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Diffstat (limited to 'common/rfb/util.cxx')
-rw-r--r-- | common/rfb/util.cxx | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/common/rfb/util.cxx b/common/rfb/util.cxx new file mode 100644 index 00000000..57454324 --- /dev/null +++ b/common/rfb/util.cxx @@ -0,0 +1,184 @@ +/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved. + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +/* + * The following applies to stcasecmp and strncasecmp implementations: + * + * Copyright (c) 1987 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of California at Berkeley. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific written prior permission. This software + * is provided ``as is'' without express or implied warranty. + */ + +#include <rfb/util.h> + +// Provide strcasecmp() and/or strncasecmp() if absent on this system. + +#ifndef WIN32 +#if !defined(HAVE_STRCASECMP) || !defined(HAVE_STRNCASECMP) + +extern "C" { + +/* + * 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 unsigned char s_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', '\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', '\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', +}; + +#ifndef HAVE_STRCASECMP +int +strcasecmp(const char *s1, const char *s2) +{ + unsigned char u1, u2; + + for (;;) { + u1 = (unsigned char) *s1++; + u2 = (unsigned char) *s2++; + if (s_charmap[u1] != s_charmap[u2]) { + return s_charmap[u1] - s_charmap[u2]; + } + if (u1 == '\0') { + return 0; + } + } +} +#endif // !defined(HAVE_STRCASECMP) + +#ifndef HAVE_STRNCASECMP +int +strncasecmp(const char *s1, const char *s2, size_t n) +{ + unsigned char u1, u2; + + for (; n != 0; --n) { + u1 = (unsigned char) *s1++; + u2 = (unsigned char) *s2++; + if (s_charmap[u1] != s_charmap[u2]) { + return s_charmap[u1] - s_charmap[u2]; + } + if (u1 == '\0') { + return 0; + } + } + return 0; +} +#endif // !defined(HAVE_STRNCASECMP) + +} // extern "C" + +#endif // !defined(HAVE_STRCASECMP) || !defined(HAVE_STRNCASECMP) +#endif // defined(WIN32) + +namespace rfb { + + char* strDup(const char* s) { + if (!s) return 0; + int l = strlen(s); + char* r = new char[l+1]; + memcpy(r, s, l+1); + return r; + }; + + void strFree(char* s) { + delete [] s; + } + + + bool strSplit(const char* src, const char limiter, char** out1, char** out2, bool fromEnd) { + CharArray out1old, out2old; + if (out1) out1old.buf = *out1; + if (out2) out2old.buf = *out2; + int len = strlen(src); + int i=0, increment=1, limit=len; + if (fromEnd) { + i=len-1; increment = -1; limit = -1; + } + while (i!=limit) { + if (src[i] == limiter) { + if (out1) { + *out1 = new char[i+1]; + if (i) memcpy(*out1, src, i); + (*out1)[i] = 0; + } + if (out2) { + *out2 = new char[len-i]; + if (len-i-1) memcpy(*out2, &src[i+1], len-i-1); + (*out2)[len-i-1] = 0; + } + return true; + } + i+=increment; + } + if (out1) *out1 = strDup(src); + if (out2) *out2 = 0; + return false; + } + + bool strContains(const char* src, char c) { + int l=strlen(src); + for (int i=0; i<l; i++) + if (src[i] == c) return true; + return false; + } + + void strCopy(char* dest, const char* src, int destlen) { + if (src) + strncpy(dest, src, destlen-1); + dest[src ? destlen-1 : 0] = 0; + } + +}; |