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.

7 files changed, 22 insertions, 23 deletions

diff --git a/NEWS b/NEWS
index 6cfe0dfc59..1b3bc2b65b 100644
--- a/NEWS
+++ b/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
diff --git a/m4/attributes.m4 b/m4/attributes.m4
index f0bcf24211..7e080da65d 100644
--- a/m4/attributes.m4
+++ b/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"
diff --git a/man/systemd-coredumpctl.xml b/man/systemd-coredumpctl.xml
index 02b688606c..9ccb67d12d 100644
--- a/man/systemd-coredumpctl.xml
+++ b/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>
diff --git a/src/activate/activate.c b/src/activate/activate.c
index 87526d47cc..83d25b13af 100644
--- a/src/activate/activate.c
+++ b/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;
diff --git a/src/core/execute.c b/src/core/execute.c
index 5e342f8d47..cbeb0caf26 100644
--- a/src/core/execute.c
+++ b/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;
diff --git a/src/shared/missing.h b/src/shared/missing.h
index 96e6d63101..24a8392b22 100644
--- a/src/shared/missing.h
+++ b/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];
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 7ecd8d2cfb..7436d4e875 100644
--- a/src/systemctl/systemctl.c
+++ b/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);