Add const to path functions.

In order to help avoid modifying static path variables,
they are now returned as const char*.

Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>

Author: navi-desu

src/librc/librc-depend.c

@@ -37,7 +37,7 @@
 
 #define RC_DEPCONFIG    "/depconfig"
 
-static char*
+static const char*
 depconfigpath_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!*path) {
@@ -782,7 +782,7 @@ rc_deptree_update(void)
 	char *depend, *depends, *service, *type, *nosys, *onosys;
 	size_t i, k, l;
 	bool retval = true;
-	const char *sys = rc_sys();
+	const char *sys = rc_sys(), *depconf = depconfigpath_get();
 	struct utsname uts;
 	int serrno;
 
@@ -1084,7 +1084,6 @@ rc_deptree_update(void)
 	}
 
 	/* Save our external config files to disk */
-	char *depconf = depconfigpath_get();
 	if (TAILQ_FIRST(config)) {
 		if ((fp = fopen(depconf, "w"))) {
 			TAILQ_FOREACH(s, config, entries)

src/librc/librc.c

@@ -367,7 +367,7 @@ rc_sys(void)
 	return sys;
 }
 
-char *
+const char *
 rc_sysconfdir_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!*path) {
@@ -387,7 +387,7 @@ rc_sysconfdir_get(void) {
 	return path;
 }
 
-char *
+const char *
 rc_svcdir_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!*path) {
@@ -409,7 +409,7 @@ rc_svcdir_get(void) {
 	return path;
 }
 
-char *
+const char *
 rc_initdir_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!*path) {
@@ -418,7 +418,7 @@ rc_initdir_get(void) {
 	return path;
 }
 
-char *
+const char *
 rc_confdir_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!*path) {
@@ -427,7 +427,7 @@ rc_confdir_get(void) {
 	return path;
 }
 
-char *
+const char *
 rc_runleveldir_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!*path) {

src/librc/rc.h.in

@@ -128,12 +128,12 @@ typedef TAILQ_HEAD(rc_stringlist, rc_string) RC_STRINGLIST;
 bool rc_sysconfdir_set(char *path);
 bool rc_svcdir_set(char *path);
 
-char *rc_sysconfdir_get(void);
-char *rc_initdir_get(void);
-char *rc_confdir_get(void);
-char *rc_svcdir_get(void);
-char *rc_runtimedir_get(void);
-char *rc_runleveldir_get(void);
+const char *rc_sysconfdir_get(void);
+const char *rc_initdir_get(void);
+const char *rc_confdir_get(void);
+const char *rc_svcdir_get(void);
+const char *rc_runtimedir_get(void);
+const char *rc_runleveldir_get(void);
 
 /*! Return the current runlevel.
  * @return the current runlevel */

src/openrc-run/openrc-run.c

@@ -57,7 +57,7 @@
 
 #define PREFIX_LOCK "prefix.lock"
 
-static char *
+static const char *
 prefix_lock_get(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!path[0]) {

src/openrc/rc-logger.c

@@ -48,7 +48,7 @@
 
 #define TMPLOG "rc.log"
 
-static char *
+static const char *
 gettmplog(void) {
 	static char path[PATH_MAX] = { 0 };
 	if (!path[0]) {