void printbuf_terminate_string(struct printbuf *const p)
{
if (p->size <= p->bpos + 1) {
if (printbuf_extend(p, p->bpos + 1) < 0)
--p->bpos; /* overwrite last byte, best we can do */
}
p->buf[p->bpos]= '\0';
}
/* add a single character to printbuf */
void printbuf_memappend_char(struct printbuf *p, const char c)
{
if (p->size <= p->bpos + 1) {
if (printbuf_extend(p, p->bpos + 1) < 0)
/* ignore new data, best we can do */
return;
}
p->buf[p->bpos++]= c;
}
/* same as printbuf_memappend(), but contains some performance enhancements */
void printbuf_memappend_no_nul(struct printbuf *p, const char *buf, const int size)
{
if (p->size <= p->bpos + size) {
if (printbuf_extend(p, p->bpos + size) < 0)
/* ignore new data, best we can do */
return;
}
memcpy(p->buf + p->bpos, buf, size);
p->bpos += size;
}
size_t printbuf_memappend(struct printbuf *p, const char *buf, size_t size)
{
if (p->size <= p->bpos + size + 1) {
if (printbuf_extend(p, p->bpos + size + 1) < 0)
return -1;
}
memcpy(p->buf + p->bpos, buf, size);
p->bpos += size;
p->buf[p->bpos]= '\0';
return size;
}
int printbuf_memset(struct printbuf *pb, int offset, int charvalue, int len)
{
int size_needed;
if (offset == -1)
offset = pb->bpos;
size_needed = offset + len;
if (pb->size < size_needed) {
if (printbuf_extend(pb, size_needed) < 0)
return -1;
}
memset(pb->buf + offset, charvalue, len);
if (pb->bpos < size_needed)
pb->bpos = size_needed;
return 0;
}
