replace tabs with spaces in various files

The affected files in this patch had inconsistent use of tabs vs. spaces
for indentation, and this patch eliminates the stray tabs.

Also, the opening brace of sigchld_hdl() in activate.c was moved so the
opening braces are consistent throughout the file.

NEWS

@@ -1798,7 +1798,7 @@ CHANGES WITH 41:
           understood to set system wide environment variables
           dynamically at boot.
 
-	* We now limit the set of capabilities of systemd-journald.
+        * We now limit the set of capabilities of systemd-journald.
 
         * We now set SIGPIPE to ignore by default, since it only is
           useful in shell pipelines, and has little use in general

m4/attributes.m4

@@ -40,12 +40,12 @@ dnl CC_CHECK_FLAG_APPEND([WHERE-TO-APPEND], [ENV-VAR], [FLAG])
 AC_DEFUN([CC_CHECK_FLAG_APPEND], [
   AC_CACHE_CHECK([if $CC supports flag $3 in envvar $2],
                  AS_TR_SH([cc_cv_$2_$3]),
-		 [eval "AS_TR_SH([cc_save_$2])='${$2}'"
-		  eval "AS_TR_SH([$2])='-Werror $3'"
-		  AC_COMPILE_IFELSE([AC_LANG_SOURCE([int a = 0; int main(void) { return a; } ])],
+          [eval "AS_TR_SH([cc_save_$2])='${$2}'"
+           eval "AS_TR_SH([$2])='-Werror $3'"
+           AC_COMPILE_IFELSE([AC_LANG_SOURCE([int a = 0; int main(void) { return a; } ])],
                                     [eval "AS_TR_SH([cc_cv_$2_$3])='yes'"],
                                     [eval "AS_TR_SH([cc_cv_$2_$3])='no'"])
-		  eval "AS_TR_SH([$2])='$cc_save_$2'"])
+           eval "AS_TR_SH([$2])='$cc_save_$2'"])
 
   AS_IF([eval test x$]AS_TR_SH([cc_cv_$2_$3])[ = xyes],
         [eval "$1='${$1} $3'"])
@@ -92,10 +92,10 @@ AC_DEFUN([CC_NOUNDEFINED], [
         dnl for a much more readable commandline, so that people can understand what
         dnl it does without going to look for what the heck -z defs does.
         for possible_flags in "-Wl,--no-undefined" "-Wl,-z,defs"; do
-          CC_CHECK_LDFLAGS([$possible_flags], [LDFLAGS_NOUNDEFINED="$possible_flags"])
-	  break
+           CC_CHECK_LDFLAGS([$possible_flags], [LDFLAGS_NOUNDEFINED="$possible_flags"])
+           break
         done
-	;;
+     ;;
   esac
 
   AC_SUBST([LDFLAGS_NOUNDEFINED])
@@ -231,8 +231,8 @@ AC_DEFUN([CC_FLAG_VISIBILITY], [
     [cc_flag_visibility_save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS $cc_cv_werror"
      CC_CHECK_CFLAGS_SILENT([-fvisibility=hidden],
-	cc_cv_flag_visibility='yes',
-	cc_cv_flag_visibility='no')
+     cc_cv_flag_visibility='yes',
+     cc_cv_flag_visibility='no')
      CFLAGS="$cc_flag_visibility_save_CFLAGS"])
 
   AS_IF([test "x$cc_cv_flag_visibility" = "xyes"],
@@ -252,7 +252,7 @@ AC_DEFUN([CC_FUNC_EXPECT], [
        [int some_function() {
         int a = 3;
         return (int)__builtin_expect(a, 3);
-	}])],
+     }])],
        [cc_cv_func_expect=yes],
        [cc_cv_func_expect=no])
      CFLAGS="$ac_save_CFLAGS"

man/systemd-coredumpctl.xml

@@ -202,8 +202,8 @@
                 <title>Exit status</title>
                 <para>On success 0 is returned, a non-zero failure
                 code otherwise. Not finding any matching coredumps is treated
-		as failure.
-		</para>
+                as failure.
+                </para>
         </refsect1>
 
         <refsect1>

src/activate/activate.c

@@ -290,16 +290,15 @@ static int do_accept(const char* name, char **argv, char **envp, int fd) {
 }
 
 /* SIGCHLD handler. */
-static void sigchld_hdl(int sig, siginfo_t *t, void *data)
-{
+static void sigchld_hdl(int sig, siginfo_t *t, void *data) {
         log_info("Child %d died with code %d", t->si_pid, t->si_status);
-	/* Wait for a dead child. */
-	waitpid(t->si_pid, NULL, 0);
+        /* Wait for a dead child. */
+        waitpid(t->si_pid, NULL, 0);
 }
 
 static int install_chld_handler(void) {
         int r;
-	struct sigaction act;
+        struct sigaction act;
         zero(act);
         act.sa_flags = SA_SIGINFO;
         act.sa_sigaction = sigchld_hdl;

src/core/execute.c

@@ -1727,10 +1727,10 @@ int exec_context_load_environment(const ExecContext *c, char ***l) {
 
                                 strv_free(r);
                                 return k;
-                         }
+                        }
                         /* Log invalid environment variables with filename */
-			if (p)
-	                        p = strv_env_clean_log(p, pglob.gl_pathv[n]);
+                        if (p)
+                                p = strv_env_clean_log(p, pglob.gl_pathv[n]);
 
                         if (r == NULL)
                                 r = p;

src/shared/missing.h

@@ -139,7 +139,7 @@ static inline int fanotify_init(unsigned int flags, unsigned int event_f_flags)
 static inline int fanotify_mark(int fanotify_fd, unsigned int flags, uint64_t mask,
                                 int dfd, const char *pathname) {
 #if defined _MIPS_SIM && _MIPS_SIM == _MIPS_SIM_ABI32 || defined __powerpc__ && !defined __powerpc64__ \
-	|| defined __arm__ && !defined __aarch64__
+    || defined __arm__ && !defined __aarch64__
         union {
                 uint64_t _64;
                 uint32_t _32[2];

src/systemctl/systemctl.c

@@ -3444,7 +3444,7 @@ static int show_one(const char *verb, DBusConnection *bus, const char *path, boo
                         r = 1;
                 else
                         r = 3;
-	}
+        }
 
         while ((p = info.exec)) {
                 LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);