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Introduce CONF_DIRS_NULSTR helper to define standard conf dirs

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Several different systemd tools define a nulstr containing a standard
series of configuration file directories, in /etc, /run, /usr/local/lib,
/usr/lib, and (#ifdef HAVE_SPLIT_USR) /lib.  Factor that logic out into
a new helper macro, CONF_DIRS_NULSTR.
This commit is contained in:
Josh Triplett 2014-10-29 05:02:56 -07:00 committed by Zbigniew Jędrzejewski-Szmek
parent 3d82301321
commit 7f0a55d432
6 changed files with 20 additions and 45 deletions
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10
src/binfmt/binfmt.c
View File

@ -36,15 +36,7 @@
#include "fileio.h"
#include "build.h"
static const char conf_file_dirs[] =
"/etc/binfmt.d\0"
"/run/binfmt.d\0"
"/usr/local/lib/binfmt.d\0"
"/usr/lib/binfmt.d\0"
#ifdef HAVE_SPLIT_USR
"/lib/binfmt.d\0"
#endif
;
static const char conf_file_dirs[] = CONF_DIRS_NULSTR("binfmt");
static int delete_rule(const char *rule) {
_cleanup_free_ char *x = NULL, *fn = NULL;

10
src/modules-load/modules-load.c
View File

@ -38,15 +38,7 @@
static char **arg_proc_cmdline_modules = NULL;
static const char conf_file_dirs[] =
"/etc/modules-load.d\0"
"/run/modules-load.d\0"
"/usr/local/lib/modules-load.d\0"
"/usr/lib/modules-load.d\0"
#ifdef HAVE_SPLIT_USR
"/lib/modules-load.d\0"
#endif
;
static const char conf_file_dirs[] = CONF_DIRS_NULSTR("modules-load");
static void systemd_kmod_log(void *data, int priority, const char *file, int line,
const char *fn, const char *format, va_list args) {

15
src/shared/macro.h
View File

@ -384,6 +384,21 @@ do { \
_found; \
})
/* Return a nulstr for a standard cascade of configuration directories,
* suitable to pass to conf_files_list_nulstr or config_parse_many. */
#define CONF_DIRS_NULSTR(n) \
"/etc/" n ".d\0" \
"/run/" n ".d\0" \
"/usr/local/lib/" n ".d\0" \
"/usr/lib/" n ".d\0" \
CONF_DIR_SPLIT_USR(n)
#ifdef HAVE_SPLIT_USR
#define CONF_DIR_SPLIT_USR(n) "/lib/" n ".d\0"
#else
#define CONF_DIR_SPLIT_USR(n)
#endif
/* Define C11 thread_local attribute even on older gcc compiler
* version */
#ifndef thread_local

10
src/sysctl/sysctl.c
View File

@ -38,15 +38,7 @@
static char **arg_prefixes = NULL;
static const char conf_file_dirs[] =
"/etc/sysctl.d\0"
"/run/sysctl.d\0"
"/usr/local/lib/sysctl.d\0"
"/usr/lib/sysctl.d\0"
#ifdef HAVE_SPLIT_USR
"/lib/sysctl.d\0"
#endif
;
static const char conf_file_dirs[] = CONF_DIRS_NULSTR("sysctl");
static char* normalize_sysctl(char *s) {
char *n;

10
src/sysusers/sysusers.c
View File

@ -67,15 +67,7 @@ typedef struct Item {
static char *arg_root = NULL;
static const char conf_file_dirs[] =
"/etc/sysusers.d\0"
"/run/sysusers.d\0"
"/usr/local/lib/sysusers.d\0"
"/usr/lib/sysusers.d\0"
#ifdef HAVE_SPLIT_USR
"/lib/sysusers.d\0"
#endif
;
static const char conf_file_dirs[] = CONF_DIRS_NULSTR("sysusers");
static Hashmap *users = NULL, *groups = NULL;
static Hashmap *todo_uids = NULL, *todo_gids = NULL;

10
src/tmpfiles/tmpfiles.c
View File

@ -117,15 +117,7 @@ static char **arg_include_prefixes = NULL;
static char **arg_exclude_prefixes = NULL;
static char *arg_root = NULL;
static const char conf_file_dirs[] =
"/etc/tmpfiles.d\0"
"/run/tmpfiles.d\0"
"/usr/local/lib/tmpfiles.d\0"
"/usr/lib/tmpfiles.d\0"
#ifdef HAVE_SPLIT_USR
"/lib/tmpfiles.d\0"
#endif
;
static const char conf_file_dirs[] = CONF_DIRS_NULSTR("tmpfiles");
#define MAX_DEPTH 256