term_update(term);
}
+/*
+ * 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++;
+}
+
static void clipme(Terminal *term, pos top, pos bottom, int rect, int desel)
{
- wchar_t *workbuf;
- wchar_t *wbptr; /* where next char goes within workbuf */
+ clip_workbuf buf;
int old_top_x;
- int wblen = 0; /* workbuf len */
- int buflen; /* amount of memory allocated to workbuf */
- int *attrbuf; /* Attribute buffer */
- int *attrptr;
int attr;
- buflen = 5120; /* Default size */
- workbuf = snewn(buflen, wchar_t);
- attrbuf = buflen ? snewn(buflen, int) : 0;
- wbptr = workbuf; /* start filling here */
- attrptr = attrbuf;
+ buf.buflen = 5120;
+ buf.bufpos = 0;
+ buf.textptr = buf.textbuf = snewn(buf.buflen, wchar_t);
+ buf.attrptr = buf.attrbuf = snewn(buf.buflen, int);
+
old_top_x = top.x; /* needed for rect==1 */
while (poslt(top, bottom)) {
* newline at the end)...
*/
if (!(ldata->lattr & LATTR_WRAPPED)) {
- while (IS_SPACE_CHR(ldata->chars[nlpos.x - 1].chr) &&
+ while (nlpos.x &&
+ IS_SPACE_CHR(ldata->chars[nlpos.x - 1].chr) &&
!ldata->chars[nlpos.x - 1].cc_next &&
poslt(top, nlpos))
decpos(nlpos);
}
#endif
- for (p = cbuf; *p; p++) {
- /* Enough overhead for trailing NL and nul */
- if (wblen >= buflen - 16) {
- buflen += 100;
- workbuf = sresize(workbuf, buflen, wchar_t);
- wbptr = workbuf + wblen;
- attrbuf = sresize(attrbuf, buflen, int);
- attrptr = attrbuf + wblen;
- }
- wblen++;
- *wbptr++ = *p;
- *attrptr++ = attr;
- }
+ for (p = cbuf; *p; p++)
+ clip_addchar(&buf, *p, attr);
if (ldata->chars[x].cc_next)
x += ldata->chars[x].cc_next;
}
if (nl) {
int i;
- for (i = 0; i < sel_nl_sz; i++) {
- wblen++;
- *wbptr++ = sel_nl[i];
- *attrptr++ = 0;
- }
+ for (i = 0; i < sel_nl_sz; i++)
+ clip_addchar(&buf, sel_nl[i], 0);
}
top.y++;
top.x = rect ? old_top_x : 0;
unlineptr(ldata);
}
#if SELECTION_NUL_TERMINATED
- wblen++;
- *wbptr++ = 0;
+ clip_addchar(&buf, 0, 0);
#endif
- write_clip(term->frontend, workbuf, attrbuf, wblen, desel); /* transfer to clipbd */
- if (buflen > 0) /* indicates we allocated this buffer */
- sfree(workbuf);
+ /* Finally, transfer all that to the clipboard. */
+ write_clip(term->frontend, buf.textbuf, buf.attrbuf, buf.bufpos, desel);
+ sfree(buf.textbuf);
+ sfree(buf.attrbuf);
}
void term_copyall(Terminal *term)