You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
419 B
C
23 lines
419 B
C
#include "parse.h"
|
|
|
|
size_t bs_capacityleft(const struct bytestream* bs) {
|
|
if (bs->cur>=bs->max) // if EOF or error, return 0
|
|
return 0;
|
|
return bs->max - bs->cur;
|
|
}
|
|
|
|
#ifdef UNITTEST
|
|
#include <assert.h>
|
|
|
|
int main() {
|
|
struct bytestream bs;
|
|
|
|
bs.cur=0; bs.max=100;
|
|
assert(bs_capacityleft(&bs) == 100);
|
|
bs.cur=1;
|
|
assert(bs_capacityleft(&bs) == 99);
|
|
bs.max=0;
|
|
assert(bs_capacityleft(&bs) == 0);
|
|
}
|
|
#endif
|