src/usr.bin/m4/eval.c - diff

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version 1.66, 2008/08/21 21:01:47

version 1.67, 2010/03/25 18:52:29

Line 907

unsigned char sch, dch;

static char frombis[257];

static char tobis[257];

int i;

char seen[256];

static unsigned char mapvec[256] = {

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,

19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,

Line 941

Line 943

* create a mapping between "from" and

* "to"

while (*from)

for (i = 0; i < 256; i++)

mapvec[(unsigned char)(*from++)] = (*to) ?

seen[i] = 0;

(unsigned char)(*to++) : 0;

while (*from) {

if (!seen[(unsigned char)(*from)]) {

mapvec[(unsigned char)(*from)] = (unsigned char)(*to);

seen[(unsigned char)(*from)] = 1;

}

from++;

if (*to)

to++;

}

while (*src) {

sch = (unsigned char)(*src++);