wt/finit
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Moved helpers to a separate file

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Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>
This commit is contained in:
Claudio Matsuoka committed 2008-02-16 22:03:16 -02:00
1 parent a31bd547d6
commit dbb31994a0
6 files changed
+123 -127
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finit-alt.c
+3 -60
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@@ -42,6 +42,7 @@ THE SOFTWARE.
#include <netinet/in.h>
#include <arpa/inet.h>
#include "helpers.h"
#ifdef DEBUG
#define debug(x...) do { \
@@ -93,64 +94,6 @@ THE SOFTWARE.
#define chardev(x,m,maj,min) mknod((x), S_IFCHR|(m), makedev((maj),(min)))
/*
* Helpers to replace system() calls
*/
int makepath(char *p)
{
char *x, path[PATH_MAX];
int ret;
x = path;
do {
do { *x++ = *p++; } while (*p && *p != '/');
ret = mkdir(path, 0777);
} while (*p && (*p != '/' || *(p + 1))); /* ignore trailing slash */
return ret;
}
void ifconfig(char *name, char *inet, char *mask, int flags)
{
struct ifreq ifr;
struct sockaddr_in *a = (struct sockaddr_in *)&(ifr.ifr_addr);
int sock;
if ((sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP)) < 0)
return;
memset(&ifr, 0, sizeof (ifr));
strncpy(ifr.ifr_name, name, IFNAMSIZ);
a->sin_family = AF_INET;
inet_aton(inet, &a->sin_addr);
ioctl(sock, SIOCSIFADDR, &ifr);
inet_aton(mask, &a->sin_addr);
ioctl(sock, SIOCSIFNETMASK, &ifr);
ioctl(sock, SIOCGIFFLAGS, &ifr);
ifr.ifr_flags |= flags;
ioctl(sock, SIOCSIFFLAGS, &ifr);
close(sock);
}
void copy4k(char *src, char *dst)
{
char buffer[4096];
int s, d, n;
if ((s = open(src, O_RDONLY)) >= 0) {
if ((d = open(dst, O_WRONLY | O_CREAT, 0644)) >= 0) {
if ((n = read(s, buffer, 4096)) > 0)
write(d, buffer, n);
close(d);
}
close(s);
}
}
void do_shutdown(int);
void signal_handler(int);
void chld_handler(int);
@@ -308,10 +251,10 @@ int main()
/*
* Set random seed
*/
copy4k(RANDOMSEED, "/dev/urandom");
copyfile(RANDOMSEED, "/dev/urandom", 0);
unlink(RANDOMSEED);
umask(077);
copy4k("/dev/urandom", RANDOMSEED);
copyfile("/dev/urandom", RANDOMSEED, 4096);
/*
* Misc setup