ngx_strcasecmp()/ngx_strncasecmp()

src/http/modules/ngx_http_addition_filter_module.c

diff --git a/src/http/modules/ngx_http_addition_filter_module.c b/src/http/modules/ngx_http_addition_filter_module.c
index 5025f56..9480082 100644
--- a/src/http/modules/ngx_http_addition_filter_module.c
+++ b/src/http/modules/ngx_http_addition_filter_module.c
@@ -100,8 +100,8 @@
         return ngx_http_next_header_filter(r);
     }
 
-    if (ngx_strncasecmp(r->headers_out.content_type.data, "text/html",
-                        sizeof("text/html") - 1)
+    if (ngx_strncasecmp(r->headers_out.content_type.data,
+                        (u_char *) "text/html", sizeof("text/html") - 1)
         != 0)
     {
         return ngx_http_next_header_filter(r);

src/http/modules/ngx_http_charset_filter_module.c

diff --git a/src/http/modules/ngx_http_charset_filter_module.c b/src/http/modules/ngx_http_charset_filter_module.c
index cae9bbe..0139cc6 100644
--- a/src/http/modules/ngx_http_charset_filter_module.c
+++ b/src/http/modules/ngx_http_charset_filter_module.c
@@ -239,8 +239,10 @@
             } else {
                 ct = r->headers_out.content_type.data;
 
-                if (ngx_strncasecmp(ct, "text/", 5) != 0
-                    && ngx_strncasecmp(ct, "application/x-javascript", 24) != 0)
+                if (ngx_strncasecmp(ct, (u_char *) "text/", 5) != 0
+                    && ngx_strncasecmp(ct,
+                                      (u_char *) "application/x-javascript", 24)
+                       != 0)
                 {
                     return ngx_http_next_header_filter(r);
                 }
@@ -1118,7 +1120,7 @@
     table->src = src;
     table->dst = dst;
 
-    if (ngx_strcasecmp(value[2].data, "utf-8") == 0) {
+    if (ngx_strcasecmp(value[2].data, (u_char *) "utf-8") == 0) {
         table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN);
         if (table->src2dst == NULL) {
             return NGX_CONF_ERROR;
@@ -1372,7 +1374,7 @@
     c->name = *name;
     c->length = 0;
 
-    if (ngx_strcasecmp(name->data, "utf-8") == 0) {
+    if (ngx_strcasecmp(name->data, (u_char *) "utf-8") == 0) {
         c->utf8 = 1;
 
     } else {

src/http/modules/ngx_http_headers_filter_module.c

diff --git a/src/http/modules/ngx_http_headers_filter_module.c b/src/http/modules/ngx_http_headers_filter_module.c
index 8d17b43..599bd14 100644
--- a/src/http/modules/ngx_http_headers_filter_module.c
+++ b/src/http/modules/ngx_http_headers_filter_module.c
@@ -411,7 +411,7 @@
 
     value = cf->args->elts;
 
-    if (ngx_strcasecmp(value[1].data, "cache-control") == 0) {
+    if (ngx_strcasecmp(value[1].data, (u_char *) "cache-control") == 0) {
         hcf->cache_control = value[2];
         return NGX_CONF_OK;
     }

src/http/modules/ngx_http_proxy_module.c

diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 63ee8fd..cbd2ce8 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -2111,11 +2111,11 @@
 
     url = &value[1];
 
-    if (ngx_strncasecmp(url->data, "http://", 7) == 0) {
+    if (ngx_strncasecmp(url->data, (u_char *) "http://", 7) == 0) {
         add = 7;
         port = 80;
 
-    } else if (ngx_strncasecmp(url->data, "https://", 8) == 0) {
+    } else if (ngx_strncasecmp(url->data, (u_char *) "https://", 8) == 0) {
 
 #if (NGX_HTTP_SSL)
 

src/http/modules/ngx_http_range_filter_module.c

diff --git a/src/http/modules/ngx_http_range_filter_module.c b/src/http/modules/ngx_http_range_filter_module.c
index 0c945d8..62b537f 100644
--- a/src/http/modules/ngx_http_range_filter_module.c
+++ b/src/http/modules/ngx_http_range_filter_module.c
@@ -152,7 +152,9 @@
 
     if (r->headers_in.range == NULL
         || r->headers_in.range->value.len < 7
-        || ngx_strncasecmp(r->headers_in.range->value.data, "bytes=", 6) != 0)
+        || ngx_strncasecmp(r->headers_in.range->value.data,
+                           (u_char *) "bytes=", 6)
+           != 0)
     {
         r->headers_out.accept_ranges = ngx_list_push(&r->headers_out.headers);
         if (r->headers_out.accept_ranges == NULL) {

src/http/modules/ngx_http_referer_module.c

diff --git a/src/http/modules/ngx_http_referer_module.c b/src/http/modules/ngx_http_referer_module.c
index f3597a1..b2c2ef5 100644
--- a/src/http/modules/ngx_http_referer_module.c
+++ b/src/http/modules/ngx_http_referer_module.c
@@ -106,7 +106,7 @@
     ref = r->headers_in.referer->value.data;
 
     if (len < sizeof("http://i.ru") - 1
-        || (ngx_strncasecmp(ref, "http://", 7) != 0))
+        || (ngx_strncasecmp(ref, (u_char *) "http://", 7) != 0))
     {
         if (rlcf->blocked_referer) {
             goto valid;

src/http/modules/ngx_http_ssi_filter_module.c

diff --git a/src/http/modules/ngx_http_ssi_filter_module.c b/src/http/modules/ngx_http_ssi_filter_module.c
index c8e11bf..e1d0e92 100644
--- a/src/http/modules/ngx_http_ssi_filter_module.c
+++ b/src/http/modules/ngx_http_ssi_filter_module.c
@@ -1890,10 +1890,13 @@
             return NGX_HTTP_SSI_ERROR;
         }
 
-        if (wait->len == 2 && ngx_strncasecmp(wait->data, "no", 2) == 0) {
+        if (wait->len == 2
+            && ngx_strncasecmp(wait->data, (u_char *) "no", 2) == 0)
+        {
             wait = NULL;
 
-        } else if (wait->len != 3 || ngx_strncasecmp(wait->data, "yes", 3) != 0)
+        } else if (wait->len != 3
+                   || ngx_strncasecmp(wait->data, (u_char *) "yes", 3) != 0)
         {
             ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                           "invalid value \"%V\" in the \"wait\" parameter",