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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-29 23:43:52 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-29 23:43:52 +0000
commit322661d025626d7a92482fec232d29f4450dd4b0 (patch)
tree66dcf2c776adea8556d2ebac5e3f7d8a27f05074
parent89ef65f02463b27313ff0eba806aa6e4aec10716 (diff)
downloadbusybox-322661d025626d7a92482fec232d29f4450dd4b0.tar.gz
busybox-322661d025626d7a92482fec232d29f4450dd4b0.tar.bz2
preparatory patch for -Wwrite-strings #6
-rw-r--r--include/libbb.h8
-rw-r--r--modutils/modprobe.c47
-rw-r--r--networking/interface.c16
-rw-r--r--networking/libiproute/ll_proto.c2
-rw-r--r--networking/libiproute/rtm_map.c3
-rw-r--r--networking/libiproute/rtm_map.h2
-rw-r--r--runit/sv.c72
7 files changed, 74 insertions, 76 deletions
diff --git a/include/libbb.h b/include/libbb.h
index 99a9422f0..ed1c41a02 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -123,8 +123,8 @@
/* This structure defines protocol families and their handlers. */
struct aftype {
- char *name;
- char *title;
+ const char *name;
+ const char *title;
int af;
int alen;
char *(*print) (unsigned char *);
@@ -143,8 +143,8 @@ struct aftype {
/* This structure defines hardware protocols and their handlers. */
struct hwtype {
- char *name;
- char *title;
+ const char *name;
+ const char *title;
int type;
int alen;
char *(*print) (unsigned char *);
diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index dcab493f1..94f7b22c2 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -37,9 +37,9 @@ struct dep_t { /* one-way list of dependency rules */
struct mod_list_t { /* two-way list of modules to process */
/* a module description */
- char * m_name;
- char * m_path;
- struct mod_opt_t * m_options;
+ const char * m_name;
+ char * m_path;
+ struct mod_opt_t * m_options;
struct mod_list_t * m_prev;
struct mod_list_t * m_next;
@@ -577,7 +577,7 @@ done:
return ret;
}
-static int mod_process(struct mod_list_t *list, int do_insert)
+static int mod_process(const struct mod_list_t *list, int do_insert)
{
int rc = 0;
char **argv = NULL;
@@ -603,16 +603,16 @@ static int mod_process(struct mod_list_t *list, int do_insert)
argv = xmalloc(6 * sizeof(char*));
if (do_insert) {
if (already_loaded(list->m_name) != 1) {
- argv[argc++] = "insmod";
+ argv[argc++] = (char*)"insmod";
if (ENABLE_FEATURE_2_4_MODULES) {
if (do_syslog)
- argv[argc++] = "-s";
+ argv[argc++] = (char*)"-s";
if (autoclean)
- argv[argc++] = "-k";
+ argv[argc++] = (char*)"-k";
if (quiet)
- argv[argc++] = "-q";
+ argv[argc++] = (char*)"-q";
else if (verbose) /* verbose and quiet are mutually exclusive */
- argv[argc++] = "-v";
+ argv[argc++] = (char*)"-v";
}
argv[argc++] = list->m_path;
if (ENABLE_FEATURE_CLEAN_UP)
@@ -629,10 +629,10 @@ static int mod_process(struct mod_list_t *list, int do_insert)
} else {
/* modutils uses short name for removal */
if (already_loaded(list->m_name) != 0) {
- argv[argc++] = "rmmod";
+ argv[argc++] = (char*)"rmmod";
if (do_syslog)
- argv[argc++] = "-s";
- argv[argc++] = list->m_name;
+ argv[argc++] = (char*)"-s";
+ argv[argc++] = (char*)list->m_name;
if (ENABLE_FEATURE_CLEAN_UP)
argc_malloc = argc;
}
@@ -810,13 +810,14 @@ static void check_dep(char *mod, struct mod_list_t **head, struct mod_list_t **t
static int mod_insert(char *mod, int argc, char **argv)
{
- struct mod_list_t *tail = 0;
- struct mod_list_t *head = 0;
+ struct mod_list_t *tail = NULL;
+ struct mod_list_t *head = NULL;
int rc;
// get dep list for module mod
check_dep(mod, &head, &tail);
+ rc = 1;
if (head && tail) {
if (argc) {
int i;
@@ -826,7 +827,8 @@ static int mod_insert(char *mod, int argc, char **argv)
}
// process tail ---> head
- if ((rc = mod_process(tail, 1)) != 0) {
+ rc = mod_process(tail, 1);
+ if (rc) {
/*
* In case of using udev, multiple instances of modprobe can be
* spawned to load the same module (think of two same usb devices,
@@ -837,31 +839,26 @@ static int mod_insert(char *mod, int argc, char **argv)
rc = 0;
}
}
- else
- rc = 1;
-
return rc;
}
static int mod_remove(char *mod)
{
int rc;
- static struct mod_list_t rm_a_dummy = { "-a", NULL, NULL, NULL, NULL };
+ static const struct mod_list_t rm_a_dummy = { "-a", NULL, NULL, NULL, NULL };
- struct mod_list_t *head = 0;
- struct mod_list_t *tail = 0;
+ struct mod_list_t *head = NULL;
+ struct mod_list_t *tail = NULL;
if (mod)
check_dep(mod, &head, &tail);
else // autoclean
- head = tail = &rm_a_dummy;
+ head = tail = (struct mod_list_t*) &rm_a_dummy;
+ rc = 1;
if (head && tail)
rc = mod_process(head, 0); // process head ---> tail
- else
- rc = 1;
return rc;
-
}
int modprobe_main(int argc, char** argv)
diff --git a/networking/interface.c b/networking/interface.c
index fbcf50152..f345cb09d 100644
--- a/networking/interface.c
+++ b/networking/interface.c
@@ -31,18 +31,9 @@
* (default AF was wrong)
*/
-#include "inet_common.h"
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <sys/ioctl.h>
-#include <sys/types.h>
#include <net/if.h>
#include <net/if_arp.h>
+#include "inet_common.h"
#include "busybox.h"
#ifdef CONFIG_FEATURE_IPV6
@@ -178,8 +169,7 @@ static char *INET6_sprint(struct sockaddr *sap, int numeric)
if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
return safe_strncpy(buff, "[NONE SET]", sizeof(buff));
- if (INET6_rresolve
- (buff, sizeof(buff), (struct sockaddr_in6 *) sap, numeric) != 0)
+ if (INET6_rresolve(buff, sizeof(buff), (struct sockaddr_in6 *) sap, numeric))
return safe_strncpy(buff, "[UNKNOWN]", sizeof(buff));
return buff;
}
@@ -771,7 +761,7 @@ static int if_fetch(struct interface *ife)
static int do_if_fetch(struct interface *ife)
{
if (if_fetch(ife) < 0) {
- char *errmsg;
+ const char *errmsg;
if (errno == ENODEV) {
/* Give better error message for this case. */
diff --git a/networking/libiproute/ll_proto.c b/networking/libiproute/ll_proto.c
index 20f26ca3f..aad460b5f 100644
--- a/networking/libiproute/ll_proto.c
+++ b/networking/libiproute/ll_proto.c
@@ -24,7 +24,7 @@
#define __PF(f,n) { ETH_P_##f, #n },
static struct {
int id;
- char *name;
+ const char *name;
} llproto_names[] = {
__PF(LOOP,loop)
__PF(PUP,pup)
diff --git a/networking/libiproute/rtm_map.c b/networking/libiproute/rtm_map.c
index 7eb4c7122..c16406b8b 100644
--- a/networking/libiproute/rtm_map.c
+++ b/networking/libiproute/rtm_map.c
@@ -13,11 +13,10 @@
#include <stdlib.h>
#include <string.h>
-
#include "rt_names.h"
#include "utils.h"
-char *rtnl_rtntype_n2a(int id, char *buf, int len)
+const char *rtnl_rtntype_n2a(int id, char *buf, int len)
{
switch (id) {
case RTN_UNSPEC:
diff --git a/networking/libiproute/rtm_map.h b/networking/libiproute/rtm_map.h
index b9c8c503f..cbbcc214d 100644
--- a/networking/libiproute/rtm_map.h
+++ b/networking/libiproute/rtm_map.h
@@ -2,7 +2,7 @@
#ifndef __RTM_MAP_H__
#define __RTM_MAP_H__ 1
-char *rtnl_rtntype_n2a(int id, char *buf, int len);
+const char *rtnl_rtntype_n2a(int id, char *buf, int len);
int rtnl_rtntype_a2n(int *id, char *arg);
int get_rt_realms(uint32_t *realms, char *arg);
diff --git a/runit/sv.c b/runit/sv.c
index 6594e1451..6b154c1a8 100644
--- a/runit/sv.c
+++ b/runit/sv.c
@@ -7,33 +7,33 @@
#include "runit_lib.h"
static char *action;
-static char *acts;
-static char *varservice = "/var/service/";
+static const char *acts;
+static const char *varservice = "/var/service/";
static char **service;
static char **servicex;
static unsigned services;
-static unsigned rc = 0;
-static unsigned verbose = 0;
+static unsigned rc;
+static unsigned verbose;
static unsigned long waitsec = 7;
-static unsigned kll = 0;
+static unsigned kll;
static struct taia tstart, tnow, tdiff;
static struct tai tstatus;
-static int (*act)(char*) = 0;
-static int (*cbk)(char*) = 0;
+static int (*act)(const char*);
+static int (*cbk)(const char*);
static int curdir, fd, r;
static char svstatus[20];
#define usage() bb_show_usage()
-static void fatal_cannot(char *m1)
+static void fatal_cannot(const char *m1)
{
bb_perror_msg("fatal: cannot %s", m1);
_exit(151);
}
-static void out(char *p, char *m1)
+static void out(const char *p, const char *m1)
{
printf("%s%s: %s", p, *service, m1);
if (errno) {
@@ -51,15 +51,16 @@ static void out(char *p, char *m1)
#define TIMEOUT "timeout: "
#define KILL "kill: "
-static void fail(char *m1) { ++rc; out(FAIL, m1); }
-static void failx(char *m1) { errno = 0; fail(m1); }
-static void warn_cannot(char *m1) { ++rc; out("warning: cannot ", m1); }
-static void warnx_cannot(char *m1) { errno = 0; warn_cannot(m1); }
-static void ok(char *m1) { errno = 0; out(OK, m1); }
+static void fail(const char *m1) { ++rc; out(FAIL, m1); }
+static void failx(const char *m1) { errno = 0; fail(m1); }
+static void warn_cannot(const char *m1) { ++rc; out("warning: cannot ", m1); }
+static void warnx_cannot(const char *m1) { errno = 0; warn_cannot(m1); }
+static void ok(const char *m1) { errno = 0; out(OK, m1); }
static int svstatus_get(void)
{
- if ((fd = open_write("supervise/ok")) == -1) {
+ fd = open_write("supervise/ok");
+ if (fd == -1) {
if (errno == ENODEV) {
*acts == 'x' ? ok("runsv not running")
: failx("runsv not running");
@@ -69,7 +70,8 @@ static int svstatus_get(void)
return -1;
}
close(fd);
- if ((fd = open_read("supervise/status")) == -1) {
+ fd = open_read("supervise/status");
+ if (fd == -1) {
warn_cannot("open supervise/status");
return -1;
}
@@ -83,7 +85,7 @@ static int svstatus_get(void)
return 1;
}
-static unsigned svstatus_print(char *m)
+static unsigned svstatus_print(const char *m)
{
int pid;
int normallyup = 0;
@@ -121,7 +123,7 @@ static unsigned svstatus_print(char *m)
return pid ? 1 : 2;
}
-static int status(char *unused)
+static int status(const char *unused)
{
r = svstatus_get();
switch (r) { case -1: case 0: return 0; }
@@ -156,8 +158,8 @@ static int checkscript(void)
return 0;
}
if (!pid) {
- prog[0] = "./check";
- prog[1] = 0;
+ prog[0] = (char*)"./check";
+ prog[1] = NULL;
close(1);
execve("check", prog, environ);
bb_perror_msg(WARN"cannot run %s/check", *service);
@@ -171,7 +173,7 @@ static int checkscript(void)
return !wait_exitcode(w);
}
-static int check(char *a)
+static int check(const char *a)
{
unsigned pid;
@@ -200,15 +202,18 @@ static int check(char *a)
if ((!pid && tstart.sec.x > tstatus.x) || (pid && svstatus[17] != 'd'))
return 0;
}
- printf(OK); svstatus_print(*service); puts(""); /* will also flush the output */
+ printf(OK);
+ svstatus_print(*service);
+ puts(""); /* will also flush the output */
return 1;
}
-static int control(char *a)
+static int control(const char *a)
{
if (svstatus_get() <= 0) return -1;
if (svstatus[17] == *a) return 0;
- if ((fd = open_write("supervise/control")) == -1) {
+ fd = open_write("supervise/control");
+ if (fd == -1) {
if (errno != ENODEV)
warn_cannot("open supervise/control");
else
@@ -245,15 +250,20 @@ int sv_main(int argc, char **argv)
if (opt & 4) usage();
if (!(action = *argv++)) usage();
--argc;
- service = argv; services = argc;
+ service = argv;
+ services = argc;
if (!*service) usage();
- taia_now(&tnow); tstart = tnow;
- if ((curdir = open_read(".")) == -1)
+ taia_now(&tnow);
+ tstart = tnow;
+ curdir = open_read(".");
+ if (curdir == -1)
fatal_cannot("open current directory");
- act = &control; acts = "s";
- if (verbose) cbk = &check;
+ act = &control;
+ acts = "s";
+ if (verbose)
+ cbk = &check;
switch (*action) {
case 'x': case 'e':
acts = "x"; break;
@@ -289,7 +299,9 @@ int sv_main(int argc, char **argv)
cbk = &check;
break;
}
- act = &status; cbk = 0; break;
+ act = &status;
+ cbk = NULL;
+ break;
case 'r':
if (!str_diff(action, "restart")) {
acts = "tcu";