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-rw-r--r--erts/lib_src/common/erl_printf.c4
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