buffer: drop buffer_move function

buffer.c

@@ -157,12 +157,6 @@ const char *buffer_content0(Buffer *buf) {
 	return buf->data;
 }
 
-char *buffer_move(Buffer *buf) {
-	char *data = buf->data;
-	*buf = (Buffer){0};
-	return data;
-}
-
 ssize_t read_into_buffer(void *context, char *data, size_t len) {
 	buffer_append(context, data, len);
 	return len;

buffer.h

@@ -57,13 +57,6 @@ size_t buffer_length0(Buffer*);
  * Guaranteed to return a NUL terminated string even if buffer is empty.
  */
 const char *buffer_content0(Buffer*);
-/**
- * Borrow underlying buffer data.
- * @rst
- * .. warning:: The caller is responsible to ``free(3)`` it.
- * @endrst
- */
-char *buffer_move(Buffer*);
 
 /** ``read(3p)`` like interface for reading into a Buffer (``context``) */
 ssize_t read_into_buffer(void *context, char *data, size_t len);

sam.c

@@ -597,7 +597,7 @@ static char *parse_until(const char **s, const char *until, const char *escchars
 
 	buffer_terminate(&buf);
 
-	return buffer_move(&buf);
+	return buf.data;
 }
 
 static char *parse_delimited(const char **s, int type) {
@@ -645,7 +645,7 @@ static char *parse_text(const char **s, Count *count) {
 		return NULL;
 	}
 
-	return buffer_move(&buf);
+	return buf.data;
 }
 
 static char *parse_shellcmd(Vis *vis, const char **s) {
@@ -683,7 +683,7 @@ static char *parse_cmdname(const char **s) {
 
 	buffer_terminate(&buf);
 
-	return buffer_move(&buf);
+	return buf.data;
 }
 
 static Regex *parse_regex(Vis *vis, const char **s) {

test/core/buffer-test.c

@@ -54,12 +54,7 @@ int main(int argc, char *argv[]) {
 	ok(buffer_append(&buf, "\0baz", 4) && compare(&buf, "foo\0bar\0baz", 11), "Append data");
 
 	ok(buffer_grow(&buf, cap+1) && compare(&buf, "foo\0bar\0baz", 11) && buf.size >= cap+1, "Grow");
-
-	const char *content = buf.data;
-	char *data = buffer_move(&buf);
-	ok(data == content && buf.len == 0 && buf.size == 0 && buf.data == NULL, "Move");
-	ok(buffer_append0(&buf, "foo") && buf.data != data, "Modify after move");
-	free(data);
+	buf.len = 0;
 
 	skip_if(TIS_INTERPRETER, 1, "vsnprintf not supported") {
 

vis.c

@@ -1861,12 +1861,8 @@ static int _vis_pipe_collect(Vis *vis, File *file, Filerange *range, const char*
 	                      fullscreen);
 	buffer_terminate(&bufout);
 	buffer_terminate(&buferr);
-	if (out)
-		*out = buffer_move(&bufout);
-	if (err)
-		*err = buffer_move(&buferr);
-	buffer_release(&bufout);
-	buffer_release(&buferr);
+	if (out) *out = bufout.data;
+	if (err) *err = buferr.data;
 	return status;
 }