From 0f92800921c706de0bd872f7eff30047a99c734d Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Tue, 26 May 2020 00:04:13 +0200
Subject: [PATCH] cgen: string buffer fix

---
 vlib/v/gen/cgen.v     | 5 +++++
 vlib/v/gen/cheaders.v | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/vlib/v/gen/cgen.v b/vlib/v/gen/cgen.v
index 3d6f39bd94..a344d7d359 100644
--- a/vlib/v/gen/cgen.v
+++ b/vlib/v/gen/cgen.v
@@ -2489,6 +2489,11 @@ fn (mut g Gen) write_init_function() {
 	}
 	fn_vinit_start_pos := g.out.len
 	g.writeln('void _vinit() {')
+	if g.pref.autofree {
+		// Pre-allocate the string buffer
+		// TODO make it configurable
+		g.writeln('g_str_buf = malloc(1024 * 1000);')
+	}
 	g.writeln('\tbuiltin_init();')
 	g.writeln('\tvinit_string_literals();')
 	g.writeln(g.inits.str())
diff --git a/vlib/v/gen/cheaders.v b/vlib/v/gen/cheaders.v
index 72eee12e7c..82b26b1a2b 100644
--- a/vlib/v/gen/cheaders.v
+++ b/vlib/v/gen/cheaders.v
@@ -240,7 +240,8 @@ void* g_live_info = NULL;
 #endif
 
 //================================== GLOBALS =================================*/
-byte g_str_buf[1024];
+//byte g_str_buf[1024];
+byte* g_str_buf;
 int load_so(byteptr);
 void reload_so();
 void _vinit();