asn1c/libasn1parser/asn1p_class.c

136 lines
2.2 KiB
C

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <assert.h>
#include "asn1parser.h"
asn1p_wsyntx_chunk_t *
asn1p_wsyntx_chunk_new() {
asn1p_wsyntx_chunk_t *wc;
wc = calloc(1, sizeof(*wc));
return wc;
}
void
asn1p_wsyntx_chunk_free(asn1p_wsyntx_chunk_t *wc) {
if(wc) {
if(wc->ref)
asn1p_ref_free(wc->ref);
if(wc->buf)
free(wc->buf);
free(wc);
}
}
asn1p_wsyntx_chunk_t *
asn1p_wsyntx_chunk_clone(asn1p_wsyntx_chunk_t *wc) {
asn1p_wsyntx_chunk_t *nc;
nc = asn1p_wsyntx_chunk_new();
if(nc) {
if(wc->buf) {
nc->buf = malloc(wc->len + 1);
if(nc->buf) {
nc->len = wc->len;
memcpy(nc->buf, wc->buf, wc->len);
nc->buf[nc->len] = '\0';
}
}
if(wc->ref) {
nc->ref = asn1p_ref_clone(wc->ref);
}
if(!nc->ref && !nc->buf) {
asn1p_wsyntx_chunk_free(nc);
return NULL;
}
}
return nc;
}
asn1p_wsyntx_t *
asn1p_wsyntx_new() {
asn1p_wsyntx_t *wx;
wx = calloc(1, sizeof(*wx));
if(wx) {
TQ_INIT(&(wx->chunks));
}
return wx;
}
void
asn1p_wsyntx_free(asn1p_wsyntx_t *wx) {
if(wx) {
asn1p_wsyntx_chunk_t *wc;
while((wc = TQ_REMOVE(&(wx->chunks), next)))
asn1p_wsyntx_chunk_free(wc);
free(wx);
}
}
asn1p_wsyntx_t *
asn1p_wsyntx_clone(asn1p_wsyntx_t *wx) {
asn1p_wsyntx_t *nw;
nw = asn1p_wsyntx_new();
if(nw) {
asn1p_wsyntx_chunk_t *wc;
asn1p_wsyntx_chunk_t *nc;
TQ_FOR(wc, &(wx->chunks), next) {
nc = asn1p_wsyntx_chunk_clone(wc);
if(nc) {
TQ_ADD(&(nw->chunks), nc, next);
} else {
asn1p_wsyntx_free(nw);
return NULL;
}
}
}
return nw;
}
asn1p_wsyntx_chunk_t *
asn1p_wsyntx_chunk_fromref(asn1p_ref_t *ref, int do_copy) {
asn1p_wsyntx_chunk_t *wc;
if(do_copy) {
static asn1p_wsyntx_chunk_t tmp;
tmp.ref = ref;
wc = asn1p_wsyntx_chunk_clone(&tmp);
} else {
wc = asn1p_wsyntx_chunk_new();
if(wc) wc->ref = ref;
}
return wc;
}
asn1p_wsyntx_chunk_t *
asn1p_wsyntx_chunk_frombuf(char *buf, int len, int do_copy) {
asn1p_wsyntx_chunk_t *wc;
if(do_copy) {
static asn1p_wsyntx_chunk_t tmp;
tmp.buf = buf;
tmp.len = len;
wc = asn1p_wsyntx_chunk_clone(&tmp);
} else {
wc = asn1p_wsyntx_chunk_new();
if(wc) {
wc->buf = buf;
wc->len = len;
}
}
return wc;
}