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/* This file is part of the Project Athena Zephyr Notification System.
* It is one of the source files comprising zwgc, the Zephyr WindowGram
* client.
*
* Created by: Marc Horowitz <marc@athena.mit.edu>
*
* $Source$
* $Author$
*
* Copyright (c) 1989 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include <sysdep.h>
#if (!defined(lint) && !defined(SABER))
static const char rcsid_regexp_c[] = "$Id$";
#endif
#ifdef SOLARIS
#include <libgen.h>
#endif
#include "regexp.h"
#ifdef HAVE_REGCOMP
#include <regex.h>
int ed_regexp_match_p(test_string, pattern)
string test_string;
string pattern;
{
regex_t RE;
int retval;
char errbuf[512];
retval = regcomp(&RE, pattern, REG_NOSUB);
if (retval != 0) {
regerror(retval, &RE, errbuf, sizeof(errbuf));
fprintf(stderr,"%s in regcomp %s\n",errbuf,pattern);
return(0);
}
retval = regexec(&RE, test_string, 0, NULL, 0);
if (retval != 0 && retval != REG_NOMATCH) {
regerror(retval, &RE, errbuf, sizeof(errbuf));
fprintf(stderr,"%s in regexec %s\n",errbuf,pattern);
regfree(&RE);
return(0);
}
regfree(&RE);
return(retval == 0 ? 1 : 0);
}
#else
char *re_comp();
int re_exec();
int ed_regexp_match_p(test_string, pattern)
string test_string;
string pattern;
{
char *comp_retval;
int exec_retval;
if (comp_retval = re_comp(pattern)) {
fprintf(stderr,"%s in regex %s\n",comp_retval,pattern);
return(0);
}
if ((exec_retval=re_exec(test_string)) == -1) {
fprintf(stderr,"Internal error in re_exec()");
return(0);
}
return(exec_retval);
}
#endif
#if !defined(HAVE_RE_COMP) && !defined(HAVE_REGCOMP)
#ifdef HAVE_LIBGEN_H
#include <libgen.h>
#endif
static char *re;
char *re_comp(s)
char *s;
{
if(!s)
return 0;
if(re)
free(re);
if(!(re = regcmp(s, (char *)0)))
return "Bad argument to re_comp";
return 0;
}
int re_exec(s)
char *s;
{
return regex(re, s) != 0;
}
#endif
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