use ngx_min() and ngx_max()
diff --git a/src/core/ngx_output_chain.c b/src/core/ngx_output_chain.c
index 3ff25ff..f51d690 100644
--- a/src/core/ngx_output_chain.c
+++ b/src/core/ngx_output_chain.c
@@ -465,10 +465,7 @@
dst = ctx->buf;
size = ngx_buf_size(src);
-
- if (size > dst->end - dst->pos) {
- size = dst->end - dst->pos;
- }
+ size = ngx_min(size, dst->end - dst->pos);
sendfile = ctx->sendfile & !ctx->directio;
diff --git a/src/core/ngx_string.c b/src/core/ngx_string.c
index f513753..95ac9cb 100644
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -229,9 +229,7 @@
case 'V':
v = va_arg(args, ngx_str_t *);
- len = v->len;
- len = (buf + len < last) ? len : (size_t) (last - buf);
-
+ len = ngx_min(((size_t) (last - buf)), v->len);
buf = ngx_cpymem(buf, v->data, len);
fmt++;
@@ -240,9 +238,7 @@
case 'v':
vv = va_arg(args, ngx_variable_value_t *);
- len = vv->len;
- len = (buf + len < last) ? len : (size_t) (last - buf);
-
+ len = ngx_min(((size_t) (last - buf)), vv->len);
buf = ngx_cpymem(buf, vv->data, len);
fmt++;
@@ -257,8 +253,7 @@
}
} else {
- len = (buf + slen < last) ? slen : (size_t) (last - buf);
-
+ len = ngx_min(((size_t) (last - buf)), slen);
buf = ngx_cpymem(buf, p, len);
}
diff --git a/src/http/modules/ngx_http_log_module.c b/src/http/modules/ngx_http_log_module.c
index 0752d03..1796ee2 100644
--- a/src/http/modules/ngx_http_log_module.c
+++ b/src/http/modules/ngx_http_log_module.c
@@ -533,7 +533,7 @@
ms = (ngx_msec_int_t)
((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec));
- ms = (ms >= 0) ? ms : 0;
+ ms = ngx_max(ms, 0);
return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000);
}
diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 273d357..522a605 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -3710,7 +3710,7 @@
if (state[i].status) {
ms = (ngx_msec_int_t)
(state[i].response_sec * 1000 + state[i].response_msec);
- ms = (ms >= 0) ? ms : 0;
+ ms = ngx_max(ms, 0);
p = ngx_sprintf(p, "%d.%03d", ms / 1000, ms % 1000);
} else {