text: /*
   *
   * Copyright (c) 1998-2002
   * John Maddock
   *
   * Use, modification and distribution are subject to the 
   * Boost Software License, Version 1.0. (See accompanying file 
   * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   *
   */
  
   /*
    *   LOCATION:    see http://www.boost.org for most recent version.
    *   FILE         posix_api_compiler_check.c
    *   VERSION      see <boost/version.hpp>
    *   DESCRIPTION: Verify that POSIX API calls compile: note this is a compile
    *                time check only.
    */
  
  #include <stdio.h>
  #include <string.h>
  #include <assert.h>
  #include <boost/regex.h>
  
  const char* expression = "^";
  const char* text = "\n      ";
  regmatch_t matches[1];
  int flags = REG_EXTENDED | REG_BASIC | REG_NOSPEC | REG_ICASE | REG_NOSUB |
              REG_NEWLINE | REG_PEND | REG_NOCOLLATE | REG_ESCAPE_IN_LISTS |
              REG_NEWLINE_ALT | REG_PERL | REG_AWK | REG_GREP | REG_EGREP;
  
  
  int main()
  {
     regex_tA re;
     int result;
     result = regcompA(&re, expression, REG_AWK);
     if(result > REG_NOERROR)
     {
        char buf[256];
        regerrorA(result, &re, buf, sizeof(buf));
        printf(buf);
        return result;
     }
     assert(re.re_nsub == 0);
     matches[0].rm_so = 0;
     matches[0].rm_eo = strlen(text);
     result = regexecA(&re, text, 1, matches, REG_NOTBOL | REG_NOTEOL | REG_STARTEND);
     if(result > REG_NOERROR)
     {
        char buf[256];
        regerrorA(result, &re, buf, sizeof(buf));
        printf(buf);
        regfreeA(&re);
        return result;
     }
     assert(matches[0].rm_so == matches[0].rm_eo == 1);
     regfreeA(&re);
     printf("no errors found\n");
     return 0;
  }
  
  
  
  