Make escape() return a wcstring

This avoids the potential for leaking the resulting string.

1 files changed, 2 insertions, 2 deletions

diff --git a/common.h b/common.h
index 7932c870..a5ec50ab 100644
--- a/common.h
+++ b/common.h
@@ -808,10 +808,10 @@ void print_stderr(const wcstring &str);
 
    \param in The string to be escaped
    \param flags Flags to control the escaping
-   \return The escaped string, or 0 if there is not enough memory
+   \return The escaped string
 */
 
-wchar_t *escape(const wchar_t *in, escape_flags_t flags);
+wcstring escape(const wchar_t *in, escape_flags_t flags);
 wcstring escape_string(const wcstring &in, escape_flags_t flags);
 
 /**