From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Fri, 17 Apr 2020 17:04:18 +0000 (+0000)
Subject: Improved reading of pseudofiles.
X-Git-Tag: 0.4.0~5
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=b6fffc1af096e4c55fb45707f3597f4df06805fe;p=njs.git

Improved reading of pseudofiles.
---

diff --git a/src/njs_fs.c b/src/njs_fs.c
index 1f231263..2d63452b 100644
--- a/src/njs_fs.c
+++ b/src/njs_fs.c
@@ -233,6 +233,12 @@ njs_fs_read_file(njs_vm_t *vm, njs_value_t *args, njs_uint_t nargs,
             goto done;
         }
 
+        if (njs_slow_path(data.length < size)) {
+            /* Pseudo-files may return less data than declared by st_size. */
+            njs_string_truncate(&retval, data.length);
+        }
+
+        size = data.length;
         start = data.start;
 
     } else {