Merge #6550 from ZyX-I/pvs-check-comment

scripts/pvscheck.sh

@@ -12,20 +12,28 @@ help() {
   echo 'Usage:'
   echo '  pvscheck.sh [target-directory [branch]]'
   echo '  pvscheck.sh [--recheck] [target-directory]'
+  echo '  pvscheck.sh --patch [--only-build]'
   echo
-  echo '    --recheck: run analysis on a prepared target directory'
+  echo '    --patch: patch sources in the current directory.'
+  echo '             Does not patch already patched files.'
+  echo '             Does not run analysis.'
   echo
-  echo '    target-directory: Directory where build should occur'
+  echo '    --only-build: Only patch files in ./build directory.'
+  echo
+  echo '    --recheck: run analysis on a prepared target directory.'
+  echo
+  echo '    target-directory: Directory where build should occur.'
   echo '                      Default: ../neovim-pvs'
   echo
-  echo '    branch: Branch to check'
+  echo '    branch: Branch to check.'
-  echo '            Default: master'
+  echo '            Default: master.'
 }
 
 get_pvs_comment() {
   cat > pvs-comment << EOF
-// This is an open source non-commercial project. Dear PVS-Studio, please check it.
+// This is an open source non-commercial project. Dear PVS-Studio, please check
-// PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 EOF
 }
 
@@ -62,19 +70,27 @@ patch_sources() {
   get_pvs_comment
 
   local sh_script='
-    cat pvs-comment "$1" > "$1.tmp"
+    pvs_comment="$(cat pvs-comment ; echo -n EOS)"
-    mv "$1.tmp" "$1"
+    filehead="$(head -c $(( ${#pvs_comment} - 3 )) "$1" ; echo -n EOS)"
+    if test "x$filehead" != "x$pvs_comment" ; then
+      cat pvs-comment "$1" > "$1.tmp"
+      mv "$1.tmp" "$1"
+    fi
   '
 
-  find \
+  if test "x$1" != "x--only-build" ; then
-    src/nvim test/functional/fixtures test/unit/fixtures \
+    find \
-    -name '*.[ch]' \
+      src/nvim test/functional/fixtures test/unit/fixtures \
-    -exec /bin/sh -c "$sh_script" - '{}' \;
+      -name '*.c' \
+      -exec /bin/sh -c "$sh_script" - '{}' \;
+  fi
 
   find \
     build/src/nvim/auto build/config \
-    -name '*.[ch]' -not -name '*.test-include.c' \
+    -name '*.c' -not -name '*.test-include.c' \
     -exec /bin/sh -c "$sh_script" - '{}' \;
+
+  rm pvs-comment
 }
 
 run_analysis() {
@@ -103,8 +119,6 @@ do_check() {
 
   create_compile_commands
 
-  patch_sources
-
   run_analysis
 }
 
@@ -128,6 +142,17 @@ main() {
 
   set -x
 
+  if test "x$1" = "x--patch" ; then
+    shift
+    if test "x$1" = "x--only-build" ; then
+      shift
+      patch_sources --only-build
+    else
+      patch_sources
+    fi
+    exit $?
+  fi
+
   local recheck=
   if test "x$1" = "x--recheck" ; then
     recheck=1

src/nvim/api/buffer.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // Much of this code was adapted from 'if_py_both.h' from the original
 // vim source
 #include <stdbool.h>

src/nvim/api/private/dispatch.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <inttypes.h>
 #include <stdbool.h>
 #include <stdint.h>

src/nvim/api/private/handle.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 

src/nvim/api/private/helpers.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <inttypes.h>
 #include <stdbool.h>

src/nvim/api/tabpage.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdlib.h>

src/nvim/api/ui.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stddef.h>
 #include <stdint.h>

src/nvim/api/vim.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 #include <inttypes.h>

src/nvim/api/window.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdbool.h>
 #include <stdint.h>
 #include <stdlib.h>

src/nvim/arabic.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file arabic.c
 ///
 /// Functions for Arabic language.

src/nvim/buffer.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * buffer.c: functions for dealing with the buffer structure
  */

src/nvim/charset.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file charset.c
 ///
 /// Code related to character sets.

src/nvim/cursor.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdbool.h>
 #include <inttypes.h>
 

src/nvim/cursor_shape.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 #include "nvim/vim.h"

src/nvim/diff.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file diff.c
 ///
 /// Code for diff'ing two, three or four buffers.

src/nvim/digraph.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file digraph.c
 ///
 /// code for digraphs

src/nvim/edit.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * edit.c: functions for Insert mode
  */

src/nvim/eval.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * eval.c: Expression evaluation.
  */

src/nvim/eval/decode.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stddef.h>
 
 #include <msgpack.h>

src/nvim/eval/encode.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file encode.c
 ///
 /// File containing functions for encoding and decoding VimL values.

src/nvim/eval/executor.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include "nvim/eval/typval.h"
 #include "nvim/eval/executor.h"
 #include "nvim/eval.h"

src/nvim/eval/gc.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include "nvim/eval/typval.h"
 #include "nvim/eval/gc.h"
 

src/nvim/eval/typval.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdio.h>
 #include <stddef.h>
 #include <string.h>

src/nvim/event/libuv_process.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 
 #include <uv.h>

src/nvim/event/loop.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdarg.h>
 #include <stdint.h>
 

src/nvim/event/multiqueue.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // Multi-level queue for selective async event processing.
 // Not threadsafe; access must be synchronized externally.
 //

src/nvim/event/process.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdlib.h>
 

src/nvim/event/rstream.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 #include <stdbool.h>

src/nvim/event/signal.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <uv.h>
 
 #include "nvim/event/loop.h"

src/nvim/event/socket.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 

src/nvim/event/stream.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdio.h>
 #include <stdbool.h>

src/nvim/event/time.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdint.h>
 
 #include <uv.h>

src/nvim/event/wstream.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 #include <stdbool.h>

src/nvim/ex_cmds.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * ex_cmds.c: some functions for command line commands
  */

src/nvim/ex_cmds2.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file ex_cmds2.c
 ///
 /// Some more functions for command line commands

src/nvim/ex_docmd.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * ex_docmd.c: functions for executing an Ex command line.
  */

src/nvim/ex_eval.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // TODO(ZyX-I): move to eval/executor
 
 /// @file ex_eval.c

src/nvim/ex_getln.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * ex_getln.c: Functions for entering and editing an Ex command line.
  */

src/nvim/farsi.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file farsi.c
 ///
 /// Functions for Farsi language

src/nvim/file_search.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // File searching functions for 'path', 'tags' and 'cdpath' options.
 //
 // External visible functions:

src/nvim/fileio.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * fileio.c: read from and write to a file
  */

src/nvim/fold.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // vim: set fdm=marker fdl=1 fdc=3
 
 /*

src/nvim/garray.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file garray.c
 ///
 /// Functions for handling growing arrays.

src/nvim/getchar.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * getchar.c
  *

src/nvim/hardcopy.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * hardcopy.c: printing to paper
  */

src/nvim/hashtab.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file hashtab.c
 ///
 /// Handling of a hashtable with Vim-specific properties.

src/nvim/if_cscope.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com>
  * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com>

src/nvim/indent.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <inttypes.h>
 #include <stdbool.h>

src/nvim/indent_c.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <inttypes.h>
 #include <stdint.h>

src/nvim/keymap.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <inttypes.h>
 #include <limits.h>

src/nvim/log.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <inttypes.h>
 #include <stdarg.h>

src/nvim/main.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #define EXTERN
 #include <assert.h>
 #include <stdint.h>

src/nvim/map.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdlib.h>
 #include <stdbool.h>
 #include <string.h>

src/nvim/mark.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * mark.c: functions for setting marks and jumping to them
  */

src/nvim/mbyte.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// mbyte.c: Code specifically for handling multi-byte characters.
 /// Multibyte extensions partly by Sung-Hoon Baek
 ///

src/nvim/memfile.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// An abstraction to handle blocks of memory which can be stored in a file.
 /// This is the implementation of a sort of virtual memory.
 ///

src/nvim/memline.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /* for debugging */
 /* #define CHECK(c, s)	if (c) EMSG(s) */
 #define CHECK(c, s)

src/nvim/memory.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
  // Various routines dealing with allocation and deallocation of memory.
 
 #include <assert.h>

src/nvim/menu.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * Code for menus.  Used for the GUI and 'wildmenu'.
  * GUI/Motif support by Robert Webb

src/nvim/message.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * message.c: functions for displaying messages on the command line
  */

src/nvim/misc1.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * misc1.c: functions that didn't seem to fit elsewhere
  */

src/nvim/mouse.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdbool.h>
 
 #include "nvim/mouse.h"

src/nvim/move.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * move.c: Functions for moving the cursor and scrolling text.
  *

src/nvim/msgpack_rpc/channel.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdbool.h>
 #include <string.h>
 #include <inttypes.h>

src/nvim/msgpack_rpc/helpers.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdint.h>
 #include <stdbool.h>
 #include <inttypes.h>

src/nvim/msgpack_rpc/server.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>

src/nvim/normal.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * normal.c:	Contains the main routine for processing characters in command
  *		mode.  Communicates closely with the code in ops.c to handle

src/nvim/ops.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * ops.c: implementation of various operators: op_shift, op_delete, op_tilde,
  *        op_change, op_yank, do_put, do_join

src/nvim/option.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // User-settable options. Checklist for adding a new option:
 // - Put it in options.lua
 // - For a global option: Add a variable for it in option_defs.h.

src/nvim/os/dl.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// Functions for using external native libraries
 
 #include <stdbool.h>

src/nvim/os/env.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // Environment inspection
 
 #include <assert.h>

src/nvim/os/fileio.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file fileio.c
 ///
 /// Buffered reading/writing to a file. Unlike fileio.c this is not dealing with

src/nvim/os/fs.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // fs.c -- filesystem access
 #include <stdbool.h>
 #include <stddef.h>

src/nvim/os/input.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <string.h>
 #include <stdbool.h>

src/nvim/os/mem.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// Functions for accessing system memory information.
 
 #include <uv.h>

src/nvim/os/pty_process_unix.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // Some of the code came from pangoterm and libuv
 #include <stdbool.h>
 #include <stdlib.h>

src/nvim/os/shell.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <string.h>
 #include <assert.h>
 #include <stdbool.h>

src/nvim/os/signal.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdbool.h>
 

src/nvim/os/stdpaths.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdbool.h>
 
 #include "nvim/os/stdpaths_defs.h"

src/nvim/os/time.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stdint.h>
 #include <stdbool.h>

src/nvim/os/users.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // users.c -- operating system user information
 
 #include <uv.h>

src/nvim/os_unix.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * os_unix.c -- code for all flavors of Unix (BSD, SYSV, SVR4, POSIX, ...)
  *

src/nvim/path.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <inttypes.h>
 #include <stdbool.h>

src/nvim/popupmnu.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file popupmnu.c
 ///
 /// Popup menu (PUM)

src/nvim/profile.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdio.h>
 #include <math.h>
 #include <assert.h>

src/nvim/quickfix.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * quickfix.c: functions for quickfix mode, using a file with error messages
  */

src/nvim/rbuffer.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 #include <stddef.h>
 #include <string.h>

src/nvim/regexp.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * Handling of regular expressions: vim_regcomp(), vim_regexec(), vim_regsub()
  *

src/nvim/regexp_nfa.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * NFA regular expression implementation.
  *

src/nvim/screen.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * screen.c: code for displaying on the screen
  *

src/nvim/search.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * search.c: code for normal mode searching commands
  */

src/nvim/sha256.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /// @file sha256.c
 ///
 /// FIPS-180-2 compliant SHA-256 implementation

src/nvim/shada.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <stdlib.h>
 #include <stddef.h>
 #include <stdbool.h>

src/nvim/spell.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // spell.c: code for spell checking
 //
 // See spellfile.c for the Vim spell file format.

src/nvim/spellfile.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // spellfile.c: code for reading and writing spell files.
 //
 // See spell.c for information about spell checking.

src/nvim/state.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <assert.h>
 
 #include "nvim/lib/kvec.h"

src/nvim/strings.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 #include <inttypes.h>
 #include <stdarg.h>
 #include <stdbool.h>

src/nvim/syntax.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * syntax.c: code for syntax highlighting
  */

src/nvim/tag.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 /*
  * Code to handle tags and the tag stack
  */

src/nvim/terminal.c

@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
 // VT220/xterm-like terminal emulator.
 // Powered by libvterm http://www.leonerd.org.uk/code/libvterm
 //