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[Emacs-diffs] emacs-26 325dfda: Avoid compilation warnings in optimized


From: Eli Zaretskii
Subject: [Emacs-diffs] emacs-26 325dfda: Avoid compilation warnings in optimized builds
Date: Sun, 15 Oct 2017 12:21:56 -0400 (EDT)

branch: emacs-26
commit 325dfdae13bdc0653fe04b746326a1518ee18ff1
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Avoid compilation warnings in optimized builds
    
    * src/process.c (Fmake_network_process):
    * src/image.c (xbm_scan, gif_load):
    * src/fileio.c (Frename_file):
    * src/data.c (Fmake_local_variable):
    * src/buffer.c (fix_start_end_in_overlays):
    * lib-src/etags.c (process_file_name): Mark variables with UNINIT
    to avoid compiler warnings in optimized builds.
---
 lib-src/etags.c | 2 +-
 src/buffer.c    | 4 ++--
 src/data.c      | 2 +-
 src/fileio.c    | 2 +-
 src/image.c     | 4 ++--
 src/process.c   | 2 +-
 6 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 009cba5..cc7631f 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -1530,7 +1530,7 @@ process_file_name (char *file, language *lang)
   fdesc *fdp;
   compressor *compr;
   char *compressed_name, *uncompressed_name;
-  char *ext, *real_name UNINIT, *tmp_name;
+  char *ext, *real_name UNINIT, *tmp_name UNINIT;
   int retval;
 
   canonicalize_filename (file);
diff --git a/src/buffer.c b/src/buffer.c
index cc6021b..1c8b463 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -3616,8 +3616,8 @@ void
 fix_start_end_in_overlays (register ptrdiff_t start, register ptrdiff_t end)
 {
   Lisp_Object overlay;
-  struct Lisp_Overlay *before_list;
-  struct Lisp_Overlay *after_list;
+  struct Lisp_Overlay *before_list UNINIT;
+  struct Lisp_Overlay *after_list UNINIT;
   /* These are either nil, indicating that before_list or after_list
      should be assigned, or the cons cell the cdr of which should be
      assigned.  */
diff --git a/src/data.c b/src/data.c
index e070be6..ef7210f 100644
--- a/src/data.c
+++ b/src/data.c
@@ -1888,7 +1888,7 @@ Instead, use `add-hook' and specify t for the LOCAL 
argument.  */)
   (Lisp_Object variable)
 {
   Lisp_Object tem;
-  bool forwarded;
+  bool forwarded UNINIT;
   union Lisp_Val_Fwd valcontents;
   struct Lisp_Symbol *sym;
   struct Lisp_Buffer_Local_Value *blv = NULL;
diff --git a/src/fileio.c b/src/fileio.c
index e57bf46..b7df38c 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2296,7 +2296,7 @@ This is what happens in interactive use with M-x.  */)
   bool plain_rename = (case_only_rename
                       || (!NILP (ok_if_already_exists)
                           && !INTEGERP (ok_if_already_exists)));
-  int rename_errno;
+  int rename_errno UNINIT;
   if (!plain_rename)
     {
       if (renameat_noreplace (AT_FDCWD, SSDATA (encoded_file),
diff --git a/src/image.c b/src/image.c
index 3dac708..cd4901b 100644
--- a/src/image.c
+++ b/src/image.c
@@ -2574,7 +2574,7 @@ xbm_image_p (Lisp_Object object)
 static int
 xbm_scan (char **s, char *end, char *sval, int *ival)
 {
-  unsigned char c;
+  unsigned char c UNINIT;
 
  loop:
 
@@ -7839,7 +7839,7 @@ gif_load (struct frame *f, struct image *img)
   init_color_table ();
 
 #ifndef USE_CAIRO
-  unsigned long bgcolor;
+  unsigned long bgcolor UNINIT;
   if (STRINGP (specified_bg))
     bgcolor = x_alloc_image_color (f, img, specified_bg,
                                   FRAME_BACKGROUND_PIXEL (f));
diff --git a/src/process.c b/src/process.c
index 05feba7..943cb2a 100644
--- a/src/process.c
+++ b/src/process.c
@@ -3830,7 +3830,7 @@ usage: (make-network-process &rest ARGS)  */)
   Lisp_Object proc;
   Lisp_Object contact;
   struct Lisp_Process *p;
-  const char *portstring;
+  const char *portstring UNINIT;
   ptrdiff_t portstringlen ATTRIBUTE_UNUSED;
   char portbuf[INT_BUFSIZE_BOUND (EMACS_INT)];
 #ifdef HAVE_LOCAL_SOCKETS



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