Return to tools.c CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / libaitwww / src

Annotation of libaitwww/src/tools.c, revision 1.2

1.1       misho       1: /*************************************************************************
                      2: * (C) 2012 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
                      3: *  by Michael Pounov <misho@elwix.org>
                      4: *
                      5: * $Author: misho $
1.2     ! misho       6: * $Id: tools.c,v 1.1.1.1.2.1 2012/03/09 12:33:07 misho Exp $
1.1       misho       7: *
                      8: **************************************************************************
                      9: The ELWIX and AITNET software is distributed under the following
                     10: terms:
                     11: 
                     12: All of the documentation and software included in the ELWIX and AITNET
                     13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
                     14: 
                     15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
                     16:        by Michael Pounov <misho@elwix.org>.  All rights reserved.
                     17: 
                     18: Redistribution and use in source and binary forms, with or without
                     19: modification, are permitted provided that the following conditions
                     20: are met:
                     21: 1. Redistributions of source code must retain the above copyright
                     22:    notice, this list of conditions and the following disclaimer.
                     23: 2. Redistributions in binary form must reproduce the above copyright
                     24:    notice, this list of conditions and the following disclaimer in the
                     25:    documentation and/or other materials provided with the distribution.
                     26: 3. All advertising materials mentioning features or use of this software
                     27:    must display the following acknowledgement:
                     28: This product includes software developed by Michael Pounov <misho@elwix.org>
                     29: ELWIX - Embedded LightWeight unIX and its contributors.
                     30: 4. Neither the name of AITNET nor the names of its contributors
                     31:    may be used to endorse or promote products derived from this software
                     32:    without specific prior written permission.
                     33: 
                     34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
                     35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     37: ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     44: SUCH DAMAGE.
                     45: */
                     46: #include "global.h"
                     47: #include "tools.h"
                     48: 
                     49: 
                     50: int
                     51: www_cmp(const char *ct, const char *s)
                     52: {
                     53:        char *sc;
                     54: 
                     55:        assert(ct && s);
                     56: 
                     57:        while (isspace(*ct))
                     58:                ct++;
                     59: 
                     60:        if (!(sc = strchr(ct, ';')))
                     61:                sc = strchr(ct, '\x0');
                     62:        while (isspace(*(sc - 1)))
                     63:                sc--;
                     64: 
                     65:        if (strlen(s) != sc - ct)
                     66:                return -1;
                     67:        return strncasecmp(ct, s, sc - ct);
                     68: }
                     69: 
                     70: int
                     71: www_cmptype(const char *ct, const char *type)
                     72: {
                     73:        char *sl;
                     74: 
                     75:        assert(ct && type);
                     76: 
                     77:        while (isspace(*ct))
                     78:                ct++;
                     79: 
                     80:        if (!(sl = strchr(ct, '/')))
                     81:                return -1;
                     82: 
                     83:        if (strlen(type) != sl - ct)
                     84:                return 1;
                     85:        return strncasecmp(ct, type, sl - ct);
                     86: }
                     87: 
                     88: char *
                     89: www_getpair(char ** __restrict str, const char *delim)
                     90: {
                     91:        char *tr, *s = NULL;
                     92:        int cx;
                     93: 
                     94:        assert(str && *str && delim);
                     95: 
                     96:        cx = strcspn(*str, delim);
                     97:        tr = *str + cx;
                     98: 
                     99:        s = malloc(cx + 1);
                    100:        if (!s) {
                    101:                LOGERR;
                    102:                return NULL;
                    103:        } else {
                    104:                strncpy(s, *str, cx);
                    105:                s[cx] = 0;
                    106:        }
                    107: 
                    108:        *str = tr;
1.2     ! misho     109:        if (**str)
1.1       misho     110:                (*str)++;
                    111: 
                    112:        return s;
                    113: }
                    114: 
                    115: inline char
                    116: www_x2c(const char *str)
                    117: {
                    118:        register char digit;
                    119: 
                    120:        assert(str);
                    121: 
                    122:        digit = (str[0] >= 'A' ? ((str[0] & 0xdf) - 'A') + 10 : (str[0] - '0'));
                    123:        digit *= 16;
                    124:        digit += (str[1] >= 'A' ? ((str[1] & 0xdf) - 'A') + 10 : (str[1] - '0'));
                    125: 
                    126:        return digit;
                    127: }
                    128: 
                    129: inline void
                    130: www_unescape(char * __restrict str)
                    131: {
                    132:        register int i, j;
                    133: 
                    134:        assert(str);
                    135: 
                    136:        for (i = j = 0; str[j]; i++, j++) {
                    137:                str[i] = str[j];
                    138: 
                    139:                if (str[j] == '+')
                    140:                        str[i] = ' ';
                    141:                else if (str[j] == '%') {
                    142:                        str[i] = www_x2c(&str[j + 1]);
                    143:                        j += 2;
                    144:                }
                    145:        }
                    146: 
                    147:        str[i] = 0;
                    148: }