From: Kazu Hirata <kazu@codesourcery.com>
Date: Fri, 3 Oct 2008 20:21:33 +0000 (+0000)
Subject: 	* listing.c (buffer_line): Open the source file with FOPEN_RB.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7e66d8acd2b8ed427ae11d18d249c42ffc2a16d7;p=binutils-gdb.git

	* listing.c (buffer_line): Open the source file with FOPEN_RB.
	Manually process line ends.
---

diff --git a/gas/ChangeLog b/gas/ChangeLog
index 1054ef3e8db..73b158a8c78 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2008-10-03  Kazu Hirata  <kazu@codesourcery.com>
+
+	* listing.c (buffer_line): Open the source file with FOPEN_RB.
+	Manually process line ends.
+
 2008-09-30  Wesley W. Terpstra  <wesley@terpstra.ca>
 	    Nick Clifton  <nickc@redhat.com>
 
diff --git a/gas/listing.c b/gas/listing.c
index d0e20429db6..025a2ca6742 100644
--- a/gas/listing.c
+++ b/gas/listing.c
@@ -471,8 +471,10 @@ buffer_line (file_info_type *file, char *line, unsigned int size)
 	  fclose (last_open_file);
 	}
 
+      /* Open the file in the binary mode so that ftell above can
+	 return a reliable value that we can feed to fseek below.  */
       last_open_file_info = file;
-      last_open_file = fopen (file->filename, FOPEN_RT);
+      last_open_file = fopen (file->filename, FOPEN_RB);
       if (last_open_file == NULL)
 	{
 	  file->at_end = 1;
@@ -489,7 +491,7 @@ buffer_line (file_info_type *file, char *line, unsigned int size)
   /* Leave room for null.  */
   size -= 1;
 
-  while (c != EOF && c != '\n')
+  while (c != EOF && c != '\n' && c != '\r')
     {
       if (count < size)
 	*p++ = c;
@@ -498,6 +500,17 @@ buffer_line (file_info_type *file, char *line, unsigned int size)
       c = fgetc (last_open_file);
 
     }
+
+  /* If '\r' is followed by '\n', swallow that.  Likewise, if '\n'
+     is followed by '\r', swallow that as well.  */
+  if (c == '\r' || c == '\n')
+    {
+      int next = fgetc (last_open_file);
+      if ((c == '\r' && next != '\n')
+	  || (c == '\n' && next != '\r'))
+	ungetc (next, last_open_file);
+    }
+
   if (c == EOF)
     {
       file->at_end = 1;