diff options
Diffstat (limited to 'erts/lib_src/common/erl_printf.c')
| -rw-r--r-- | erts/lib_src/common/erl_printf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/erts/lib_src/common/erl_printf.c b/erts/lib_src/common/erl_printf.c index 108a8bb531..afb9c0abb7 100644 --- a/erts/lib_src/common/erl_printf.c +++ b/erts/lib_src/common/erl_printf.c @@ -176,16 +176,18 @@ write_sn(void *vwsnap, char* buf, size_t len) write_sn_arg_t *wsnap = (write_sn_arg_t *) vwsnap; ASSERT(wsnap); ASSERT(len > 0); + int rv = 0; if (wsnap->len > 0) { size_t sz = len; if (sz >= wsnap->len) sz = wsnap->len; + rv = (int)sz; memcpy((void *) wsnap->buf, (void *) buf, sz); wsnap->buf += sz; wsnap->len -= sz; return sz; } - return 0; + return rv; } static int |