clean up, remove unused function

headers/gapbuffer.hpp

@@ -167,7 +167,7 @@ unsigned data(const gap_buf &src, unsigned from, unsigned to)
 	lnbuf[to - from] = 0;
 	lnbuf[to - from + 1] = 0;
 	// try some special cases where 1 copy is required
-	if (src.gps == src.len && src.gpe == src.cpt) // gap ends at end so don't bother
+	if (src.gps == src.len && src.gpe == src.cpt) // gap ends at end
 		memcpy(lnbuf, src.buffer + from, min(to, src.gps));
 	else if (src.gps == 0) // x = 0; gap at start
 		memcpy(lnbuf, src.buffer + from + src.gpe + 1, min(to, src.len) - from);

headers/vars.hpp

@@ -13,10 +13,10 @@ std::list<gap_buf>::iterator it;
 WINDOW *header_win, *ln_win, *text_win;
 wchar_t s[6];
 char s2[6];
-unsigned char y, x, rx, len;
-// offset in y axis of text and screen
+unsigned char y, x, len;
+// offset in y axis of text and screen, x axis equivalents are in gapbuffer
 long ofy;
-unsigned ry;
+unsigned ry, rx;
 unsigned buf_indx, printed, previndx, ppi;
 unsigned maxy, maxx; // to store the maximum rows and columns
 int ch;

main.cpp

@@ -78,7 +78,8 @@ int main(int argc, char *argv[])
 	//goto stop;
 	while (1) {
 		getyx(text_win, y, x);
-		if (x >= min(ry < curnum ? (it->len - 1 - ofx) : (it->len - ofx), maxx)) // if out of bounds: move (to avoid bugs)
+		// if out of bounds: move (to avoid bugs)
+		if (x >= min(ry < curnum ? (it->len - 1 - ofx) : (it->len - ofx), maxx))
 			wmove(text_win, y, min((ry != curnum ? it->len - ofx - 1 : it->len - ofx), maxx));
 		getyx(text_win, y, x);
 		ry = y + ofy; // calculate offsets

utils/io.cpp

@@ -40,9 +40,9 @@ long print_line(gap_buf &buffer)
 	if (buffer.len == 0)
 		return 0;
 	unsigned rlen = data(buffer, 0, min(buffer.len, maxx)) - 1;
-	if (lnbuf[rlen-1] == '\n')
+	if (lnbuf[rlen - 1] == '\n')
 		--rlen;
-	for (unsigned i = 0; i < rlen && getcurx(text_win) < maxx-1; ++i)
+	for (unsigned i = 0; i < rlen && getcurx(text_win) < maxx - 1; ++i)
 		waddnstr(text_win, lnbuf + i, 1);
 	return rlen;
 }
@@ -111,23 +111,6 @@ void read_fgets(FILE *fi)
 	}
 }
 
-inline void ins_b(char ch)
-{
-	it->buffer[it->len++] = ch;
-	if (it->len >= it->cpt) { [[likely]]
-		it->cpt *= 2;
-		it->buffer = (char*)realloc(it->buffer, it->cpt);
-	} if (ch == '\n')  { [[unlikely]]
-		it->gps = it->len;
-		it->gpe = it->cpt;
-		if (++curnum >= txt_cpt) { [[unlikely]]
-			txt_cpt *= 2;
-			text.resize(txt_cpt);
-		}
-		++it;
-	}
-}
-
 inline long whereis(const char *str,  char ch)
 {
 	const char *end = strchr(str, ch);
@@ -151,7 +134,7 @@ void read_fread(FILE *fi)
 	unsigned a, j = 0;
 	long res;
 	while ((a = fread(tmp, sizeof(tmp[0]), SZ, fi))) {
-		tmp[a+1] = 0;
+		tmp[a + 1] = 0;
 		res = whereis(tmp, '\n');
 		if (res > 0) { // found newline
 			while ((res = whereis(tmp + j, '\n')) > -1) {