* Portions copyright (c) 1999, 2000\r
* Intel Corporation.\r
* All rights reserved.\r
- * \r
+ *\r
* Redistribution and use in source and binary forms, with or without\r
* modification, are permitted provided that the following conditions\r
* are met:\r
- * \r
+ *\r
* 1. Redistributions of source code must retain the above copyright\r
* notice, this list of conditions and the following disclaimer.\r
- * \r
+ *\r
* 2. Redistributions in binary form must reproduce the above copyright\r
* notice, this list of conditions and the following disclaimer in the\r
* documentation and/or other materials provided with the distribution.\r
- * \r
+ *\r
* 3. All advertising materials mentioning features or use of this software\r
* must display the following acknowledgement:\r
- * \r
+ *\r
* This product includes software developed by Intel Corporation and\r
* its contributors.\r
- * \r
+ *\r
* 4. Neither the name of Intel Corporation or its contributors may be\r
* used to endorse or promote products derived from this software\r
* without specific prior written permission.\r
- * \r
+ *\r
* THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS''\r
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF\r
* THE POSSIBILITY OF SUCH DAMAGE.\r
- * \r
+ *\r
*/\r
\r
-#if defined(LIBC_SCCS) && !defined(lint)\r
-static char rcsid[] = "$Id: inet_pton.c,v 1.1.1.1 2003/11/19 01:51:30 kyu3 Exp $";\r
+#if defined (LIBC_SCCS) && !defined (lint)\r
+static char rcsid[] = "$Id: inet_pton.c,v 1.1.1.1 2003/11/19 01:51:30 kyu3 Exp $";\r
#endif /* LIBC_SCCS and not lint */\r
\r
#include <sys/param.h>\r
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.\r
*/\r
\r
-static int inet_pton4 (const char *src, u_char *dst);\r
-static int inet_pton6 (const char *src, u_char *dst);\r
+static int\r
+inet_pton4 (\r
+ const char *src,\r
+ u_char *dst\r
+ );\r
+\r
+static int\r
+inet_pton6 (\r
+ const char *src,\r
+ u_char *dst\r
+ );\r
\r
/* int\r
* inet_pton(af, src, dst)\r
- * convert from presentation format (which usually means ASCII printable)\r
- * to network format (which is usually some kind of binary format).\r
+ * convert from presentation format (which usually means ASCII printable)\r
+ * to network format (which is usually some kind of binary format).\r
* return:\r
- * 1 if the address was valid for the specified address family\r
- * 0 if the address wasn't valid (`dst' is untouched in this case)\r
- * -1 if some other error occurred (`dst' is untouched in this case, too)\r
+ * 1 if the address was valid for the specified address family\r
+ * 0 if the address wasn't valid (`dst' is untouched in this case)\r
+ * -1 if some other error occurred (`dst' is untouched in this case, too)\r
* author:\r
- * Paul Vixie, 1996.\r
+ * Paul Vixie, 1996.\r
*/\r
int\r
-inet_pton(\r
- int af,\r
- const char *src,\r
- void *dst\r
- )\r
+inet_pton (\r
+ int af,\r
+ const char *src,\r
+ void *dst\r
+ )\r
{\r
- switch (af) {\r
- case AF_INET:\r
- return (inet_pton4(src, dst));\r
- case AF_INET6:\r
- return (inet_pton6(src, dst));\r
- default:\r
- errno = EAFNOSUPPORT;\r
- return (-1);\r
- }\r
- /* NOTREACHED */\r
+ switch (af) {\r
+ case AF_INET:\r
+ return (inet_pton4 (src, dst));\r
+ case AF_INET6:\r
+ return (inet_pton6 (src, dst));\r
+ default:\r
+ errno = EAFNOSUPPORT;\r
+ return (-1);\r
+ }\r
+\r
+ /* NOTREACHED */\r
}\r
\r
/* int\r
* inet_pton4(src, dst)\r
- * like inet_aton() but without all the hexadecimal and shorthand.\r
+ * like inet_aton() but without all the hexadecimal and shorthand.\r
* return:\r
- * 1 if `src' is a valid dotted quad, else 0.\r
+ * 1 if `src' is a valid dotted quad, else 0.\r
* notice:\r
- * does not touch `dst' unless it's returning 1.\r
+ * does not touch `dst' unless it's returning 1.\r
* author:\r
- * Paul Vixie, 1996.\r
+ * Paul Vixie, 1996.\r
*/\r
static int\r
-inet_pton4(\r
- const char *src,\r
- u_char *dst\r
- )\r
+inet_pton4 (\r
+ const char *src,\r
+ u_char *dst\r
+ )\r
{\r
- static const char digits[] = "0123456789";\r
- int saw_digit, octets, ch;\r
- u_char tmp[NS_INADDRSZ], *tp;\r
-\r
- saw_digit = 0;\r
- octets = 0;\r
- *(tp = tmp) = 0;\r
- while ((ch = *src++) != '\0') {\r
- const char *pch;\r
-\r
- if ((pch = strchr(digits, ch)) != NULL) {\r
- u_int new = *tp * 10 + (u_int)(pch - digits);\r
-\r
- if (new > 255)\r
- return (0);\r
- *tp = (u_char)new;\r
- if (! saw_digit) {\r
- if (++octets > 4)\r
- return (0);\r
- saw_digit = 1;\r
- }\r
- } else if (ch == '.' && saw_digit) {\r
- if (octets == 4)\r
- return (0);\r
- *++tp = 0;\r
- saw_digit = 0;\r
- } else\r
- return (0);\r
- }\r
- if (octets < 4)\r
- return (0);\r
-\r
- memcpy(dst, tmp, NS_INADDRSZ);\r
- return (1);\r
+ static const char digits[] = "0123456789";\r
+ int saw_digit, octets, ch;\r
+ u_char tmp[NS_INADDRSZ], *tp;\r
+\r
+ saw_digit = 0;\r
+ octets = 0;\r
+ *(tp = tmp) = 0;\r
+ while ((ch = *src++) != '\0') {\r
+ const char *pch;\r
+\r
+ if ((pch = strchr (digits, ch)) != NULL) {\r
+ u_int new = *tp * 10 + (u_int)(pch - digits);\r
+\r
+ if (new > 255) {\r
+ return (0);\r
+ }\r
+\r
+ *tp = (u_char)new;\r
+ if (!saw_digit) {\r
+ if (++octets > 4) {\r
+ return (0);\r
+ }\r
+\r
+ saw_digit = 1;\r
+ }\r
+ } else if ((ch == '.') && saw_digit) {\r
+ if (octets == 4) {\r
+ return (0);\r
+ }\r
+\r
+ *++tp = 0;\r
+ saw_digit = 0;\r
+ } else {\r
+ return (0);\r
+ }\r
+ }\r
+\r
+ if (octets < 4) {\r
+ return (0);\r
+ }\r
+\r
+ memcpy (dst, tmp, NS_INADDRSZ);\r
+ return (1);\r
}\r
\r
/* int\r
* inet_pton6(src, dst)\r
- * convert presentation level address to network order binary form.\r
+ * convert presentation level address to network order binary form.\r
* return:\r
- * 1 if `src' is a valid [RFC1884 2.2] address, else 0.\r
+ * 1 if `src' is a valid [RFC1884 2.2] address, else 0.\r
* notice:\r
- * (1) does not touch `dst' unless it's returning 1.\r
- * (2) :: in a full address is silently ignored.\r
+ * (1) does not touch `dst' unless it's returning 1.\r
+ * (2) :: in a full address is silently ignored.\r
* credit:\r
- * inspired by Mark Andrews.\r
+ * inspired by Mark Andrews.\r
* author:\r
- * Paul Vixie, 1996.\r
+ * Paul Vixie, 1996.\r
*/\r
static int\r
-inet_pton6(\r
- const char *src,\r
- u_char *dst\r
- )\r
+inet_pton6 (\r
+ const char *src,\r
+ u_char *dst\r
+ )\r
{\r
- static const char xdigits_l[] = "0123456789abcdef",\r
- xdigits_u[] = "0123456789ABCDEF";\r
- u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;\r
- const char *xdigits, *curtok;\r
- int ch, saw_xdigit;\r
- u_int val;\r
-\r
- memset((tp = tmp), '\0', NS_IN6ADDRSZ);\r
- endp = tp + NS_IN6ADDRSZ;\r
- colonp = NULL;\r
- /* Leading :: requires some special handling. */\r
- if (*src == ':')\r
- if (*++src != ':')\r
- return (0);\r
- curtok = src;\r
- saw_xdigit = 0;\r
- val = 0;\r
- while ((ch = *src++) != '\0') {\r
- const char *pch;\r
-\r
- if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)\r
- pch = strchr((xdigits = xdigits_u), ch);\r
- if (pch != NULL) {\r
- val <<= 4;\r
- val |= (pch - xdigits);\r
- if (val > 0xffff)\r
- return (0);\r
- saw_xdigit = 1;\r
- continue;\r
- }\r
- if (ch == ':') {\r
- curtok = src;\r
- if (!saw_xdigit) {\r
- if (colonp)\r
- return (0);\r
- colonp = tp;\r
- continue;\r
- }\r
- if (tp + NS_INT16SZ > endp)\r
- return (0);\r
- *tp++ = (u_char) (val >> 8) & 0xff;\r
- *tp++ = (u_char) val & 0xff;\r
- saw_xdigit = 0;\r
- val = 0;\r
- continue;\r
- }\r
- if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&\r
- inet_pton4(curtok, tp) > 0) {\r
- tp += NS_INADDRSZ;\r
- saw_xdigit = 0;\r
- break; /* '\0' was seen by inet_pton4(). */\r
- }\r
- return (0);\r
- }\r
- if (saw_xdigit) {\r
- if (tp + NS_INT16SZ > endp)\r
- return (0);\r
- *tp++ = (u_char) (val >> 8) & 0xff;\r
- *tp++ = (u_char) val & 0xff;\r
- }\r
- if (colonp != NULL) {\r
- /*\r
- * Since some memmove()'s erroneously fail to handle\r
- * overlapping regions, we'll do the shift by hand.\r
- */\r
- const int n = (int)(tp - colonp);\r
- int i;\r
-\r
- for (i = 1; i <= n; i++) {\r
- endp[- i] = colonp[n - i];\r
- colonp[n - i] = 0;\r
- }\r
- tp = endp;\r
- }\r
- if (tp != endp)\r
- return (0);\r
- memcpy(dst, tmp, NS_IN6ADDRSZ);\r
- return (1);\r
+ static const char xdigits_l[] = "0123456789abcdef",\r
+ xdigits_u[] = "0123456789ABCDEF";\r
+ u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;\r
+ const char *xdigits, *curtok;\r
+ int ch, saw_xdigit;\r
+ u_int val;\r
+\r
+ memset ((tp = tmp), '\0', NS_IN6ADDRSZ);\r
+ endp = tp + NS_IN6ADDRSZ;\r
+ colonp = NULL;\r
+ /* Leading :: requires some special handling. */\r
+ if (*src == ':') {\r
+ if (*++src != ':') {\r
+ return (0);\r
+ }\r
+ }\r
+\r
+ curtok = src;\r
+ saw_xdigit = 0;\r
+ val = 0;\r
+ while ((ch = *src++) != '\0') {\r
+ const char *pch;\r
+\r
+ if ((pch = strchr ((xdigits = xdigits_l), ch)) == NULL) {\r
+ pch = strchr ((xdigits = xdigits_u), ch);\r
+ }\r
+\r
+ if (pch != NULL) {\r
+ val <<= 4;\r
+ val |= (pch - xdigits);\r
+ if (val > 0xffff) {\r
+ return (0);\r
+ }\r
+\r
+ saw_xdigit = 1;\r
+ continue;\r
+ }\r
+\r
+ if (ch == ':') {\r
+ curtok = src;\r
+ if (!saw_xdigit) {\r
+ if (colonp) {\r
+ return (0);\r
+ }\r
+\r
+ colonp = tp;\r
+ continue;\r
+ }\r
+\r
+ if (tp + NS_INT16SZ > endp) {\r
+ return (0);\r
+ }\r
+\r
+ *tp++ = (u_char)(val >> 8) & 0xff;\r
+ *tp++ = (u_char)val & 0xff;\r
+ saw_xdigit = 0;\r
+ val = 0;\r
+ continue;\r
+ }\r
+\r
+ if ((ch == '.') && ((tp + NS_INADDRSZ) <= endp) &&\r
+ (inet_pton4 (curtok, tp) > 0))\r
+ {\r
+ tp += NS_INADDRSZ;\r
+ saw_xdigit = 0;\r
+ break; /* '\0' was seen by inet_pton4(). */\r
+ }\r
+\r
+ return (0);\r
+ }\r
+\r
+ if (saw_xdigit) {\r
+ if (tp + NS_INT16SZ > endp) {\r
+ return (0);\r
+ }\r
+\r
+ *tp++ = (u_char)(val >> 8) & 0xff;\r
+ *tp++ = (u_char)val & 0xff;\r
+ }\r
+\r
+ if (colonp != NULL) {\r
+ /*\r
+ * Since some memmove()'s erroneously fail to handle\r
+ * overlapping regions, we'll do the shift by hand.\r
+ */\r
+ const int n = (int)(tp - colonp);\r
+ int i;\r
+\r
+ for (i = 1; i <= n; i++) {\r
+ endp[-i] = colonp[n - i];\r
+ colonp[n - i] = 0;\r
+ }\r
+\r
+ tp = endp;\r
+ }\r
+\r
+ if (tp != endp) {\r
+ return (0);\r
+ }\r
+\r
+ memcpy (dst, tmp, NS_IN6ADDRSZ);\r
+ return (1);\r
}\r
projects / mirror_edk2.git / blobdiff