From 8f0e034cf2eef0e554e7016d792de365c38f6d8c Mon Sep 17 00:00:00 2001
From: Dave Beazley <dave-swig@dabeaz.com>
Date: Sun, 9 Jul 2000 21:24:14 +0000
Subject: [PATCH] Fixed bug in string replace.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@543 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 Source/DOH/Doh/string.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/DOH/Doh/string.c b/Source/DOH/Doh/string.c
index 16de665f9..3246797fe 100644
--- a/Source/DOH/Doh/string.c
+++ b/Source/DOH/Doh/string.c
@@ -332,6 +332,7 @@ String_write(DOH *so, void *buffer, int len) {
   int    newlen;
   String *s = (String *) ObjData(so);
   s->hashkey = -1;
+  if (s->sp > s->len) s->sp = s->len;
   newlen = s->sp + len+1;
   if (newlen > s->maxsize) {
     s->str = (char *) DohRealloc(s->str,newlen);
@@ -599,6 +600,7 @@ int replace_simple(String *str, char *token, char *rep, int flags, int count, ch
       memmove(t,s,(str->str + str->len) - s + 1);
     }
     str->len += expand;
+    if (str->sp >= str->len) str->sp += expand;  /* Fix the end of file pointer */
     return rcount;
   }
   /* The string is expanding as a result of the replacement */
@@ -687,6 +689,7 @@ int replace_simple(String *str, char *token, char *rep, int flags, int count, ch
     }
     c = str->str;
     str->str = ns;
+    if (str->sp >= str->len) str->sp += expand;
     str->len += expand;
     str->maxsize = newsize;
     DohFree(c);