From 12fbaf7c9c8ff939a62443c09cf1da31a0d2f0ab Mon Sep 17 00:00:00 2001
From: leitner <leitner>
Date: Sat, 11 May 2002 15:19:56 +0000
Subject: [PATCH] make buffer_get_token write \0 to buffer on end of file so it
 can be distinguished from a length 0 token.

---
 CHANGES                   | 1 +
 buffer.h                  | 5 +++++
 buffer/buffer_get_token.c | 2 +-
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 3b016f2..9882d5b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,5 @@
 0.13:
+  fixed several bugs in test/uudecode.c
 
 0.12:
   add textcode api for uuencode/uudecode, base64, quoted printable,
diff --git a/buffer.h b/buffer.h
index bf00102..8d3d26a 100644
--- a/buffer.h
+++ b/buffer.h
@@ -38,6 +38,11 @@ extern int buffer_bget(buffer* b,char* x,unsigned int len);
 extern int buffer_feed(buffer* b);
 extern int buffer_getc(buffer* b,char* x);
 extern int buffer_getn(buffer* b,char* x,unsigned int len);
+
+/* read bytes until the destination buffer is full (len bytes), end of
+ * file is reached or the read char is in charset (setlen bytes).  An
+ * empty line when looking for \n will write '\n' to x and return 0.  If
+ * EOF is reached, \0 is written to the buffer */
 extern int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsigned int setlen);
 #define buffer_getline(b,x,len) buffer_get_token((b),(x),(len),"\n",1)
 
diff --git a/buffer/buffer_get_token.c b/buffer/buffer_get_token.c
index f58e496..e49ff2e 100644
--- a/buffer/buffer_get_token.c
+++ b/buffer/buffer_get_token.c
@@ -8,7 +8,7 @@ int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsi
   for (blen=0;blen<len;++blen) {
     register int r;
     if ((r=buffer_getc(b,x))<0) return r;
-    if (r==0) break;
+    if (r==0) { *x=0; break; }
     if (byte_chr(charset,setlen,*x)<setlen) break;
     ++x;
   }