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

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This commit is contained in:
"Vladimir N. Oleynik"
2005-10-15 10:23:55 +00:00
parent 84e7511607
commit 6f347ef9dc
11 changed files with 34 additions and 33 deletions
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9
coreutils/tr.c
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@@ -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;