+/*
+ * Helper routine for clipme(): growing buffer.
+ */
+typedef struct {
+ int buflen; /* amount of allocated space in textbuf/attrbuf */
+ int bufpos; /* amount of actual data */
+ wchar_t *textbuf; /* buffer for copied text */
+ wchar_t *textptr; /* = textbuf + bufpos (current insertion point) */
+ int *attrbuf; /* buffer for copied attributes */
+ int *attrptr; /* = attrbuf + bufpos */
+} clip_workbuf;
+
+static void clip_addchar(clip_workbuf *b, wchar_t chr, int attr)
+{
+ if (b->bufpos >= b->buflen) {
+ b->buflen += 128;
+ b->textbuf = sresize(b->textbuf, b->buflen, wchar_t);
+ b->textptr = b->textbuf + b->bufpos;
+ b->attrbuf = sresize(b->attrbuf, b->buflen, int);
+ b->attrptr = b->attrbuf + b->bufpos;
+ }
+ *b->textptr++ = chr;
+ *b->attrptr++ = attr;
+ b->bufpos++;
+}
+