compatibility with glibc 2.3, warn_unused_result attribute for write()
diff --git a/src/os/unix/ngx_files.h b/src/os/unix/ngx_files.h
index d8182b4..fe14887 100644
--- a/src/os/unix/ngx_files.h
+++ b/src/os/unix/ngx_files.h
@@ -99,7 +99,17 @@
#define ngx_read_fd read
#define ngx_read_fd_n "read()"
-#define ngx_write_fd write
+/*
+ * we use inlined function instead of simple #define
+ * because glibc 2.3 sets warn_unused_result attribute for write()
+ * and in this case gcc 4.3 ignores (void) cast
+ */
+static ngx_inline ssize_t
+ngx_write_fd(ngx_fd_t fd, void *buf, size_t n)
+{
+ return write(fd, buf, n);
+}
+
#define ngx_write_fd_n "write()"
#define ngx_linefeed(p) *p++ = LF;
