text: make text_vprintf static, it is only used within text.c

text.c

@@ -637,6 +637,19 @@ bool text_insert(Text *txt, size_t pos, const char *data, size_t len) {
 	return true;
 }
 
+static bool text_vprintf(Text *txt, size_t pos, const char *format, va_list ap) {
+	va_list ap_save;
+	va_copy(ap_save, ap);
+	int len = vsnprintf(NULL, 0, format, ap);
+	if (len == -1)
+		return false;
+	char *buf = malloc(len+1);
+	bool ret = buf && (vsnprintf(buf, len+1, format, ap_save) == len) && text_insert(txt, pos, buf, len);
+	free(buf);
+	va_end(ap_save);
+	return ret;
+}
+
 bool text_appendf(Text *txt, const char *format, ...) {
 	va_list ap;
 	va_start(ap, format);
@@ -653,19 +666,6 @@ bool text_printf(Text *txt, size_t pos, const char *format, ...) {
 	return ret;
 }
 
-bool text_vprintf(Text *txt, size_t pos, const char *format, va_list ap) {
-	va_list ap_save;
-	va_copy(ap_save, ap);
-	int len = vsnprintf(NULL, 0, format, ap);
-	if (len == -1)
-		return false;
-	char *buf = malloc(len+1);
-	bool ret = buf && (vsnprintf(buf, len+1, format, ap_save) == len) && text_insert(txt, pos, buf, len);
-	free(buf);
-	va_end(ap_save);
-	return ret;
-}
-
 size_t text_insert_newline(Text *txt, size_t pos) {
 	const char *data = text_newline_char(txt);
 	size_t len = strlen(data);

text.h

@@ -42,7 +42,6 @@ Text *text_load(const char *filename);
 struct stat text_stat(Text*);
 bool text_appendf(Text*, const char *format, ...);
 bool text_printf(Text*, size_t pos, const char *format, ...);
-bool text_vprintf(Text*, size_t pos, const char *format, va_list ap);
 /* inserts a line ending character (depending on file type) */
 size_t text_insert_newline(Text*, size_t pos);
 /* insert `len' bytes starting from `data' at `pos' which has to be