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

3 files changed, 7 insertions, 11 deletions

diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index 0c419aca7..0464df76f 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -44,12 +44,13 @@
  * to pick a random letter to add to out temporary file. */
 typedef unsigned long int bb_uint64_t;
 
+#define tempFn bb_common_bufsiz1
+
 /* if fn is NULL then input is stdin and output is stdout */
 static int convert(char *fn, int ConvType)
 {
         int c, fd;
         struct timeval tv;
-        RESERVE_CONFIG_BUFFER(tempFn, BUFSIZ);
         static bb_uint64_t value=0;
         FILE *in, *out;
 
diff --git a/coreutils/tee.c b/coreutils/tee.c
index ba2e10f90..1160fc9dd 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -39,7 +39,7 @@ int tee_main(int argc, char **argv)
         int retval = EXIT_SUCCESS;
 #ifdef CONFIG_FEATURE_TEE_USE_BLOCK_IO
         ssize_t c;
-        RESERVE_CONFIG_BUFFER(buf, BUFSIZ);
+# define buf bb_common_bufsiz1
 #else
         int c;
 #endif
@@ -88,10 +88,6 @@ int tee_main(int argc, char **argv)
                 retval = EXIT_FAILURE;
         }
 
-#ifdef CONFIG_FEATURE_CLEAN_UP
-        RELEASE_CONFIG_BUFFER(buf);
-#endif
-
 #else
         setvbuf(stdout, NULL, _IONBF, 0);
         while ((c = getchar()) != EOF) {
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;