Remove unnecessary typecast

lib/asyn-ares.c

@@ -572,7 +572,7 @@ Curl_addrinfo *Curl_resolver_getaddrinfo(struct connectdata *conn,
     conn->async.done = FALSE;   /* not done */
     conn->async.status = 0;     /* clear */
     conn->async.dns = NULL;     /* clear */
-    res = (struct ResolverResults *)calloc(sizeof(struct ResolverResults),1);
+    res = calloc(sizeof(struct ResolverResults),1);
     if(!res) {
       Curl_safefree(conn->async.hostname);
       conn->async.hostname = NULL;

lib/cookie.c

@@ -877,7 +877,7 @@ struct Cookie *Curl_cookie_getlist(struct CookieInfo *c,
     size_t i;
 
     /* alloc an array and store all cookie pointers */
-    array = (struct Cookie **)malloc(sizeof(struct Cookie *) * matches);
+    array = malloc(sizeof(struct Cookie *) * matches);
     if(!array)
       goto fail;
 

lib/http_negotiate_sspi.c

@@ -143,7 +143,7 @@ int Curl_input_negotiate(struct connectdata *conn, bool proxy,
     /* Allocate input and output buffers according to the max token size
        as indicated by the security package */
     neg_ctx->max_token_length = SecurityPackage->cbMaxToken;
-    neg_ctx->output_token = (BYTE *)malloc(neg_ctx->max_token_length);
+    neg_ctx->output_token = malloc(neg_ctx->max_token_length);
     s_pSecFn->FreeContextBuffer(SecurityPackage);
   }
 
@@ -157,8 +157,8 @@ int Curl_input_negotiate(struct connectdata *conn, bool proxy,
     /* first call in a new negotation, we have to acquire credentials,
        and allocate memory for the context */
 
-    neg_ctx->credentials = (CredHandle *)malloc(sizeof(CredHandle));
-    neg_ctx->context = (CtxtHandle *)malloc(sizeof(CtxtHandle));
+    neg_ctx->credentials = malloc(sizeof(CredHandle));
+    neg_ctx->context = malloc(sizeof(CtxtHandle));
 
     if(!neg_ctx->credentials || !neg_ctx->context)
       return -1;

lib/idn_win32.c

@@ -43,7 +43,7 @@ static wchar_t *_curl_win32_UTF8_to_wchar(const char *str_utf8)
     int str_w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS,
                                         str_utf8, -1, NULL, 0);
     if(str_w_len) {
-      str_w = (wchar_t *) malloc(str_w_len * sizeof(wchar_t));
+      str_w = malloc(str_w_len * sizeof(wchar_t));
       if(str_w) {
         if(MultiByteToWideChar(CP_UTF8, 0, str_utf8, -1, str_w,
                                 str_w_len) == 0) {
@@ -65,7 +65,7 @@ static const char *_curl_win32_wchar_to_UTF8(const wchar_t *str_w)
     size_t str_utf8_len = WideCharToMultiByte(CP_UTF8, 0, str_w, -1, NULL,
                                               0, NULL, NULL);
     if(str_utf8_len) {
-      str_utf8 = (char *) malloc(str_utf8_len * sizeof(wchar_t));
+      str_utf8 = malloc(str_utf8_len * sizeof(wchar_t));
       if(str_utf8) {
         if(WideCharToMultiByte(CP_UTF8, 0, str_w, -1, str_utf8, str_utf8_len,
                                 NULL, FALSE) == 0) {

src/urlglob.c

@@ -71,7 +71,7 @@ static GlobCode glob_set(URLGlob *glob, char *pattern,
   pat->content.Set.size = 0;
   pat->content.Set.ptr_s = 0;
   /* FIXME: Here's a nasty zero size malloc */
-  pat->content.Set.elements = (char**)malloc(0);
+  pat->content.Set.elements = malloc(0);
   ++glob->size;
 
   while(!done) {