diff options
| author | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-30 00:30:44 +0000 |
|---|---|---|
| committer | darylm503 <darylm503@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-07-30 00:30:44 +0000 |
| commit | d7ce700605e1af0e455e31ec11f19ff21d26b525 (patch) | |
| tree | 243b582ac3350e8c6ce6ca96fff13805318fd65c /StdLib/BsdSocketLib/inet_net_ntop.c | |
| parent | f766dd76fde231ecd4f2e9faf99293e90902cebb (diff) | |
| download | edk2-platforms-d7ce700605e1af0e455e31ec11f19ff21d26b525.tar.xz | |
Add Socket Libraries.
Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
setenv(), fparseln(), GetFileNameFromPath(), rename(),
realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
bcopy(),
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'StdLib/BsdSocketLib/inet_net_ntop.c')
| -rw-r--r-- | StdLib/BsdSocketLib/inet_net_ntop.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/StdLib/BsdSocketLib/inet_net_ntop.c b/StdLib/BsdSocketLib/inet_net_ntop.c new file mode 100644 index 0000000000..3925727878 --- /dev/null +++ b/StdLib/BsdSocketLib/inet_net_ntop.c @@ -0,0 +1,142 @@ +/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char orig_rcsid[] = "From Id: inet_net_ntop.c,v 8.2 1996/08/08 06:54:44 vixie Exp";
+static const char rcsid[] = "$Id: inet_net_ntop.c,v 1.1.1.1 2003/11/19 01:51:29 kyu3 Exp $";
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+static char * inet_net_ntop_ipv4 (const u_char *src, int bits,
+ char *dst, size_t size);
+
+/*
+ * char *
+ * inet_net_ntop(af, src, bits, dst, size)
+ * convert network number from network to presentation format.
+ * generates CIDR style result always.
+ * return:
+ * pointer to dst, or NULL if an error occurred (check errno).
+ * author:
+ * Paul Vixie (ISC), July 1996
+ */
+char *
+inet_net_ntop(
+ int af,
+ const void *src,
+ int bits,
+ char *dst,
+ size_t size
+ )
+{
+ switch (af) {
+ case AF_INET:
+ return (inet_net_ntop_ipv4(src, bits, dst, size));
+ default:
+ errno = EAFNOSUPPORT;
+ return (NULL);
+ }
+}
+
+/*
+ * static char *
+ * inet_net_ntop_ipv4(src, bits, dst, size)
+ * convert IPv4 network number from network to presentation format.
+ * generates CIDR style result always.
+ * return:
+ * pointer to dst, or NULL if an error occurred (check errno).
+ * note:
+ * network byte order assumed. this means 192.5.5.240/28 has
+ * 0x11110000 in its fourth octet.
+ * author:
+ * Paul Vixie (ISC), July 1996
+ */
+static char *
+inet_net_ntop_ipv4(
+ const u_char *src,
+ int bits,
+ char *dst,
+ size_t size
+ )
+{
+ char *odst = dst;
+ char *t;
+ u_int m;
+ int b;
+
+ if (bits < 0 || bits > 32) {
+ errno = EINVAL;
+ return (NULL);
+ }
+ if (bits == 0) {
+ if (size < sizeof "0")
+ goto emsgsize;
+ *dst++ = '0';
+ *dst = '\0';
+ }
+
+ /* Format whole octets. */
+ for (b = bits / 8; b > 0; b--) {
+ if (size < sizeof "255.")
+ goto emsgsize;
+ t = dst;
+ dst += SPRINTF((dst, "%u", *src++));
+ if (b > 1) {
+ *dst++ = '.';
+ *dst = '\0';
+ }
+ size -= (size_t)(dst - t);
+ }
+
+ /* Format partial octet. */
+ b = bits % 8;
+ if (b > 0) {
+ if (size < sizeof ".255")
+ goto emsgsize;
+ t = dst;
+ if (dst != odst)
+ *dst++ = '.';
+ m = ((1 << b) - 1) << (8 - b);
+ dst += SPRINTF((dst, "%u", *src & m));
+ size -= (size_t)(dst - t);
+ }
+
+ /* Format CIDR /width. */
+ if (size < sizeof "/32")
+ goto emsgsize;
+ dst += SPRINTF((dst, "/%u", bits));
+ return (odst);
+
+ emsgsize:
+ errno = EMSGSIZE;
+ return (NULL);
+}
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