diff options
Diffstat (limited to 'libc/inet/hostid.c')
| -rw-r--r-- | libc/inet/hostid.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/libc/inet/hostid.c b/libc/inet/hostid.c index bc9576e74..4ac4a811f 100644 --- a/libc/inet/hostid.c +++ b/libc/inet/hostid.c @@ -1,7 +1,8 @@ -#define geteuid __geteuid -#define getuid __getuid -#define gethostbyname __gethostbyname -#define gethostname __gethostname +/* + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> + * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ #define __FORCE_GLIBC #include <features.h> @@ -14,6 +15,15 @@ #include <fcntl.h> #include <unistd.h> +libc_hidden_proto(memcpy) +libc_hidden_proto(open) +libc_hidden_proto(close) +libc_hidden_proto(read) +libc_hidden_proto(write) +libc_hidden_proto(getuid) +libc_hidden_proto(geteuid) +libc_hidden_proto(gethostbyname) +libc_hidden_proto(gethostname) #define HOSTID "/etc/hostid" @@ -23,10 +33,10 @@ int sethostid(long int new_id) int ret; if (geteuid() || getuid()) return __set_errno(EPERM); - if ((fd=__open(HOSTID,O_CREAT|O_WRONLY,0644))<0) return -1; - ret = __write(fd,(void *)&new_id,sizeof(new_id)) == sizeof(new_id) + if ((fd=open(HOSTID,O_CREAT|O_WRONLY,0644))<0) return -1; + ret = write(fd,(void *)&new_id,sizeof(new_id)) == sizeof(new_id) ? 0 : -1; - __close (fd); + close (fd); return ret; } @@ -39,12 +49,12 @@ long int gethostid(void) * It is not an error if we cannot read this file. It is not even an * error if we cannot read all the bytes, we just carry on trying... */ - if ((fd=__open(HOSTID,O_RDONLY))>=0 && __read(fd,(void *)&id,sizeof(id))) + if ((fd=open(HOSTID,O_RDONLY))>=0 && read(fd,(void *)&id,sizeof(id))) { - __close (fd); + close (fd); return id; } - if (fd >= 0) __close (fd); + if (fd >= 0) close (fd); /* Try some methods of returning a unique 32 bit id. Clearly IP * numbers, if on the internet, will have a unique address. If they @@ -70,7 +80,7 @@ long int gethostid(void) */ return 0; else { - __memcpy((char *) &in, (char *) hp->h_addr, hp->h_length); + memcpy((char *) &in, (char *) hp->h_addr, hp->h_length); /* Just so it doesn't look exactly like the IP addr */ return(in.s_addr<<16|in.s_addr>>16); |