libbb: fix vasprintf implementation

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/libbb/platform.c b/libbb/platform.c
index fdd3882..17ad3f7 100644 (file)
--- a/libbb/platform.c
+++ b/libbb/platform.c
@@ -30,7 +30,8 @@ int FAST_FUNC vasprintf(char **string_ptr, const char *format, va_list p)
 
        if (r < 128) {
                va_end(p2);
-               return xstrdup(buf);
+               *string_ptr = xstrdup(buf);
+               return r;
        }
 
        *string_ptr = xmalloc(r+1);