libbb: fix vasprintf implementation

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

1 files changed, 2 insertions, 1 deletions

diff --git a/libbb/platform.c b/libbb/platform.c
index fdd388259..17ad3f75a 100644
--- 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);