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#include <aplwc_internal.h>
enum aplwc_rc
aplwc_new(struct aplwc **p, uint8_t *data, size_t size)
{
struct memory m;
m = memory_init(data, size);
*p = memory_alloc_aplwc(&m);
if(*p == NULL)
return APLWC_OUT_OF_MEMORY;
(*p)->memory = m;
return APLWC_OK;
}
enum aplwc_rc
aplwc_destroy(struct aplwc *p)
{
if(p)
memory_free_aplwc(&p->memory, p);
return APLWC_OK;
}
const char *
aplwc_errstr(struct aplwc *aplwc)
{
enum { BUF_SIZE = 256 };
static char buf[BUF_SIZE];
const char *err, *msg;
char *p;
size_t len, i;
buf[0] = 0;
p = buf;
err = msg = NULL;
if(aplwc){
err = rc_to_string(aplwc->last_error);
msg = aplwc->last_error_msg;
}
if(!err)
err = "(unable to produce error string)";
for(i = 0, len = strlen(err); (i <= len) && (((p+i)-buf) < (BUF_SIZE-1)); i++)
p[i] = err[i];
p += i;
if(msg){
if(((buf-p)+2) < BUF_SIZE){
*(p++) = ':';
*(p++) = ' ';
}
for(i = 0, len = strlen(msg); (i <= len) && (((p+i)-buf) < (BUF_SIZE-1)); i++)
p[i] = msg[i];
p += i;
*p = 0;
}
return buf;
}
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