/******************************************************************** * lindner * 3.7 * 1993/10/27 18:51:10 * /home/mudhoney/GopherSrc/CVS/gopher+/object/compatible.c,v * Exp * * Paul Lindner, University of Minnesota CIS. * * Copyright 1991, 1992 by the Regents of the University of Minnesota * see the file "Copyright" in the distribution for conditions of use. ********************************************************************* * MODULE: compatible.c * Compatibility routines ********************************************************************* * Revision History: * compatible.c,v * Revision 3.7 1993/10/27 18:51:10 lindner * Updates for VMS files/records * * Revision 3.6 1993/09/03 03:26:39 lindner * Better VMS tempnam() implementation * * Revision 3.5 1993/06/22 05:53:17 lindner * Added getdtablesize() option * * Revision 3.4 1993/04/15 21:36:30 lindner * Emulation of geteuid calls for HPs * * Revision 3.3 1993/03/18 22:27:46 lindner * better portable tempnam() * * Revision 3.2 1993/02/19 21:33:27 lindner * Gopher1.2b2 release * * Revision 3.1.1.1 1993/02/11 18:03:05 lindner * Gopher+1.2beta release * * Revision 1.4 1993/01/17 03:46:12 lindner * Fixed tempnam for VMS * * Revision 1.3 1993/01/08 23:13:55 lindner * Added more VMS mods from jqj * * *********************************************************************/ /* * Some functions that aren't implemented on every machine on the net * * definitions should be in the form "NO_FNNAME" * compatible.h looks at preprocessor symbols and automatically defines * many of the NO_FNNAME options * */ #include #include #include "Malloc.h" /*** For NULL ***/ #include "compatible.h" /*** For machines that don't have strstr ***/ #if defined(NOSTRSTR) char * strstr(host_name, cp) char *host_name; char *cp; { int i, j; for (i = 0; i < strlen(host_name); i++) { j = strncmp(host_name+i, cp, strlen(cp)); if (j == 0) return(host_name+i); } return(NULL); } #endif #if defined(sequent) #include vsprintf(va_alist) va_dcl { ; } vfprintf(va_alist) va_dcl { ; } #endif #if defined(NO_TEMPNAM) /* A tip of the hat to the developers of elm 2.4pl17, from whence the non-VMS portion of this routine comes. */ /* and a tempnam for temporary files */ static int cnt = 0; char *tempnam(dir, pfx) char *dir; char *pfx; { char space[512]; char *newspace; #ifdef VMS if (dir == NULL) { dir = "sys$scratch:"; } else if (*dir == '\0') { dir = "sys$scratch:"; } if (pfx == NULL) { pfx = "gopher.$"; } else if (*pfx == '\0') { pfx = "gopher.$"; } sprintf(space, "%s%s%d%d", dir, pfx, getpid(), cnt); #else if (dir == NULL) { dir = "/usr/tmp"; } else if (*dir == '\0') { dir = "/usr/tmp"; } if (pfx == NULL) { pfx = ""; } sprintf(space, "%s/%s%d.%d", dir, pfx, getpid(), cnt); #endif cnt++; newspace = (char *)malloc(strlen(space) + 1); if (newspace != NULL) { strcpy(newspace, space); } return newspace; } #endif #if defined(NO_STRDUP) char *strdup(str) char *str; { int len; char *temp; if (str == NULL) return(NULL); len = strlen(str); temp = (char *) malloc(sizeof(char) * len + 1); strcpy(temp, str); return(temp); } #endif #if defined(NO_TZSET) void tzset() { ; } #endif #if defined(NO_STRCASECMP) /* * Copyright (c) 1987 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Modified for use on VMS by Earl Fogel, University of Saskatchewan * Computing Services, January 1992 */ typedef unsigned char u_char; /* * This array is designed for mapping upper and lower case letter * together for a case independent comparison. The mappings are * based upon ascii character sequences. */ static const u_char charmap[] = { '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017', '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027', '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037', '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047', '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057', '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067', '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077', '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147', '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137', '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147', '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177', '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207', '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217', '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237', '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247', '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257', '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267', '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277', '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307', '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317', '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327', '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337', '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377', }; int strcasecmp(s1, s2) const char *s1, *s2; { register const u_char *cm = charmap, *us1 = (const u_char *)s1, *us2 = (const u_char *)s2; while (cm[*us1] == cm[*us2++]) if (*us1++ == '\0') return (0); return (cm[*us1] - cm[*--us2]); } int strncasecmp(s1, s2, n) const char *s1, *s2; register size_t n; { if (n != 0) { register const u_char *cm = charmap, *us1 = (const u_char *)s1, *us2 = (const u_char *)s2; do { if (cm[*us1] != cm[*us2++]) return (cm[*us1] - cm[*--us2]); if (*us1++ == '\0') break; } while (--n != 0); } return (0); } #endif #if defined(NO_GETDTABLESIZE) int getdtablesize() { struct rlimit rlp; rlp.rlim_cur = rlp.rlim_max = RLIM_INFINITY; if (getrlimit( RLIMIT_NOFILE, &rlp ) ) return(-1); fds = rlp.rlim_cur; } #endif #if defined(VMS) /* In all versions of VMS, fopen() and open() are needlessly inefficient. * Define jacket routines to do file opens with more sensible parameters * than the VAXCRTL default. * [Should we really be doing this for EVERY fopen() and open()?] */ #ifdef fopen #undef fopen #endif #ifdef open #undef open #endif FILE *fopen_VAR ( name, mode ) char *name, *mode; { return fopen ( name, mode, "rfm=var","rat=cr","mbc=32" ); } FILE *fopen_FIX ( name, mode ) char *name, *mode; { return fopen ( name, mode, "rfm=fix","mrs=512","mbc=32" ); } FILE *fopen_VMSopt ( name, mode ) char *name, *mode; { return fopen ( name, mode, "mbc=32" ); } int open_VMSopt ( name, flags, mode ) char *name; int flags; unsigned int mode; { return open ( name, flags, mode, "mbc=32"); } #endif