matchstr.c

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/*
 * Copyright (c) 1995-2003, Index Data.
 * See the file LICENSE for details.
 * Sebastian Hammer, Adam Dickmeiss
 *
 * $Id: matchstr.c,v 1.7 2003/02/12 21:34:57 adam Exp $
 */
#if HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include <yaz/yaz-util.h>

/*
 * Match strings, independently of case and occurences of '-'.
 * fairly inefficient - will be replaced with an indexing scheme for
 * the various subsystems if we get a bottleneck here.
 */

int yaz_matchstr(const char *s1, const char *s2)
{
    while (*s1 && *s2)
    {
	char c1 = *s1;
	char c2 = *s2;

        if (c2 == '?')
            return 0;
	if (c1 == '-')
	    c1 = *++s1;
	if (c2 == '-')
	    c2 = *++s2;
	if (!c1 || !c2)
	    break;
        if (c2 != '.')
        {
	    if (isupper(c1))
	        c1 = tolower(c1);
	    if (isupper(c2))
	        c2 = tolower(c2);
	    if (c1 != c2)
	        break;
        }
	s1++;
	s2++;
    }
    return *s1 || *s2;
}

int yaz_strcmp_del(const char *a, const char *b, const char *b_del)
{
    while (*a && *b)
    {
        if (*a != *b)
            return *a - *b;
        a++;
        b++;
    }
    if (b_del && strchr(b_del, *b))
        return *a;
    return *a - *b;
}

#ifdef __GNUC__
#ifdef __CHECKER__
void __assert_fail (const char *assertion, const char *file, 
                    unsigned int line, const char *function)
{
    fprintf (stderr, "%s in file %s line %d func %s\n",
             assertion, file, line, function);
    abort ();
}
#endif
#endif