bug#52276: 28.0.50; [PATCH] Scuttle compiler warning in image.c

[dick]

>From 2f1a3475910bfea5d0c0ead874a238db3ecbf3ad Mon Sep 17 00:00:00 2001
From: dickmao <dick.r.chiang@gmail.com>
Date: Sat, 4 Dec 2021 07:32:00 -0500
Subject: [PATCH] Scuttle a compiler warning under --enable-checking

* src/image.c (webp_load): Scuttle compiler warning.
---
 src/image.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/image.c b/src/image.c
index b85c405487..709abc21aa 100644
--- a/src/image.c
+++ b/src/image.c
@@ -8970,7 +8970,7 @@ webp_load (struct frame *f, struct image *img)
 {
   ptrdiff_t size = 0;
   uint8_t *contents;
-  Lisp_Object file;
+  Lisp_Object file = Qnil;
 
   /* Open the WebP file.  */
   Lisp_Object specified_file = image_spec_value (img->spec, QCfile, NULL);
@@ -9007,7 +9007,7 @@ webp_load (struct frame *f, struct image *img)
   /* Validate the WebP image header.  */
   if (!WebPGetInfo (contents, size, NULL, NULL))
     {
-      if (NILP (specified_data))
+      if (! NILP (file))
        image_error ("Not a WebP file: `%s'", file);
       else
        image_error ("Invalid header in WebP image data");
@@ -9030,7 +9030,7 @@ webp_load (struct frame *f, struct image *img)
     case VP8_STATUS_USER_ABORT:
     default:
       /* Error out in all other cases.  */
-      if (NILP (specified_data))
+      if (! NILP (file))
        image_error ("Error when interpreting WebP image data: `%s'", file);
       else
        image_error ("Error when interpreting WebP image data");
-- 
2.26.2



In Commercial Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 
3.22.30, cairo version 1.15.10)
 of 2021-12-04 built on dick
Repository revision: 496cf662a994ab288a4fb75f70ceb053af27a2a9
Repository branch: dev
Windowing system distributor 'The X.Org Foundation', version 11.0.11906000
System Description: Ubuntu 18.04.4 LTS

Configured using:
 'configure --prefix=/home/dick/.local --enable-checking
 --with-tree-sitter --enable-dumping-overwrite 'CFLAGS=-g3 -Og
 -I/home/dick/.local/include/' LDFLAGS=-L/home/dick/.local/lib'

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
TREE-SITTER LCMS2 LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG
RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM
XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Magit

Minor modes in effect:
  async-bytecomp-package-mode: t
  global-git-commit-mode: t
  shell-dirtrack-mode: t
  projectile-mode: t
  flx-ido-mode: t
  override-global-mode: t
  global-hl-line-mode: t
  winner-mode: t
  tooltip-mode: t
  show-paren-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
/home/dick/gomacro-mode/gomacro-mode hides 
/home/dick/.emacs.d/elpa/gomacro-mode-20200326.1103/gomacro-mode
/home/dick/.emacs.d/elpa/hydra-20170924.2259/lv hides 
/home/dick/.emacs.d/elpa/lv-20191106.1238/lv
/home/dick/.emacs.d/elpa/magit-3.3.0/magit-section-pkg hides 
/home/dick/.emacs.d/elpa/magit-section-3.3.0/magit-section-pkg
/home/dick/org-gcal.el/org-gcal hides 
/home/dick/.emacs.d/elpa/org-gcal-0.3/org-gcal
/home/dick/.emacs.d/elpa/tree-sitter-0.15.2/tree-sitter hides 
/home/dick/.local/share/emacs/28.0.50/lisp/tree-sitter
/home/dick/.emacs.d/lisp/json hides 
/home/dick/.local/share/emacs/28.0.50/lisp/json
/home/dick/.emacs.d/elpa/transient-0.3.6/transient hides 
/home/dick/.local/share/emacs/28.0.50/lisp/transient
/home/dick/.emacs.d/elpa/hierarchy-20171221.1151/hierarchy hides 
/home/dick/.local/share/emacs/28.0.50/lisp/emacs-lisp/hierarchy

Features:
(shadow sort footnote mail-extr gnus-msg gnus-art mm-uu mml2015 mm-view
mml-smime smime dig gnus-sum shr pixel-fill kinsoku svg dom gnus-group
mm-url gnus-undo gnus-start gnus-dbus dbus xml gnus-cloud nnimap nnmail
mail-source utf7 netrc nnoo parse-time iso8601 gnus-spec gnus-int
gnus-range gnus-win emacsbug sendmail benchmark vc cc-mode cc-fonts
cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs
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haskell-font-lock haskell-indentation haskell-string
haskell-sort-imports haskell-lexeme haskell-align-imports
haskell-complete-module haskell-ghc-support noutline outline
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url-cookie url-domsuf url-util mailcap url-handlers url-parse
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electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel
term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image
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isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax
font-core term/tty-colors frame minibuffer cl-generic cham georgian
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ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray
cl-preloaded nadvice button loaddefs faces cus-face macroexp files
window text-properties overlay sha1 md5 base64 format env code-pages
mule custom widget keymap hashtable-print-readable backquote threads
dbusbind inotify lcms2 dynamic-setting system-font-setting
font-render-setting cairo move-toolbar gtk x-toolkit x multi-tty
make-network-process emacs)

Memory information:
((conses 16 475721 14692)
 (symbols 48 33157 1)
 (strings 32 119335 3487)
 (string-bytes 1 4084749)
 (vectors 16 48784)
 (vector-slots 8 611093 13083)
 (floats 8 409 442)
 (intervals 56 544 2)
 (buffers 992 14))