do not segfault on empty filename to escape.

Avoid case where e_exec (and possible others) gives
e_util_filename_escape() a NULL parameter, actually another bug, but
does not hurt to safe guard this one.

By: manio

SVN revision: 40979

diff --git a/src/bin/e_utils.c b/src/bin/e_utils.c
index a941ee3..177cbfe 100644 (file)
--- a/src/bin/e_utils.c
+++ b/src/bin/e_utils.c
@@ -652,6 +652,7 @@ e_util_filename_escape(const char *filename)
    char *q;
    static char buf[4096];
 
+   if (!filename) return NULL;
    p = filename;
    q = buf;
    while (*p)