From bf4248b344135e5b92ef73af2d9a5f9acb012879 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Tue, 4 Nov 2003 09:31:08 +0000
Subject: (memrchr): Remove #if-0'd function. (tac_stdin_to_mem): Clean up
 #if-0'd code.

---
 src/tac.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

(limited to 'src')

diff --git a/src/tac.c b/src/tac.c
index e0bc93b53..172f0d701 100644
--- a/src/tac.c
+++ b/src/tac.c
@@ -502,18 +502,6 @@ tac_stdin (void)
 #if 0
 /* BUF_END points one byte past the end of the buffer to be searched.  */
 
-static void *
-memrchr (const char *buf_start, const char *buf_end, int c)
-{
-  const char *p = buf_end;
-  while (buf_start <= --p)
-    {
-      if (*(const unsigned char *) p == c)
-	return (void *) p;
-    }
-  return NULL;
-}
-
 /* FIXME: describe */
 
 static void
@@ -571,19 +559,21 @@ tac_stdin_to_mem (void)
   while (1)
     {
       size_t bytes_read;
-      if (buf == NULL)
-	buf = (char *) malloc (bufsiz);
-      else
-	buf = (char *) realloc (buf, bufsiz);
+      char *new_buf = realloc (buf, bufsiz);
 
-      if (buf == NULL)
+      if (new_buf == NULL)
 	{
+	  /* Write contents of buf to a temporary file, ... */
+	  /* FIXME */
+
 	  /* Free the buffer and fall back on the code that relies on a
 	     temporary file.  */
 	  free (buf);
 	  /* FIXME */
 	  abort ();
 	}
+
+      buf = new_buf;
       bytes_read = safe_read (STDIN_FILENO, buf + n_bytes, bufsiz - n_bytes);
       if (bytes_read == 0)
 	break;
-- 
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