common BUFSIZ BSS buffer, small reduce code, data and bss

git-svn-id: svn://busybox.net/trunk/busybox@11867 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 4 insertions, 5 deletions

diff --git a/coreutils/tr.c b/coreutils/tr.c
index 6e3f97b36..e9eca4c60 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -38,10 +38,11 @@
 static char com_fl, del_fl, sq_fl;
 static short in_index, out_index;
 /* these last are pointers to static buffers declared in tr_main */
-static unsigned char *poutput, *pinput;
+static unsigned char *poutput;
 static unsigned char *pvector;
 static char *pinvec, *poutvec;
 
+#define input bb_common_bufsiz1
 
 static void convert(void)
 {
@@ -51,14 +52,14 @@ static void convert(void)
 
         for (;;) {
                 if (in_index == read_chars) {
-                        if ((read_chars = read(0, (char *) pinput, BUFSIZ)) <= 0) {
+                        if ((read_chars = read(0, input, BUFSIZ)) <= 0) {
                                 if (write(1, (char *) poutput, out_index) != out_index)
                                         bb_error_msg(bb_msg_write_error);
                                 exit(0);
                         }
                         in_index = 0;
                 }
-                c = pinput[in_index++];
+                c = input[in_index++];
                 coded = pvector[c];
                 if (del_fl && pinvec[c])
                         continue;
@@ -208,14 +209,12 @@ extern int tr_main(int argc, char **argv)
         int idx = 1;
         int i;
         RESERVE_CONFIG_BUFFER(output, BUFSIZ);
-        RESERVE_CONFIG_BUFFER(input,  BUFSIZ);
         RESERVE_CONFIG_UBUFFER(vector, ASCII+1);
         RESERVE_CONFIG_BUFFER(invec,  ASCII+1);
         RESERVE_CONFIG_BUFFER(outvec, ASCII+1);
 
         /* ... but make them available globally */
         poutput = output;
-        pinput  = input;
         pvector = vector;
         pinvec  = invec;
         poutvec = outvec;