		strftime(date_buf, sizeof_date_buf, fmt_dt2str, &tm_time);
+		strftime(date_buf, COMMON_BUFSIZE, fmt_dt2str, &tm_time);
 	}
 	puts(date_buf);
 
diff --git a/coreutils/split.c b/coreutils/split.c
index b2da74e..e67c3de 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -79,6 +79,8 @@
 	ssize_t bytes_read, to_write;
 	char *src;
 
+	setup_common_bufsiz();
+
 	opt_complementary = "?2:a+"; /* max 2 args; -a N */
 	opt = getopt32(argv, "l:b:a:", &count_p, &count_p, &suffix_len);
 
diff --git a/coreutils/stat.c b/coreutils/stat.c
index 78df9c9..ddcfcf2 100644
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -158,10 +158,9 @@
 	/* coreutils 6.3 compat: */
 
 	/*static char buf[sizeof("YYYY-MM-DD HH:MM:SS.000000000")] ALIGN1;*/
-#define        buf bb_common_bufsiz1
-#define sizeof_buf COMMON_BUFSIZE
-
-	strcpy(strftime_YYYYMMDDHHMMSS(buf, sizeof_buf, &t), ".000000000");
+#define buf bb_common_bufsiz1
+	setup_common_bufsiz();
+	strcpy(strftime_YYYYMMDDHHMMSS(buf, COMMON_BUFSIZE, &t), ".000000000");
 	return buf;
 #undef buf
 }
diff --git a/coreutils/sum.c b/coreutils/sum.c
index cc66772..ec9ed2a 100644
--- a/coreutils/sum.c
+++ b/coreutils/sum.c
@@ -31,12 +31,14 @@
 /* Return 1 if successful.  */
 static unsigned sum_file(const char *file, unsigned type)
 {
-#define buf bb_common_bufsiz1
 	unsigned long long total_bytes = 0;
 	int fd, r;
 	/* The sum of all the input bytes, modulo (UINT_MAX + 1).  */
 	unsigned s = 0;
 
+#define buf bb_common_bufsiz1
+	setup_common_bufsiz();
+
 	fd = open_or_warn_stdin(file);
 	if (fd == -1)
 		return 0;
diff --git a/coreutils/tee.c b/coreutils/tee.c
index a0e177c..a68e944 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -37,8 +37,8 @@
 //TODO: make unconditional
 #if ENABLE_FEATURE_TEE_USE_BLOCK_IO
 	ssize_t c;
-# define        buf bb_common_bufsiz1
-# define sizeof_buf COMMON_BUFSIZE
+# define buf bb_common_bufsiz1
+	setup_common_bufsiz();
 #else
 	int c;
 #endif
@@ -81,7 +81,7 @@
 	/* names[0] will be filled later */
 
 #if ENABLE_FEATURE_TEE_USE_BLOCK_IO
-	while ((c = safe_read(STDIN_FILENO, buf, sizeof_buf)) > 0) {
+	while ((c = safe_read(STDIN_FILENO, buf, COMMON_BUFSIZE)) > 0) {
 		fp = files;
 		do
 			fwrite(buf, 1, c, *fp);