Tweak comments.

[gnulib.git] / lib / exclude.c

diff --git a/lib/exclude.c b/lib/exclude.c
index ffe136f..7c038b2 100644 (file)
--- a/lib/exclude.c
+++ b/lib/exclude.c
@@ -267,21 +267,25 @@ add_exclude_file (void (*add_func) (struct exclude *, char const *, int),
     e = errno;
 
   buf = xrealloc (buf, buf_count + 1);
+  buf[buf_count] = line_end;
+  lim = buf + buf_count + ! (buf_count == 0 || buf[buf_count - 1] == line_end);
+  pattern = buf;
 
-  for (pattern = p = buf, lim = buf + buf_count;  p <= lim;  p++)
-    if (p < lim ? *p == line_end : buf < p && p[-1])
+  for (p = buf; p < lim; p++)
+    if (*p == line_end)
       {
+       char *pattern_end = p;
+
        if (is_space (line_end))
          {
-           char *pattern_end = p;
            for (; ; pattern_end--)
              if (pattern_end == pattern)
                goto next_pattern;
              else if (! is_space (pattern_end[-1]))
                break;
-           *pattern_end = '\0';
          }
 
+       *pattern_end = '\0';
        (*add_func) (ex, pattern, options);
 
       next_pattern: