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authorRoy Marples <roy@marples.name>2007-12-19 12:46:08 +0000
committerRoy Marples <roy@marples.name>2007-12-19 12:46:08 +0000
commitcd45e5435762d8c6cd13287df7df16b97755176e (patch)
treeef0c7fb0a96e103e2a0dd79ee8c0f47f62ae7174 /src
parent2f7218c9849e667ba20d76e4dfe46b4bb195063a (diff)
Introduce cbasename so we don't have to strdup(basename) and free all the time.
Diffstat (limited to 'src')
-rw-r--r--src/_usage.c1
-rw-r--r--src/checkown.c7
-rw-r--r--src/fstabinfo.c5
-rw-r--r--src/librc-daemon.c16
-rw-r--r--src/librc.c57
-rw-r--r--src/mountinfo.c3
-rw-r--r--src/rc-depend.c8
-rw-r--r--src/rc-misc.h11
-rw-r--r--src/rc-update.c6
-rw-r--r--src/rc.c12
-rw-r--r--src/rc.h2
-rw-r--r--src/runscript.c15
-rw-r--r--src/start-stop-daemon.c6
13 files changed, 47 insertions, 102 deletions
diff --git a/src/_usage.c b/src/_usage.c
index ce733a97..b079e320 100644
--- a/src/_usage.c
+++ b/src/_usage.c
@@ -29,6 +29,7 @@ static void usage (int exit_status)
{
const char * const has_arg[] = { "", "<arg>", "[arg]" };
int i;
+
printf ("Usage: %s [options] ", applet);
#ifdef extraopts
printf (extraopts);
diff --git a/src/checkown.c b/src/checkown.c
index ecec917c..f7dd9e6e 100644
--- a/src/checkown.c
+++ b/src/checkown.c
@@ -30,8 +30,6 @@
* SUCH DAMAGE.
*/
-#define APPLET "checkown"
-
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
@@ -48,7 +46,7 @@
#include "einfo.h"
#include "rc-misc.h"
-static char *applet = NULL;
+static const char *applet;
static int do_check (char *path, uid_t uid, gid_t gid, mode_t mode, int file)
{
@@ -189,10 +187,9 @@ int checkown (int argc, char **argv)
struct group *gr = NULL;
bool file = 0;
+ applet = cbasename (argv[0]);
int retval = EXIT_SUCCESS;
- applet = argv[0];
-
while ((opt = getopt_long (argc, argv, getoptstring,
longopts, (int *) 0)) != -1)
{
diff --git a/src/fstabinfo.c b/src/fstabinfo.c
index 9782f9da..56957c47 100644
--- a/src/fstabinfo.c
+++ b/src/fstabinfo.c
@@ -31,7 +31,6 @@
#include <errno.h>
#include <getopt.h>
-#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -87,7 +86,7 @@ static struct mntent *getmntfile (const char *file)
}
#endif
-static const char *applet;
+static const char *applet = NULL;
#include "_usage.h"
#define getoptstring "bmop:t:" getoptstring_COMMON
@@ -129,7 +128,7 @@ int fstabinfo (int argc, char **argv)
char *file;
bool filtered = false;
- applet = basename (argv[0]);
+ applet = cbasename (argv[0]);
/* Ensure that we are only quiet when explicitly told to be */
unsetenv ("EINFO_QUIET");
diff --git a/src/librc-daemon.c b/src/librc-daemon.c
index 30853f26..cc8e93ff 100644
--- a/src/librc-daemon.c
+++ b/src/librc-daemon.c
@@ -313,7 +313,6 @@ bool rc_service_daemon_set (const char *service, const char *exec,
const char *name, const char *pidfile,
bool started)
{
- char *svc;
char *dirpath;
char *file = NULL;
int i;
@@ -330,10 +329,9 @@ bool rc_service_daemon_set (const char *service, const char *exec,
errno = EINVAL;
return (false);
}
- svc = xstrdup (service);
+
dirpath = rc_strcatpaths (RC_SVCDIR, "daemons",
- basename (svc), (char *) NULL);
- free (svc);
+ cbasename (service), (char *) NULL);
if (exec) {
i = strlen (exec) + 6;
@@ -417,17 +415,14 @@ bool rc_service_started_daemon (const char *service, const char *exec,
int i;
char *mexec;
bool retval = false;
- char *svc;
DIR *dp;
struct dirent *d;
if (! service || ! exec)
return (false);
- svc = xstrdup (service);
- dirpath = rc_strcatpaths (RC_SVCDIR, "daemons", basename (svc),
+ dirpath = rc_strcatpaths (RC_SVCDIR, "daemons", cbasename (service),
(char *) NULL);
- free (svc);
i = strlen (exec) + 6;
mexec = xmalloc (sizeof (char) * i);
@@ -474,15 +469,12 @@ bool rc_service_daemons_crashed (const char *service)
char *p;
char *token;
bool retval = false;
- char *svc;
if (! service)
return (false);
- svc = xstrdup (service);
- dirpath = rc_strcatpaths (RC_SVCDIR, "daemons", basename (svc),
+ dirpath = rc_strcatpaths (RC_SVCDIR, "daemons", cbasename (service),
(char *) NULL);
- free (svc);
if (! (dp = opendir (dirpath))) {
free (dirpath);
diff --git a/src/librc.c b/src/librc.c
index 9330a304..8380ebd9 100644
--- a/src/librc.c
+++ b/src/librc.c
@@ -378,15 +378,12 @@ bool rc_service_in_runlevel (const char *service, const char *runlevel)
{
char *file;
bool retval;
- char *svc;
if (! runlevel || ! service)
return (false);
- svc = xstrdup (service);
- file = rc_strcatpaths (RC_RUNLEVELDIR, runlevel, basename (svc),
+ file = rc_strcatpaths (RC_RUNLEVELDIR, runlevel, cbasename (service),
(char *) NULL);
- free (svc);
retval = exists (file);
free (file);
@@ -399,21 +396,18 @@ bool rc_service_mark (const char *service, const rc_service_state_t state)
char *file;
int i = 0;
int skip_state = -1;
- char *base;
- char *svc;
+ const char *base;
char *init = rc_service_resolve (service);
bool skip_wasinactive = false;
- if (! service)
+ if (! init)
return (false);
- svc = xstrdup (service);
- base = basename (svc);
+ base = cbasename (service);
if (state != RC_SERVICE_STOPPED) {
if (! exists (init)) {
free (init);
- free (svc);
return (false);
}
@@ -425,7 +419,6 @@ bool rc_service_mark (const char *service, const rc_service_state_t state)
if (i != 0) {
free (file);
free (init);
- free (svc);
return (false);
}
@@ -435,7 +428,6 @@ bool rc_service_mark (const char *service, const rc_service_state_t state)
if (state == RC_SERVICE_COLDPLUGGED || state == RC_SERVICE_FAILED) {
free (init);
- free (svc);
return (true);
}
@@ -449,7 +441,7 @@ bool rc_service_mark (const char *service, const rc_service_state_t state)
s != RC_SERVICE_SCHEDULED) &&
(! skip_wasinactive || s != RC_SERVICE_WASINACTIVE))
{
- file = rc_strcatpaths (RC_SVCDIR, rc_parse_service_state(s), base,
+ file = rc_strcatpaths (RC_SVCDIR, rc_parse_service_state (s), base,
(char *) NULL);
if (exists (file)) {
if ((state == RC_SERVICE_STARTING ||
@@ -516,7 +508,6 @@ bool rc_service_mark (const char *service, const rc_service_state_t state)
free (sdir);
}
- free (svc);
free (init);
return (true);
}
@@ -526,11 +517,10 @@ rc_service_state_t rc_service_state (const char *service)
{
int i;
int state = RC_SERVICE_STOPPED;
- char *svc = xstrdup (service);
for (i = 0; rc_service_state_names[i].name; i++) {
char *file = rc_strcatpaths (RC_SVCDIR, rc_service_state_names[i].name,
- basename (svc), (char*) NULL);
+ cbasename (service), (char*) NULL);
if (exists (file)) {
if (rc_service_state_names[i].state <= 0x10)
state = rc_service_state_names[i].state;
@@ -539,7 +529,6 @@ rc_service_state_t rc_service_state (const char *service)
}
free (file);
}
- free (svc);
if (state & RC_SERVICE_STOPPED) {
char **services = rc_services_scheduled_by (service);
@@ -603,7 +592,6 @@ static pid_t _exec_service (const char *service, const char *arg)
char *file;
char *fifo;
pid_t pid = -1;
- char *svc;
file = rc_service_resolve (service);
if (! exists (file)) {
@@ -613,10 +601,8 @@ static pid_t _exec_service (const char *service, const char *arg)
}
/* We create a fifo so that other services can wait until we complete */
- svc = xstrdup (service);
- fifo = rc_strcatpaths (RC_SVCDIR, "exclusive", basename (svc),
+ fifo = rc_strcatpaths (RC_SVCDIR, "exclusive", cbasename (service),
(char *) NULL);
- free (svc);
if (mkfifo (fifo, 0600) != 0 && errno != EEXIST) {
free (fifo);
@@ -674,26 +660,21 @@ bool rc_service_schedule_start (const char *service,
char *dir;
char *init;
char *file;
- char *svc;
bool retval;
/* service may be a provided service, like net */
if (! service || ! rc_service_exists (service_to_start))
return (false);
- svc = xstrdup (service);
- dir = rc_strcatpaths (RC_SVCDIR, "scheduled", basename (svc),
+ dir = rc_strcatpaths (RC_SVCDIR, "scheduled", cbasename (service),
(char *) NULL);
- free (svc);
if (mkdir (dir, 0755) != 0 && errno != EEXIST) {
free (dir);
return (false);
}
init = rc_service_resolve (service_to_start);
- svc = xstrdup (service_to_start);
- file = rc_strcatpaths (dir, basename (svc), (char *) NULL);
- free (svc);
+ file = rc_strcatpaths (dir, cbasename (service_to_start), (char *) NULL);
retval = (exists (file) || symlink (init, file) == 0);
free (init);
free (file);
@@ -705,12 +686,10 @@ librc_hidden_def(rc_service_schedule_start)
bool rc_service_schedule_clear (const char *service)
{
- char *svc = xstrdup (service);
- char *dir = rc_strcatpaths (RC_SVCDIR, "scheduled", basename (svc),
+ char *dir = rc_strcatpaths (RC_SVCDIR, "scheduled", cbasename (service),
(char *) NULL);
bool retval;
- free (svc);
if (! (retval = rm_dir (dir, true)) && errno == ENOENT)
retval = true;
free (dir);
@@ -787,7 +766,6 @@ bool rc_service_add (const char *runlevel, const char *service)
bool retval;
char *init;
char *file;
- char *svc;
if (! rc_runlevel_exists (runlevel)) {
errno = ENOENT;
@@ -814,10 +792,8 @@ bool rc_service_add (const char *runlevel, const char *service)
}
}
- svc = xstrdup (service);
- file = rc_strcatpaths (RC_RUNLEVELDIR, runlevel, basename (svc),
+ file = rc_strcatpaths (RC_RUNLEVELDIR, runlevel, cbasename (service),
(char *) NULL);
- free (svc);
retval = (symlink (init, file) == 0);
free (init);
free (file);
@@ -828,16 +804,13 @@ librc_hidden_def(rc_service_add)
bool rc_service_delete (const char *runlevel, const char *service)
{
char *file;
- char *svc;
bool retval = false;
if (! runlevel || ! service)
return (false);
- svc = xstrdup (service);
- file = rc_strcatpaths (RC_RUNLEVELDIR, runlevel, basename (svc),
+ file = rc_strcatpaths (RC_RUNLEVELDIR, runlevel, cbasename (service),
(char *) NULL);
- free (svc);
if (unlink (file) == 0)
retval = true;
@@ -868,19 +841,17 @@ librc_hidden_def(rc_services_scheduled_by)
char **rc_services_scheduled (const char *service)
{
- char *svc = xstrdup (service);
- char *dir = rc_strcatpaths (RC_SVCDIR, "scheduled", basename (svc),
+ char *dir = rc_strcatpaths (RC_SVCDIR, "scheduled", cbasename (service),
(char *) NULL);
char **list = NULL;
- free (svc);
list = ls_dir (dir, LS_INITD);
free (dir);
return (list);
}
librc_hidden_def(rc_services_scheduled)
-bool rc_service_plugable (char *service)
+bool rc_service_plugable (const char *service)
{
char *list;
char *p;
diff --git a/src/mountinfo.c b/src/mountinfo.c
index ad76d32d..05ce8dd7 100644
--- a/src/mountinfo.c
+++ b/src/mountinfo.c
@@ -43,7 +43,6 @@
#include <errno.h>
#include <getopt.h>
-#include <libgen.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
@@ -367,8 +366,6 @@ int mountinfo (int argc, char **argv)
int result;
bool quiet;
- applet = basename (argv[0]);
-
/* Ensure that we are only quiet when explicitly told to be */
unsetenv ("EINFO_QUIET");
diff --git a/src/rc-depend.c b/src/rc-depend.c
index 8c61d888..9c870448 100644
--- a/src/rc-depend.c
+++ b/src/rc-depend.c
@@ -29,8 +29,6 @@
* SUCH DAMAGE.
*/
-#define APPLET "rc-depend"
-
#include <sys/types.h>
#include <sys/stat.h>
@@ -47,6 +45,8 @@
#include "rc-misc.h"
#include "strlist.h"
+static const char *applet;
+
rc_depinfo_t *_rc_deptree_load (int *regen) {
if (rc_deptree_update_needed ()) {
int retval;
@@ -62,8 +62,6 @@ rc_depinfo_t *_rc_deptree_load (int *regen) {
return (rc_deptree_load ());
}
-static char *applet = NULL;
-
#include "_usage.h"
#define getoptstring "t:suT" getoptstring_COMMON
static struct option longopts[] = {
@@ -98,7 +96,7 @@ int rc_depend (int argc, char **argv)
int opt;
char *token;
- applet = argv[0];
+ applet = cbasename (argv[0]);
while ((opt = getopt_long (argc, argv, getoptstring,
longopts, (int *) 0)) != -1)
diff --git a/src/rc-misc.h b/src/rc-misc.h
index 570d7e79..bcc6b544 100644
--- a/src/rc-misc.h
+++ b/src/rc-misc.h
@@ -35,6 +35,7 @@
#include <sys/stat.h>
#include <errno.h>
#include <stdbool.h>
+#include <string.h>
#ifndef LIB
# define LIB "lib"
@@ -118,4 +119,14 @@ bool rc_conf_yesno (const char *var);
char **env_filter (void);
char **env_config (void);
+/* cbasename never modifies the argument. As such, if there is a trailing
+ * slash then an empty string is returned. */
+static inline const char *cbasename (const char *argv0) {
+ char *l = strrchr (argv0, '/');
+
+ if (l)
+ return (++l);
+ return (argv0);
+}
+
#endif
diff --git a/src/rc-update.c b/src/rc-update.c
index 3ab52fd1..3c366be4 100644
--- a/src/rc-update.c
+++ b/src/rc-update.c
@@ -29,8 +29,6 @@
* SUCH DAMAGE.
*/
-#define APPLET "rc-update"
-
#include <errno.h>
#include <getopt.h>
#include <limits.h>
@@ -46,7 +44,7 @@
#include "rc-misc.h"
#include "strlist.h"
-static char *applet = NULL;
+static const char *applet = NULL;
/* Return the number of changes made:
* -1 = no changes (error)
@@ -161,7 +159,7 @@ int rc_update (int argc, char **argv)
int opt;
int retval = EXIT_FAILURE;
- applet = argv[0];
+ applet = cbasename (argv[0]);
while ((opt = getopt_long (argc, argv, getoptstring,
longopts, (int *) 0)) != -1)
diff --git a/src/rc.c b/src/rc.c
index 507a1651..7a33e64e 100644
--- a/src/rc.c
+++ b/src/rc.c
@@ -36,8 +36,6 @@
const char copyright[] = "Copyright (c) 2007 Roy Marples";
-#define APPLET "rc"
-
#define SYSLOG_NAMES
#include <sys/types.h>
@@ -49,7 +47,6 @@ const char copyright[] = "Copyright (c) 2007 Roy Marples";
#include <dirent.h>
#include <ctype.h>
#include <getopt.h>
-#include <libgen.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
@@ -93,7 +90,7 @@ extern char **environ;
static char *RUNLEVEL = NULL;
static char *PREVLEVEL = NULL;
-static char *applet = NULL;
+static const char *applet = NULL;
static char *runlevel = NULL;
static char **env = NULL;
static char **newenv = NULL;
@@ -150,9 +147,6 @@ static void cleanup (void)
free (runlevel);
}
-
- free (applet);
- applet = NULL;
}
static int syslog_decode (char *name, CODE *codetab)
@@ -815,10 +809,8 @@ int main (int argc, char **argv)
bool parallel;
int regen = 0;
+ applet = cbasename (argv[0]);
atexit (cleanup);
- if (argv[0])
- applet = xstrdup (basename (argv[0]));
-
if (! applet)
eerrorx ("arguments required");
diff --git a/src/rc.h b/src/rc.h
index 776c1678..b95c9c5d 100644
--- a/src/rc.h
+++ b/src/rc.h
@@ -150,7 +150,7 @@ char **rc_service_extra_commands (const char *service);
/*! Check if the service is allowed to be hot/cold plugged
* @param service to check
* @return true if allowed, otherwise false */
-bool rc_service_plugable (char *service);
+bool rc_service_plugable (const char *service);
/*! Resolves a service name to its full path.
* @param service to check
diff --git a/src/runscript.c b/src/runscript.c
index c52b33ea..6839497e 100644
--- a/src/runscript.c
+++ b/src/runscript.c
@@ -29,8 +29,6 @@
* SUCH DAMAGE.
*/
-#define APPLET "runscript"
-
#include <sys/select.h>
#include <sys/types.h>
#include <sys/ioctl.h>
@@ -40,7 +38,6 @@
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
-#include <libgen.h>
#include <limits.h>
#include <signal.h>
#include <stdio.h>
@@ -76,7 +73,7 @@
#define ONE_SECOND 1000000000
-static char *applet = NULL;
+static const char *applet = NULL;
static char *service = NULL;
static char *exclusive = NULL;
static char *mtime_test = NULL;
@@ -353,7 +350,6 @@ static void cleanup (void)
}
free (exclusive);
free (service);
- free (applet);
free (prefix);
free (softlevel);
}
@@ -502,7 +498,6 @@ static bool svc_exec (const char *arg1, const char *arg2)
static bool svc_wait (rc_depinfo_t *depinfo, const char *svc)
{
char *s;
- char *base;
char *fifo;
struct timespec ts;
int nloops = WAIT_MAX * (ONE_SECOND / WAIT_INTERVAL);
@@ -524,11 +519,7 @@ static bool svc_wait (rc_depinfo_t *depinfo, const char *svc)
}
rc_strlist_free (keywords);
- s = xstrdup (svc);
- base = basename (s);
- fifo = rc_strcatpaths (RC_SVCDIR, "exclusive", base, (char *) NULL);
- free (s);
-
+ fifo = rc_strcatpaths (RC_SVCDIR, "exclusive", cbasename (svc), (char *) NULL);
ts.tv_sec = 0;
ts.tv_nsec = WAIT_INTERVAL;
@@ -1055,7 +1046,7 @@ int runscript (int argc, char **argv)
exit (EXIT_FAILURE);
}
- applet = xstrdup (basename (argv[1]));
+ applet = cbasename (argv[1]);
if (argc < 3)
usage (EXIT_FAILURE);
diff --git a/src/start-stop-daemon.c b/src/start-stop-daemon.c
index 82fa99a4..ba93a29e 100644
--- a/src/start-stop-daemon.c
+++ b/src/start-stop-daemon.c
@@ -33,8 +33,6 @@
* SUCH DAMAGE.
*/
-#define APPLET "start-stop-daemon"
-
/* nano seconds */
#define POLL_INTERVAL 20000000
#define WAIT_PIDFILE 500000000
@@ -90,7 +88,7 @@ typedef struct schedulelist
} schedulelist_t;
static schedulelist_t *schedule;
-static char *applet;
+static const char *applet;
static char *changeuser;
static char **newenv;
@@ -574,7 +572,7 @@ int start_stop_daemon (int argc, char **argv)
char *svcname = getenv ("SVCNAME");
char *env;
- applet = argv[0];
+ applet = cbasename (argv[0]);
atexit (cleanup);
signal (SIGINT, handle_signal);