From 4f2fc17a8f61fd5524ecafa8f26fff11b967235f Mon Sep 17 00:00:00 2001
From: David Anderson <dvander@alliedmods.net>
Date: Fri, 2 Jul 2010 18:16:50 -0700
Subject: [PATCH] Fixed staging buffers reallocating on every operation (bug
 3820, r=fyren+fyren).

---
 sourcepawn/compiler/sc7.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/sourcepawn/compiler/sc7.c b/sourcepawn/compiler/sc7.c
index 82096c25..6d5e3fdd 100644
--- a/sourcepawn/compiler/sc7.c
+++ b/sourcepawn/compiler/sc7.c
@@ -82,25 +82,25 @@ static char *stgpipe=NULL;
 static int pipemax=0;   /* current size of the stage pipe, a second staging buffer */
 static int pipeidx=0;
 
-#define CHECK_STGBUFFER(index) if ((int)(index)>=stgmax)  grow_stgbuffer(&stgbuf, stgmax, (index)+1)
-#define CHECK_STGPIPE(index)   if ((int)(index)>=pipemax) grow_stgbuffer(&stgpipe, pipemax, (index)+1)
+#define CHECK_STGBUFFER(index) if ((int)(index)>=stgmax)  grow_stgbuffer(&stgbuf, &stgmax, (index)+1)
+#define CHECK_STGPIPE(index)   if ((int)(index)>=pipemax) grow_stgbuffer(&stgpipe, &pipemax, (index)+1)
 
-static void grow_stgbuffer(char **buffer, int curmax, int requiredsize)
+static void grow_stgbuffer(char **buffer, int *curmax, int requiredsize)
 {
   char *p;
   int clear= (*buffer==NULL); /* if previously none, empty buffer explicitly */
 
-  assert(curmax<requiredsize);
+  assert(*curmax<requiredsize);
   /* if the staging buffer (holding intermediate code for one line) grows
    * over a few kBytes, there is probably a run-away expression
    */
   if (requiredsize>sSTG_MAX)
     error(102,"staging buffer");    /* staging buffer overflow (fatal error) */
-  curmax=requiredsize+sSTG_GROW;
+  *curmax=requiredsize+sSTG_GROW;
   if (*buffer!=NULL)
-    p=(char *)realloc(*buffer,curmax*sizeof(char));
+    p=(char *)realloc(*buffer,*curmax*sizeof(char));
   else
-    p=(char *)malloc(curmax*sizeof(char));
+    p=(char *)malloc(*curmax*sizeof(char));
   if (p==NULL)
     error(102,"staging buffer");    /* staging buffer overflow (fatal error) */
   *buffer=p;