add php_http_buffer_account(buf, size_t account)

[m6w6/ext-http] / php_http_buffer.c

diff --git a/php_http_buffer.c b/php_http_buffer.c
index bd99dc84f1677ce2a766b2c215796691719c7117..ef0abcd067f7c186953f81e78f64d61ba8dfbc82 100644 (file)
--- a/php_http_buffer.c
+++ b/php_http_buffer.c
@@ -72,6 +72,19 @@ PHP_HTTP_BUFFER_API size_t php_http_buffer_resize_ex(php_http_buffer_t *buf, siz
        return 0;
 }
 
+PHP_HTTP_BUFFER_API char *php_http_buffer_account(php_http_buffer_t *buf, size_t to_account)
+{
+       /* it's probably already too late but check anyway */
+       if (to_account > buf->free) {
+               return NULL;
+       }
+
+       buf->free -= to_account;
+       buf->used += to_account;
+
+       return buf->data + buf->used;
+}
+
 PHP_HTTP_BUFFER_API size_t php_http_buffer_shrink(php_http_buffer_t *buf)
 {
        /* avoid another realloc on fixation */