src/usr.bin/cvs/rcsnum.c - diff

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version 1.29, 2006/03/28 02:13:44

version 1.30, 2006/03/30 06:07:35

Line 38

* rcsnum_alloc()

* Allocate an RCS number structure and return a pointer to it on success,

* Allocate an RCS number structure and return a pointer to it.

* or NULL on failure.

RCSNUM *

rcsnum_alloc(void)

Line 141

Line 140

* rcsnum_cpy()

* Copy the number stored in <nsrc> in the destination <ndst> up to <depth>

* numbers deep.

* numbers deep. If <depth> is 0, there is no depth limit.

* Returns 0 on success, or -1 on failure.

int

void

rcsnum_cpy(const RCSNUM *nsrc, RCSNUM *ndst, u_int depth)

{

u_int len;

size_t sz;

void *tmp;

len = nsrc->rn_len;

if ((depth != 0) && (len > depth))

len = depth;

sz = len * sizeof(u_int16_t);

tmp = xrealloc(ndst->rn_id, 1, sz);

tmp = xrealloc(ndst->rn_id, len, sizeof(len));

ndst->rn_id = (u_int16_t *)tmp;

ndst->rn_len = len;

memcpy(ndst->rn_id, nsrc->rn_id, sz);

/* Overflow checked in xrealloc(). */

return (0);

memcpy(ndst->rn_id, nsrc->rn_id, len * sizeof(len));

}