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#define -> static const int. Also got rid of some big static buffers.

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This commit is contained in:
Mark Whitley
2001-01-23 22:30:04 +00:00
parent 2b8d07c590
commit 59ab025363
74 changed files with 670 additions and 620 deletions
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40
tr.c
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@@ -34,14 +34,15 @@
#define bb_need_write_error
#include "messages.c"
#define ASCII 0377
static const int ASCII = 0377;
/* some glabals shared across this file */
static char com_fl, del_fl, sq_fl;
static unsigned char output[BUFSIZ], input[BUFSIZ];
static unsigned char vector[ASCII + 1];
static char invec[ASCII + 1], outvec[ASCII + 1];
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 *pvector;
static char *pinvec, *poutvec;
static void convert()
@@ -52,22 +53,22 @@ static void convert()
for (;;) {
if (in_index == read_chars) {
if ((read_chars = read(0, (char *) input, BUFSIZ)) <= 0) {
if (write(1, (char *) output, out_index) != out_index)
if ((read_chars = read(0, (char *) pinput, BUFSIZ)) <= 0) {
if (write(1, (char *) poutput, out_index) != out_index)
write(2, write_error, strlen(write_error));
exit(0);
}
in_index = 0;
}
c = input[in_index++];
coded = vector[c];
if (del_fl && invec[c])
c = pinput[in_index++];
coded = pvector[c];
if (del_fl && pinvec[c])
continue;
if (sq_fl && last == coded && (invec[c] || outvec[coded]))
if (sq_fl && last == coded && (pinvec[c] || poutvec[coded]))
continue;
output[out_index++] = last = coded;
poutput[out_index++] = last = coded;
if (out_index == BUFSIZ) {
if (write(1, (char *) output, out_index) != out_index) {
if (write(1, (char *) poutput, out_index) != out_index) {
write(2, write_error, strlen(write_error));
exit(1);
}
@@ -86,9 +87,9 @@ static void map(register unsigned char *string1, unsigned int string1_len,
for (j = 0, i = 0; i < string1_len; i++) {
if (string2_len <= j)
vector[string1[i]] = last;
pvector[string1[i]] = last;
else
vector[string1[i]] = last = string2[j++];
pvector[string1[i]] = last = string2[j++];
}
}
@@ -143,6 +144,17 @@ extern int tr_main(int argc, char **argv)
int output_length=0, input_length;
int index = 1;
int i;
/* set up big arrays here (better than making a bunch of static arrays up top) */
unsigned char output[BUFSIZ], input[BUFSIZ];
unsigned char vector[ASCII + 1];
char invec[ASCII + 1], outvec[ASCII + 1];
/* ... but make them available globally */
poutput = output;
pinput = input;
pvector = vector;
pinvec = invec;
poutvec = outvec;
if (argc > 1 && argv[index][0] == '-') {
for (ptr = (unsigned char *) &argv[index][1]; *ptr; ptr++) {