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/***************************************************************************
*
* $Header: /home/werner/ytree/RCS/match.c,v 1.10 1997/08/13 12:24:58 werner Rel $
*
* Behandlung reg. Ausdruecke fuer Dateinamen
*
***************************************************************************/
#include "ytree.h"
#if defined( linux )
#include <regex.h>
#endif
#if defined( bsd ) || defined( sun ) || defined( linux ) || defined( __NeXT__ ) || defined( OSF1 )
#define HAS_REGEX
#else
#if defined( hpux )
#define HAS_REGCOMP
#else "Error. can't detect plataform."
#endif
#endif
#ifdef HAS_REGEX
#ifdef sun
#define INIT register char *sp = "";
#define GETC() (*sp++)
#define PEEKC() (*sp)
#define UNGETC(c) (--sp)
#define RETURN(c) return;
#define ERROR(c)
#include <regexp.h>
#else
#include <regex.h>
#endif /* sun */
#else
extern char *regcmp();
extern char *regex();
static char *file_spec_cmp = NULL;
#endif /* HAS_REGEX */
#if defined( HAS_REGCOMP )
#include <regex.h>
static regex_t re;
static BOOL re_flag = FALSE;
#endif
int SetMatchSpec(char *new_spec)
{
char *result;
char *buffer;
char *b_ptr;
BOOL meta_flag = FALSE;
if( ( buffer = (char *)malloc( strlen( new_spec ) * 2 + 4 ) ) == NULL )
{
ERROR_MSG( "Malloc failed*ABORT" );
exit( 1 );
}
b_ptr = buffer;
*b_ptr++ = '^';
for(; *new_spec; new_spec++)
{
if( meta_flag )
{
*b_ptr++ = *new_spec;
meta_flag = FALSE;
}
else if( *new_spec == '\\' ) meta_flag = TRUE;
else if( *new_spec == '?' ) *b_ptr++ = '.';
else if( *new_spec == '.' )
{
*b_ptr++ = '\\';
*b_ptr++ = '.';
}
else if( *new_spec == '*' )
{
*b_ptr++ = '.';
*b_ptr++ = '*';
}
else
*b_ptr++ = *new_spec;
}
*b_ptr++ = '$';
*b_ptr = '\0';
#if defined ( HAS_REGEX )
if( ( result = re_comp( buffer ) ) )
{
free( buffer );
return( 1 );
}
#else
#if defined( HAS_REGCOMP )
if(re_flag)
{
regfree(&re);
re_flag = FALSE;
}
if( regcomp(&re, buffer, REG_NOSUB) )
{
free( buffer );
return( 1 );
}
free( buffer );
re_flag = TRUE;
#else
#ifndef WIN32
if( ( result = regcmp( buffer, (char *) 0 ) ) == NULL )
{
free( buffer );
return( 1 );
}
if( file_spec_cmp ) free( file_spec_cmp );
free( buffer );
file_spec_cmp = result;
#else
/* WIN32 */
/* z.Z. nicht unterstuetzt */
free( buffer );
result = 0;
#endif /* WIN32 */
#endif /* HAS_REGCOMP */
#endif /* HAS_REGEX */
return( 0 );
}
BOOL Match(char *file_name)
{
#if defined ( HAS_REGEX )
if( re_exec( file_name ) ) return( TRUE );
else return( FALSE );
#else
#if defined( HAS_REGCOMP )
if(re_flag == FALSE)
return( TRUE );
if( ( regexec(&re, file_name, (size_t) 0, NULL, 0 ) ) == 0 )
{
return( TRUE );
}
else
{
return( FALSE );
}
#else
#ifndef WIN32
char match_part[PATH_LENGTH + 1];
if( !file_spec_cmp )
return( TRUE );
if( regex( file_spec_cmp, file_name, match_part ) == NULL )
return( FALSE );
return( TRUE );
#else
/* WIN32 */
/* z.Z. nicht unterstuetzt */
return( TRUE );
#endif /* WIN32 */
#endif /* HAS_REGCOMP */
#endif /* HAS_REGEX */
}
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