+++ /dev/null
-/*\r
- * Copyright (c) 1983, 1993\r
- * The Regents of the University of California. All rights reserved.\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
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\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
- * 3. All advertising materials mentioning features or use of this software\r
- * must display the following acknowledgement:\r
- * This product includes software developed by the University of\r
- * California, Berkeley and its contributors.\r
- * 4. Neither the name of the University nor the names of its contributors\r
- * may be used to endorse or promote products derived from this software\r
- * without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
- * SUCH DAMAGE.\r
- */\r
-\r
-#if defined(LIBC_SCCS) && !defined(lint)\r
-static char sccsid[] = "@(#)getprotoent.c 8.1 (Berkeley) 6/4/93";\r
-#endif /* LIBC_SCCS and not lint */\r
-\r
-#include <sys/types.h>\r
-#include <sys/socket.h>\r
-#include <netdb.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-\r
-#define MAXALIASES 35\r
-\r
-static FILE *protof = NULL;\r
-static char line[BUFSIZ+1];\r
-static struct protoent proto;\r
-static char *proto_aliases[MAXALIASES];\r
-int _proto_stayopen;\r
-\r
-void\r
-setprotoent(int f)\r
-{\r
- if (protof == NULL)\r
- protof = fopen(_PATH_PROTOCOLS, "r" );\r
- else\r
- rewind(protof);\r
- _proto_stayopen |= f;\r
-}\r
-\r
-void\r
-endprotoent()\r
-{\r
- if (protof) {\r
- fclose(protof);\r
- protof = NULL;\r
- }\r
- _proto_stayopen = 0;\r
-}\r
-\r
-struct protoent *\r
-getprotoent()\r
-{\r
- char *p;\r
- register char *cp, **q;\r
-\r
- if (protof == NULL && (protof = fopen(_PATH_PROTOCOLS, "r" )) == NULL)\r
- return (NULL);\r
-again:\r
- if ((p = fgets(line, BUFSIZ, protof)) == NULL)\r
- return (NULL);\r
- if (*p == '#')\r
- goto again;\r
- cp = strpbrk(p, "#\n");\r
- if (cp == NULL)\r
- goto again;\r
- *cp = '\0';\r
- proto.p_name = p;\r
- cp = strpbrk(p, " \t");\r
- if (cp == NULL)\r
- goto again;\r
- *cp++ = '\0';\r
- while (*cp == ' ' || *cp == '\t')\r
- cp++;\r
- p = strpbrk(cp, " \t");\r
- if (p != NULL)\r
- *p++ = '\0';\r
- proto.p_proto = atoi(cp);\r
- q = proto.p_aliases = proto_aliases;\r
- if (p != NULL) {\r
- cp = p;\r
- while (cp && *cp) {\r
- if (*cp == ' ' || *cp == '\t') {\r
- cp++;\r
- continue;\r
- }\r
- if (q < &proto_aliases[MAXALIASES - 1])\r
- *q++ = cp;\r
- cp = strpbrk(cp, " \t");\r
- if (cp != NULL)\r
- *cp++ = '\0';\r
- }\r
- }\r
- *q = NULL;\r
- return (&proto);\r
-}\r