/[pcre]/code/trunk/dftables.c
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revision 73 by nigel, Sat Feb 24 21:40:30 2007 UTC revision 117 by ph10, Fri Mar 9 15:59:06 2007 UTC
# Line 2  Line 2 
2  *      Perl-Compatible Regular Expressions       *  *      Perl-Compatible Regular Expressions       *
3  *************************************************/  *************************************************/
4    
5  /*  /* PCRE is a library of functions to support regular expressions whose syntax
 PCRE is a library of functions to support regular expressions whose syntax  
6  and semantics are as close as possible to those of the Perl 5 language.  and semantics are as close as possible to those of the Perl 5 language.
7    
8  Written by: Philip Hazel <ph10@cam.ac.uk>                         Written by Philip Hazel
9               Copyright (c) 1997-2007 University of Cambridge
10    
            Copyright (c) 1997-2003 University of Cambridge  
   
 -----------------------------------------------------------------------------  
 Permission is granted to anyone to use this software for any purpose on any  
 computer system, and to redistribute it freely, subject to the following  
 restrictions:  
   
 1. 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.  
   
 2. The origin of this software must not be misrepresented, either by  
    explicit claim or by omission.  
   
 3. Altered versions must be plainly marked as such, and must not be  
    misrepresented as being the original software.  
   
 4. If PCRE is embedded in any software that is released under the GNU  
    General Purpose Licence (GPL), then the terms of that licence shall  
    supersede any condition above with which it is incompatible.  
11  -----------------------------------------------------------------------------  -----------------------------------------------------------------------------
12    Redistribution and use in source and binary forms, with or without
13    modification, are permitted provided that the following conditions are met:
14    
15        * Redistributions of source code must retain the above copyright notice,
16          this list of conditions and the following disclaimer.
17    
18  See the file Tech.Notes for some information on the internals.      * Redistributions in binary form must reproduce the above copyright
19          notice, this list of conditions and the following disclaimer in the
20          documentation and/or other materials provided with the distribution.
21    
22        * Neither the name of the University of Cambridge nor the names of its
23          contributors may be used to endorse or promote products derived from
24          this software without specific prior written permission.
25    
26    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36    POSSIBILITY OF SUCH DAMAGE.
37    -----------------------------------------------------------------------------
38  */  */
39    
40    
41  /* This is a support program to generate the file chartables.c, containing  /* This is a freestanding support program to generate a file containing default
42  character tables of various kinds. They are built according to the default C  character tables for PCRE. The tables are built according to the default C
43  locale and used as the default tables by PCRE. Now that pcre_maketables is  locale. Now that pcre_maketables is a function visible to the outside world, we
44  a function visible to the outside world, we make use of its code from here in  make use of its code from here in order to be consistent. */
 order to be consistent. */  
45    
46  #include <ctype.h>  #include <ctype.h>
47  #include <stdio.h>  #include <stdio.h>
48  #include <string.h>  #include <string.h>
49    
50  #include "internal.h"  #include "pcre_internal.h"
51    
52  #define DFTABLES          /* maketables.c notices this */  #define DFTABLES          /* pcre_maketables.c notices this */
53  #include "maketables.c"  #include "pcre_maketables.c"
54    
55    
56  int main(int argc, char **argv)  int main(int argc, char **argv)
# Line 55  int main(int argc, char **argv) Line 58  int main(int argc, char **argv)
58  int i;  int i;
59  FILE *f;  FILE *f;
60  const unsigned char *tables = pcre_maketables();  const unsigned char *tables = pcre_maketables();
61    const unsigned char *base_of_tables = tables;
62    
63  if (argc != 2)  if (argc != 2)
64    {    {
# Line 62  if (argc != 2) Line 66  if (argc != 2)
66    return 1;    return 1;
67    }    }
68    
69  f = fopen(argv[1], "w");  f = fopen(argv[1], "wb");
70  if (f == NULL)  if (f == NULL)
71    {    {
72    fprintf(stderr, "dftables: failed to open %s for writing\n", argv[1]);    fprintf(stderr, "dftables: failed to open %s for writing\n", argv[1]);
# Line 80  fprintf(f, Line 84  fprintf(f,
84    "program. If you edit it by hand, you might like to edit the Makefile to \n"    "program. If you edit it by hand, you might like to edit the Makefile to \n"
85    "prevent its ever being regenerated.\n\n");    "prevent its ever being regenerated.\n\n");
86  fprintf(f,  fprintf(f,
87    "This file is #included in the compilation of pcre.c to build the default\n"    "This file contains the default tables for characters with codes less than\n"
88    "character tables which are used when no tables are passed to the compile\n"    "128 (ASCII characters). These tables are used when no external tables are\n"
89    "function. */\n\n"    "passed to PCRE.\n\n");
90    "static unsigned char pcre_default_tables[] = {\n\n"  fprintf(f,
91      "The following #include is present because without it gcc 4.x may remove\n"
92      "the array definition from the final binary if PCRE is built into a static\n"
93      "library and dead code stripping is activated. This leads to link errors.\n"
94      "Pulling in the header ensures that the array gets flagged as \"someone\n"
95      "outside this compilation unit might reference this\" and so it will always\n"
96      "be supplied to the linker. */\n\n"
97      "#include \"pcre_internal.h\"\n\n");
98    fprintf(f,
99      "const unsigned char _pcre_default_tables[] = {\n\n"
100    "/* This table is a lower casing table. */\n\n");    "/* This table is a lower casing table. */\n\n");
101    
102  fprintf(f, "  ");  fprintf(f, "  ");
# Line 161  if (isprint(i-1)) fprintf(f, " %c ", i-1 Line 174  if (isprint(i-1)) fprintf(f, " %c ", i-1
174  fprintf(f, " */\n\n/* End of chartables.c */\n");  fprintf(f, " */\n\n/* End of chartables.c */\n");
175    
176  fclose(f);  fclose(f);
177    free((void *)base_of_tables);
178  return 0;  return 0;
179  }  }
180    

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