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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-22 14:12:08 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-22 14:12:08 +0000
commit703e20235aa0624d3ff4335c1e86edaa6e21efe2 (patch)
tree49e8451efad93b75c0be74ee553d3b3f8c04a25d /libbb
parent6cd2d2bcba37a13d0d73326dd7bca64bbccce4f8 (diff)
downloadbusybox-703e20235aa0624d3ff4335c1e86edaa6e21efe2.tar.gz
busybox-703e20235aa0624d3ff4335c1e86edaa6e21efe2.tar.bz2
cleanups: unnecessary casts, unified const_1, eliminate cross-.c file
prototypes (heresy!), add spaces in places like "flags&NETSTAT_CONNECTED", removed unused #defines, #ifdef -> #if, use uint32_t for ipv4 addrs.
Diffstat (limited to 'libbb')
-rw-r--r--libbb/inet_common.c51
-rw-r--r--libbb/lineedit.c4
-rw-r--r--libbb/messages.c3
-rw-r--r--libbb/xconnect.c5
4 files changed, 32 insertions, 31 deletions
diff --git a/libbb/inet_common.c b/libbb/inet_common.c
index 9cdcb11de..6b31c79f2 100644
--- a/libbb/inet_common.c
+++ b/libbb/inet_common.c
@@ -33,19 +33,23 @@ int INET_resolve(const char *name, struct sockaddr_in *s_in, int hostfirst)
/* If we expect this to be a hostname, try hostname database first */
#ifdef DEBUG
if (hostfirst) {
- bb_error_msg("gethostbyname (%s)", name);
+ bb_error_msg("gethostbyname(%s)", name);
}
#endif
- if (hostfirst && (hp = gethostbyname(name)) != (struct hostent *) NULL) {
- memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
- sizeof(struct in_addr));
- return 0;
+ if (hostfirst) {
+ hp = gethostbyname(name);
+ if (hp != NULL) {
+ memcpy(&s_in->sin_addr, hp->h_addr_list[0],
+ sizeof(struct in_addr));
+ return 0;
+ }
}
/* Try the NETWORKS database to see if this is a known network. */
#ifdef DEBUG
- bb_error_msg("getnetbyname (%s)", name);
+ bb_error_msg("getnetbyname(%s)", name);
#endif
- if ((np = getnetbyname(name)) != (struct netent *) NULL) {
+ np = getnetbyname(name);
+ if (np != NULL) {
s_in->sin_addr.s_addr = htonl(np->n_net);
return 1;
}
@@ -59,14 +63,13 @@ int INET_resolve(const char *name, struct sockaddr_in *s_in, int hostfirst)
#endif
#ifdef DEBUG
- bb_error_msg("gethostbyname (%s)", name);
+ bb_error_msg("gethostbyname(%s)", name);
#endif
- if ((hp = gethostbyname(name)) == (struct hostent *) NULL) {
+ hp = gethostbyname(name);
+ if (hp == NULL) {
return -1;
}
- memcpy((char *) &s_in->sin_addr, (char *) hp->h_addr_list[0],
- sizeof(struct in_addr));
-
+ memcpy(&s_in->sin_addr, hp->h_addr_list[0], sizeof(struct in_addr));
return 0;
}
@@ -78,7 +81,7 @@ struct addr {
struct addr *next;
};
-static struct addr *INET_nn = NULL; /* addr-to-name cache */
+static struct addr *INET_nn = NULL; /* addr-to-name cache */
/* numeric: & 0x8000: default instead of *,
* & 0x4000: host instead of net,
@@ -90,7 +93,7 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
struct hostent *ent;
struct netent *np;
struct addr *pn;
- unsigned long ad, host_ad;
+ uint32_t ad, host_ad;
int host = 0;
/* Grmpf. -FvK */
@@ -102,9 +105,9 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
errno = EAFNOSUPPORT;
return -1;
}
- ad = (unsigned long) s_in->sin_addr.s_addr;
+ ad = s_in->sin_addr.s_addr;
#ifdef DEBUG
- bb_error_msg("rresolve: %08lx, mask %08x, num %08x", ad, netmask, numeric);
+ bb_error_msg("rresolve: %08x, mask %08x, num %08x", (unsigned)ad, netmask, numeric);
#endif
if (ad == INADDR_ANY) {
if ((numeric & 0x0FFF) == 0) {
@@ -127,8 +130,8 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
if (pn->addr.sin_addr.s_addr == ad && pn->host == host) {
safe_strncpy(name, pn->name, len);
#ifdef DEBUG
- bb_error_msg("rresolve: found %s %08lx in cache",
- (host ? "host" : "net"), ad);
+ bb_error_msg("rresolve: found %s %08x in cache",
+ (host ? "host" : "net"), (unsigned)ad);
#endif
return 0;
}
@@ -140,7 +143,7 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
ent = NULL;
if (host) {
#ifdef DEBUG
- bb_error_msg("gethostbyaddr (%08lx)", ad);
+ bb_error_msg("gethostbyaddr (%08x)", (unsigned)ad);
#endif
ent = gethostbyaddr((char *) &ad, 4, AF_INET);
if (ent != NULL) {
@@ -148,14 +151,14 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
}
} else {
#ifdef DEBUG
- bb_error_msg("getnetbyaddr (%08lx)", host_ad);
+ bb_error_msg("getnetbyaddr (%08x)", (unsigned)host_ad);
#endif
np = getnetbyaddr(host_ad, AF_INET);
if (np != NULL) {
safe_strncpy(name, np->n_name, len);
}
}
- if ((ent == NULL) && (np == NULL)) {
+ if (!ent && !np) {
safe_strncpy(name, inet_ntoa(s_in->sin_addr), len);
}
pn = xmalloc(sizeof(struct addr));
@@ -164,7 +167,6 @@ int INET_rresolve(char *name, size_t len, struct sockaddr_in *s_in,
pn->host = host;
pn->name = xstrdup(name);
INET_nn = pn;
-
return 0;
}
@@ -183,9 +185,7 @@ int INET6_resolve(const char *name, struct sockaddr_in6 *sin6)
return -1;
}
memcpy(sin6, ai->ai_addr, sizeof(struct sockaddr_in6));
-
freeaddrinfo(ai);
-
return 0;
}
@@ -224,7 +224,8 @@ int INET6_rresolve(char *name, size_t len, struct sockaddr_in6 *sin6,
return 0;
}
- s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6), name, len, NULL, 0, 0);
+ s = getnameinfo((struct sockaddr *) sin6, sizeof(struct sockaddr_in6),
+ name, len, NULL, 0, 0);
if (s) {
bb_error_msg("getnameinfo failed");
return -1;
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 2c849eb74..08dab26f0 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1254,8 +1254,6 @@ static void win_changed(int nsig)
int read_line_input(const char* prompt, char* command, int maxsize, line_input_t *st)
{
- static const int null_flags;
-
int lastWasTab = FALSE;
unsigned int ic;
unsigned char c;
@@ -1270,7 +1268,7 @@ int read_line_input(const char* prompt, char* command, int maxsize, line_input_t
maxsize = BUFSIZ;
/* With null flags, no other fields are ever used */
- state = st ? st : (line_input_t*) &null_flags;
+ state = st ? st : (line_input_t*) &const_int_0;
if (state->flags & SAVE_HISTORY)
load_history(state->hist_file);
diff --git a/libbb/messages.c b/libbb/messages.c
index 6c3d2f608..105e4ce66 100644
--- a/libbb/messages.c
+++ b/libbb/messages.c
@@ -40,6 +40,9 @@ const char bb_path_motd_file[] = "/etc/motd";
const char bb_default_login_shell[] = LIBBB_DEFAULT_LOGIN_SHELL;
const char bb_dev_null[] = "/dev/null";
+const int const_int_0;
+const int const_int_1 = 1;
+
#include <utmp.h>
/* This is usually something like "/var/adm/wtmp" or "/var/log/wtmp" */
const char bb_path_wtmp_file[] =
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index 62cab95a1..0addda157 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -9,14 +9,13 @@
#include <netinet/in.h>
#include "libbb.h"
-static const int one = 1;
int setsockopt_reuseaddr(int fd)
{
- return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one));
+ return setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &const_int_1, sizeof(const_int_1));
}
int setsockopt_broadcast(int fd)
{
- return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &one, sizeof(one));
+ return setsockopt(fd, SOL_SOCKET, SO_BROADCAST, &const_int_1, sizeof(const_int_1));
}
void xconnect(int s, const struct sockaddr *s_addr, socklen_t addrlen)