get_ref_dir(): return early if directory cannot be read

diff --git a/help.c b/help.c
index 42193550f0b6f2a2c703c20c7abf1a81fe1b51d0..14eefc91ced3890975d0833ffc83971c7986858b 100644 (file)
--- a/help.c
+++ b/help.c
@@ -5,28 +5,6 @@
 #include "help.h"
 #include "common-cmds.h"
 
-/* most GUI terminals set COLUMNS (although some don't export it) */
-static int term_columns(void)
-{
-       char *col_string = getenv("COLUMNS");
-       int n_cols;
-
-       if (col_string && (n_cols = atoi(col_string)) > 0)
-               return n_cols;
-
-#ifdef TIOCGWINSZ
-       {
-               struct winsize ws;
-               if (!ioctl(1, TIOCGWINSZ, &ws)) {
-                       if (ws.ws_col)
-                               return ws.ws_col;
-               }
-       }
-#endif
-
-       return 80;
-}
-
 void add_cmdname(struct cmdnames *cmds, const char *name, int len)
 {
        struct cmdname *ent = xmalloc(sizeof(*ent) + len + 1);
@@ -127,7 +105,10 @@ static int is_executable(const char *name)
            !S_ISREG(st.st_mode))
                return 0;
 
-#ifdef WIN32
+#if defined(WIN32) || defined(__CYGWIN__)
+#if defined(__CYGWIN__)
+if ((st.st_mode & S_IXUSR) == 0)
+#endif
 {      /* cannot trust the executable bit, peek into the file instead */
        char buf[3] = { 0 };
        int n;