fix datatype mismatch

diff --git a/sapi/cgi/cgi_main.c b/sapi/cgi/cgi_main.c
index 23374e79d9df0e1e4c3a6a4d318581834cdf461e..da35ddecb722250a42ebecd0517752d36e91322c 100644 (file)
--- a/sapi/cgi/cgi_main.c
+++ b/sapi/cgi/cgi_main.c
@@ -1664,7 +1664,7 @@ PHP_FUNCTION(apache_request_headers) /* {{{ */
 static void add_response_header(sapi_header_struct *h, zval *return_value TSRMLS_DC) /* {{{ */
 {
        char *s, *p;
-       int  len = 0;
+       size_t len = 0;
        ALLOCA_FLAG(use_heap)
 
        if (h->header_len > 0) {
@@ -1673,9 +1673,9 @@ static void add_response_header(sapi_header_struct *h, zval *return_value TSRMLS
                        len = p - h->header;
                }
                if (len > 0) {
-                       while (len > 0 && (h->header[len-1] == ' ' || h->header[len-1] == '\t')) {
+                       do {
                                len--;
-                       }
+                       } while (len != 0 && (h->header[len-1] == ' ' || h->header[len-1] == '\t'));
                        if (len) {
                                s = do_alloca(len + 1, use_heap);
                                memcpy(s, h->header, len);