(memrchr): Remove #if-0'd function.

(tac_stdin_to_mem): Clean up #if-0'd code.

diff --git a/src/tac.c b/src/tac.c
index e0bc93b..172f0d7 100644 (file)
--- 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;