Rename def.h to constants.h

The name "def.h" originates from before the rule of "no needless abbreviations"
was established. Let's rename the file to clarify that it contains a collection
of various semi-related constants.

src/basic/cgroup-util.c

@@ -12,7 +12,7 @@
 
 #include "alloc-util.h"
 #include "cgroup-util.h"
-#include "def.h"
+#include "constants.h"
 #include "dirent-util.h"
 #include "extract-word.h"
 #include "fd-util.h"

src/basic/cgroup-util.h

@@ -9,7 +9,7 @@
 #include <sys/statfs.h>
 #include <sys/types.h>
 
-#include "def.h"
+#include "constants.h"
 #include "set.h"
 
 #define SYSTEMD_CGROUP_CONTROLLER_LEGACY "name=systemd"

src/basic/conf-files.c

@@ -7,7 +7,7 @@
 
 #include "chase-symlinks.h"
 #include "conf-files.h"
-#include "def.h"
+#include "constants.h"
 #include "dirent-util.h"
 #include "fd-util.h"
 #include "hashmap.h"

src/basic/constants.h

@@ -1,6 +1,30 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 #pragma once
 
+#if !defined(HAS_FEATURE_MEMORY_SANITIZER)
+#  if defined(__has_feature)
+#    if __has_feature(memory_sanitizer)
+#      define HAS_FEATURE_MEMORY_SANITIZER 1
+#    endif
+#  endif
+#  if !defined(HAS_FEATURE_MEMORY_SANITIZER)
+#    define HAS_FEATURE_MEMORY_SANITIZER 0
+#  endif
+#endif
+
+#if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
+#  ifdef __SANITIZE_ADDRESS__
+#      define HAS_FEATURE_ADDRESS_SANITIZER 1
+#  elif defined(__has_feature)
+#    if __has_feature(address_sanitizer)
+#      define HAS_FEATURE_ADDRESS_SANITIZER 1
+#    endif
+#  endif
+#  if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
+#    define HAS_FEATURE_ADDRESS_SANITIZER 0
+#  endif
+#endif
+
 #define DEFAULT_TIMEOUT_USEC (90*USEC_PER_SEC)
 #define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC)
 #define DEFAULT_CONFIRM_USEC (30*USEC_PER_SEC)

src/basic/locale-util.c

@@ -10,7 +10,7 @@
 #include <sys/mman.h>
 #include <sys/stat.h>
 
-#include "def.h"
+#include "constants.h"
 #include "dirent-util.h"
 #include "env-util.h"
 #include "fd-util.h"

src/basic/macro.h

@@ -9,32 +9,9 @@
 #include <sys/sysmacros.h>
 #include <sys/types.h>
 
+#include "constants.h"
 #include "macro-fundamental.h"
 
-#if !defined(HAS_FEATURE_MEMORY_SANITIZER)
-#  if defined(__has_feature)
-#    if __has_feature(memory_sanitizer)
-#      define HAS_FEATURE_MEMORY_SANITIZER 1
-#    endif
-#  endif
-#  if !defined(HAS_FEATURE_MEMORY_SANITIZER)
-#    define HAS_FEATURE_MEMORY_SANITIZER 0
-#  endif
-#endif
-
-#if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
-#  ifdef __SANITIZE_ADDRESS__
-#      define HAS_FEATURE_ADDRESS_SANITIZER 1
-#  elif defined(__has_feature)
-#    if __has_feature(address_sanitizer)
-#      define HAS_FEATURE_ADDRESS_SANITIZER 1
-#    endif
-#  endif
-#  if !defined(HAS_FEATURE_ADDRESS_SANITIZER)
-#    define HAS_FEATURE_ADDRESS_SANITIZER 0
-#  endif
-#endif
-
 /* Note: on GCC "no_sanitize_address" is a function attribute only, on llvm it may also be applied to global
  * variables. We define a specific macro which knows this. Note that on GCC we don't need this decorator so much, since
  * our primary usecase for this attribute is registration structures placed in named ELF sections which shall not be

src/basic/meson.build

@@ -33,7 +33,7 @@ basic_sources = files(
         'chattr-util.h',
         'conf-files.c',
         'conf-files.h',
-        'def.h',
+        'constants.h',
         'devnum-util.c',
         'devnum-util.h',
         'dirent-util.c',

src/basic/path-lookup.h

@@ -3,7 +3,7 @@
 
 #include <stdbool.h>
 
-#include "def.h"
+#include "constants.h"
 #include "macro.h"
 
 typedef enum LookupPathsFlags {

src/basic/procfs-util.c

@@ -4,7 +4,7 @@
 #include <unistd.h>
 
 #include "alloc-util.h"
-#include "def.h"
+#include "constants.h"
 #include "fd-util.h"
 #include "fileio.h"
 #include "parse-util.h"

src/basic/terminal-util.c

@@ -21,7 +21,7 @@
 #include <unistd.h>
 
 #include "alloc-util.h"
-#include "def.h"
+#include "constants.h"
 #include "devnum-util.h"
 #include "env-util.h"
 #include "fd-util.h"